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HCD-GX450SERVICE MANUALVer. 1.3 2006.10
US Model Canadian Model
HCD-GX450 is the tuner, deck, CD and amplifier section in MHC-GX450.
Former Type Models CD Section Tape deck Section Model Name Using Similar Mechanism CD Mechanism Type Optical Pick-up Name Model Name Using Similar Mechanism Tape Transport Mechanism Type New CDM74-F1BD81 KSM-215DCP/C2NP New CWM43FF-05
New Type Models New CDM74KF-K6BD81C KSM-213DCP/C2NP New CWM43FF-05
SPECIFICATIONSAmplifier section AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION:Laser Semiconductor laser (=780 nm) Emission duration: continuous 2 Hz 20 kHz (0.5 dB) 780 790 nm More than 90 dB More than 90 dB AM tuner section Tuning range 530 1,710 kHz (with the tuning interval set at 10 kHz) 531 1,710 kHz (with the tuning interval set at 9 kHz) AM loop antenna External antenna terminal 450 kHz
With 6 ohm loads, both channels driven, from 120 10,000 Hz: rated 125 watts per channel minimum RMS power, with no more than 10% total harmonic distortion from 250 milliwatts to rated output.Front speaker Continuous RMS power output (reference): 125 + 125 watts (6 ohms at 1 kHz, 10% THD) Total harmonic distortion less than 0.07% (6 ohms at 1 kHz, 60 W) Sub woofer Continuous RMS power output (reference): 150 watts (6 ohms at 50 Hz, 10% THD) Total harmonic distortion less than 0.07% (6 ohms at 50 Hz, 75 W)
Frequency response Wavelength Signal-to-noise ratio Dynamic range
Tape deck sectionRecording system Frequency response 4-track 2-channel, stereo 50 13,000 Hz (3 dB), using Sony TYPE I cassettes
Antenna Antenna terminals Intermediate frequency
GeneralPower requirements 120 V AC, 60 Hz Power consumption USA models: 265 watts Canadian models: 330 VA Dimensions (w/h/d) incl. projecting parts and controls Amplifier/Tuner/Tape/CD section: Approx. 280 327 425 mm Mass Approx. 10.0 kg Design and specifications are subject to change without notice.
Tuner sectionFM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range Antenna Antenna terminals Intermediate frequency 87.5 108.0 MHz (100-kHz step) FM lead antenna 75 ohms unbalanced 10.7 MHz
CD player sectionSystem Compact disc and digital audio system
MINI HI-FI COMPONENT SYSTEM9-877-534-042006J16-1 2006.10
Sony CorporationHome Audio Division Published by Sony Techno Create Corporation
HCD-GX450
SAFETY CHECK-OUTAfter correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, metallized knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.
The release method of a CD disc tray LOCK functionThere is a disc lock function for the disc theft prevention for a demonstration at a shop front in this machine. Procedue: 1. Press the ?/1 button to turn the set on. 2. Press two buttons of x and Z (EJECT) simultaneously for five seconds. 3. The message LOCKED is displayed and the tray is locked. (Even if exiting from this mode, the tray is still locked.) 4. Press two buttons of x and Z (EJECT) simultaneously for five seconds again. 5. The message UNLOCKED is displayed and the tray is unlocked. 6. To exit from this mode, press the ?/1 button to turn the set off.Unleaded solder Boards requiring use of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.)
LEAKAGEThe AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The limit indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC range are suitable. (See Fig. A)To Exposed Metal Parts on Set
2.
3.
0.15 F
1.5 k
AC Voltmeter (0.75 V)
: LEAD FREE MARK Unleaded solder has the following characteristics. Unleaded solder melts at a temperature about 40C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful! Strong viscosity Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.
Earth Ground Fig. A. Using an AC voltmeter to check AC leakage.
SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT! LES COMPOSANTS IDENTIFS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONT CRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PISES SONY DONT LES NUMROS SONT DONNS DANS CE MANUEL OU DANS LES SUPPMENTS PUBLIS PAR SONY.
2
HCD-GX450
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. Laser component in this product is capable of emitting radiation exceeding the limit for Class 1.
TABLE OF CONTENTS 1. SERVICING NOTE 4 2. GENERAL 6 3. DISASSEMBLY3-1. Cover (Top) 9 3-2. CD Door 9 3-3. Front Panel Section 10 3-4. CD Mechanism Deck (CDM74-F1BD81) 10 3-5. Tape Mechanism Deck, Game Jack Board 11 3-6. PANEL Board 11 3-7. Back Panel Section, SUB-TRANS Board 12 3-8. Power Transformer 12 3-9. MAIN Board 13 3-10. SUB-WOOFER Board 13 3-11. AMP Board 14 3-12. BD81A Board 14 3-13. CONNECT Board 15 3-14. DRIVER Board, SW Board 15 3-15. Optical Pick-up (KSM-215DCP/C2NP) 16 3-16. SENSOR Board 16 3-17. MOTOR (TB) Board 17 3-18. MOTOR (LD) Board 17
4. TEST MODE 18 5. DIAGRAMSThis appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C during repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. 5-1. Block Diagrams PANEL Section 22 MAIN Section 23 BD/DRIVER Section 24 SUB-WOOFER Section 25 5-2. Printed Wiring Board BD81A Section 26 5-3. Schematic Diagram BD81A Section 27 5-4. Printed Wiring Board CD MECHANISM Section 28 5-5. Schematic Diagram CD MECHANISM Section 29 5-6. Printed Wiring Board MAIN Section 30 5-7. Schematic Diagram MAIN Section (1/2) 31 5-8. Schematic Diagram MAIN Section (2/2) 32 5-9. Printed Wiring Board PANEL COMB Section 33 5-10. Schematic Diagram PANEL COMB Section 34 5-11. Printed Wiring Board SUB-WOOFER Section 35 5-12. Schematic Diagram SUB-WOOFER Section 36 5-13. Printed Wiring Board PANEL Section 37 5-14. Schematic Diagram PANEL Section (1/2) 38 5-15. Schematic Diagram PANEL Section (2/2) 39 5-16. Printed Wiring Board TRANS Section 40 5-17. Printed Wiring Board AMP Section 41 5-18. Schematic Diagram AMP POWER Section 42 5-19. IC Pin Function Description 46
6. EXPLODED VIEWS6-1. MAIN Section 51 6-2. Front Panel Section 52 6-3. MAIN Board Section 53 6-4. CD Mechanism Deck Section -1 (CDM74-F1BD81) 54 6-5. CD Mechanism Deck Section -2 (CDM74-F1BD81) 55
7. ELECTRICAL PARTS LIST 56
3
HCD-GX450 SECTION 1 SERVICING NOTE SERVICE POSITION -1 (AMP BOARD)To inspect the AMP board, turn both of the front panel and the CD mechanism deck so that the left side of the product faces down.
CD mechanism deck front panel
AMP board
4
HCD-GX450
SERVICE POSITION -2 (BD81A BOARD)Remove the CD mechanism deck and place it on top of the pedestal as shown. Inspect the BD81A bard in this set up.
BD81A board CD mechanism deck
5
HCD-GX450 SECTION 2 GENERAL
List of button locations and reference pagesHow to use this pageUse this page to find the location of buttons and other parts of the system that are mentioned in the text.Illustration number r
TAPE A/B ed (18, 19, 20, 24)R Name of button/part R Reference page
Main unitALPHABETICAL ORDER AO PZ BUTTON DESCRIPTIONS
ALBUM + qh (12, 14, 19) ALBUM wg (12, 14, 19) CD eg (9, 11, 14, 19, 20) CD SYNC wj (19) Deck A wk (18) Deck B qj (18, 19, 20, 24) DISC 1 3 q; (12, 14, 35) DISC SKIP/EX-CHANGE qs (11, 12, 14, 19) Disc tray 9 (11) DISPLAY 2 (17, 27, 28) Display window 5 EFFECT ON/OFF 8 (22) ENTER qa (14, 15, 22) EQ BAND 7 (22) GAME es (20, 23, 30) GAME INPUT AUDIO L/R jacks wd (20, 29) GAME INPUT VIDEO jack wf (29) GAME MIXING wh (23) GROOVE 8 (21) ILLUMINATION 3 (28) Operation Dial ( EQ +/l L) 6 (12, 14, 19, 22)
P FILE qd (22) PHONES jack ql PLAY MODE wl (12, 14, 18, 19, 20, 35) Power illuminator qk (28) PRESET EQ qd (22) REC PAUSE/START wj (19, 20, 23, 24) Remote sensor 4 SURROUND 8 (23) TAPE A/B ed (18, 19, 20, 24) TUNER/BAND ef (15, 16, 20) TUNING MODE wl (15, 16, 35) TUNING + qh (15, 16) TUNING wg (15, 16) VOLUME control w; (21)
?/1 (power) 1 (8, 16, 27, 30, 33, 35) X (pause) wg (12, 19) Z (eject) qf (11) PUSH Z (deck B) (eject) qg (18) x (stop) wg (12, 19, 24, 35) M (fast forward) qh (12, 19) H (play) qh (12, 18, 19) m (rewind) wg (12, 19) Z PUSH (deck A) (eject) e; (18)
1 2345 6 78 9
q; eg ef ed es e; wl wk wj qajALBUM
JALBUM
S
Hh s
TUNING
TUNING
qs qd qf qg qh qj qk ql
wh wg wf wd
w;
6
HCD-GX450
Remote controlALPHABETICAL ORDER AE BUTTON DESCRIPTIONS
Setting the clockUse buttons on the remote for the operation.?/1 (power) 1 (8, 26) m/M (rewind/fast forward) 7 (12, 19) /+ (tuning) qh (15) ./> (go back/go forward) qh (10, 12, 19) N (play) 8 (12, 18) X (pause) 8 (12, 19) x (stop) 8 (12, 19)
ALBUM qd (12, 14) ALBUM + qa (12, 14) CD qk (11, 14) CLEAR qg (14) CLOCK/TIMER SELECT 2 (26, 27) CLOCK/TIMER SET 3 (10, 25, 26) DISC SKIP q; (12, 14) DISPLAY wa (17, 27, 28) ENTER 9 (10, 14, 15, 25, 26) EQ qf (22)FZ
1 2 3 4 5 6
Press ?/1 to turn on the system. Press CLOCK/TIMER SET. Press . or > repeatedly to set the hour. Press ENTER. Press . or > repeatedly to set the minute. Press ENTER.
The clock starts working.
To adjust the clock
FM MODE 4 (17) FUNCTION 6 (11, 14, 15, 16) PLAY MODE w; (12, 14, 18) REPEAT 4 (13) SLEEP ws (25) TAPE qj TUNER BAND 5 (15, 16) TUNER MEMORY ql (15) TUNING MODE w; (15, 16) VOLUME +/ qs (21, 25)
1 2 3
Press CLOCK/TIMER SET. Press . or > repeatedly to select CLOCK SET, then press ENTER. Do the same procedures as step 3 to 6 above.The clock settings are canceled when you disconnect the power cord or if a power failure occurs.
Notes
ws wa w; ql qk qj qh
1 2 3 4 5 6 7 8
qg qf qd
9 q; qa qs
7
HCD-GX450 SECTION 3 DISASSEMBLYNote: Disassemble the unit in the order as shown below.
SET
3-1.COVER (TOP) (Page 9)
3-2.CD DOOR (Page 9)
3-3.FRONT PANEL SECTION (Page 10)
3-4.CD MECHANISM DECK (CDM74-F1BD81) (Page 10)
3-5.TAPE MECHANISM DECK, GAME JACK BOARD (Page 11)
3-6.PANEL BOARD (Page 11)
3-12.BD81A BOARD (Page 14)
3-13.CONNECT BOARD (Page 15)
3-15.OPTICAL PICK-UP (KSM-215DCP/C2NP) (Page 16)
3-16.SENSOR BOARD (Page 16)
3-7.BACK PANEL SECTION, SUB-TRANS BOARD (Page 12)
3-14.DRIVER BOARD, SW BOARD (Page 15)
3-17.MOTOR (TB) BOARD (Page 17)
3-18.MOTOR (LD) BOARD (Page 17) 3-8.POWER TRANSFORMER (Page 12) 3-9.MAIN BOARD (Page 13) 3-10.SUB-WOOFER BOARD (Page 13)
3-11.AMP BOARD (Page 14)
8
HCD-GX450
Note: Follow the disassembly procedure in the numerical order given.
