Pioneer-GMX324 424 Caramp

ORDER NO.

CRT2168

ServiceManual

BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE, PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880

C PIONEER ELECTRONIC CORPORATION 1998 K-ZEU. JAN. 1998 Printed in Japan

GM-X424 X1R/UC, ES, EW

CONTENTS

1. SAFETY INFORMATION ............................................1

2. EXPLODED VIEWS AND PARTS LIST .......................2

3. SCHEMATIC DIAGRAM .............................................6

4. PCB CONNECTION DIAGRAM ..................................8

5. ELECTRICAL PARTS LIST ........................................12

6. ADJUSTMENT..........................................................16

7. GENERAL INFORMATION .......................................16

7.1 DISASSEMBLY ...................................................16

8. OPERATIONS AND SPECIFICATIONS.....................17

1. SAFETY INFORMATION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely, you should mot risk trying to do soand refer the repair to a qualified service technician.

UC model

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do soand refer the repair to a qualified service technician.

WARNING

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-cant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skincontact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

GM-X324 X1R/UC

2

GM-X424, GM-X324

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

1 Contain Box See Contrast table (2)2 Carton See Contrast table (2)3 Protector HHP00204 Polyethylene Bag HEG00095 Screw(x4) BYC40P180FZK

6 Polyethylene Bag HEG00117 Terminal(x8) See Contrast table (2)8 Cord Assy See Contrast table (2)

9-1 Owner’s Manual See Contrast table (2)9-2 Owner’s Manual See Contrast table (2)

* 9-3 Warranty Card See Contrast table (2)* 9-4 Caution Card See Contrast table (2)* 9-5 Card See Contrast table (2)

(1) PACKING SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

NOTE:

- Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List.

- Screws adjacent to ∇ mark on the product are used for disassembly.

Fig. 1

3

GM-X424, GM-X324

(2) CONTRAST TABLEGM-X424/X1R/UC, GM-X424/X1R/ES, GM-X424/X1R/EW and GM-X324/X1R/UC are constructed the same except for thefollowing:

Part No.GM-X424 GM-X324

Mark No. Symbol and Description X1R/UC X1R/ES X1R/EW X1R/UC1 Contain Box HHL0142 HHL0143 HHL0144 HHL01412 Carton HHG0142 HHG0143 HHG0144 HHG01417 Terminal(x8) HKC0001 HKC0003 HKC0003 HKC00038 Cord Assy Not used HDE4419 HDE4419 Not used

9-1 Owner’s Manual HRD0052 HRD0050 HRD0055 HRD0054

9-2 Owner’s Manual Not used HRD0053 Not used Not used* 9-3 Warranty Card HRY1070 Not used HRY1087 Not used* 9-4 Caution Card HRP0006 Not used Not used Not used* 9-5 Card Not used Not used Not used ARY1048

- Owner's Manual

Model Part No. Language

GM-X424/X1R/UC HRD0052 English, French

GM-X424/X1R/ES HRD0050 English, Spanish

HRD0053 Arabic, Portuguese(B)

GM-X424/X1R/EW HRD0055 English, French, German, Dutch, Spanish, Italian

GM-X324/X1R/UC HRD0054 English, French

4

GM-X424, GM-X324

2.2 EXTERIOR

Fig. 2

5

GM-X424, GM-X324

1 Screw BSZ30P050FZK2 Screw(M3x6) CBA13203 Screw(M3x12) CBA13234 Screw CBA13825 Screw HBA0006

6 Panel See Contrast table (2)7 Case HNB00158 Panel See Contrast table (2)9 Heat Sink See Contrast table (2)

10 Spacer HNV3975

11 Amp Unit See Contrast table (2)12 Screw BMS30P060FZK13 Screw BMS30P080FMC14 Connector(CN854) HDE521215 Plug(CN863) CKS1618

16 Clamper HNV000617 Cord(CN901) HDC103018 Cord(CN602) HDE461019 Bass Bar HNC001420 Holder HNC5538

21 Holder HNC554022 Holder HNC554123 Holder HNC584124 Heat Sink(Sub Heat Sink) HNR005025 Heat Sink(Sub Heat Sink) HNR0052

26 Clamper HNV000327 Holder HNV000528 Pin Jack(CN852) See Contrast table (2)29 Pin Jack(CN851) See Contrast table (2)30 Terminal(CN601) See Contrast table (2)

31 Terminal(CN303) See Contrast table (2)32 Holder HNC000633 Screw PPZ30P060FZK34 Plate Unit See Contrast table (2)35 Fuse(FU999)(25A) HEK0025

36 Holder CNC539937 Diode(D609) RBV-602L38 Thermistor(TH603) CCX101339 FET(Q610-613) IRFIZ44N40 Transistor(Q313-316) 2SD2343

