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1
Ver 1.0 2002. 04
Model Name Using Similar Mechanism CDX-MP70
CD Drive Mechanism Type MG-550T-156
Optical Pick-up Name DAX-23E
SERVICE MANUAL US ModelCanadian Model
AEP ModelUK Model
E Model
MEX-5DI
CD player sectionSignal-to-noise ratio 95 dBFrequency response 10 – 20,000 HzWow and flutter Below measurable limit
MS sectionSignal-to-noise ratio 90 dBFrequency response 10 – 20,000 Hz
Tuner sectionFMTuning range 87.5 – 107.9 MHz (US, Canadian Model)
87.5 – 108.0 MHz (AEP, UK, E Model)Antenna terminal External antenna connectorIntermediate frequency 10.7 MHz/450 kHzUsable sensitivity 8 dBfSelectivity 75 dB at 400 kHzSignal-to-noise ratio 66 dB (stereo),
72 dB (mono)Harmonic distortion at 1 kHz
0.6% (stereo),0.3% (mono)
Separation 35 dB at 1 kHzFrequency response 30 – 15,000 Hz
AM (US, Canadian Model)Tuning range 530 – 1,710 kHzAntenna terminal External antenna connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity 30 µV
MW/LW (AEP, UK, E Model)Tuning range MW : 531 – 1,602 kHz
LW : 153 – 279 kHzAerial terminal External aerial connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity MW : 30 µV
LW : 40 µV
SPECIFICATIONS
GeneralOutputs Audio outputs (front/rear)
Subwoofer output (mono)Power antenna relay control terminalPower amplifier control terminal
Inputs Telephone ATT control terminalIllumination control terminalBUS control input terminalBUS audio input/AUX IN terminalAntenna input terminal
Tone controls Bass ±8 dB at 100 HzTreble ±8 dB at 10 kHz
Loudness +8 dB at 100 Hz+2 dB at 10 kHz
Power requirements 12 V DC car battery(negative ground)
Dimensions Approx. 178 × 50 × 178 mm(7 1/8 × 2 × 7 1/8 in.) (w/h/d)
Mounting dimensions Approx. 182 × 53 × 157 mm(7 1/4 × 2 1/8 × 6 1/4 in.) (w/h/d)
• The tuner and CD sections have no adjustments.
Sony Corporatione Vehicle Company
Published by Sony Engineering Corporation
9-874-009-012002D0400-1
© 2002. 04
– Continued on next page –
MG-MS/FM/AM COMPACT DISC PLAYERUS, Canadian Model
MG-MS/FM/MW/LW COMPACT DISC PLAYERAEP, UK, E Model
2424
MEX-5DI
RFAC
RFDC
EQIN
ABCD
VC
DVCC
LD
OUT2F FFDRFRDR
TFDRTRDR
SFDRSRDR
IN4F
OUT2R
OUT1FOUT1R
C176
MDS
MDP
OUT3FOUT3R
OUT4FOUT4R
A-D
RFAC
RFDC
DC OFST
FE
TE
TE BAL
VCCVC
B+ (SERVO+3.3V)
B+(RF+5V)
DVC
RFSW
63 VC
FE
LOUT1LOUT2
PCMDPCMDI
LRCKBCK
SE
TE
FFDRFRDR
TFDRTRDR
SFDRSRDR
42 C176
43MDP
44
35 27 26 25 24 23 21 17 15 14 12 8 81 78
20 7 8 9 11 10 16 38 85 84 17 6 19 40
30 68 31 32 47 48 87 88 86 15 70 76 77 78 91 92
2372
1
5
6
60
62
9
94
53230
1939
94
59
MDS
TE BAL ADJAPC2
22 APC123 SPST
63 XTAL
65 XTXAL
1-4,
710
-20,
31
222345
2,3,
24,2
58-
1215
-19,
21
115-
118
1-3,
5-7
106-
109,
111
3,4,
7,10
,11
15,3
1-34
36-3
8,41
42,4
4,45
21-2
325
-29
46,4
749
-51
53-5
5
FOCUSCOIL
DRIVE
27 293025
TRACKINGCOIL
DRIVE
21 191823
SLEDMOTORDRIVE
12 14
SPINDLEMOTORDRIVE
6 48
16 3
1510
10497
90868988
1413
912
148
1210
76
817
3
I-VAMPIC3
5
AUTO POWERCONTROL
Q1APCAMP
MOTORCONTROL
Q3
SPINDLE MOTORCONTROL
IC9
VCA
VC
VC
RFDCAMP
FOCUSERROR
AMP
OFFSETCONTROL
Q2
APC MODECONTROL
Q5,6
VIBRATIONMEMORY
CONTROLLER/COMPRESSION
EXPANDER
OP AMP,ADC
LPF
DAC
SERV
O BL
OCK
MICROCOMP.