3-1. COVER (TOP)qs qf cover (top) qa two screws (+BVTP 3 10)
6 two screws (Case 3 TP2)
cover (Side-L)qs 8 screw (+BVTP 3 10) q; qd
cover (Side-R)5 9 screw (+BVTP 3 10) 7 screw (case 3 TP2)
3 screw (+BVTP 3 10) 1 two screws (case 3 TP2) 4 screw (+BVTP 3 10)
2 screw (Case 3 TP2)
3-2. CD DOOR3 two claws
CD mechanism deck (CDM74)1 Turn the pulley to the direction of arrow.
4 CD door
Front panel side pulley
2 Pull-out the disc tray.
9
HCD-GX450
3-3. FRONT PANEL SECTION
4 screw (+BVTP 3 8) 0 connector 3p (CN304C) 8 wire (flat type) 17 core (CN253) 6 connector 2p (CN805) 3 screw (+BVTP 3 10)
5 screw (+BVTP 3 8)
qa connector 3p (CN102B) 2 screw (+BVTP 3 10) qs connector 8p (CN103) 9 connector 5p (CN309) 7 wire (flat type) 29 core (CN302) qd front panel section
1 three screws (+BVTP 3 8)
3-4. CD MECHANISM DECK (CDM74-F1BD81)
1 three screws (+BVTP 3 10)
4 CD mechanism deck (CDM74-F1BD81)
2 connector 12p (CN701) 3 connector 9p (CN254)
10
HCD-GX450
3-5. TAPE MECHANISM DECK, GAME JACK BOARD
3 tape mechanism deck 2 six screws (+BVTP 2.6 8)
1 wire (flat type) 13 core (CN602)
5 GAME JACK board
4 two screws (+BVTP 2.6 8)
3-6. PANEL BOARD
2 seven claws
3 connector 6p (CN604)
4 connector 5p (CN605) 1 ten screws (+BVTP 2.6 8) 5 PANEL board
11
HCD-GX450
3-7. BACK PANEL SECTION, SUB-TRANS BOARD
9 back panel section 8 SUB-TRANS board 6 two screws (+BVTT 3 10) 7 connector 2p (CN901) 5 three screws (+BVTT 3 10)
1 connector 2p (CN904)
3 connector 3p (CN308)
4 two screws (+BVTP 3 10)
2 wire (flat type) 11 core (CN101)
3-8. POWER TRANSFORMER5 four screws (+ITC 4 8)
6 power transformer
1 connector 3p (CN905) 2 connector 10p (CN907) 4 earth wire
3 screw (+BVIT 3 8R)
12
HCD-GX450
3-9. MAIN BOARD
2 connector 4p (CN501) 1 connector 10p (CN907)
5 MAIN board
Main board
4 connector 13p (CN441)
3 two screws (+BVTP 3 8)
3-10. SUB-WOOFER BOARD
1 connector 7p (CN502) 3 two screws (+BVTP 3 8) 2 two screws (transistor) 4 SUB-WOOFER board
13
HCD-GX450
3-11. AMP BOARD
3 two screws (+BVIT 3 8R)
2 screw (+BVTP 3 14)
1 two screws (+BVTP 3 8)
4 two screws (transistor)
5 heat sink
6 AMP board
3-12. BD81A BOARD3 screw (+BVTP 2.6 8)
1 wire (flat type) 27 core (CN202)
5 BD81A board 2 wire (flat type) 16 core (CN101)
4 Remove soldering from the four points.
14
HCD-GX450
3-13. CONNECT BOARD
1 wire (flat type) 27 core (CN251) 2 two screws (+BVTP 2.6 8)
3 CONNECT board
3-14. DRIVER BOARD, SW BOARD
1 two screws (+BTTP (M2.6)) 3 connector 4p (CN703)
4 DRIVER board
5 screw (+BTTP (M2.6))
6 SW board
2 wire (flat type) 5p (CN702)
15
HCD-GX450
3-15. OPTICAL PICK-UP (KSM-215DCP/C2NP)
1 floating screw (+PTPWH M2.6) 6 two insulators
2 holder (213) ASSY qh optical pick-up (KSM-215DCP/C2NP) 0 two insulators 9 two coil springs (insulator) 8 two stoppers (BU) 7 two screws (BVTT M2.6)
qa
5 two coil springs (insulator) 3 screw (BVTT M2.6) 4 floating screw (+PTPWH M2.6) qf CN101 (flat type) qg BD81A board
qd Remove the four solderings of motor.
qs screw (+BVTP 2.6x 8)
3-16. SENSOR BOARD1 floating screw (+PTPWH M2.6) 2 tray 8 screw (+BTTP (M2.6)) 3 belt (table) 0 SENSOR board 4 floating screw (+PTPWH M2.6) 5 pulley (table)
6 floating screw (+PTPWH M2.6) 7 gear (geneva)
9 connector (CN731)
16
HCD-GX450
3-17. MOTOR (TB) BOARD
2 stopper
4
1 stopper 5 table motor assy (M741)
3 wire (flat type) 5 core (CN742) 7 MOTOR (TB) board 6 Remove the two solderings of motor. 5 two screws (+BTTP (M2.6))
3-18. MOTOR (LD) BOARD
2 two screws (+BTTP (M2.6)) 4 Remove the two solderings of motor. 3 MOTOR (LD) board
5 loading motor assy (M751)
1 belt (loading)
17
HCD-GX450 SECTION 4 TEST MODE[Change-over of AM Tuner Step between 9 kHz and 10 kHz] A step of AM channels can be changed over between 9 kHz and 10 kHz. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function TUNER, and press TUNER/BAND button to select the BAND AM. 3. Press ?/1 button to turn the set OFF. 4. Press PLAY MODE/TUNING MODE and ?/1 buttons simultaneously, and the display of fluorescent indicator tube changes to AM 9 k STEP or AM 10 k STEP, and thus the channel step is changed over. [Cold Reset] The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons x , PLAY MODE/TUNING MODE , and DISC 1 simultaneously. 2. The fluorescent indicator tube displays COLD RESET and the set is reset. [Aging Mode] This mode can be used for operation check of CD section and tape deck section. If an error occurred: The aging operation stops and is displayed status. If no error occurs: The aging operation continues repeatedly. 1. Operating method of Aging Mode Press ?/1 button to turn the set ON and select CD of the function. 1) Set three discs in tray. Press the PLAY MODE/TUNING MODE button to set the ALL DISCS mode, and the PRESET EQ button to REPEAT off. 2) Load the tapes recording use into both decks. 3) Press three buttons x , PLAY MODE/TUNING MODE , and EX-CHANGE simultaneously. 4) Aging operations of CD and tape are started at the same time. 5) To exit the aging mode, perform [Cold Reset]. 2. Aging mode in CD section 1) Operation during aging mode In the agining mode ,the program is excuted in the following sequence. (1) The disc tray opens and closes. (2) The disc tray turns to select a disc 3. (3) The pick-up accesses to the first track, and plays 3 seconds. (4) The pick-up accesses to the last track, and plays 3 seconds. (5) The disc tray opens and closes. (6) The disc tray turns to select a disc 1. (7) The same operation starts like step (3). (8) After a disc 1 aging operation, a disc 2 is selected. (9) When an aging operation of a disc 3 is completed, the display AGING value increases. (10) If no error occurs, the aging operation continues repeatedly. 2) Error displayDisc error Display E00D01022 E00D02022 E00D02023 E00D02014 Error Focus error (No disc) Sub Q error (Focus is good) TOC reading error Access error (Unable within regular time) Mechanism error Display E00M__E_0 E00M__C_2 E00M__D_0 E00M__F_3 E00M__D_5 E00M__C_2 E00M__C_3 Error Error during opening tray EX-CHANGE disc error Error during closing tray EX-OPEN error EX-CLOSE error Chuck-up error Unchucking error
3. Aging mode in Tape Deck section 1) Operation during aging mode In the agining mode, the program is excuted in the following sequence.Step 1 2 3 4 5 6 7 8 9 10 11 12 Operation Rewind the TAPE A Rewind the TAPE B Play the TAPE A (1 minute) Stop the TAPE A (1 second) Play the TAPE A (3 minutes) Rewind(AMS) the TAPE A F.F.(AMS) the TAPE A Play the TAPE B (1 minute) Stop the TAPE B (1 second) Record the TAPE B (3 minutes) Rewind(AMS) the TAPE B F.F.(AMS) the TAPE B TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE Display AAG-1 BAG-2 AAG-2 AAG-3 AAG-4 AAG-5 AAG-6 BAG-2 BAG-3 BAG-4 BAG-5 BAG-6
2) Error display If error occurred, the display remains like TAPE BAG-2. 4. Exiting from the aging mode Be sure to perform Cold Reset to exit from the aging mode.
18
HCD-GX450
[PANEL Test Mode] All fluorecent segments and LEDs are tested. Keyboard check. Procedure: 1. Press ?/1 button to turn the set ON. 2. To enter the test mode, press the three buttons x , PLAY MODE/TUNING MODE and ENTER simultaneously. 3. All segments and LEDs (without STANDBY LED) are turned on. 4. Press X and ENTER buttons simultaneously, and the key check mode is activated. 5. The message KEY 0 0 0 is displayed. Each time a button is pressed, the key code number is displayed. 6. Press X and ENTER buttons simultaneously, and the key count mode is activated. 7. The message KEYCNT 0 is displayed. Each time a button is pressed, KEYCNT 0 value increased. However, once a button is pressed, it is no longer taken into account. 8. Press X and ENTER buttons simultaneously, and the head phone detect mode is activated. 9. The message H_P OFF is displayed when a headphone jack is not inserted. H_P ON is displayed when a headphone jack is inserted. 10. Press X and ENTER buttons simultaneously, and the volume control detect mode is activated. 11. The message VOLUME FLAT is displayed. VOLUME UP is displayed if rotating MASTER VOLUME knob clockwise, or VOLUME DOWN is displayed if rotating counterclockwise. 12. To exit from the GC test mode after the head phone detect mode, press X and ENTER buttons simultaneously. [Version and Destination Display Mode] The version or destination is displayed. Procedure: 1. Press ?/1 button to turn the set ON. 2. To enter the test mode, press the three buttons x , PLAY MODE/TUNING MODE and DISC 2 simultaneously. 3. The destination is displayed. 4. Press DISPLAY buttons simultaneously. 5. The version is displayed. 6. To exit from this mode, press the three buttons x , PLAY MODE/TUNING MODE and DISC 2 simultaneously and press ?/1 button to turn the set OFF. [CD Service Mode] This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pick-up. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function CD. 3. To enter the test mode, press three buttons x , PLAY MODE/ TUNING MODE , and Z simultaneously. 4. The CD service mode is selected. 5. With the CD in stop status, press M button to move the pick-up to outside track, or press m button to inside track. 6. To exit from this mode, perform as follows: 1) Move the pick-up to the most inside track. 2) Press ?/1 button to turn the set OFF.Note: Always move the pick-up to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. Do not run the sled motor excessively, otherwise the gear can be chipped.
[MC Test Mode] This mode is used to test the function of the equalizer. Procedure: 1. Press ?/1 button to turn the set ON. 2. To enter the test mode, press the three buttons x , PLAY MODE/TUNING MODE and DISC 3 simultaneously. 3. Press the EQ + button. The function of the equalizer is set to MAX. 4. Press the EQ - button. The function of the equalizer is set to MIN. 5. Press the PRESET EQ button. The function of the equalizer is set to EQ FLAT. 6. MASTER VOLUME up and down. VOLUME MIN VOLUME 16 VOLUME MAX is displayed. 7. Press the GROOVE button. The message VACS OFF or VACS ON is displayed. 8. To exit from this mode, press ?/1 button to turn the set OFF. [CD Ship Mode (LOCK) ] This mode moves the pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function CD. 3. Press ?/1 button to turn the set OFF. 4. Press CD button and ?/1 button simultaneously. 5. The STANDBY display blinks instantaneously, the message LOCK is displayed and the CD ship mode is set. [CD Ship (LOCK) & COLD RESET MODE] Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function CD. 3. Press ?/1 button to turn the set OFF. 4. Press three buttons x , CD and DISPLAY simultaneously. 5. The STANDBY display blinks instantaneously and CD ship mode is set. 6. To fluorescent indicator tube displays COLD RESET and the set is reset. [Disc Tray Lock] Procedure: 1. Press the ?/1 button to turn the set ON. 2. Select the function CD. 3. Press two buttons of x and Z simultaneously for five seconds. 4. The message LOCKED is displayed and the tray is locked. (Even if exiting from this mode, the tray is still locked.) 5. Press two buttons of x and Z simultaneously for five seconds again. 6. The message UNLOCKED is displayed and the tray is unlocked. 7. To exit from this mode, press the ?/1 button to turn the set OFF.