41 Transistor(Q329-332) 2SB158742 Transistor(Q325-328) 2SD243843 Cord Assy See Contrast table (2)44 Special Red Battery Wire See Contrast table (2)45 Fuse(30A) See Contrast table (2)

46 Ground Wire(Black) See Contrast table (2)47 •••••48 System Remote Control See Contrast table (2)49 Badge Unit See Contrast table (2)50 Light Pipe Unit HXA0182

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

(2) CONTRAST TABLEGM-X424/X1R/UC, GM-X424/X1R/ES, GM-X424/X1R/EW and GM-X324/X1R/UC are constructed the same except for thefollowing:

Part No.GM-X424 GM-X324

Mark No. Symbol and Description X1R/UC X1R/ES X1R/EW X1R/UC6 Panel HNB0053 HNB0071 HNB0071 HNB00548 Panel HNB0048 HNB0070 HNB0070 HNB00499 Heat Sink HNR0091 HNR0098 HNR0098 HNR0095

11 Amp Unit HWH0054 HWH0052 HWH0051 HWH005328 Pin Jack(CN852) HKB0002 HKB0001 HKB0001 Not used

29 Pin Jack(CN851) HKB0004 HKB0003 HKB0003 HKB000330 Terminal(CN601) HKE0002 HKE0001 HKE0001 HKE000131 Terminal(CN303) HKE0006 HKE0005 HKE0005 HKE000534 Plate Unit HXA0165 HXA0162 HXA0162 HXA016243 Cord Assy Not used HDE4419 HDE4419 Not used

44 Special Red Battery Wire Not used HDE4423 HDE4423 Not used45 Fuse(30A) Not used HEK0030 HEK0030 Not used46 Ground Wire(Black) Not used HDE4455 HDE4455 Not used48 System Remote Control Not used HDE0007 HDE0007 Not used49 Badge Unit HXA0168 HXA0164 HXA0164 HXA0164

GM-X424, GM-X324

A

1 2 3 4

B

C

D

1 2 3 4

GM

-X42

4 o

nly

R179, 180 : GM-X324 onlyVR153 : GM-X424 only

S601, R641 : ES and EW models only

A

B

MOTHER PCB

A Lch

A Rch

B Lch

B Rch

ISOLATOR PCB

THRU-PUT

LPF / HPFBASS

ISOLATOR

ISOLATOR

FLAT A

FLAT A

SWITCHING CONTROL

OVER VOLTADETECTOR

THERMO-DETECTOR

DC-DC CONVERTER

HPF

AMP UNITConsists of MOTHER PCB ISOLATOR PCB

: AUDIO SIGNAL

SIGNAL ROUTE

3. SCHEMATIC DIAGRAM

Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS

LIST".

6 A B

7

GM-X424, GM-X3245 6 7 8

A

B

C

D

5 6 7 8

4R7/50

4R7/50

22/5

0

ES and EWmodels only

BASS BOOST

BUFFER AMP

PRE DRIVER POWER AMP

OVER CURRENTDETECTOR

OVER VOLTAGEDETECTOR

POWERDETECTOR

OVERCURRENT

PROTECTOR&

OVERVOLTAGE

PROTECTOR

POWER CONTROL / MUTE

FLAT AMP

MUTE

MUTE

FLAT AMP

R VOLTAGETETECTOR

GROUND WIRE

BATTERY WIRE

SYSTEM REMOTECONTROL

Fig. 3

A

GM-X424, GM-X324

A

1 2 3 4

B

C

D

1 2 3 4

4. PCB CONNECTION DIAGRAM

CapacitorConnector

P.C.Board Chip Part

SIDE A

SIDE B

2. Viewpoint of PCB diagrams

B8 A

ADJ

G

A MOTHER PCB

A CN854

A CN854

B ISOLATOR PCB

NOTE FOR PCB DIAGRAMS

1. The parts mounted on this PCB

include all necessary parts for

several destination.

For further information for

respective destinations, be sure

to check with the schematic dia-

gram.

9

GM-X424, GM-X3245 6 7 8

A

B

C

D

5 6 7 8

SIDE A

A

CN601

1

2

3

4

5

IN

OUT

G G G G

CORD ASSY

CN861, CN862B

Fig. 4

10

GM-X424, GM-X324

A

1 2 3 4

B

C

D

1 2 3 4

A MOTHER PCB

A

11

GM-X424, GM-X3245 6 7 8

A

B

C

D

5 6 7 8

SIDE B

A B

B ISOLATOR PCB

Fig. 5

GM-X424/X1R/UC

AMP UNIT

Consists of

MOTHER PCB

ISOLATOR PCB

Unit Number : HWH0054Unit Name : Amp Unit

MISCELLANEOUS

IC 121 IC UPC4570HAIC 122 IC UPC4570HAIC 123 IC UPC4570HAIC 151 IC UPC4570HAIC 152 IC UPC4570HA

IC 301 IC UPC4570CIC 302 IC UPC4570CIC 601 IC TA8194ZIC 602 IC UPC494CIC 851 IC UPC4570C

IC 852 IC UPC4570CIC 853 IC UPC4570CIC 854 IC UPC4570CQ 151 Transistor 2SC2712Q 152 Transistor 2SC2712