I/F
BUSSWITCH
GAINBAL
TRACKINGERROR
AMP
EQ
27
1011
62
60
61
12 DIGITALCLV
SIGNALPROCESSOR
FOCUS/TRACKING COIL DRIVE,SLED/SPINDLE MOTOR DRIVE
IC8
IN4R
PSB
M
M
M2(SLED)
M1(SPINDLE)
22
14
18
19
13
1
2PD
15
28
30
16
9
3
RF AMPIC2
RF
AB
EF
LD
2V REGIC7VC
PD
F+F-
T+T-
OPTICALPICK-UPBLOCK
71
58
D0-3
A0-10
120
93
119114113
FOK
SCLK
SENS
CLOK
XLAT
SDTO
XRST
SCOR
XQCK
SQSO
XQOK
XWRE
GFS
WDC
K
FOK
SCLK
SENS
CD C
LKCD
LAT
CD D
ATXR
STSC
ORSQ
CKSQ
SOXQ
OKXW
RE GFS
XRDE SC
LSD
A
GRSC
OR
X212.288MHz
4321
PSB
FL B
OOT
PCTX
PCRX
KEY
IN0
KEY
IN1
LED
CLK
LED
LAT
LED
DATA
MUT
ECD
ON
UNI S
O
UNI S
IUN
I CK
BUS
ONBU
CHK
74
LINK
OFF
FL B
OOT
PCTX
PCRX
KEY
IN0
KEY
IN1
LED
CLK
LED
LAT
LED
DATA
UNI S
LK
A-AT
TCD
ON
UNI S
OUN
I SI
NBUS
BU
INLI
NK O
FF
1 2 3 4 5 6 7 8
CN7
DECXRSTDECSTBY
DECINT
NC
RSTX
CD SYSTEM CONTROLIC11
4 81 80
BUFFIC15
AUDIOI/F
SRAMI/F
PROM
BUFFIC10
RAS
DQ1-4
A0-10
WECAS
CSI
DQ1-3IO4-8
A0-16
OEWE
CEOEWR
OE 431716
DRAMIC6
SRAMIC4
XRAM
YRAM
CROM
SW4
ERAM
MAC
ALU
X BU
S
Y BU
S
XI
58
59
SDIOSDDLRCKIABCKIA
CKI.ACKO
MICK
MIDIO
RESETSTANBYPO7
LEVELSHIFTIC13
CD +5V REGQ203,205,207
8.5V RF 5V
DIGITAL SERVO/DIGITAL SIGNAL PROCESSOR
IC1
AUDIO INTERFACEIC5
SYSTEM CONTROLIC501 (1/3)
B
SW1OPEN/CLOSE
SW2(OPEN END )
SW3(CLOSE END)
L-CH
R-CHA-ATTEJECT
CD ON
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
SYS RESET
CD ONLINK OFF
LINK OFF
A-ATT
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
OPEN END
CLOSE END
IC14
5051
4849
4647
XTAI
XOEXCASXWE
XRAS
XTAO
XRDE
B+(RF+5V)
X116.934MHz
DISPLAYSECTIONB
TUNERSECTIONA
CD O
N
CD +3.3V REGQ202,204,206
8.5V SERVO+3. 5V
CD O
N
CD +3.3V REGIC202
BU+5V BU+3V
2.5V REGIC12
BU+3V B+(REF+2.5V) • Signal path : CD
4-3. BLOCK DIAGRAM — CD SECTION —
(Page 25)
(Page 26)
25 25
MEX-5DI
4-4. BLOCK DIAGRAM — TUNER SECTION —
1
2
17 18
9892 93
73 74 72 80 46
10 11 70 71 53 31 6
9734
9
76
49
16
100
99
12 13 14
8
10
9
12
4
43
28
27
24
38 33
40
19 20 14 13 23 2117
MUTECONTROL
Q530
MUTECONTROLQ363,364
MUTEQ453
MUTEQ451
MUTEQ351
L
R
MS-L
MS-R
-1
-2
CN301-1,-2BUS AUDIOIN/AUX IN
CN101(ANTENNA)
R
L
L
R
L
R
CN451-1,-2FRONT
CN451-3,-4REAR
CN301-3,-4SUB OUT
R-CH
R-CH
AM-ANT
FM-ANT
AM DET
MPX
SDA
SCL
SDA
SCL
S-M
ETER
9
RDS
DETEEPROM
AUX-L
ADSO
1
ADSO
2
MD-L AC IN L
ELECTRONIC VOLUMEIC301
SDA
SCL
MPI
NLE
VEL
SM SAOU
TSA
CLK
AM/MPX2
MPX1
CD-L
A OUT L
OUT SW
OUT LF
OUT LR
LCHADSOIC302
ADSO SWIC309
-4
-3
-1
-2
-3
-4
R-CH
R-CH
MOTOR+MOTOR-
FP IDET
OPEN SW
CLOSE SW XIA
XOA
KEY
ACK
AD O
N
KEY
INO
TEL ATT95ILL IN81ACC IN84TEST IN
83POW ON115TUN ON
57DDC-ON
ATT
15
BEEP
E VO
L AT
T
VSM
I2C-
SCL
I2C-
SDA
4
ADSO
1
T.RO
M S
CLT.
ROM
SDAXIXO
56
NS M
ASK
KEY
S200-208,210
46
FAN
AD ONQ504
TUNER UNITTUX201
X5023.68MHz
X50132.768kHz
MOTORDRIVEIC703
M
M601(OPEN/CLOSE)
S601(OPEN)
S602(CLOSE)
L-CH
R-CH R-CHA-ATTEJECT
SYSTEM CONTROLIC501 (2/3)
CN401
14
15
7
13
6
TEL MUTE
ILL
ACC
TEST
AMP R
5ANT R
FAN1
16BATTBATT
I-DETIC701(1/2)
AUDIOOUT
BEEP DRIVEQ901
BUZZER
CDSECTION A
SA CLKSA OUTMS MUTE
DISPLAYSECTIOND
DISPLAYSECTION C
BZ901
5
SDSO
2
32
MNI
AU
50
QUAL
ITY
75
DAVN
6NOISEDET
IC1027
16 FM DET
4 OSCO
5 OSCI
8DAVN
9SDA
10SCL
BU5V
BATTFAM MOTOR
POWER CONTROLQ871-873
Q142
TUNER POWERCONTROLQ861,862
POWERCONTROLQ866,867
+5V REGQ101
TEL MUTEQ406
ILLUMI CHECKQ404
ACC CHECKQ405
+5V REGIC307
MS AMPIC310
+5V REGQ851
FM AMPQ141
REGQ865
AMP POWERCONTROL
Q401 (1/2),402
ANT POWERCONTROL
Q401 (2/2),403
AUDIO POWERCONTROLQ863,864
BATT
BATT
TU+8.5V
AUDIO+8.5V
BU+5V
TU+5V
+5V
TU+8.5V
AUDIO+8.5V
8.5V
Q352
RDS DECODERIC101
BUS-GND SW
X1014.332MHz
AEP,UK,E MODEL
• Signal path : CD : FM : AM• R-ch is omitted due to same as L-ch.