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HCD-GX450
[CD Repeat 5 Times Limit Release Mode] Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function CD. 3. Press three buttons x , CD and ENTER simultaneously. 4. The message LIMIT OFF is displayed. 5. Press ?/1 button the set OFF. [AMP TEST MODE] Procedure: 1. Press ?/1 button to turn the set ON. 2. To enter the test mode, press three buttons x , PLAY MODE/TUNING MODE and ENTER simultaneously. 3. Press the DISPLAY button. The message V0 0 0 000 is displayed. 4. Press the GROOVE button. The message DBFB ON DBFB OFF is displayed. 5. Press the SURROUND button. The message SURROUND ON SURROUND OFF is displayed. 6. Press the EQ BAND button. The message LOW MID HIGH is displayed. 7. Press ?/1 button to turn the set OFF.
20
SECTION 5 DIAGRAMSCircuit Boards LocationTHIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. f : internal component. C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Note: Les composants identifis par une marque 0 sont critiques pour la scurit. Ne les remplacer que par une pice portant le numro spcifi. Note on Printed Wiring Boards: X : parts extracted from the component side. b : Pattern from the side which enables seeing. Caution: Pattern face side: (SIDE A) Parts face side: (SIDE B)
HCD-GX450
SENSOR board SW board MOTOR (LD) board
BD81A board MOTOR (TB) board
Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.
DRIVER board
Indication of transistor. C These are omitted. Q B E
CONNECT board
SUB-WOOFER board TRANS board AMP board
A : B+ Line. B : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. no mark : FM ( ) : CD STOP Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. Circled numbers refer to waveforms. Signal path. F : TUNER E : PB (DECK A) d : PB (DECK B) G : REC (DECK B) J : CD f : AUDIO
Q B C E These are omitted. Abbreviation CND : Canadian model
SUB-TRANS board
VIDEO OUT board
Waveforms PANEL BOARD
REM board
1 IC601 qd (I-XT2)
PANEL board MAIN board5.2 Vp-p
30.5 s
2 V/DIV, 10 s/DIV
6 STREAM LED board
2 IC601 qh (CF2)
100 ns
4.9 Vp-p 2 V/DIV, 40 ns/DIV
GAME JACK board H/P JACK board
21
21
HCD-GX4505-1. BLOCK DIAGRAMS PANEL SECTION
IC601(1/2) SYSTEM CONTROLLER S641-S650 FUNCTION KEY S601-S612 FUNCTION KEY S621-S630 FUNCTION KEY S851 MASTER VOLUME ENCODER 9 VOLUME-IN1 10 VOLUME-IN2 26 KEY2 STREM-LED2 81 27 KEY1 STREM-LED3 80 Q612 LED DRIVER Q611 LED DRIVER Q614 LED DRIVER Q615 LED DRIVER Q613 LED DRIVER LED612 25 KEY3 STREM-LED1 82 Q610 LED DRIVER LED610
LED611 PT901 POWER TRANSFORMER
STREM-LED6 77
LED615 +3.5V LED614 2
IC302 REG 4 Q301,Q302 1 +B -B
D401
F904 F905
IC610 REMOTE CONTROL 3 RECIEVER 28 SIRDS-IN
STREM-LED5 78
STREM-LED6 79
LED613
SWITCH
POWER LED 76 LED601 +3.5V CN603 SCOR XTCN XRST XL-T-CD CD-DATA SENS CD-CLK MP3-DO MP3-DI MP3-CLK MP3-CS MP3-CP MP3-ACK MP3-REQ MP3-RESET MP3-STB C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C18 C18 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1 Q902 80 MP3-TTB 6 MP3-RESET 4 MP3--REQ 3 MP3-ACK 2 MP3-CS 1 MP3-CS' 100 MP3-CLK 99 MP3-DI 98 MP3-DO 97 CD-CLK 96 SENS 95 CD-DATA 94 XLT 93 XRES 92 XTCN 5 SCOR -VFL 42 G01-G13 30 IC303 +9V 3 REG 1 REG D305-D308 D902 AC3 3 IC301 REG 1 D301-D304
F906
F907
BD/DRIVER SECTION
A
FL601 43 45 47 S1-S21 50 52 65 FLUORESCENT INDICATOR TUBE VF -VFL +9V 3
IC304 REG 1
D309-D312
AC4 VF
RY901 AC IN
Q361,Q362,Q314,Q315 RELAY DRIVE D902-905 IC603 +3.3V 5 REG 1
12 I-XT1 X601 32.768kHz POWER RELAY 74 13 I-XT2 RESET 11 15 CF1 X602 10MHz ACCUT 29 16 CF2 Q605 RESET SWITCH IC604 3 RESET 1
PT902 SUB TRANSFORMER
22
22
HCD-GX450 MAIN SECTION
CN443
GND OVERLOAD/DC+10V IC101 SOUND PROCESSOR BD/DRIVER SECTION IC441 POWER AMP RY441 11 R-CH MUTE Q101-Q104 CD-MUTE STK 13 MUTE Q489 4 5 R-CH Q481,Q482 OVERLOAD DET Q441,Q442 OVERLOAD DET +B TUNER TUNER-L TUNER-R DO DI CLK CE TUNED STEREO TU-MUTE RCLK R-CH DO DI CLK CE TUNED STEREO DATA 19 SI 18 SO 59 GAME-L 9 TAPEA1 J804 VIDEO GAME INPUT L R R-CH IC601(2/2) SYSTEM CONTORLLER Q308,Q309 Q313 SWITCH DECK-A HP2 L R-CH 11 Q5 DECK-B HRP2 L Q324 HRP1 R R-CH L101 HE1 Q321 BIAS OSC Q322,Q323 9 REC SW 7 P/B SW CONT 4 SWITCH CD-MUTE FAN LM-R LM-F TM-R TM-F 6 Q0 10 Q4 17 Q11 13 14 15 16 Q7 Q8 Q9 Q10 DATA 3 CLOCK 4 LCH 5 +9V RCLK DATA 88 CLK 91 DATA SENSOR 73 CD-OPEN/CLOSE 21 CD ENCORDER 20 12 Q6 IC371 SP DRIVER STK 24 I-STREEMA/VACS 75 SYSTEM-MUTE 69 ASM WFR/HP/MIC 19 PROTECT 18 Q310-Q312 FAN 11 TAPEB1 15 REC-OUT1 ASMOUT 40 SW OUT 25 5 1 61 TUNER_L IC104 BUFFER Q485-Q488 RELAY DRIVE Q108 SWITCH -VFL Q105 SWITCH BBNF2 31 BBNF2 30 SAOUT2 55 SAOUT1 56 Q327 BUFFER Q107 BUFFER Q351,Q352 SWITCH Q303 DEF J801 PHONES +Vcc TH441 AC4 Q483,Q484 OVERHEAT DET Q308, Q309,Q313 SWITCH L SPEAKER R-CH R
RELAY+ RELAY-
E
SUB-WOOFER SECTION
IC102 BUFFER
JK441
B
CD-L CD-R
1 CDL R-CH Q304-Q307 SWITCH
VOUT2 32 VOUT1 33
BBNF1 34 BBIN1 35
Q106 BUFFER
J803 VIDEO OUT VIDEO
Q371 INVERTER
CN306SW ON/OFF SW OUT SW LIMITER
FAN
FAN DRIVE
C
SUB-WOOFER SECTION
HP1 R
CN201CD NO SENS CD OPEN/CLOSE CD ENCORDER
D
BD/DRIVER SECTION
7 Q1
TUNED STEREO
LM-R67 TUNED 68 STEREO
LM-F TM-R TM-F
IC201 SELECTOR
TAPE MECHANISM DECK PWDEWC B MODE B MODE A B HALF A HALF A-PHOTO B-PHOTO COMP
DI CE DO CLK LCH
83 84 85 86 87
DI CE DO CLK LCH DO CLK LCH SOL-A SOL-B 3 18 4 5
IC602 VIDEO BUFFER DATA SO CLK LCK R-CH is omitted due to same as L-CH Signal Path : TUNER : CD : PB(DECK A)
23 22 70 71 Q601 CAP M DRIVE Q602 B TRIG DRIVE Q603 A TRIG DRIVE MOTOR
TAPE B START+ TAPE A START+ I-REEL-A I-REEL-B
6 SOL-A 7 SOL-B 8 MOTOR
2 MOTOR MOTOR
SOLB
SOLB
3 SOLB : PB(DECK B) : REC(DECK B) 4 SOLA : AUDIO
SOLA
SOLA
23
23
HCD-GX450 BD/DRIVER SECTION
OPTICAL PICK-UP BLOCK (KSM-215DCP/C2NP)DETECTOR VCC VC A B C D E F Q10 LD LD DRIVER 36 LD STANBY 3 PO11/BUCK/AD1 36 MIACK 8 MICK 7 MIDIO 6 78 XTAI XTACN 95 37 PD +3.3V IC251 SL/SP MOTOR DRIVER F+ FOCUS COIL F T+ TRACKING COIL T 16 CH2OUT-F CH1FIN 5 15 CH2OUT-R CH1RIN 6 17 CH1OUT-R CH2FIN 7 18 CH1OUT-F CH2RIN 8 19 CH4OUT-F M101 M (SPINDLE) SFDR 9 20 CH4OUT-R SRDR 10 21 CH3OUT-R M102 (SLED) 29 CH3RIN 6 MPD 100 XRST AOUT1 81 R-CH is omitted due to same as L-CH Signal Path DOUT 71 : CD 30 CH3FIN 14 FRDR FOK 13 FFDR 1 2 3 12 TRDR 11 TFDR 7 SSTP SW101 XRST 100 DATA 102 XLAT 104 CLOCK 105 SENS 107 SCOR 115 GFS 113 C2PO 114 XTACN XRST DATA XLAT CLOCK SENS SCOR MILP 5 MICS 4 RESET 2 SRMSTB 41 +1.7V +3.3V 26 A 27 B 28 C 29 D 19 E 20 F IC101 RF AMP IC301 DIGITAL SIGNAL PROCESSOR IC303 PCMD1 61 LRCK1 62 LRCK 63 PCMD 65 BCK 66 BCK1 60 11 SDO0 16 LRCKIA 19 SFSY/LRCK1B 14 SDIO 15 BCKIA 18 SBSY/BCK1B VDD 55 VDD 21 VDDM 40 5 REG 1 3.3V
CN201MP3STB MP3REQ MIACK MICK MIDIO MILP MICS MP3RST SRMSTB SCOR SENS CLOCK XLT DATA XRST XTACN SCOR SENS CLOCK XLT DATA XRST XTACN LOUT ROUT DOUT E-3 E-2 E-1 LMR LMF TM-R TM-F TBL ADDRESS SW E-1 E-2 E-3 OPEN SW
CN701
IC701 (LD)MOTOR DRIVER 9 RIN 11 FIN OUT1 4 OUT2 2
M
M751(LOADING)
GND X171 16.9MHz
77 XTAO
MAIN SECTION
D
M
M741(TBL)
PD VR
A
PANEL SECTION
IC712 TBL MOTOR DRIVER 9 RIN 7 FIN OUT1 4 OUT2 2 +3V Q731 RE701 SWITCH IC731 (TABLE SENSOR)
S751 (LEVER SW)
B
MAIN SECTION
ROTARY ENCODER
M22 CH3OUT-F
OPIN+ 3 MUTE 24
AOUT2 86
24
24
HCD-GX450 SUB-WOOFER SECTION
IC501 AMP+B PT-2 2 SW IN 3 -RE 12 +RE 13
Q502SWITCH
8
CN503 CONTROL
CN501SW-SIG-IN MAIN SECTION
C
GND SW-LIMIT SW-SENCE
Q507DETECT
Q501OVERCOAR DETECT
Q503DETECT
RY501 CN502GND MAIN SECTION
JK501 SUB WOOFER OUT
E
OVERLOAD/DC RELAY+ RELAYQ506,Q505 DETECT +B
25
25
HCD-GX4505-2. PRINTED WIRING BOARD BD81A SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
M101
SPINDLE MOTORC302
3
1 5
4C305 C303C255 C252
S101
(LIMIT)R404
R313 C315 C316 C314
R405
R351
C260 C257
R419 C313 R403 R301 R306 M102
C306
R253
C307
R304
C312 C308FB301
IC251R252R251 C251
C311
C258 C259
R307
CC318 C184 C301 R205 C210R165
R302
R354
R352 R353 C320
IC301C309
C304
B
IC303
SLED MOTORC317 R305 R402
R411
C212
R409
R408
C116
R303 C310 R407 C163
C194 R412
CN202
R201
C182
C162 C181
X172
C195R171 C171
C10
C209
X171
C125
C15
C11
C161R10 R13
R161
C203
R181
C18 R11 R12
C17
C134
R121
E
R132 C133
C122
E
C123
R133
C132 R143 R141 C143
C151
C124
R203 R142 C141 C142
C152
R151
C16 Q10
CN101
R204
C185
C112 C111
R112
R172
R111
IC101
C186
C201
C172
C115
R182
D
C174 R173
C196
C183
C14
R406
R191
CN201
R162
C114 C113 R113 R114
C211 R163
C213
R410
R401
CONNECT BOARD CN251 (Page 33)
OPTICAL PICK-UP BLOCK (KSM215DCP)
R131 C131
Semiconductor
LocationRef. No. IC101 IC251 IC301 IC303 Q10 Location D-7 C-6 C-7 B-7 E-4
26
26
HCD-GX4505-3. SCHEMATIC DIAGRAM BD81A SECTION See page 46 for IC PIN FUNCTION DESCRIPTION.