Q 201 Transistor 2SC2458Q 202 Transistor 2SC2458Q 203 Transistor 2SC2458Q 204 Transistor 2SC2458Q 205 Transistor 2SA1048

Q 301 Transistor 2SK330Q 302 Transistor 2SK330Q 303 Transistor 2SK330Q 304 Transistor 2SK330Q 305 Transistor 2SA1145

Q 306 Transistor 2SA1145Q 307 Transistor 2SA1145Q 308 Transistor 2SA1145Q 309 Transistor 2SC2705Q 310 Transistor 2SC2705

Q 311 Transistor 2SC2705Q 312 Transistor 2SC2705Q 313 Transistor 2SD2343Q 314 Transistor 2SD2343Q 315 Transistor 2SD2343

Q 316 Transistor 2SD2343Q 325 Transistor 2SD2438Q 326 Transistor 2SD2438Q 327 Transistor 2SD2438Q 328 Transistor 2SD2438

Q 329 Transistor 2SB1587Q 330 Transistor 2SB1587Q 331 Transistor 2SB1587Q 332 Transistor 2SB1587Q 601 Transistor 2SC2458

Q 602 Transistor 2SA1048Q 603 Transistor 2SB1243Q 604 Transistor 2SA1048Q 605 Transistor 2SC2458Q 606 Transistor 2SD1919

Q 607 Transistor 2SD1919Q 608 Transistor 2SB1277Q 609 Transistor 2SB1277Q 610 FET IRFIZ44NQ 611 FET IRFIZ44N

Q 612 FET IRFIZ44NQ 613 FET IRFIZ44NQ 614 Transistor 2SD2395Q 615 Transistor 2SB1566Q 901 Transistor 2SD1768S

Q 902 Transistor 2SD1768SQ 903 Transistor 2SD1768SQ 904 Transistor 2SD1768SQ 905 Transistor 2SA1048Q 906 Transistor 2SC2458

Q 907 Transistor 2SC2458Q 908 Transistor 2SC2458Q 909 Transistor 2SA1048D 601 Diode RM4ZD 602 Diode HZS7L(B2)

D 603 Diode 1SS133D 604 Diode HZS7L(A2)D 605 Diode HZS18L(3)D 606 Diode 1SS133D 608 Diode 1SS133

D 609 Diode RBV-602LD 610 Diode 1SS133D 611 Diode HZS16L(1)D 612 Diode HZS16L(1)D 901 Diode 1SS133

D 902 Diode 1SS133D 903 Diode 1SS133D 904 Diode 1SS133D 909 Diode 1SS133D 910 Diode 1SS133

D 912 LED BR4361FL 601 Choke Coil 50H CTH1142L 851 Ferri-Inductor CTF1007L 852 Ferri-Inductor CTF1007L 853 Ferri-Inductor CTF1007

L 854 Ferri-Inductor CTF1007T 601 Transformer HTT1035TH 601 Thermistor CCX1009TH 603 Thermistor CCX1013TH 604 Thermistor CCX1035

12

GM-X424, GM-X324

5. ELECTRICAL PARTS LIST

NOTE:

- Parts whose parts numbers are omitted are subject to being not supplied.

- The part numbers shown below indicate chip components.

Chip Resistor

RS1/_S___J,RS1/__S___J

Chip Capacitor (except for CQS.....)

CKS....., CCS....., CSZS.....

=====Circuit Symbol and No.===Part Name Part No.--- ------ --------------------------------------------- -------------------------


A B

S 101 Switch CSH1029S 102 Switch CSH1021S 851 Switch CSH1021VR 151 Volume 10kΩ(C) CCS1240VR 153 Volume 50kΩ(C) CCS1242