(Page 26)
(Page 24)
(Page 26)
2626
MEX-5DI
4-5. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 24)
(Page 25)
(Page 25)
35
13
10
14
6162
101
51
60
17
19
14
77
8690
857
18
47
24
9
2
13
11
9
12
3
2
8
11
3
4
56
423
17
8
179
3 4IR
RECEIVEIC206
RESETIC502
RESET
BATTCHECK
LEDDRIVEQ201
+9V REGIC704
I-DETIC701(2/2)
BU+5v
X9014MHz
34
97
6
BATTCHECKQ602
CD ON IN
T-CLOSET-OPEN
MOTOR ON
TR-DET
LED ON
BATTMOTOR +9VUNISI
UNICKO
BUSON
BUIN
HSTXRSTX
UNISO
RAM BUSYS RST
TEMP
SIRCS
37 FSW SFT
57 DDC ON
53 BOOST
RT
VCC
SH3 SO
TH501
OUT2
INA2
7OUT1
7133
Q506
MOTORDRIVEIC702
CD ON
M3(LOADING)
UNISI
LINK OFF
UNI CLK
BUS ON
BU IN
SYS RESET
UNISO
6
BUFFERIC201
SIRCSCONTROL
IC901
SYSTEM CONTROLIC501 (3/3)
D218
Q604 BUS INTERFACEIC601
BCLK
B DATABUS ON
B+ (BATT)
CN601(BUS CONTROL IN)
RESETS209
12SH3 SI
2MS CHK
3MS SET
117DP SW
118DP RST
116MSTPW
SA CLK
SA OUT
MS MUTE
Q912
48TEMP
36MS LED
D2,4-7
D201-204,208
M
CDSECTION B
TUNERSECTION
D
TUNERSECTIONC
109
2 RT
VCC OUT2
7OUT1
12
45
1213
910
86
BUSCONTROL
Q603
POWERCONTROLQ809,811
DC-AC CONV.CONTROL
Q201,206,207
POWERCONTROL
LEDDRIVE
ON/OFFDRIVE
Q813,814
ON/OFFDRIVE
Q801,802
ON/OFFDRIVE
Q810,812
+9V
+3.5V
SH+3.3V
SCARLET+3.3V
ON/OFFDRIVE
Q805,806
POWERCONTROLQ803,804
SHIFTQ808
SHIFTQ807
BUSON
34353637
72
1
HSYNC
VSYNC
DCLK
RXD
TXD
MS SW
30 31
9 1314
12
1 4
TEMP DETQ501-503
+6.5V REGQ204
+5V REGIC201
D/ACONV.DSP
5 1 1 4
4-812-1619-23
R.G.BR.G.B
RGB DECODER,RGB CONTROL
IC913
Q914
Q913
Q911
SPR
MS-L
R-CH
REVI
REVO
LBRSPLLPCLK
1 4
83
4
+3.3V REGIC204
BRIGHTCONTROL
IC209
BRIGHTCONTROL
IC208
CONTRASTCONTROL
IC205
DC-DC CONVERTERIC802
Q815
DC-DC CONVERTERIC801
DC-ACCONVERTER
IC203
ON/OFFDRIVE
Q202,203
VOLTCHECK
IC914,915,916,918
DIMMERCONTROL
IC200,Q200
DIMMERCONTROL
IC202
-15V
+15V
COM
V10V3
V0
LCD+5V
LCD+3.3V
6 2
Q205
+6.5V
BATT
BATT
CONTRAST
PWMRV402
LCD201
VOUTIC210
1.8V OK
1.9V OK
2.5V OK
3.3V OK
DIGITAL BOARD
T201BL201
BACK-LIGHT
RGB DRIVEIC207
1
10
+9V
INV+9V
27 27
MEX-5DI
SERVO board
MAIN board
DIGITAL board
DISPLAY board
SWITCH board
4-6. CIRCUIT BOARDS LOCATION
Note:The components identi-fied by mark 0 or dottedline with mark 0 are criti-cal for safety.Replace only with partnumber specified.
Note:Les composants identifiés parune marque 0 sont critiquespour la sécurité.Ne les remplacer que par unepiéce portant le numérospécifié.
THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note isprinted in each block.)
for schematic diagram:• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolyticsand tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.• % : indicates tolerance.• f : internal component.• C : panel designation.
• A : B+ Line.• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-tion tolerances.
• Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances.
• Circled numbers refer to waveforms.• Signal path.
F : FMf : AM/MW/LWJ : CD
for printed wiring boards:• X : parts extracted from the component side.• Y : parts extracted from the conductor side.• x : parts mounted on the conductor side.• a : Through hole.• : Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:Pattern face side: Parts on the pattern face side seen from the(Side B) pattern face are indicated.Parts face side: Parts on the parts face side seen from the(Side A) parts face are indicated.