C15 0.1 F R307 10k C307 0.1 F TP304
C11 10 6.3 B
C10 10 6.3 B
CN101 16P
C142 0.0015 B
C134 0.1 F
C125 0.1 F
C132 0.47 B
C133 0.01
C151 100 10V
B
R12 100k
C17 220 4V
C16 1 F R10 3.3
TP423 IOP1 R13 1 TP424 IOP2 Q10 2SB1690K
TP10 E TP11 D TP12 A TP13 B C13 NM TP14 C TP102 F
R143 3.3k
C131 100p CH
C124 330p CH TP124 RFACO
R151 0
C141 0.1 B
TP125 RFACI
R121 15k
R131 1M
C123 0.1
R142 1k
R133 180k
C122 0.1 B
R203 0
C152 1
JPO10 APC
R11 0
B
TP302 C308 47 4V C309 0.1 F R303 100k IC301 TC94A34FG-002 TP303 R351 100
R141 4.7k
TP122
C143 0.1 F
TP123
C18 0.001
B
R132 10k
TP15 PD
TP121 RFDCO
TP16 F+ TP17 FTP18 TTP19 F-
R302 10k R405 100 R404 100 R419 100
C306 0.1 F TP427 PCMDI
R352 100 R403 100 C310 0.1 F R353 100 R402 100 R354 100 R401 100 R301 100k R305 100k C317 0.01 B C320 0 C313 0.1 F C162 0.1 F C318 0.01 B C161 0.1 F
TP103 LRCK
TP104 PCMD TP105 BCK
R111 1k C111 0.0033 R112 15k JPO102 FEI R113 1k JPO103 TEI C112 470p C113 0.0033 R114 15k C114 470p B
B
R161 100
C316 0.0022 B
TP301
R306 0
C311 0.1 F
R313 C315 220 0.1 B
C115 0.1 C171 C174 0.1 F 22p CH R171 470 IC101 CXD3059AR
F
C116 100 10V
TP177 VC TP428 FRDR TP429 FFDR TP430 TRDR C195 0.1 F TP431 TFDR
R172 1M C314 47 4V IC303 BH15FB1W C312 0.1 F C172 27p CH R173 0 C185 2200p CH X171 16.9MHz
R181 C181 100 0.1 F
C183 22 6.3V
TP432 MDP
TP433 MP3VDD
R182 100 C186 2200p CH
C184 22 6.3V TP167 LOCK TP178 FOK TP166 DFCT TP165 MIRR C194 0.1 F
C182 0.1
F
FB301 BLM21B272S
C302 0.1 F
C303 0.1 F
TP422 MP3GND
C305 220 4V
TP148 SBSO TP149 EXCK
TP145 WFCK TP144 XUGF TP147 XPCK TP153 GFS TP146 C2PO
TP142
TP160 WDCK TP162 COUT
TP425 SW+
R251 R252 22k 10k S101 SW
JPO004 MDP
R191 0
C251 0.0068 B
C196 0.1
C163 0.1
C258 0.1
C259 0.1 F
R165 0
R163 100
TP426 SW-
R193 NM
R253 10k
CN201 27P
TP186 MVDD
C210 0.1 B
R162 47k
TP187 MGND
TP401
MP3STB
TP402 MP3REQ TP403 TP404 TP405 TP406 TP407 MIACK MICK MIDIO MILP MICS
TP436 AVDD
IC251 BA5947FM (HSOP28)
R201 0
C201 100 10V
C203 100 10V
TP252 SL+
R205 0 TP417 SCOR TP416 SENS TP415 CLK TP414 XLT TP413 DATA TP412 XRST TP419 XTCN TP434 AVDD TP410 ROUT
R411 100 R410 100 R409 100 R408 100 TP421 DGND C252 0.1 F
TP253 SL-
TP250 SP-
TP408
MP3RST
TP251 SP+
TP420 AGND
C209 0.01 B
M101
M102
R406 100 R412 100 C213 22p CH C212 22p CH C211 220p CH C260 220 10V C255 0.1 F
TP411 LOUT
TP409
DOUT R204 0 TP435 DVDD
27
27
C257 0.1 F
R407 100
HCD-GX4505-4. PRINTED WIRING BOARD CD MECHANISM SECTION See page 21 for Circuit Boards Location.
1 A
2
3
4
5
6
7
8
9
10
11
12
13
14
C751
B
CN704 CN702 CN705
R733 C737R735 R734 R732
Q731
C736
CCN703
C735 JW710 R723 R722 R721JW709 JW708
R751CN742
C741
JW711 C752 JW712 JW707 JW706 JW705 C715
CN741
DD701 D711 R702CN721
R701
R711
R713
IC731
EJW713 JW714
R712
JW704 JW703IC701 IC712
MAIN BOARD CN301 (Page 30)CN731
JW702 R731
F
JW701
C731
GCN751 S751 (LEVER SW)
Semiconductor
H
LocationRef. No. D701 D711 IC701 IC712 IC731 Q731 Location D-6 D-7 F-6 F-7 E-11 C-9
28
28
CN701
HCD-GX4505-5. SCHEMATIC DIAGRAM CD MECHANISM SECTION
IC701 BA6956AN LD MOTOR DRIVER
OUT2
OUT1
VREF
GND
VCC
RNF
RIN
VM
FIN
C715 100 16V
CN701 12P
R702 100
R701 470
D701 MTZJ-T-77-5.1A M751 (LOADING) CN721 2P CN704 2P C751 0.01 IC712 BA6956AN TBL MOTOR DRIVER CN301 32
OUT2
OUT1
VREF
GND
VCC
RNF
RIN
VM
FIN
C752 0.1 S751 (LEVER SW) R712 4.7k R713 22k M741 (TBL) CN742 5P IC731 RPI-576 TABLE SENSOR CN731 3P CN741 3P D711 MTZJ-T-77-3.6B R732 10k R735 100 R734 12k R731 100 C731 10 50V Q731 DTC114ESA TBL ADDRES SENS SWITCH R721 4.7k R722 4.7k R723 4.7k CN703 4P CN751 4P RE701 ROTARY ENCODER E-3 E-2 E-1 R711 1k R751 4.7k CN705 2P CN751 2P
C741 0.01
R733 1k
C735 0.1
C736 0.1
C737 0.1
CN702 5P
no mark : FM
29
29
HCD-GX4505-6. PRINTED WIRING BOARD MAIN SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6GAMEJACK BOARD CN801 (Page 33)
7
8DRIVER BOARD CN701 (Page 28)
9
10
11
12
13
Q308
R306
R310
R307
E
JW107
R383 R382
R384
R381
R379
CN101
JW1
JW146
TUNER
Q309
C375
JW145
BCONNECT BOARD CN254 (Page 33)
Q313
R311
IC371C372 R377
JW109
JW108
C374 R308
R380
JW2 R280 JW112 JW4 JW3
E E
Semiconductor LocationJW6 JW7
C373
C371
C376 R312
JW151
JW122 JW121 JW125 JW126 JW127 C354 JW123 JW124
JW110
3JW113 JW114 R142 JW115 JW311 CN314
1
JW5
Ref. No.FAN
Location I-10 H-10 H-11 H-11 I-11 I-10 I-10 F-4 G-5 G-5 G-5 G-4 I-8 I-8 I-8 I-8 I-7 I-7 I-7 I-7 I-7 I-6 I-6 I-6 F-8 F-9 H-8 G-6 H-5 H-5 E-4 E-4 F-4 D-6 D-8 D-11 E-5
Ref. No. IC301 IC302 IC303 IC304 IC371 Q101 Q102 Q103 Q104 Q105 Q106 Q107 Q108 Q303 Q304 Q305 Q306 Q307 Q308 Q309 Q310 Q311 Q312 Q313 Q314 Q315 Q321 Q322 Q323 Q324 Q327 Q351 Q352 Q361 Q362 Q371
Location G-8 E-9 G-7 G-7 B-4 H-9 H-9 H-9 H-10 E-10 D-7 D-7 F-11 E-11 E-4 E-4 B-4 B-4 B-4 B-3 H-10 H-11 H-10 B-3 G-6 G-6 F-7 F-4 F-4 F-4 G-5 G-4 G-4 G-6 G-6 I-5
R371
R372
R378
C342
R374
R375 R376
R373
R141
1
12JW18
JW150
R344
R346
R347 R345
R343
R342 R341
JW8 R348 C166
CN308
JW120
R139
JW119
JW117
C164 JW118
CCN302
FB203
JW116
R135
C151
1C228
3
JW128 R272 JW129
R136
C162
R138
FB204
C157
C145
R134
C150
C148
R133
C152
JW17
JW16
JW15
JW14
JW13
JW12
JW144
R131 R176
C160 C154
JW10
FB202 C212 FB201 C217 JW142
JW33
C153
JW131
C149
C146
C144
C143
R169
JW132
C176
C275
C274 R132
R161
C135
C102
Q306
Q102
R103
R209 E JW141
C103
R177
Q307
C101 R101 R104
C136
R208
IC101R197C127 JW155 C120
JW35
D
JW134
R212
R211
R127
R128
PANEL BOARD CN601 (Page 37)
C140
C139
R137
JW34
C138
R168 C180
R167 R166
C216
C222
Q106
R129
C213
C159
E
R165
JW133
C141
C137 Q107
IC102JW36
C178
C179
C177
R164
JW22 JW21
R160
JW23 JW19 C199 R186
C106
Q305 R207 R210
R182
29
R105
C206 C105 C110
R198
R205
C128
C107
R203
JW38
R204
JW26
C131
R116
C129
R202
C126
R117
C265
CN112
R282
R CH PB HEAD L CH HP2DECK-B (REC/PLAY)
R114
E
HP11 2 3JW137
JW139
E
Q304
C108
C121 C119 JW159 R113
R172
C109
JW136
E
C184
R189
C130 C125 R196 JW39 JW40 C123 JW42 R118 C312 JW41 JW27 R187 R181 C196
R201
3 1C264
R109 R283 R284
C191 R111
C122
C111
R281
R106
R112
C124
JW106
C115
C116
R110
C117
IC302
C114
C245
C247 R244
R243
C248
C192
Q322
C190
Q323
9JW101 JW100 R245 C249 JW99 C267 CN103 C266 JW102
1
C244 C241
JW43
3
R174
R178
R248
C118
C311
JW44
R173
EC194
D326
C243
Q321
ER247
E
C242
R175
R249 C250
9L101
1
JW103
R242
C318
C315
HRP2 3 R CH HRP1 4
JW96 JW95
ER214 C352 R213 R252 C251
JW50
L CH
4R358
JW79
D313
3
JW97
R250
1Q324
8
C309
REC/PB HEAD
2 HE1
R251
C246
C308
F
ERASE HEAD
JW98
D211
1
R246
33 6
R241
JW45
R270
E
R271
C231
JW301 D314
1CN306
Q108
C188
E
C189
4
R193
R268 R269
Q303
D325
IC201
C113
C112
JW104
R195
Q105
JW138 D324
R194
R115
R182
C198
DECK-A (PLAY)
R107
JW135
JW140
C211
C104
JW37
R120
R119
C187
C193 R108
C202
R206
R123
C214
R125
C134
C181
R170 C183 R171
JW24 JW20
IC104
R184
28
R124
E
C133
R126
ER121 C132 C186
C185
JW9
JW143
10
C142
JW11
JW130
C147
LP301
CN301
C165
1
EC203
R199 R192
JW32
JW78
R351
C270
C351 R353 R356 R264
R262
1R362
3
1
3
1
3JW29
C253
R361
C259
JW75
Q314
JW74
JW70
R324
Q315
D213
D212
R321
Q352
JW73
JW80
JW49
D215
E
JW72
JW48
R354
JW47
JW46
E
R357
JW71
Q351
R266
E
R323
G
C353
R364
E
Q361
R352
C252
JW94
E
Q362
E
IC304JW76 JW77
IC303
IC301JW30 JW31
JW105
R253
SUB-WOOFER BOARD CN501 (Page 35)
D201 D202 D203 D204 D205 D206 D207 D211 D212 D213 D214 D215 D301 D302 D303 D304 D305 D306 D307 D308 D309 D310 D311 D312 D313 D314 D315 D316 D321 D322 D324 D325 D326 IC101 IC102 IC104 IC201
Q327 R263
D214
R265
JW156
C258
R275
EQ102 C313 C316 D315 C310
R159
R274
R154
E
D316
R153
JW88
JW81
R155
Q104
C321
ER163R226 C229 Q310 R225
JW84
Q101
R152
JW91
JW93
JW92
JW90
JW89
R158
JW157
EC175
ER157
R151