VR 201 Volume 10kΩ(A) CCS1241VR 202 Volume 10kΩ(A) CCS1241FU 999 Fuse HEK0025

RESISTORS

R 121 RS1/10S153JR 122 RS1/10S153JR 123 RS1/10S123JR 124 RS1/10S123JR 125 RS1/10S153J








R 191 RS1/8S0R0JR 201 RS1/10S472JR 202 RS1/10S472JR 203 RS1/10S472JR 204 RS1/10S472J





R 315 RS1/10S333JR 316 RS1/10S333JR 317 RD1/4PU153JR 318 RD1/4PU153JR 319 RD1/4PU153J

R 320 RD1/4PU153JR 321 RD1/4PU153JR 322 RD1/4PU153JR 323 RD1/4PU153JR 324 RD1/4PU153J









R 365 RD1/4PU681JR 366 RD1/4PU681JR 367 RD1/4PU681JR 368 RD1/4PU681JR 377 0.22Ω CCN1013

13

GM-X424, GM-X324



R 378 0.22Ω CCN1013R 379 0.22Ω CCN1013R 380 0.22Ω CCN1013R 381 0.22Ω CCN1013R 382 0.22Ω CCN1013



R 393 RS1/2PMF100JR 394 RS1/2PMF100JR 395 RS1/2PMF100JR 396 RS1/2PMF100JR 601 RD1/4PU473J


R 607 RS1/10S104JR 608 RD1/4PU102JR 609 RD1/4PU221JR 610 RS1/10S183JR 611 RS1/10S472J

R 612 RS1/10S103JR 613 RD1/4PU102JR 614 RD1/4PU102JR 615 RS1/10S102JR 616 RD1/4PU153J


R 622 RD1/4PU272JR 624 RS1/2PMF560JR 625 RS1/2PMF560JR 626 RS1/10S472JR 627 RS1/10S472J

R 628 RS1/2PMF560JR 629 RS1/2PMF560JR 630 RS1/2PMF220JR 631 RS1/2PMF220JR 632 RS1/2PMF220J


R 642 RD1/4PU272JR 643 RS1/8S102JR 851 RS1/10S471JR 852 RS1/10S471JR 853 RS1/10S471J


R 859 RN1/10SE1002DR 860 RN1/10SE1002DR 861 RN1/10SE1002DR 862 RN1/10SE1002DR 863 RN1/10SE1002D

R 864 RN1/10SE1002DR 865 RN1/10SE1002DR 866 RN1/10SE1002DR 867 RS1/10S104JR 868 RS1/10S104J

R 869 RS1/10S104JR 870 RS1/10S104JR 871 RN1/10SE1002DR 872 RN1/10SE1002DR 873 RN1/10SE1002D

R 874 RN1/10SE1002DR 875 RN1/10SE1002DR 876 RN1/10SE1002DR 877 RN1/10SE1002DR 878 RN1/10SE1002D

R 894 RS1/8S0R0JR 898 RS1/10S0R0JR 901 RS1/10S393JR 902 RS1/10S393JR 903 RS1/10S393J


R 909 RS1/10S104JR 910 RS1/10S104JR 911 RS1/10S104JR 912 RS1/10S104JR 917 RD1/4PU104J



CAPACITORS

C 121 CKSYB474K16C 122 CKSYB474K16C 123 CFTNA124J50C 124 CFTNA124J50C 125 CKSYB273K25

C 126 CKSYB273K25C 127 CFTNA124J50C 128 CFTNA124J50C 131 CKSYB184K16C 132 CKSYB184K16

C 135 CFTNA124J50C 136 CFTNA124J50C 137 CFTNA124J50C 138 CFTNA124J50C 151 CEAS4R7M50

C 152 CEAS4R7M50C 155 CKSYB224K16C 156 CKSYB224K16C 159 CCSQCH330J50C 160 CCSQCH330J50

14

GM-X424, GM-X324



C 163 CKSQYB473K25C 164 CKSQYB473K25C 301 CEAS471M10C 302 CEAS471M10C 303 CEAS471M10

C 304 CEAS471M10C 305 CCSQCH330J50C 306 CCSQCH330J50C 307 CCSQCH330J50C 308 CCSQCH330J50

C 309 CFTNA224J50C 310 CFTNA224J50C 311 CFTNA224J50C 312 CFTNA224J50C 313 CFTNA224J50

C 314 CFTNA224J50C 315 CFTNA224J50C 316 CFTNA224J50C 317 CCSQCH390J50C 318 CCSQCH390J50

C 319 CCSQCH390J50C 320 CCSQCH390J50C 321 CCSQCH390J50C 322 CCSQCH390J50C 323 CCSQCH390J50

C 324 CCSQCH390J50C 325 CCSQCH330J50C 326 CCSQCH330J50C 327 CCSQCH330J50C 328 CCSQCH330J50

C 329 CCSCH330J50C 330 CCSCH330J50C 331 CCSCH330J50C 332 CCSCH330J50C 337 CCCSL101J50

C 338 CCCSL101J50C 339 CCCSL101J50C 340 CCCSL101J50C 341 CCCSL101J50C 342 CCCSL101J50

C 343 CCCSL101J50C 344 CCCSL101J50C 345 CFTNA333J50C 346 CFTNA333J50C 347 CFTNA333J50

C 348 CFTNA333J50C 349 CKSQYB102K50C 350 CKSQYB102K50C 351 CKSQYB102K50C 352 CKSQYB102K50

C 602 CFTNA105J50C 603 CFTNA103J50C 604 470µF/16V CCH1183C 605 CEAS470M16C 606 CEAS220M50