• Waveforms— Servo Board —(MODE: CD PLAY)
1
IC2 qg (RFAC)
0.7Vp-p
2
Approx. 200mVp-p
IC2 qh (FE)
0V
3
Approx. 600mVp-p
IC2 qk (TE)
0V
5
6
7
IC1 o; (BCK)
3Vp-p
8
12.288MHz
IC11 yg (XTXAL)
2.2Vp-p
3.5Vp-p
16.9344MHz
IC1 of (XTAO)
3.8Vp-p
474msec
4
IC1 rd (MDP)
3.3Vp-p
IC1 ih (LRCK)
7.6µsec
22.7µsec
— Main Board —
1
2
32.768kHz
IC501 uf (X0A)
4.332MHz
IC101 4 (OSCO)
2.8Vp-p
3
3.68MHz
IC501 os (X0)
4
4MHz
IC901 4 (XOUT)
2.2Vp-p
2.8Vp-p
3.5Vp-p
3030
MEX-5DI
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
C1
C12
TP1TP3TP5TP7
TP9TP10TP11
TP12
TP24
TP25
TP21
TP22
TP23
IC1
C19R32
R38
C17C15
C4
C5
C13
C22
C23
C26
R41
C27
C29
C28
R49
R48
R47
C30
R50
R51
C74
R55
R59
R60
R61
C47
C110
C109
R1
R2
C2
C67
C10TP60TP61TP62TP63TP64TP65TP66TP67TP68
TP69
TP70
TP71
R97
R74Q5
R71
C16
C68
TP41TP42TP49TP50
TP55
TP56
R34
R35
TP103
IC9 C70
R99
R77
C25
C107
C36C77
C64
C48
R56
R58
R62
R64
R54 FB1
R118
R161
R163
R164
C38
FB2
C34
C90
R11
R5
R6
R8
R19
R20R93
R94 R15
TP87
TP88
C111
D25 D26
C96
R24
R156
D9
D18
D19
D22
R21 R23
R22
R78
C8
L12
L13
C123
C124
L10
C121
C122
C9
L1
C21C76
C60
C62
C50
L3
L7
L11
C40
C43
C91
TP27
TP29TP31
TP33
TP105
TP102 TP101
BP1
TP15
TP6
BP4
BP3
TP19 TP20
TP8
BP2TP16
TP104
TP14
C71
L8
C45
C35
TP26
C32R46
C31
R45
L2
R13
R12
R14 R16
R18
R17
R79
R10
R9
R7C14R96
R4
R3
R95C7
R44
R43
R100 R107
D3
R28
C73
R25R26R27
R72R29R30R31
R157
R158
R159
R160
D14
D16
D15
D17
R162
M1
M2 Q3
Q2
C6
C37
C3
CN1
C108
IC6
X1
CN2
CN3
IC8
IC7
IC2
Q1
IC3
Q6
• Refer to page 27 for Waveforms.
4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 40 for IC Block Diagrams.
Note:• Voltage is dc with respect to ground under no-signal
conditions.no mark : CD PLAY
∗ : Impossible to measure
(Page 31)
31 31
MEX-5DI
IC B/D
IC B/D
TP53
TP54
C57
R89
R88
R92
C51
R86
R87
R81R82R83R84R85
C63
C65C66
C59
R125
R111
R113R115
R109
R130
SW2
SW3
C39
C112
TP39
C114
TP72
R127
R121
R124
R129
C101
TP40
TP59
TP73
TP74
TP75
CN7
C61
BP15
BP16
R91
R90
C54
TP58TP57
R131
R102
R138
R144
R13
9R
140
R14
1R
142
R14
3
TP2
TP4
C79
R132
IC5
CN6
CN4
R122R123
TP17
TP18TP28
TP30TP32
TP34TP36TP38TP43TP44TP45TP46TP47
TP48TP51
TP52
TP84TP85TP86
R69
R70
SW1
SW4
IC10
R36
C49
R119
C72
R68
C89
R133
R134
R135
L6L5
C56
TP35
TP37
TP13
TP76TP77TP78
TP79TP80TP81TP82TP83
R67
R75
R120
R136
R117
C75
C42
C82
R105R104
R103
R152
C93
L4
C55
IC14M3
C53
X2
D8
IC11
IC13
IC12
IC15
IC4
D5
D4 D6
D2 D7
R116R137
• Refer to page 27 for Waveform.
4-9. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 42 for IC Block Diagrams.
Note:• Voltage is dc with respect to ground under no-signal
conditions.no mark : CD PLAY
∗ : Impossible to measure
(Page 36)
(Page 30)
3434
MEX-5DI
IC B/D
IC B/D
C105
C150
C317
C327 C331
C353
C356
C357C358C359
CN302
IC301
IC302 IC303 IC304
IC309
IC310
R101
R102
R105
R301
R302
R303
R30
8R
309
R314
R317
R318
R319
R321
R322
R329
R330
R33
6
R338R339
R351
R378 R379
R380
R384
R385
IC307
D461
C102
C103 R104
C104
C101
R121
C121
C127
R12
2 X101
R125
IC101
C130
R143
C145 R146
C142 C146
R145C148R147
C147
R148
C338
C340
C339
C398
C304
C301
C315
R307
C305C303
C302
C318
C312
C310
C309
C307
C316
C462
C330
C407C400
C328
C362
C360C363
C361
C463
C354 C355
C319
C322
C324
C323
C325
C110
C122
C369C370
C107
C106
R103
C109
C108D101
D102R123
C128
C126C1
24R
124
C125
R149
C149
IC102
C141
R142
R141
C144
C143 R144
D142
R349
R304 C306
R353
R359
C364
D351
R35
0
C311
C308 R306
R381 R382
C399
C461
R323
R324 C329
R305
R377
C337
R326
C332
R328
R331
C335R33
7
R32
5
CN301
R357
R356
R352
C326
CN101
R354
R358
R310R311R312R313
R332
Q351
Q352
Q141
Q101 D141
L101
C123
Q142
TUX101
• Refer to page 27 for Waveform.