Q103
R363
R322
E
LP303
JW87
JW82
H
JW83
JW51 R227
R228 R147 Q311 D202
JW86
D322
R313
JW66
JW63
JW52 R156
C230 JW53 JW54
JW85
D321
JW65
R232
R391
R388
R392 R393
R325
R223
JW67
ED203
JW64
JW62
JW61
R387
R390 R389
R395
R386
R385
1CN309 R217
R394 R219
JW158
JW55 R231
Q312
E
LP302
D204 D205
D312
D310
D305
D307
D301
D309
D304
Q371
D311
R397
D306
D308
D303
D302
JW57
R221
D201
JW56
R396
JW202
I
JW201
H/P JACK BOARD CN804 (Page 33)
5
R216
R218
E
R222
R230 R229
D207
R220 C306 C305 C303 JW68 JW149 C304 C301 C302 JW148
D206
11CN303 JW69
1
JW59
13CN307
1
LP304
JW305
C235
JW58
JW303
R273
EP101
EP301
J
JW302
12
(CHASSIS) (CHASSIS) TRANS BOARD CN907 (Page 40) AMP BOARD CN441 (Page 41)
K
30
30
HCD-GX4505-7. SCHEMATIC DIAGRAM MAIN SECTION (1/2)
Q371 2SC3052 R385 4.7k R151 4.7k R397 10k R386 22k R396 4.7k R388 22k R387 4.7k R389 4.7k R390 22k R391 10k R392 1k R394 R393 1k 10k Q101 2SC3052 R154 10k R153 10k Q102 2SA1235 C175 2.2 50V R157 47k Q312 2SA953 R231 10k R227 1k R225 4.7kD207 1SS355
CN309 5P
C235 0.1
R216 56
R217 56
R219 680 2W
R152 10k
R218 680 2W JW202 JW
R395 22k
JW201 JW EP101 CN308 3P C228 0.1 Q311 2SC2001 D203 JW D204 JW Q310 2SC2001 R228 1k D205 JW
R162 2.2k
R155 4.7k R158 2.2k
R156 470k Q104 2SC3661
Q103 2SC3661
R163 10k
R159 10k R164 10k R160 10k
C229 4.7 50V R226 47k CN307 13P
C230 47 16V D202 MTZJ-13B
R232 10k D206 1SS355 R229 4.7k C188 22 50V R173 10k
R165 10k
R161 10k
R230 4.7k
R220 22k
R222 5.6k
R174 10k Q105 2SC3052 R175 10k C189 22 50V C190 0.01
C176 10 50V
C185 10 50V
R172 100
C187 0.01
R221 22k
D201 1SS355
R223 100k
C178 47 16V
C177 22p R167 10k R166 10k C179 47p R168 100k C180 220p IC102 NJM4565M R169 100k C166 1 50V C181 47p R170 10k C183 22p R171 10k C182 220p
C186 47 16V C184 47 16V
R268 R270 10k 1k C231 0.1 R271 10k R269 2.2k
C194 10 50V
R141 1k
C162 1 50V
C165 1 50V
R142 1k
C164 1 50VC160 1 50V R139 0
C154 0.0047
R189 100 R184 4.7k CN306 4P R202 10k Q108 2SC3052 R204 10k R272 470k Q304 2SC3052 C211 2.2 50V Q305 2SA1235 R205 4.7k C202 100 16V C199 0.33 R203 10k R181 47k R182 33k C196 47 16V R186 33k R199 220k IC104 NJM4565M C203 10 50V C206 2200p R187 47k C107 10 50V R105 390 C106 0.01
C159 1 50V
C157 1 50V
C153 0.0022
C198 0.22
R138 1k
R137 4.7k
C152 0.0022
R201 4.7k
R102 10k R101 10k C101 1 50V
R103 330k C105 220p R104 15k
C151 0.01 C150 0.01
R136 4.7k R135 4.7k C147 10 50V
C102 1 50V C103 0.1 50V C104 0.1 50V C108 220p R107 15k R281 2.2k R282 2.2k R283 2.2k R284 2.2k IC101 BD3401KS2
C149 0.01 C148 0.01 R134 4.7k C146 0.1
R192 22k
R198 2.2k R197 2.2k R108 390 C109 0.01
C214 1000 10V
R206 47k
R207 R210 2.2k 2.2k Q307 2SC3661 Q306 2SC3661 R178 10k R193 1k Q303 2SC3052 C193 2200p
C216 0.1
C222 0.1 C217 0.1
C213 10 50V
C110 10 50V
R106 330k
R133 C145 4.7k 10 50V C144 0.1 C142 10 50V C141 10 50V C140 0.068 M C139 0.068 M R132 4.7k C138 10 50V R131 15k C143 1 50V
R209 10k R208 1k R212 10k R211 1k
C111 1 50V C112 1 50V C113 1 50V C114 1 50V
C212 10 50V
FB201 FB202 FB203 FB204 0 0
0
C116 220p CH
C120 220p CH
0 D324 10EDB40
R109 470kC119 0.01 R112 470k C115 0.01
C275 47p
D325 10EDB40
C117 330p
C121 330p
C137 10 50VM C123 22 50V C126 1000p C133 0.047 R126 10k M
R176 220k
C135 0.068
C128 100 10V
C129 47 16V
R111 150k C118 10 50V
R195 6.8k C192 2.2 50V
R194 6.8k C191 2.2 50V
R114 150k C122 10 50V
R115 1M
C127 100 10V
CN314 PH-S(3P)
C130 47 16V
C131 0.047
C125 100p
D326 10EDB40
C136 0.068
R110 330k
R113 330k
C274 R177 47p 220k R127 4.7k R128 15k
Q106 2SC3052
R129 47k
JW311
C124 100p
R125 10k R124 10k C134 0.1 M R123 10k
R121 47k Q107 2SC3052 C132 47 16V
R120 1MR119 47k
R196 0
R118 10k
R116 100 R117 100
31
31
HCD-GX4505-8. SCHEMATIC DIAGRAM MAIN SECTION (2/2)
Q362 2SC3052
C270 10 50V
R362 2.2k
R361 10k
R364 4.7k R363 4.7k R275 0 R274 0
Q361 2SA1235
D316 1SS355 Q314 2SA1235
Q315 2SC3052
R323 4.7k R321 4.7k R322 22k C321 2.2 50V R324 10k C315 100 16V C311 10 50V D321 1SS355 C318 100 16V C312 10 50V
C252 100 16V
R253 100
IC302 TA78033LS
D212 1SS355 D215 1SS355 C309 22 50V C308 22 50V C241 1000p Q321 2SC2001 C258 0.47 50V R264 1k C259 0.22 50V
C253 0.1 50V
R262 3.3k
D213 1SS355 Q327 2SC3052
IC304 TA7809S
R325 4.7k
IC301 TA78033LS
IC303 TA7809S
JW301 JW D313 11EQS04
R241 10 R242 27k C244 0.015
R263 1M R265 10k
JW303 JW
C242 0.0047
C245 1000p
C243 0.015 M
R266 100k
D314 10EDB40 C251 47 16V R251 10k R250 10k Q324 2SB1116 R252 0
R243 8.2k D214 1SS355
D315 10EDB40 C313 2200 25V JW302 JW JW305 JW C302 0.1 C301 0.1 D306 10EDB40 C303 0.1 C304 0.1 D304 10EDB40 D303 10EDB40 D305 10EDB40 D302 10EDB40 D301 10EDB40 C248 1000p C310 3300 25V
C316 2200 25V
D309 10EDB40
R273 0 D312 10EDB40
D311 10EDB40 D310 10EDB40
EP301
L101
D308 10EDB40
D307 10EDB40
C306 0.1 CN303 11P
R244 8.2k
C305 0.1
C246 0.015 M
C247 0.01
C354 0.1
IC201 BA3126N C374 47 16V C375 0.1 R371 100 C372 100p R372 100 R373 100 R374 10k R375 10k R376 10k R377 10k R378 10k R380 10k C373 100p R383 10k R382 10k R381 10k R384 10k R313 4.7k D322 1SS355 R312 22k C376 R306 2.2 10k 50V R307 Q308 10k 2SA1235 C371 100p R245 4.7k R356 470 C249 10 50V C351 1000p R353 47k R351 15k R352 100k C264 1000p Q351 2SC3052 HP2 R354 4.7k C265 1000p
HP1
R357 2.2k
CN112 3P
Q352 2SC3052 C266 1000p HRP1
C352 22 50V R246 100 R247 10k R248 10k
R358 100 C267 1000p C353 2.2 50V
HRP2
R311 4.7k
IC371 BU2099FV
R379 10k Q313 2SC3052
R308 2.2k R310 10k Q322 2SA1235
HE1
Q323 2SC3052 C250 47 16V CN103 8P
D211 1SS355 Q309 2SC3052
R249 47k
R348 22k
R214 1k
R213 1k
R346 1k R347 22k R343 22k
R345 10k
C342 0.1
R342 R341 10k 1k R344 22k
CN302 29P
CN301 12P
32
32
HCD-GX4505-9. PRINTED WIRING BOARD PANEL COMB SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
PANEL BOARD CN603 (Page 37)C256 C255 C254 C252 C251
JW831
W803
CN804
(AMSHML-)
1
(AMS+ HML+) LED610-LED615 (ILLUMINATION LIGHT)
C830 C831
C832
5
JR251
JW261 FB251 FB252 C257
LED611 R703 R701 R699 LED612
C253
BCN254
CN253 JW252 JW254 JW253 JR252 JW256
MAIN BOARD CN309 (Page 30)
(CHASSIS)LED610
JW258 JW2591
R6736
JW251
JW255
JW257
CN607
CN606
S660
MPANEL BOARD CN605 (Page 37)
SW601
JPANEL BOARD CN604 (Page 37)
J801
PHONES
LED613
MASTER VOLUMER705 R707 R709
C
LED614
D
BD81A BOARD CN201 (Page 26)
LED615
MAIN BOARD CN305 (Page 30)
CN251
5 3 1
1
Semiconductor
LocationRef. No. LED610 LED611 LED612 LED613 LED614 LED615 Location B-7 B-6 B-6 C-6 C-6 C-7
(CHASSIS)
J8031
CN801
E
C803 WIRE8042 1
R803 C801 R801
JR801
C804
E3
2
CN805
WIRE801
VIDEO OUT
CN802
C802
F
VIDEO
L AUDIO GAME INPUTJ804
R802
R804
MAIN BOARD CN314 (Page 30)
LP802
R
33
33
HCD-GX4505-10. SCHEMATIC DIAGRAM PANEL COMB SECTION
CN254 9P SW601 SW ESE24SV S660 ENCORDER VR
C830 1000p
C831 1000p J801
R703 220 1/8W
R707 220 1/8W LED614 SELU5223C -STP15
CN251 27P
JW259 JW
R699 220 1/8W
R701 220 1/8W
R705 220 1/8W
LED610 SELU5223C -STP15
JW258 JW JW254 JW JW251 JW
FB251
EMI
R673 22k
LED611 SELU5223C -STP15
LED612 SELU5223C -STP15
LED613 SELU5223C -STP15
LED615 SELU5223C -STP15
R709 220 1/8W
CN804 5P C832 0.1
FB252 EMI JW261 JW C257 0.1
JW252 JW JW253 JW CN253 17P
W803 WIRE
JW255 JW CN606 6P JW257 JW
CN607 5P
JW256 JW
CN805 2P
J803
CN802 2P
C251 100p
C253 100p
C254 470p
C255 0.1
C252 0.01
C256 0.1
J804
R801 10k
R803 22k JR801 0 R804 22k
C801 470p
C802 470p R802 10k
C804 0.22
C803 0.22 CN801 3P
WIRE801
34
34
HCD-GX4505-11. PRINTED WIRING BOARD SUB-WOOFER SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
MAIN BOARD CN306 (Page 30)
AMP BOARD CN443 (Page 41)
C518
CN501
JW508
1
4 7CN502
R506
JW510
JW511
JW512
BJW520
1JW504
LP501
JW506