C 607 CEAS221M10C 608 CEAS2R2M50C 609 CQMA102J50C 610 CEAS1R0M50C 611 CEAS470M16

C 612 3300µF/16V CCH1130C 613 3300µF/16V CCH1130C 615 CQMA332J50C 616 CQMA332J50C 617 CQMA102J50

C 618 3300µF/35V CCH1200C 619 3300µF/35V CCH1200C 620 3300µF/35V CCH1200C 621 3300µF/35V CCH1200C 626 CEAS221M35

C 627 CEAS221M35C 628 CEAS100M50C 629 CEAS100M50C 630 CEAS470M16C 631 CEAS470M16

C 632 470µF/16V CCH1183C 634 CKSYB102K50C 635 CFTNA105J50C 636 CFTNA105J50C 637 CKSQYB473K16

C 638 CKSYB102K50C 639 CKSQYB102K50C 640 CKSQYB102K50C 851 CEAL100M16C 852 CEAL100M16

C 853 CEAL100M16C 854 CEAL100M16C 855 CKSQYB472K50C 856 CKSQYB472K50C 857 CKSQYB472K50

C 858 CKSQYB472K50C 859 CCSQCH470J50C 860 CCSQCH470J50C 861 CCSQCH470J50C 862 CCSQCH470J50

C 863 CCSQCH470J50C 864 CCSQCH470J50C 865 CCSQCH470J50C 866 CCSQCH470J50C 867 CKSQYB103K50

C 868 CKSQYB103K50C 869 CKSQYB103K50C 870 CKSQYB103K50C 875 CKSQYB471K50C 876 CKSQYB471K50

C 877 CKSQYB471K50C 878 CKSQYB471K50C 881 CCSSL101J50C 882 CCSSL101J50C 883 CCSSL101J50

C 884 CCSSL101J50C 901 220µF/10V CCH1036

GM-X424, GM-X324



GM-X424/X1R/UC, GM-X424/X1R/ES, GM-X424/X1R/EW and GM-X324/X1R/UC are constructed the same except for thefollowing:- Amp Unit

Part No.Symbol and Description GM-X424/X1R/UC GM-X424/X1R/ES GM-X424/X1R/EW GM-X324/X1R/UCS601 Switch Not used HSH-156 HSH-156 Not usedV153 Volume 50kΩ(C) CCS1242 CCS1242 CCS1242 Not usedR179, 180 Not used Not used Not used RD1/10S223JR641 Not used RD1/4PU105J RD1/4PU105J Not used

15

B

C

D

BC C

A

A

16

GM-X424, GM-X324

7. GENERAL INFORMATION

7.1 DISASSEMBLY

- Removing the Case and Panel

1. Remove six screws A, and then remove case.

2. Remove panel.

Panel

Case

Sub Heat Sink

Sub Heat Sink

Heat Sink

Amp Unit

Panel

- Removing the Amp Unit

Some silicone glue has been applied

between the Heat Sink and the Sub Heat

Sink. therefore, to remove the Amp Unit

from the Heat Sink.

1. Remove two screws D.

2. Remove Panel.

3. Remove six screws B and five screws C.

4. Use 2 pcs. of screw B and insert them into

the two holes marked with an arrow.

5. Alternately tighten them little by little until

the Sub Heat Sink separates from the Heat

Sink.

6. ADJUSTMENT

There is no information to be shown in this chapter.

Fig. 6

Fig. 7

GM-X424, GM-X324

8. OPERATIONS AND SPECIFICATIONS

- SETTING THE UNIT

Sp

eaker

Ou

t A

: LP

F (

Lo

w-P

ass F

ilte

r)/H

PF (

Hig

h-P

ass F

ilte

r)

Sele

ct

Sw

itch

Set t

he L

PF/H

PF s

elec

t sw

itch

as f

ollo

ws

acco

rdin

g to

the

type

of

the

spea

ker

that

is c

onne

cted

to th

e sp

eake

r ou

tput

con

nect

or a

nd th

e ca

rst

ereo

sys

tem

:

LP

F/H

PF

Sel

ect

Aud

io f

requ

ency

ran

geSp

eake

rR

emar

ks

Swit

chto

be

outp

utT

ype

LPF

(lef

t)V

ery-

low

-fre

quen

cy r

ange

Sub-

woo

fer

Con

nect

a s

ub-w

oofe

r.

OFF

(cen

ter)

Full

rang

eFu

ll ra

nge

HPF

(rig

ht)

Low

-fre

quen

cy r

ange

to

Tw

eete

rIf

you

wan

t to

cut t

he v

ery-

high

-fre

quen

cy r

ange

low

-fre

quen

cy r

ange

beca

use

it is

not

nec

essa

ry

for

the

spea

ker

you

use.