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 43 for IC Block Diagrams.
(Page 36)
(Page 35)
Note:• Voltage is dc with respect to ground under no-signal
(detuned) condition.no mark : FM( ) : AM/MW/LW
(Page 35)
35 35
MEX-5DI
C367
C404
C862
CN303
D366
D40
5
D406
D407
D861
L401
Q363
Q364
Q401(1/2)Q401(2/2)
Q861
Q862
Q863
Q864
Q865
Q866
Q867
Q872
Q873
R366
R368
R40
3
R405
R406
R40
8
R409 R411
R419
R421
R861
R862
R863 R864
R871
R872
R873 R876
TH401TH402
C366
Q454R454
Q453
Q452
Q451
R451
R452
R453
C468
C863
R866
C861
C864 C871
R877
C403
C409
C401
C402
C408
C464
R402
R416
R420R410
R414R415
R412
R413
C406
D402
R401
R418
D401
R417
Q402Q403
R865
R369
R404 R407
C873
C872R875
R874
Q871
C411
R868
R867
R455
R456 C466
C465
C467R457
R458C374
C373C371
C372
CN451
CN402
D862
D362
Q405Q406Q404
FAN961
F901
CN401
4-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) —
Note:• Voltage is dc with respect to ground under no-signal
(detuned) condition.no mark : FM
(Page 36) (Page 37)
(Page 34)
(Page 34)
3636
MEX-5DI
IC B/D
IC B/D IC B/D
BP701
BZ901
C204
C516
C601
CN201
D20
1D
202
D363
D502
D503
D504
D506D507
D508 D509
D513
D60
2D
604
D60
5 D606
D608
D702
D703
FB201
IC201
IC202
IC702 IC703
L501
Q202
Q203
Q206
Q207
Q501
Q50
2
R206
R212R213
R214
R215
R216R217
R218
R501
R503
R504
R507
R511
R512
R513R514
R517
R518
R52
4R
525
R52
6R
527
R53
1R
532
R53
3
R53
9
R541
R54
2R
543
R54
4R
546
R550
R554
R555R556
R557
R559
R560R561R562R563R564R565
R566 R570
R571
R572
R573R574
R576
R577
R580
R582
R587
R589
R590
R59
1
R59
2R
593
R595
R598
R601
R603
R604 R704
R706
R707
R708
R709
R710
R848
R909
R910
CN701
CN601
D512
D514
R583
R553
R552D50
1
C205
C206
C203
C210 C213C218
C202
R202
C201
R203
C216
C603
C704
C705
C501
C506
C503
C504
C509C510
C511
C513
R551
C514
C519
IC502
R581
C507
C508
R53
7
R54
5
C512
R530R528
R529
R596
C521
R586
R597
C524
R508R509
C522
C523
R53
4R
535
R54
0R
538
R53
6R
594
R54
7
R575
C517
C518
C715C716C714C713C712R715R714C707
C710
C708
R712R711C706R705
IC701
R701
C701
D701
R605
IC601
C214C211
C208
Q205
R205
R522 R523
TH601R602
C207
R505R506
Q503
R502
Q204R204
C215
C212
C209
R201 R208
C217
C515
Q901
Q603
Q602 Q604
Q504
S601
S602
M601
IC501
CN902
D607
D505
X502
D510
D511
C502
R515
R520
IC704
R588
X501
R70
2C7
03C7
02
R70
3
Q506
TH501
Q201
D603
• Refer to page 27 for Waveforms.
4-13. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 45 for IC Block Diagrams.
(Page 37)
(Page 35)
Note:• Voltage is dc with respect
to ground under no-signal(detuned) condition.no mark : FM( ) : AM/MW/LW< > : CD PLAY
(Page 34)
(Page31)
37 37
MEX-5DI
IC B/D
IC B/D
TP901
TP902
TP903
TP904
TP905
TP906
TP907
TP908
TP912
TP914
C851 C852
D804
D851
D852
D902
D912
FB901
IC914
IC915
IC916
IC918
L801
L804
L805
L810
Q804
Q810
R802
R804
R805
R806
R810
R811
R817
R818
R819
R820
R822
R837
R845
R847
R904
R915
R920
R935
R945
CN901
C801
C817
C823
C811
C808
C814
C902
C903
C841C842
C827
C813
C904
C916
C917
C915
C837
C919
C914
L807
C821
R849
R816
R815 D803
C822
R824
C819
C820
Q812
R829
C838
R840
R841
R839R842
C833C836
R834
R827
Q811 C829
R812
C828
C846
Q809
C805
R809
R808
C803 C804R801
L803L802
C802
D801 R807
Q802
R803
Q801
C826
R830
R833
Q803
C806
C847
C824 C818
R823R814 C815
R831
R832
R828
R826 C825
R825
L808
C830
C832
D802R813
Q806
Q805
R846
C843
R843
C840
R838C835
Q813
C809
R844Q814
C834
R835 R836
R851
C853
R916R914
IC913
C913
R919
R918
R946
R921
R922
R923
R926
R924
R911
R908
R903
C901
R941
R940
R939 R938
R925
R901R902
R905R906
Q815
Q807
Q808
Q912Q911
Q851
Q913
Q914D911
R917
R907
IC801
L806
IC802L809
X901IC901
(Page36)
• Refer to page 27 for Waveform.