JW513 D504 R516
JW509
R509
JW517
R520
C515
R533
Q506 C517
Q503
R505
C506
JW505
D501
JW507
JW515
JW516
R529
R501
C503
D502
D503
R524
D506
R528
R527
R526 R525
JW501
C502
R503
C504
JW503
R531
D507
R508
R514
C510
C511
R510
R511
C505
R502
R504
R513
R515
R507
C516
RY501
Q507
R530
Q501
C513
E
C508
E
JW518
JW519 JW514
C512
R512
D
CN503
CONTROLJK501
SUB WOOFER OUT
Semiconductor
(IMPEDANCE USE 616 )
LocationRef. No. D501 D502 D503 D504 D505 D506 D507 IC501 Q501 Q502 Q503 Q505 Q506 Q507 Location C-3 C-5 C-5 B-6 C-8 C-7 C-2 D-3 D-5 C-8 C-6 C-7 C-7 D-1
35
35
R518
R519
IC501
D505
C
C509 C507
E
R532
Q505
E
C514
R517
Q502
E
E
HCD-GX4505-12. SCHEMATIC DIAGRAM SUB-WOOFER SECTION
IC501 STK404-130S
R517 10k 1/4W Q507 2SC2785 R516 100 1/2W R530 22k 1/4W R507 4.7k 1/2W
R518 2.2k 1/4W
Q502 2SA1175
R519 2.2k 1/4W
C508 220p 50V R508 4.7k 1/2W R510 0.22 5W R511 0.22 5W
C516 10 50V R531 4.7k 1/4W
JW501 JW C502 220p 50V
C505 10p 50V
Q501 2SC1841
CN503 2P
R529 2.2k 1/4W
C503 4700p 16V
R501 47k 1/4W
C507 47 50V
R502 47k 1/4W
CN501 4P
D507 1SS133T-77
R503 1k 1/4W
R504 47k 1/4W
R509 100 1/4W FR C513 0.1 R505 4.7k 1/2W C511 10 100V
R513 1k 1/4W
JW520 JW
C512 0.1
R514 22k 1/4W
D501 MTZJ-T77-12B
D505 1SS133T-77
R528 10k 1/4W
C515 4.7 50V
R527 1M 1/4W
R526 8.2k 1/4W
R506 1 1/4W FR
CN502 7P
Q506 2SC2785
R524 47k 1/4W
D502 1SS133T-77
C504 22 25V
C506 100 25V
C509 100 100V
C510 10 100V
R512 10 1/2W
D503 1SS133T-77
D506 MTZJ-T-77-6.8B
R525 22k 1/4W
R515 47k 1/4W
D504 1SS133T-77
RY501 SP RELAY 12V
JK501
R532 22k 1/4W
R520 100k 1/4W
Q503 2SC2785 C514 100 35V Q505 2SC2785 C517 10 50V R533 22k 1/4W
36
36
HCD-GX450Ver. 1.1 5-13. PRINTED WIRING BOARD PANEL SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
12
13
CONNECT BOARD CN253 (Page 33)C622 JW807
(CHASSIS)
R770 R769 R768 R767 R766 R765 R764
R747 C638 R746 C637 R745 C636 R744 C635 R743 C634 R742 C633 R741 C632 R740 C631 R739
R763 R762 R761 R760 R759 R758 R757 R756 R755 R754 R753 R752 R751 R750 R749 C640 R748 C639
C630 R738 C629 R737 C628
Q616
R786
JW806
JW805
R717 R718 R716
R684
R772 R644 JW612S602 LED601
R719
1
5
10
15
20
25
30
35
41
45
C623
E
R683
JR610
C621
D626
D623
R771
D621
FL601
Q604
JW622
JW687
JW621
C620
JW808
JW614
JW602 JW809
JR617
JW601
JW803
JW802
CN603
R794 R795
JW699 R793
JW698 R792
JW697
JW69651 50
JW694
R791 JW615
JW613
B
(FLUORESCENT INDICATOR TUBE)JW695 JW689
E
R643
S601
R785
R783 R782 R781
R777 R776 R775
R778
JW693
R774
C642
DISPLAYC605 D605 R639 D6043 1
JW804
R796
JW700
C641
C649
JW616 JW617
D607
R715
JW688
JW624
JW691
JW690
JW786
LC876996A type used for IC601
R641
R640
D603
S604
JW791 JW790 JW789 JW788 JW787 JW780 R665 S641
C647
JW799 JW798 JW797 JW796 JW795 JW794 JW793 JW792 S642
R77380
JW692
R854
DISC 1R647 R646 R645
IC601R728
JW619
R674
R779
R788
JW623
*1
JW686
R629
31
JW618
JW611
R780
30
JR6243 5 1
JW814
R789 JW800
R681 R680 C653 R714 CN608
JW801
JW704
WIRE806
R627
JW702
C643
C644
C613 JR612 R729 X601 R730 C625 C624 JW682 C626 JW681 C607
R733 X602
3 1
R688
JW626 JW627 S626
R675 R735 R653 R736 R654 R642
C
R628
GROOVE
*1
C65481
R687 R689 D614
JW625
C619
JW610
JW701
JW711
JW710
JW703
R727 R732
JW785
S605
R636 R637 R787
JW705
JW709
JW708
JW706
JW813
JW630
JW680
R686
JW717
JW716
JW777 JW776
JW715
SURROUNDJW769C612
1
JW629
JW628
E R685
JW632
3
D632
EQ BQND
IC604
JW707
DISC 2
S603
R784
100
1
Q605
C614
ILLUMINATIONJW635
R672 R638 R731 R660 R659
R682 C611
D631
JW633
IC610
S621
D608
JW714
C615 JW634
CD
JW713
JR611
JW773
JW772
JW775
C610
S606
JW815
R723
JW771
JW774
JW770
R725
C646
JW683
JW725
JW779
JW778
JW759 R666
R667
JW757
JW755
JW724
JW723
R670 R669
JW766
D611
JW669
JW768
JW733
R695 R696
S647
JW735
JW734
JW732
JW731
JW671
JW758
CN601
JW762
JW756
JW608
JW764 R734
JW752
JW673
JW765
JW736
JR622 JR623
R664
JW646 R720 R671
JW670
JW668
JW674
JW648
S611
JW664
X
JW737
Q610
JW738
R610 R790 R609
R605
R604
JW767
R652 R678 JW760
R663 R677 D630 JW810
S645
S607
h
E
JW663 S649
S628
Q611 Q612
GAME MIXING
R658 R657
E
E
R661
RESET EQ
JW811
JW647
S648
R668
JR607
E
JW754
JW607
JW665
R656 R655
R635 R676
ENTER
ALBUM+
JW729
JW728
JW667
S612
JW739
JW659
JW654
JW658
JW656
JW655
JW653
JW652
JW750
R618 R799 R798 R615
JW744 R619 JW743 R601
R649 R650
R797 R611 R602 R613 R603 R606
R623
R648
R651
R698
S608
P FILEJW749JW747 JW748
S644
R621
R622
R713 R711 R712 R710 C618
R607 R608 R616 R617
Q602R626
TUNING+R620 R614 R612
D616 JW740
E
E
E
S650
R724
F
R615
R625
TUNINGC617R721
S629
R702
JR621
Q603
E
JW741
Q601
R704
R700
Q613 Q615 Q614 R706
CD SYNC
CN602 C655
R708
E
5
CN605
1
6
CN604
1
REC PAUSE/START
G
Semiconductor LocationRef. No. D603 D604 D605 D607 D608 D609 D610 D611 D613 D614 D615 D616 D621 D623 D626 D630 D631 D632 IC601 Location Ref. No. C-11 C-11 C-10 C-10 D-8 D-8 D-8 D-8 D-9 C-9 F-6 F-6 B-6 B-6 B-5 E-4 C-8 C-9 C-7 IC602 IC603 IC604 IC610 LED601 Q601 Q602 Q603 Q604 Q605 Q610 Q611 Q612 Q613 Q614 Q615 Q616 Location D-11 D-9 C-8 C-12 B-11 F-6 F-7 F-6 B-9 C-8 E-8 E-7 E-7 F-7 F-8 F-8 A-9TAPE MECHNISM DECK
6 STREAM LED BOARD CN607 (Page 33)
6 STREAM LED BOARD CN606 (Page 33)
*1 IC601, R789 When IC601 is exchanged for LC876A type, remove R789. (R789 : Location C-4)
Attention when exchanging IC601Original Part 6-804-130-01 LC876996A-52S4-E 1 Repair Part 6-804-130-01 LC876996A-52S4-E This IC is not compatible with 2 and 3. 6-804-440-01 LC876996A-53H2-E 2 6-804-440-01 LC876996A-53H2-E or 6-805-469-01 LC876A96A-55D8-E When the above IC is exchanged, remove R789. 3 6-805-469-01 LC876A96A-55D8-E 6-805-469-01 LC876A96A-55D8-E
37
37
R662
S610
R722
JW745 JW746
JW662 R624 JW661
JW660
JW657
JW651
DISC SKIP EX-CHANGE
C648
M
MAIN BOARD CN302 (Page 30)
JW672
JW730
JW666
JW812
JW751
ALBUM
JW644
JW643
R697
S646
M
JW645
R693
JW761
R694
JW753
JW675
D609
JW720
C609
R692
JW763
R690 R691
JW722
D610 D613
1
3
JW639
JW637
JW606
JR614 R632 C601 C602 JR603 R633 JR609 C603 R634
C606 JW676
JW726
JW719
R679
R863
EFFECT ON/OFF
JW727
S643
J W 6 75 7
4
PLAY MODE/ TUNING MODES627
C604
D
JW721
JW718
DISC 3
JW679 C608 JW678
20
11
S627
S622
TUNER/BAND
IC603
IC602JW641 S623
1
10
TAPE A/B
JR608
S624
x
GAME
S630
CN610
4
HCD-GX4505-14. SCHEMATIC DIAGRAM PANEL SECTION (1/2)
R704 220 R706 220 R708 220 R700 220 JW660 JW
R702 220 CN605 5P
JW659 JW Q610 DTC143EKA -T146 Q612 DTC143EKAT146 Q611 DTC143EKAT146 Q614 DTC143EKAT146 Q615 DTC143EKAT146 Q613 DTC143EKAT146
R698 220
JW705 JW
JW718 JW674 JW JW
JW655 JW
CN604 6P
D605 1SS355TE-17 JW601 JW602 R629 10 R628 10k R639 4.7k R640 12k D604 1SS355TE-17 D603 1SS355TE-17 R854 220
JW656 JW
R627 10k
R641 220k
C605 4.7 50V
R690 100 R691 100 R672 10k R692 100 R693 100 R694 100 R695 100 R696 100 R638 100 R731 100 JW811 JW
C655 0.1
R697 100
IC602 BU2099FV R674 15k C644 10 16V C604 0.1 25V R663 22k R652 15k R651 10k R649 4.7k R648 3.3k R647 2.2k R646 1.5k R645 1.5k
JW658 JW
R650 6.8k
R644 1k
R643 680
R642 470
R635 100
R633 100
R634 100
R632 100
JW703 JW JW625 JW
JW641 JW
S612
S611
S610
S608 S607
S606
S605
S604
S603
S602
S601
JR607 0
JR608 0
JW701 JW714 JW635 JW JW JW
JR609 0
JW626 JW
JW716 JW
R662 10k
CN601 29P
R661 6.8k
R660 4.7k
R659 3.3k
R658 2.2k
R657 1.5k
R656 1.5k
R655 1k
R654 680
R653 470 R675 15k
C601 22p
C602 22p
C603 22p
S629 S630 S628 S627
S626
S624
S623
S622
S621
R722 15k
R721 10k
R720 6.8k
R671 4.7k
R670 3.3k
R669 2.2k
R668 1.5k
R667 1.5k
R666 1k
R665 680
R664 470
R676 15k
S650
S649
S648 S647 S646
S645
S644
S643
S642
S641
38
38
HCD-GX450Ver. 1.1 5-15. SCHEMATIC DIAGRAM PANEL SECTION (2/2) See page 49 for IC PIN FUNCTION DESCRIPTION.