Ga

in C

on

tro

l

Adj

ustin

g th

e ga

in c

ontr

ols

A a

nd B

will

help

mat

ch th

e ou

tput

of

the

car

ster

eoto

the

Pion

eer

ampl

ifie

r. N

orm

ally

, set

the

switc

h to

the

“NO

RM

AL

” po

sitio

n.If

the

outp

ut is

low

eve

n w

hen

the

vol-

ume

of th

e ca

r st

ereo

is tu

rned

up,

turn

thes

e co

ntro

ls c

lock

wis

e. I

f th

ere

is d

is-

tort

ion

whe

n th

e vo

lum

e of

the

car

ster

eo is

turn

ed u

p, tu

rn th

ese

cont

rols

coun

ter-

cloc

kwis

e.•

If y

ou o

nly

use

one

inpu

t plu

g, s

et th

e ga

inco

ntro

ls f

or s

peak

er o

utpu

ts A

and

B to

the

sam

e po

sitio

n.•

Set t

he g

ain

cont

rol t

o “N

OR

MA

L”

whe

nth

is a

mpl

ifie

r is

con

nect

ed to

a P

ione

er c

arst

ereo

with

RC

A o

utpu

t jac

ks. I

f th

e so

und

is to

o lo

w o

r di

stor

ts, a

djus

t the

gai

n co

n-tr

ol.

RC

A I

np

ut

Se

lect

Sw

itch

For

two-

chan

nel i

nput

, slid

e th

is s

witc

hto

the

left

. For

fou

r-ch

anne

l inp

ut, s

lide

this

sw

itch

to th

e ri

ght.

Po

we

r In

dic

ato

r

The

pow

er in

dica

tor

light

s w

hen

the

pow

er is

sw

itche

d on

.

Sp

ea

ke

r O

ut

A:

Ba

ss B

oo

st

Le

ve

l C

on

tro

l

Bas

s bo

ost l

evel

con

trol

can

boo

st th

ele

vel a

roun

d th

e fr

eque

ncy

sele

cted

by

the

bass

boo

st f

requ

ency

con

trol

to 0

to12

dB

.

Sp

ea

ke

r O

ut

A:

Ba

ss B

oo

st

Fre

qu

en

cy

Co

ntr

ol

(GM

-X4

24

)

You

can

sel

ect a

bas

s bo

ost f

requ

ency

from

40

to 1

20 H

z w

ith th

e ba

ss b

oost

cont

rol.

•B

ass

Boo

st L

evel

Con

trol

, Bas

s B

oost

Freq

uenc

y C

ontr

ol c

an b

e ad

just

ed o

nly

whe

n th

e L

PF/H

PF s

elec

t sw

itch

is s

et to

apo

sitio

n ot

her

than

HPF

.

Sp

ea

ke

r O

ut

B:

HP

F (

Hig

h-P

ass F

ilte

r) S

ele

ct

Sw

itch

Set t

he H

PF s

elec

t sw

itch

as f

ollo

ws

acco

rdin

g to

the

car

ster

eo s

yste

man

d th

e ty

pe o

f th

e sp

eake

r th

at is

con

nect

ed to

the

spea

ker

outp

ut:

HP

F S

elec

tA

udio

fre

quen

cy r

ange

Spea

ker

Rem

arks

Swit

chto

be

outp

utT

ype

OFF

(lef

t)Fu

ll ra

nge

Full

rang

e

HPF

(rig

ht)

Low

-fre

quen

cy r

ange

to

Tw

eete

rIf

you

wan

t to

cut t

he v

ery-

high

-fre

quen

cy r

ange

low

-fre

quen

cy r

ange

be

caus

e it

is n

ot n

eces

sary

fo

r th

e sp

eake

r yo

u us

e.

BFC

(B

eat

Fre

qu

en

cy C

on

tro

l)

Sw

itch

(ES

an

d E

W m

od

els

)

If y

ou h

ear

a be

at w

hile

list

enin

g to

an

AM

bro

adca

st w

ith y

our

car

ster

eo,

chan

ge th

e B

FC s

witc

h us

ing

a sm

all

scre

wdr

iver

.

17

Fig

. 8

18

GM-X424, GM-X324

-C

ON

NE

CT

ION

DIA

GR

AM

(1)

GM

-X424/X

1R

/UC

(2)

GM

-X424/X

1R

/ES

, G

M-X

424/X

1R

/EW

Fuse

(30

A)

Gro

mm

et

RC

A in

put

Spec

ial r

ed b

atte

ry w

ire

[RD

-222

] (s

old

sepa

rate

ly).

Aft

er m

akin

g al

l oth

er c

onne

ctio

ns a

t the

am

plif

ier,

conn

ect t

he b

atte

ry w

ire

term

inal

of

the

ampl

ifie

r to

the

posi

tive

(+)

term

inal

of

the

batte

ry.