4-14. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 45 for IC Block Diagrams.
(Page 35)
(Page 39)
Note:• Voltage is dc with respect to ground under
no-signal (detuned) condition.no mark : FM( ) : AM/MW/LW< > : CD PLAY
39 39
MEX-5DI
IC B/D
D21
3
R239
R240
R243
R245
R246
R250
R252
R253
R255
R227
R249
D218
TH200
Q201
Q203 Q202
IC200
R200
R201
R202
R259
R209 R208 R207 R205R206R211R212R213R214
R216
R217
R218
R220
R222
R223
R226
R233
R234
R242
Q207
R272
R248
R244
R241
R251
RA208
R260
RA207
RA206
RA209
RV402
D207
D212 D215
D217
D216
D219
Q206
R224
L201
R221
R210
R293
D201
IC201
IC204D208
D20
0
D202
D203
D204
R204
RA210
RA205
R298
R238
R237
IC208
IC209
IC203
IC210
D210
D214
C200
C201
S209
S200 S201 S202 S203 S204 S205 S206 S207 S208 S210
C206 C210
C213
C254
C208C204
C215
C209
C205 C255 C256
C233
C231
C226
C225
C228
C232
C227
C224
C229
C230
FB903
C234C238
C236
C235
L202
C237
C239
C240
C245
C250
C246
C248
C249 C247
CN202
R219
C207C211
R296
D211 C223
C219
R231R229
R230C214
R236
L200
C218
C221C212
R225
C217
C216
R228R232
C222
C244
IC205
IC207
R276
R277
R278
R275
R279
R280
R281
R282
R283
R284
R285
R286
R287
R288
R289
R274
R273
C251
C252
C253
R26
9
R27
0
R27
1
C220
CN201
Q200
T200
Q204
Q205
LCD201
R24
7
R254
C202R203
CN200 BL201
IC206
R268
IC202
(Page 37)
4-16. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 45 for IC Block Diagram.
Note:• Voltage is dc with respect
to ground under no-signal(detuned) condition.no mark : FM
4040
MEX-5DI
IC1 CXD3027R
• IC BLOCK DIAGRAMS
IC2 CXA2581N-T4 IC3 NJM12902V (TE2)
1
2
3
4
OUT
-IN
+IN
+V
+IN
-IN
OUT
OUT
-IN
+IN
GND
+IN
-IN
OUT
14
13
12
7
5
6
8
10
9
11
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFSTDVC
VC
VC
VC
RW/ROM
VC
DVC
3029
28+–+
–
DVCVCC
DVC
27
262524
RW/ROM
EQ
23
22
21
20
19
RFACVCA
VCC
+–
DVC
+–
+–
RW/ROM
VC
RW/ROM
DVC
+–
3
A
B
C
D
BC
A
A
A
BCD
B C D D
+–
1
2 APC AMP
5
6789
4RFAC
SUMMINGAMP
RW/ROM
APC-OFF(Hi-Z)
RW/ROM(H/L)
VOFST
VC
RW/ROM
+–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
ABCD
AC SUM
E
F
DVCC
DVC
RFAC
RWSW
DC OFSTRFDCI
RFDCO
VC
RFCVFCBST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
ERRORCORRECTOR
32KRAM
EFMDEMODULATOR
SUB CODEPROCESSOR
SERVOAUTO
SEQUENCER
D/AINTERFACE
VIBRATIONMEMORY
CONTROLLER+
COMPRESSIONEXPANDER
DAC
SELECTOR
DIGITALOUT
ASYMMETRYCORRECTOR
DIGITALPLL
DIGITALCLV
CPUINTERFACE
OP AMPANALOG SWITCH
SERVO BLOCK
SIGNALPROCESSOR
BLOCK
MEMORY CONTROLLER,BUS BOOST BLOCK
A/DCONVERTER
SERVOINTERFACE
SERVO DSPFOCUS SERVO
SLED SERVO
TRACKING SERVO
CLOCKGENERATOR
LPF
LPF
MIRRDFCTFOK
PWM GENERATOR
FOCUS PWMGENERATOR
SLED PWMGENERATOR
TRACKING PWMGENERATOR
908988878685848382818079787776757473727170696867666564636261
123456789101112131415161718192021222324252627282930
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
XOE
A0 – A11
SYSMAMUTE
HPLHPMHPR
PCMDILRCKIBCKI
AOUT1AIN1
LOUT1
LOUT2AIN2
AOUT2
A9A8A7
DVSS