FL601 FL
JW812 JW R785 100 R783 100C639 100p C638 100p R750 100k R751 100k C636 100p C634 100p R769 100k R766 100k R767 100k R768 100k R765 100k R763 100k R764 100k R762 100k R761 100k R758 100k R760 100k R759 100k R757 100k R756 100k R755 100k R754 100k R753 100k R752 100k C637 100p C633 100p C632 100p C631 100p C630 100p C629 100p C640 100p C635 100p C628 100p
R782 100 R781 100 R780 470 C622 4.7 50V
R770 100k
C623 4.7 50V
R779 100 R778 100
R710 10k R719 3.3k R718 22k R716 22k C620 47 35V C621 0.022 LED601 SELU5223C -STP15C642 0.1
R712 10
R777 100 R776 100 R775 100 R774 100 JR617 JR
R772 1k
R771 47k
R711 10k
C617 1000p
C618 1000p
R713 10R606 4.7k R605 4.7k R607 47k
JW670 JW CN603 17P R717 3.3k
JW724 JW JW723 JWD623 1SS355TE-17
R794 100
R793 100
R792 100
JW707 JW
R796 100
JW729 JW JW673 JW721 JW JW
JW708 JW
JW709 JW
D626 1SS355TE-17
D621 1SS355TE-17
R608 4.7k
R795 100
R621 10k JW606 JW R622 1k
JW706 JW
Q601 2SB1068TP-K R790 1k JR621 0 R610 10k R797 1k R623 10k R612 10k R613 22k R609 22k R611 22k
R773 100 R789 *1 C641 0.1 25V JW607 JW R624 1k Q602 2SB1116-TP-LK R614 22k R615 22k R798 1k R616 10k R799 1k R618 10k R620 22k D616 1SS355TE-17 R617 22k
D615 1SS355TE-17 R749 100k C643 0.1 R748 100k
*1 IC601
R747 100k R746 100k R745 100k R744 100k R743 100k R742 100k JW608 JW R626 1k
*1 R789 47K: LC876996A type used for IC601 no mount: LC876A96A type used for IC601R784 100
LC876996A-52S4-E LC876996A-53H2-E LC876A96A-55D8-E
R625 10k
R603 4.7k
R602 4.7k
R601 4.7k
JW728 JW JW722 JW
R604 47k
Q603 2SB1116-TP-LK
R619 22k
CN602 13P
R741 100k R740 100k
R787 100
R739 100k R738 100kR637 10k R636 10k
R714 100
CN608 3P
IC610 RPM7240-H4
JR624 0R727 4.7M R788 100 R791 100 C626 0.1 R733 100
R729 100
R730 100
R737 100kR734 1k R735 1k R736 1k
R715 47
R723 100
R725 100
R728 4.7M
C619 47 10V
CN610 3P
R732 470k
X602 10MHzC625 22p
C607 1000p
R681 220k R680 22k C653 330p C649 0.1
D607 1SS355TE-17
JR611 0
JR612 0
C624 18p
X601 32.768KHz
C647 47 10V
C654 0.1
D611 1SS355TE-17
D609 1SS355TE-17
C610 1000 6.3V
C611 0.1
D608 1SS355TE-17 D630 1SS355TE-17 R677 0 C648 22 16V R678 100k R863 100 C612 10 16V IC603 MM1574A
R682 10k Q605 2SC3052F
R686 47k C613 0.1 R685 47k C614 0.1
R687 10k
R679 100
C646 22 16V
C606 1
C608 0.01
C609 1
Q604 2SA1175TP-HFE R689 4.7k D613 1SS355TE-17 D614 1SS355TE-17
R786 10k
R683 220k
R684 1k Q616 DTC143EKA-T146 D610 UDZSTE -174.3B R688 470 D631 UDZSTE -176.8B C615 2.2 50V
IC604 M62703ML
D632 UDZSTE -173.6B
WIRE806 WIRE (CHASSIS)
*1 IC601, R789 When IC601 is exchanged for LC876A type, remove R789. Refer to Attention when exchanging IC601 (Page 37).
39
39
HCD-GX4505-16. PRINTED WIRING BOARD TRANS SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
12
D904
D905
D902
D903
JW918
1
3
BD901RY901
CN906 CN9023 1
LP903 R902
LP901
2
CN904
1
C911
C909
D908
R908
C908
R903
R904
E
CPT902
PT901
C906
Q902
JW900
JW923
POWER TRANSFORMER (SUB)
POWER TRANSFORMER (MAIN)
D906
C910
JW906
CN905
FH907
F904
FH908
1
JW903
JW922
N3
D1
AC INCN901 JW921FH909 F905 FH910
AMP BOARD CN442 (Page 41)
2
JW929
FH911
F906
FH9121
EJW920 JW910
C921 JW909 C922
CN907
C920
*
JW930
FC926
FH913
F907 JW926 JW917
FH914
MAIN BOARD CN303 (Page 30)
JW924
JW902
F
1CN903
2
* Not replaceable built in transformerC924 C923 LP902
Semiconductor
LocationRef. No. D901 D902 D903 D904 D905 D906 D908 Q902 Location B-3 B-2 B-2 B-2 B-2 C-10 C-8 C-9
40
40
C925
10
HCD-GX4505-17. PRINTED WIRING BOARD AMP SECTION See page 21 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3JK441
4
5
6
7
8
9
10 Semiconductor
LocationRef. No. Location F-3 D-6 D-6 D-2 D-6 D-4 C-9 B-7 D-6 D-6 D-9 D-8 D-8 D-8 C-4 C-4 C-4 C-5 C-9 D401 D441 D442 D443 D481 D482 D483 IC441
SPEAKER (IMPEDANCE USE 616 )
R
L
+
-
+
-
BC407 R462 JW472EP401 C408
(CHASSIS)
C411 JW449 C448JW451 JW442 R448 R446 C446
C447
JW450
JW400
IC441JW441
C486
Q485
R481
L442 R461
L441
JW413
TH441 JW468JW404 R451 JW403 R452
E
C444R442 R413
R445 C445
C489
RY441 JW414
JW466
JW467
Q487
C487
R488
R487
JW418 JW419 JW408 D443 R407
JW420 JW421
JW422 JW433 D482 JW424 JW425
R414 JW473 JW474E
R494 JW428 JW429 R460 R458 R456JW463
R412 JW426 JW427
R411
JW430 JW431 JW432 C451 C453
R492 R465 R466 Q482
D483 Q481E
JW415
JW433
R490JW434 JW435 JW436 R489 JW437 JW439 JW440
Q442E
C481C492
JW401
C452
C454
JW470
D481 CN4431 7
R454
R453
JW416
R457 R459
Q441 R455
JW469
R486
JW409
E
JW464
D441
JW465
JW471
D
1
JW438
D442
JW443
CN441
C406
C405
JW453 JW454
JW456
JW458
JW460
JW462
R484
R483
JW444
E
JW410
MAIN BOARD CN307 (Page 30)
JW411 JW417JW407
EP491
JW452
R485 JW455 JW457 JW459 JW461
Q483
Q484
E
E
Q489
Q488
C442 C441
R441
E
R447
C
Q486 R482
C402
R444
C443 R443
R491 C488 R467 R493E
E
R495
Q441 Q442 Q481 Q482 Q483 Q484 Q485 Q486 Q487 Q488 Q489
R496
(CHASSIS)JW446 JW447 R401
13
JW412 R402JW445
D401
JW402
C404
C403
FLP4013 1
SUB-WOOFER BOARD CN502 (Page 35)
EP402
CN442
G
TRANS BOARD CN905 (Page 40)
(CHASSIS)
41
41
HCD-GX4505-18. SCHEMATIC DIAGRAM AMP POWER SECTION
PT901
F904 T8.0AL/125V CN905 3P FH908 FH907
FH910
F905 T8.0AL/125V F906 T3.15AL/125V
FH909
CN904 2P FH911 JW909 JW
CN903 2P
JW910 JW
FH912
FH914
F907 T3.15AL/125V
FH913 D908 R908 1 1/4W 10EDB40-TB3
RY901 RELAY U
CN907 10P
JW917 JW
R902 3.3M 1/2W
PT902 JW903 JW
Q902 2SA1932
C908 220 63V
C906 0.1
D903 10EDB40-TB3
D902 10EDB40-TB3 CN901 2P W001 AC CORD U
C920 0.01
C921 0.01
C922 0.01
C923 0.01
C924 0.1
C925 0.1
C926 0.1
D906 MTZJ-T72-27D
C910 100 50V
R903 12k R904 1k C909 10 50V C911 1000 25V D905 10EDB40-TB3 CN906 3P CN902 3P
D904 10EDB40-TB3
JW906 JW
TH441 TH-10K R411 2.2k 1/4W C441 10 50V R441 1k JW441 JW R413 4.7k 1/4W EP491 TERMINAL, EARTH C445 100p 50V JW403 JW R451 0.22 5W RY441 SP RELAY 12V
L441 R461 10 1/2W
IC441(1/2) STK403-130
C451 0.1 R447 47k 1/4W C453 0.1 Q482 2SC2785
R466 56k 1/4W
R465 47k 1/4W
R483 22 1/4W R484 56k 1/4W R485 100k 1/4W
R462 10 1/2W L442 D443 1SS133T-77
D901 1SS133T-77
JW902 JW
JK441
R445 1k C443 1000p C492 0.01 R443 47k 1/4W C447 22 35V
D483 1SS133T-77 R493 33k 1/4W C488 22 35V
R457 22k
R453 10 1/2WD481 1SS133T-77
C481 100 10V
Q481 2SC2785
R407 100 1/2W
C408 0.01
C407 0.01
R492 1k 1/4W
Q484 2SC2785
Q483 2SC2785
R486 100k 1/4W
16V
16V
R491 22k 1/4W
R467 33k 1/4W
R455 1k
Q441 2SC1841
EP401 TERMINAL, EARTH
D441 1SS133T-77
Q489 2SC1841
R459 47k
R494 2.2k 1/4W
C411 0.01 16V
C402 0.01 16V JW401 JW
R414 4.7k 1/4W
C444 1000p
R444 47k 1/4W
R446 1k
R495 1 1/4W FR
D442 1SS133T-77
C448 22 35V
C489 100 100V
R458 22k
R454 10 1/2W R460 47k
Q485 2SA1175 R482 10k 1/4W C486 2.2 50V CN441 13P
R448 47k 1/4W
C454 0.1
R481 4.7k 1/4W R487 33k 1/4W
R456 1k
C446 100p 50V C442 10 50V R442 1k JW442 JW IC441(2/2) STK403-130
Q442 2SC1841
C452 0.1
Q487 2SC2785 Q486 2SC2785 C487 4.7 50V
R490 4.7k 1/4W C405 3300 63V
D401 D10XB20
D482 1SS133T-77
R452 0.22 5W
Q488 2SC2001 LKJW402 JW
R401 100k
C403 0.1 100V
R412 2.2k 1/4W
JW404 JW
R488 22k 1/4W
R489 4.7k 1/4W
C406 3300 63V
R402 100k
JW407 JW
R496 100 1/4W FR EP402 TERMINAL, EARTH
C404 0.1 100V
CN442 3P
CN443 7P
42
42
HCD-GX450
IC BLOCK DIAGRAMSIC251 BA5947FM (BD81A BOARD)
CH4OUTR 19 CH4OUTF 20 CH3OUTF 21 CH3OUTR 22 POWVCC 23 MUTE 24 GND 25
D
D
18 CH1PUTF 17 CH1OUTR 16 CH2OUTF 15 CH2OUTR 14 POWVCC 13 CNF4 12 GND 11 C-M 10 C-P
D
LEVEL SHIFT
D
D
D
19kD
PIN26 6.5k Vref 50k 50kPOW VCC
D
POW VCC (ch3, 4)
10k
POW VCC (ch1, 2)
50k 50k
50k 50k Vref
GND 26 PREGND 27 CT 28 CH3RIN 29 CH3FIN 30 CH4IN 31 CH4CAPA 32 OUTVREF 33 DPOUT 34 TREVCC 35 NC 36
MUTE
R R F100k PIN3 10k 50k
F INTER FACE F INTER FACE
F
R R INTER FACE F
9 VG 8 CH2RIN 7 CH2FIN 6 CH1RIN 5 CH1FIN
R
FSW
4 SW 3 OPIN+
Pre Vcc
2 OPIN1 NC
IC701, 712 BA6956AN (DRIVER BOARD)
TSD
CONTROL LOGIC
1
2
3
4
5
6
7
8
9
OUT2
OUT1
GND
VREF
RNF
VCC
RIN
VM
FIN
43
44CAS 34 VDDM 40 VDDT 42 AD10 43 RAS 33 AD12 38 CCE 37 AD11 39 AD9 44 AD8 45 BUCK 36 OE 35 SRMSTB 41 32
HCD-GX450
AD6 47
AD7 46
AD5 48
49
AD431
CDP Cont I/F PIO7 PIO629
SRAM/ DRAM I/F General In/Output Port WE
50 30
AD3
51
AD2 XRAM 4k word SRAM I/F X-Pointer registerBus Switch