Gro

und

wir

e (b

lack

) [R

D-2

22]

(sol

d se

para

tely

).C

onne

ct to

met

al b

ody

or c

hass

is.

Am

plif

ier

with

RC

A in

put j

acks

Fuse

(25

A)

Car

ste

reo

with

RC

A o

utpu

t jac

ks

Ext

erna

l Out

put

For

deta

ils o

n ho

w to

con

nect

to R

CA

inpu

t jac

ks A

and

B,s

ee th

e“C

onne

ctin

g th

e Sp

eake

rs a

nd I

nput

wir

es”

sect

ion.

If o

nly

inpu

t pin

plu

g,do

not

con

nect

anyt

hing

to R

CA

inpu

t jac

k B

.

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly).

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly).

RC

A in

put j

ack

A,B

RC

A o

utpu

tja

ck

Spea

ker

outp

ut te

rmin

alSe

e th

e “C

onne

ctin

g th

eSp

eake

rs a

nd I

nput

wir

es”

sect

ion

for

spea

ker

conn

ectio

nin

stru

ctio

ns.

Blu

eC

onne

ct th

e m

ale

term

inal

of

this

wir

e to

the

blue

wir

e of

the

car

ster

eo (

SYST

EM

RE

MO

TE

CO

NT

RO

L).

The

fem

ale

term

inal

can

be

conn

ecte

d to

the

auto

-ant

enna

rel

ayco

ntro

l ter

min

al. I

f th

e ca

r st

ereo

doe

s no

t hav

e a

syst

emre

mot

e co

ntro

l ter

min

al,c

onne

ct th

e m

ale

term

inal

to th

epo

wer

term

inal

thro

ugh

the

igni

tion

switc

h.

Fuse

(30

A)

Gro

mm

et

RC

A in

put

Spec

ial r

ed b

atte

ry w

ire

Aft

er m

akin

g al

l oth

er c

onne

ctio

ns a

t the

am

plif

ier,

conn

ect t

he b

atte

ry w

ire

term

inal

of

the

ampl

ifie

r to

the

posi

tive

(+)

term

inal

of

the

batte

ry.

Gro

und

wir

e (b

lack

)C

onne

ct to

met

al b

ody

or c

hass

is.

Am

plif

ier

with

RC

A in

put j

acks

Fuse

(25

A)

Car

ste

reo

with

RC

A o

utpu

t jac

ks

Ext

erna

l Out

put

For

deta

ils o

n ho

w to

con

nect

to R

CA

inpu

t jac

ks A

and

B, s

ee th

e“C

onne

ctin

g th

e Sp

eake

rs a

nd I

nput

wir

es”

sect

ion.

If o

nly

inpu

t pin

plu

g, d

o no

t con

nect

anyt

hing

to R

CA

inpu

t jac

k B

.

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly)

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly)

RC

A in

put j

ack

A, B

RC

A o

utpu

tja

ck

Spea

ker

outp

ut te

rmin

alSe

e th

e “C

onne

ctin

g th

eSp

eake

rs a

nd I

nput

wir

es”

sect

ion

for

spea

ker

conn

ectio

nin

stru

ctio

ns.

Blu

eC

onne

ct th

e m

ale

term

inal

of

this

wir

e to

the

blue

wir

e of

the

car

ster

eo (

SYST

EM

RE

MO

TE

CO

NT

RO

L).

The

fem

ale

term

inal

can

be

conn

ecte

d to

the

auto

-ant

enna

rel

ay c

ontr

ol te

rmin

al. I

f th

e ca

r st

ereo

does

not

hav

e a

syst

em r

emot

e co

ntro

l ter

min

al, c

onne

ct th

e m

ale

ter-

min

al to

the

pow

er te

rmin

al th

roug

h th

e ig

nitio

n sw

itch.

Fig

. 9Fi

g. 1

0

GM-X424, GM-X324

Fuse

(30

A)

Gro

mm

etSp

ecia

l red

bat

tery

wir

e [R

D-2

22]

(sol

d se

para

tely

).A

fter

mak

ing

all o

ther

con

nect

ions

at t

he a

mpl

ifie

r,co

nnec

t the

bat

tery

wir

e te

rmin

al o

f th

e am

plif

ier

toth

e po

sitiv

e (+

) te

rmin

al o

f th

e ba

ttery

.

Gro

und

wir

e (b

lack

) [R

D-2

22]

(sol

d se

para

tely

).C

onne

ct to

met

al b

ody

or c

hass

is.