RFAC
XTAO
XTAI
XTSL
VCTL
VPCO
WFC
KGF
SXU
GFM
DS
C2PO
WDC
K
BIASASYIASYO
FILOFILIPCO
PWMILOCKMDP
SDTISCSYSCORSBSOEXCKSDTOXLATCLOKSENSXSOER4M
IGEN
VDD0
COUT
MIR
RDF
CT FOK
PWM
ILO
CKTE
ST1
TEST
2TE
ST3
VDD1
C176
MDP
MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
FRDRFFDRTRDRTFDRSRDRSFDR
SCLKATSK
SSTPCOUT
FOKDFCTMIRR
VSS1
TEST
TES1
AVDD
0IG
ENAV
SS0
RFDC CE TE
120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 XO
EXC
ASD2 D3 D0 D1 XW
EXR
ASA1
1A1
0DV
DDA0 A1 A2 A3 AV
DD2
LOUT
2AI
N2AO
UT2
AVSS
2AV
SS1
AOUT
1AI
N1LO
UT1
AVDD
1XV
SSXT
AOXT
AIXV
DDBC
KI
XOE
XCAS D2 D3 D0 D1 XWE
XRAS
A11
A10
DVDD A0 A1 A2 A3
AVDD
2LO
UT2
AIN2
AOUT
2AV
SS2
AVSS
1AO
UT1
AIN1
LOUT
1AV
DD1
XVSS
XTAO
XTAI
XVDD
BCKI
VDD0
COUT
MIR
RDF
CTFO
KPW
MI
LOCK
HPR
HPM
HPL
VDD1
MDP
MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
VSS1
A VD
D
A GN
D
D VD
D
AVDD
0IG
ENAV
SS0
RFDC E F
RFDCEFBA
VC
CLTVXPCK
A6A5A4
XWREXRDEXEMPXWIHXQOK
AMUTESQSOXQCKSCSYSCORVSS0SBSOEXCKXRSTSYSMSDTOXLATCLOKSENSSCLKXSOEATSKR4M
A9A8A7
DVSSA6A5A4
XWREXRDEXEMPXWIHXQOK
AMUTESDTI
SCSYSCORVSS0
D GNDSBSOEXCK
SYSMSDTOXLATCLOKSENSSCLKXSOEATSKR4M
BCKPCMDIPCMDLRCKILRCKDOUTVDD2WFCKC2POGFSXPCKXUGFGRSCOR(WDCK)VSS2XTSLAVDD3ASYOASYIBIASRFACAVSS3CLTVPCOFILIFILOVCTLVPCOVCFESE
BCKPCMDIPCMDLRCKILRCKDOUTVDD2WFCKC2POGFS
XPCKXUGFWDCKVSS2XTSL
AVDD3ASYOASYIBIASRFAC
AVSS3CLTVPCOFILIFILOVCTLVPCO
VCAB
XCAS
D0 – D4
XWE
BCKPCMDLRCK
DOUT
XWRE
XRAS
XRDE
XQOKXWIHXEMP
41
MEX-5DI
IC8 BH6518FS-E2
IC6 MSM51V17400D-10TK-FS
1VCC
ON CHIPVBB GENERATOR
2DQ13DQ2
4WE
5RAS
6NC
8A109A010A111A212A3
26 VSS
25 DO324 DO2
22 OE
23 CAS
21 A9
19 A818 A717 A616 A515 A4
13VCC
ON CHIPVBB GENERATOR
TIMINGGENERATOR
COLUMNADDRESSBUFFERS
INTERNALADDRESSCOUNTER
ROWDECODERS
COLUMNDECORDERS
SENSAMPLIFIERS
MEMORYCELLS
WRITECLOCK
GENERATOR
I/OSELECTOR
REFRESHCONTROL
CLOCK
WORDDRIVERS
TIMINGGENERATOR
INPUTBUFFER
OUTPUTBUFFER
14 VSS
INTERFACE
CHARGEPUMP&
OSC
PRED
RIVE
TSD
PRED
RIVE
PRED
RIVE
PRED
RIVE
INTERFACE
INTERFACEINTERFACE
32
31
30
29
27
26
2425
23
22
21
18
17
19
20
28
1
2
3
4
6
7
98
10
11
12
15
16
14
13
5
VGGND
VG
IN4R
IN4F
VM4
OUT4RVM34
OUT3FVM3
IN3F
IN3R
PSB
OUT3R
PGND3
OUT4F
PGND4
CAPA-
CAPA+
FRDR
FFDR
VM2
OUT2RVM12
OUT1FVM1
TFDR
TRDR
VDDPSB VDD
OUT1R
PGND1
OUT2F
PGND2
42
MEX-5DI
IC5 CXD9684R-004
1
63 6264 60 59 58 57 56 5561
2
3
4
5
6
7
8
9
AUDI
O I/F
10
11
12
13
14
15
16
MIC
ROCO
M I/
F
47
48
46
45
44
43
42
41
40
39
38
36
37
35
34
33
A2
X-PO
INTE
RRE
GIST
ERY-
POIN
TER
REGI
STER
PROGRAMCONTROL
INSTRUCTIONDECODER
ADDR
ESS
CALC
.2S
ETS
C-PO
INTE
RRE
GIST
ERROUN
D &
LIM
IT
A3
DAC DAC
ALU
AX
AY
A0
ROUN
D &
LIM
IT
A1
MAC
MX
MY
MZ
ERAM2k WORD
REGI
STER
X0•X
1•X2
Y0•Y
1•Y2
CROMAKWORD
PROM4kx2+2k
=10kWORD
YRAM4k WORD
XRAM4k WORD
BUSSWITCH
VCOTIMINGGENERATOR
GENERALINPUT PORT
I/FSR
AM
DIT PROG.START
54 53 52 51 50 49
INTE
RRUP
TCO
NTRO
LTI
MER
FLAG
GENE
RAL
OUTP
UT P
ORT
32313029282726252423222120191817
OE