AD1 Y-Pointer register X-Bus Y-Bus 1Mbit SRAM C-Pointer register
YRAM 4k word CROM 4k word
ERAM 2k word
CRAM 4k word
Address Calc. 2sets
52
PIO528
53
AD0
PIO427
54
VSS
PIO326
55
VDD
PIO225
56
CKO Program Control MX MAC A0 A1 A2 A3 ALU MY MZ AX AY
PIO124
VC0
POM
register XO X1 X2 Y0 Y1 Y2
57
VDDX
PIO023
58
Timing Generator
XO
PRAM
VSS22
59
XI
CKI21
60
IC301 TC94A34FG-002 (BD81A BOARD)
VSSX
VDD20
61
TEST round & limit
Instruction Decoder
round & limit
DIT
TXO19
62
MIMD
Sub code I/F Audio I/F
SFSY18
63
VSSP MCU. I/F
SBSY17
64 10 VSS 14 SDI0 5 MILP 7 MICK 12 BCKO 11 SDO0 4 MICS 9 VDDT 15 BCKIA 6 MIDIO 8 MIACK 13 LRCKO 16 LRCKIA
VCOI
DATA
1 VDDP
3 STANBY
2 RESET
HCD-GX450
IC101 BD3401KS2 (MAIN BOARD)TONE OUT2 TONE OUT1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
BBNF1
BBIN1
VIN2
VIN1
33
VOLOUT1
AMS OUT
MOUT2
MOUT1
BOUT1
BOUT2
MNF2
MNF1
BNF1
BNF2
TNF2 49
BASS
MIDDLE
TREBLE + -
+ -
32 VOLOUT2
+ -
TNF1
50
31 BBNF2
+SUR1 51 SURROUND SUR2 52 ATT LINEOUT2 53 + + ATT G BASS MIDDLE TREBLE + -
+30 BBIN2 29 LF1 fc=100HZ f 28 LF2
+BUFFER MIX MIC MIX VOCAL FADER+ -
0
LINEOUT1 54
27 LF3
SAOUT2 55
26 LF4Di-LIMITER
SAOUT1 56SOFT SWITCH
+ -
25 SWOUT
+
CAP 57
+ -
24 FILTER
MIC 58
GAME L 59
GAME R 60
TUNER L 61 INPUT SELECTOR
+ -
+ -
MD L 63+ + -
DIGITAL CONTROL
TUNER R 62
MD R 64+ + + + -
1CD L
2CD R
3TAPE L
TAPE B1
PBOUT1
PBNF1
TAPE A1
TAPE B2
PBOUT2
RECNF2
TAPE R
PBNF2
RECOUT2
TAPE A2
IC201 BA3126N (MAIN BOARD)V DD
IC371 BU2099FV (MAIN BOARD) IC602 BU2099FV (PANEL BOARD)Q11 Q10 SO OE Q8 Q7 Q9 Q612 9
RECOUT1
RECNF1
20
19
18
17
16
15
14
13
11
CONTOROL CIRCUIT
12BIT SHIFT REGESTER 12BIT STORAGE RAGESTER OUTPUT BUFFER (Open Drain)
1REC SW1
2GND
3PB SW1
4CONT
5GND
6VCC
7PB SW2
8GND
9REC SW2L. P. F
1
2
3
4
5
6
7
8
10
N.C.
CLOCK
DATA
LCK
Q1
Q2
Q3
V SS
Q0
Q4
Q5
+ -
+ -
+ ALC ALC 4 5 6 7 8 9 10 11 12 13 14 15 16
23 1/2 Vcc
22 Vcc
21 GND
20 VDD
19 SI
18 SC
17 ALC
45
HCD-GX450
5-19. IC PIN FUNCTION DESCRIPTION IC101 CXD3059AR (RF AMP) (BD81A BOARD)Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 Pin Name MIRR DFCT FOK VSS LOCK MDP SSTP IOVSS1 SFDR SRDR TFDR TRDR FFDR FRDR IOVDD1 AVDD0 AVSS0 NC E F TEI TEO FEI FEO VC A B C D NC AVDD4 RFDCO PDSENS AC_SUM EQ_IN LD PD NC RFC AVSS4 RFACO RFACI AVDD3 BIAS ASYI ASYO VPCO VCTL AVSS3 I/O I/O I/O I/O I/O O I O O O O O O I I I O I O I/O I I I I O I O I O I I O I I I O O I Mirror signal input/output (Not used) Defect signal input/output (Not used) Focus OK signal input/output (Not used) Internal digital ground GFS is sampled at 460Hz; when GFS is high , this pin outputs a high signal If GFS is low eight consecutive Spindle motor servo control output Disk innermost detection signal input I/O digital ground Sled drive output Sled drive output Tracking drive output Tracking drive output Focus drive output Focus drive output I/O digital power supply Analog power supply Analog ground Not used E signal input F signal input Tracking error signal input to DSSP block Tracking error signal output from RF amplifier block Focus error signal input to DSSP block Focus error signal output from RF amplifier block Center voltage output from RF amplifier block A signal input B signal input C signal input D signal input Not used Analog power supply RFDC signal output (Not used) Reference voltage pin for PD RFAC summing amplifier output Equalizer circuit input APC amplifier output APC amplifier input Not used Equalizer cut-off frequency adjustment pin Analog ground RFAC signal output RFAC signal input or EFM signal input Analog power supply Asymmetry circuit constant current input Asymmetry comparator voltage input EFM full-swing output (Low = VSS, High = VDD) Wide-band EFM PLL charge pump output Wide-band EFM PLL VCO2 control voltage input Analog ground Description
46
HCD-GX450
Pin No. 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
Pin Name CLTV FILO FILI PCO AVDD5 DDVROUT DDVRSEN AVSS5 DDCR NC BCKI PCMDI LRCKl LRCK VSS PCMD BCK VDD EMPH EMPHI IOVDD2 DOUT TEST TES1 IOVss2 NC XVSS XTAO XTAI XVDD AVDD1 AOUT1 VREFL AVSS1 AVSS2 VREFR AOUT2 AVDD2 NC IOVDD0 RMUT LMUT NC XTSL IOVSS0 XTACN
I/O I O I O O I I I I I O O O O I O I I O I O O O O O O I I Multiplier VCO1 control voltage input Master PLL (slave = digital PLL) filter output Master PLL filter input Master PLL charge pump output Analog power supply DC/DC converter output DC/DC converter output voltage monitor pin Analog ground DC/DC converter reset pin Not used D/A interface bit clock input
Description
D/A interface serial data input (2s COMP, MSB first) D/A interface LR clock input D/A interface LR clock output f = Fs Internal digital ground D/A interface serial data output (2s COMP, MSB first) D/A interface bit clock output Internal digital power supply High when the playback disc has emphasis, low it has not High when de-emphasis is ON, low when input OFF I/O digital power supply Digital Out output Test pin Normally ground Test pin Normally ground I/O digital ground Not used Master clock ground Crystal oscillation circuit output Crystal oscillation circuit input Master clock power supply Analog power supply Lch analog output Lch reference voltage Analog ground Analog ground Rch reference voltage Rch analog output Analog power supply Not used I/O digital power supply Rch 0 detection flag (Not used) Lch 0 detection flag (Not used) Not used Crystal selection input (Not used) I/O digital ground Oscillation circuit control Self-oscillation when high, oscillation stop when low Subcode Q 80-bit and PCM peak and level data output CD TEXT data output SQSO readout clock input
96 97
SQSO SQCK
O I
47
HCD-GX450
Pin No. 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
Pin Name SBSO EXCK XRST SYSM D ATA VSS XLAT CLOCK VDD SENS SCLK ATSK WFCK XUGF XPCK GFS C2PO SCOR VDD C4M WDCK COUT NC
I/O O I I I I I I O I I/O O O O O O O O O I/O Subcode P to W serial output SBSO readout clock input System reset Reset when low Mute input Muted when high Serial data input from CPU Internal digital ground
Description
Latch input from CPU The serial data is latched at the falling edge Serial data transfer clock input from CPU Internal digital power supply SENS output to CPU SENS serial data readout clock input Anti-shock input/output WFCK output (Not used) XUGF output (Not used) XPCK output (Not used) GFS output (Not used) C2PO output (Not used) High output when the subcode sync, S0 or S1, is detected Internal digital power supply 4 2336MHz output (Not used) Word clock output f = 2Fs (Not used) Track number count signal input/output (Not used) Not used
48
HCD-GX450
IC601 LC876996A-52S4-E (SYSTEM CONTROLLER) (PANEL BOARD)Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Pin Name O-MP3 CS O-MP3 LP MOTER I-MP3 ACK SOL-B O-MP3 REQ SOL-A I-SCOR O-MP3 RESET I-BU1924 DATA I-BU1924 CLK I-VOLUME-IN1 I-VOLUME-IN2 RESET I-XT1 I-XT2 VSS1 CF1 CF2 VDD1 I-PROTECT WFR/HP/MIC-IN I-CD ENCODER I-CD OPEN/CLOSE I-TAPE A START I-TAPE B START I-STREAM/VACS I-KEY 3 I-KEY 2 I-KEY 1 I-SIRDS-IN I-AC CUT G13 G12 G11 G10 G9 G8 G7 G6 G5 G4 G3 G2 G1 S1 S2 S3 VDD3 S4 S5 S6 S7/METER-SW1 I/O O O I O I O I I I I I I O I O I I I I I I I I I I I I O O O O O O O O O O O O O O O O O O O O CS output to CD Digital Processor LP output to CD Digital Processor and Motor signal output ACK input from CD Digital Processor and Motor signal input REQ output to CD Digital Processor and Motor signal output CD Scor input RESET output to CD Digital Processor Data input(Not used) Clock input(Not used) Volume signal input from the encoder Volume signal input from the encoder Reset input Connection for input a crystal resonator Connection for input a crystal resonator Ground Connection for input a ceramic resonator Connection for input a ceramic resonator Power supply Power amplifier circuit protection signal input SubWoofer or Headphone detection signal input Signal input from the CD encoder CD