VSS(
2.5G
ND)
VSSL
(2.5
GND)
VRAL LO
VDAR
(2.5
V)
VDAL
(2.5
V)
VRAR CK
S
AD10
AD9
VDDT(3.3V)
AD8
AD7
AD6
PO7
VSS
AD13
AD14
WR
AD16
AD15
IO0
PRAM256WORD
40bit
IO1
VSS
VSSX
X0 X1 VDDX
(2.5
V)
CKI,A
CKO
VDDP
VCOI
PDO
VSSP
IO7
IO6
IO5
VDD(
2.5V
)
IO4
IO3
IO2
/RESET
MIMD
AD0
AD1
MIDIO(I2C SDA)
MICK(I2C SCL)
AD2
SDD
AD3
AD4
SDIO
BCKIA
LRCKIA
AD5
CE
VDDT(3.3V)
I-BUS
AD12
AD11
VSSR
(2.5
GND)
TEST
P
RO
VDD(
2.5V
)
STAN
BY
X-BU
S
Y-BU
S
43
MEX-5DI
IC4 W24L010AT-12-EL15
IC101 SAA6588T/V2
17A3
18A2
19A1
20A0
21DQ1
22DQ2
23DQ3
24GND
25IO4
26IO5
27IO6
28IO7
29IO8
30CS1
31A10
32OE
DECODER
CORE ARRAY
DATA I/O
CONTROL
16A4
15A5
14A6
13A7
12A12
11A14
10A16
9NC
8VDD
7A15
6CS2
5WE
4A13
3A8
2A9
1A11
SCOU
T
MRO
MPT
H
TCON
OSCO
OSCI
VSSD
VDDD
DAVN SD
A
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSW
N
SCL
21 6
15 111316 14 12
INTERFACEREGISTER
SIGNAL QUALITYDECODER
CLOCKEDCOMPARATOR
POWER SUPPLY& RESET
TESTCONTROL
OSCILLATOR& CLOCK
PAUSEDETECTORMULTI
PATHDETECTOR
57kHz8th ORDER
BAND-PASS FILTER
RDS/RDBSDECODER
RDS/RDBSDEMODULATOR
IIC BUS SLAVETRANSCEIVER
1718
CIN
19
LVIN
20
87
DATA
CLOCK
DATA
CLOCK
44
5
9 103 4 5
44
MEX-5DI
IC301 TDA7406T
33
3435
363738
39
4041424344
1 2 3 4 5 6 7 8 9 10 11
28 2730 2932 31
SOFT STEPFADER
SOFT STEPFADER
SOFT STEPFADER
SUBWOOFERFILTER
MONOFADER
MIXER
OUTPUT SELECTOR
HIGH PASS
SOFT STEPVOLUME
7BANDEQUALIZER
SOFT MUTE
BEEP
PAUSEPLL
PIL, DET
LOUDNESS
SPECTRUMANALIZER
IN GAIN+ AUTOZERO
MAIN SOURCESELECTOR
MIXINGSELECTOR
IIC-BUS
DIGITALCONTROL
DEMODULATOR+STEREO ADJUST+STEREO BLEND
PILOTCANCELLATION
MULTIPATH
DETECTOR
AM/FMNOISE
BLANKER
PULSEFORMER
SUPPLY
25kHzLP
86kHzLP
STDIN GAIN
S & H
HIGH OUT
QUAL.
A/D
12
13
14
15
16
18
19
22
2120
INPUT MULTIPLEXER
XR R
AUX
RPD
–AU
X L
PAUS
E
PHON
ETI
MNA
VI
AM/M
PX2
AMIF
CMPX
XR LMDLMDRCDRCDL
CREF
AC OUTLSWACOUT
ACOUTR
ACINRSWIN
ACIN
LM
IXIN
LFM
IXIN
LRM
IXIN
RRM
IXIN
RF
OUTL
FOU
TLR
OUTR
FOU
TRR
OUTS
W
SAOU
T
26 25 24 23
MPX1
LEVEL
MP IN
MP OUT
QUAL
17 SM
DGND
SDA
SCLSACLK
VDDCREF
45
MEX-5DI
IC702 LB1930MIC703 LB1930M
IC601 BA8270F
IC801 TL1451ACDBIC802 TL1451ACDB
IC206 RRX9000-0601#1
1
2
3
456
7 8
9
10
14
131211
BUS ONSWITCH
RESETSWITCH
BATTERYSWITCH
BUS ON
RST
BATT
CLKVREF
GND
VCC
RESETBUS ONCLK INBU IN
DATA IN
DATA OUT
DATA
REFERENCEVOLTAGE
LATCH
TRIANGLEOSCILLATOR
VERF.+2.5V
+2.5V
+–
U.V.L.O
–+
+–
1 2 3 4 5 6 7 8
91016 15 14 13 12 11
PWMCOMPA-RATOR2
OUTPUT2
OUTPUT1
GND
PWMCOMPA-RATOR1
VERF
S R R
VERFVERF
ERRORAMP2
ERRORAMP1
VREF/2
SHORTCIRCUIT
PROTECTIONCOMPARATOR
VCC
+
REFO
SCP
INA2
INB2
FB2
DTC2
OUT2
VCC
GND
OUT1RT
INA1
INB1 FB
1
DTC1CT
16
1 2 3 4 5 6 7 8
15 14 13 11 1012 9L IN
L IN GNDL
V STBY VCC NC NC VPO NC
GND A V IN V AGC LNS VCO NCGND
C
INPUTSLAGE
320kHz
AGC
320kHz/500kHz PULSE
COUNTER
PULSEFORMER
NOISESUPPRESSION
BANDGAPREFERENCE
12
3
4
5 6
789
10VCC
RIN
SGND
FIN
NCNC
OUT2NC
PGND
OUT1CONTROLCIRCUIT
MOTORDRIVE
CIRCUIT
BUFFER
BUFFER