Fuse

(25

A)

Car

ste

reo

with

RC

A o

utpu

t jac

ks

Ext

erna

l Out

put

For

deta

ils o

n ho

w to

con

nect

to R

CA

inpu

t jac

ks A

and

B,s

ee th

e“C

onne

ctin

g th

e Sp

eake

rs a

nd I

nput

wir

es”

sect

ion.

If o

nly

inpu

t pin

plu

g,do

not

con

nect

anyt

hing

to R

CA

inpu

t jac

k B

.

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly).

Con

nect

ing

wir

es w

ith R

CA

pin

plug

s(s

old

sepa

rate

ly).

RC

A in

put j

ack

A,B

Spea

ker

outp

ut te

rmin

alSe

e th

e “C

onne

ctin

g th

eSp

eake

rs a

nd I

nput

wir

es”

sect

ion

for

spea

ker

conn

ectio

nin

stru

ctio

ns.

Blu

eC

onne

ct th

e m

ale

term

inal

of

this

wir

e to

the

blue

wir

e of

the

car

ster

eo (

SYST

EM

RE

MO

TE

CO

NT

RO

L).

The

fem

ale

term

inal

can

be

conn

ecte

d to

the

auto

-ant

enna

rel

ayco

ntro

l ter

min

al. I

f th

e ca

r st

ereo

doe

s no

t hav

e a

syst

emre

mot

e co

ntro

l ter

min

al,c

onne

ct th

e m

ale

term

inal

to th

epo

wer

term

inal

thro

ugh

the

igni

tion

switc

h.

(3)

GM

-X324/X

1R

/UC

•B

e su

re to

use

the

spec

ial r

ed b

atte

ry w

ire

supp

lied

with

the

ampl

ifie

r an

d co

nnec

t dir

ectly

to th

e ba

ttery

. Use

the

supp

lied

blac

k gr

ound

wir

ean

d co

nnec

t to

the

vehi

cle

body

.

1.P

ass

the

batt

ery

wir

e fr

om t

heen

gine

com

part

men

t to

the

inte

rior

of t

he v

ehic

le.

•A

fter

mak

ing

all o

ther

con

nect

ions

to th

e am

plif

ier,

con

nect

the

batte

ry w

ire

term

inal

of th

e am

plif

ier

to th

e po

sitiv

e (+

) te

rmin

al o

fth

e ba

ttery

.

2.C

onne

ct t

he w

ires

to

the

term

inal

.•

Fix

the

wir

es s

ecur

ely

with

the

term

inal

scre

ws.

1.E

xpos

e th

e en

d of

the

spe

aker

wir

esby

abo

ut 1

0 m

m a

nd t

wis

t it

usi

ngni

pper

s or

a c

utte

r.

2.A

ttac

h lu

gs t

o sp

eake

r w

ire

ends

.•

Use

plie

rs, e

tc.,

to c

rim

p lu

gs to

wir

es.

3.C

onne

ct t

he s

peak

er w

ires

to

the

spea

ker

outp

ut t

erm

inal

s.•

Fix

the

spea

ker

wir

es s

ecur

ely

with

the

term

i-na

l scr

ews.

10m

m

Fuse

(30

A)

Eng

ine

com

part

-m

ent

Inte

rior

of

the

vehi

cle

Dri

ll an

8-m

mho

le in

to th

eve

hicl

e bo

dy.

Inse

rt th

e O

-rin

g ru

bber

grom

met

into

the

vehi

cle

body

.

Posi

tive

term

inal

GN

D te

rmin

alPo

wer

term

inal

Bat

tery

wir

e

Syst

em r

emot

e co

ntro

l ter

min

al

Syst

em r

emot

e co

ntro

l wir

e(B

lue)

Gro

und

wir

e

Tw

ist

Spea

ker

outp

utte

rmin

alSp

eake

r w

ire

Ter

min

al s

crew

Spea

ker

wir

e

Lug

-C

ON

NE

CT

ING

TH

E P

OW

ER

TE

RM

INA

L

-C

ON

NE

CT

ING

TH

E S

PE

AK

ER

TE

RM

INA

LS

19

Fig

. 11

Fig

. 12

Fig

. 13

Fig

. 14

Fig

. 15

Fig

. 16

20

GM-X424, GM-X324

The

spe

aker

out

put m

ode

can

be f

our-

chan

nel,

thre

e-ch

anne

l (st

ereo

+m

ono)

or

two-

chan

nel (

ster

eo,m

ono)

. Con

nect

the

spea

kers

acc

ordi

ng to

figu

res

on th

e fo

llow

ing

page

s.

Fo

ur-

ch

an

nel

mo

de

Th

ree-c

han

nel

mo

de

RC

A I

nput

Sel

ect S

witc

hFo

r tw

o-ch

anne

l inp

ut,s

lide

this

sw

itch

toth

e le

ft. F

or f

our-

chan

nel i

nput

,slid

e th

issw

itch

to th

e ri

ght.

RC

A in

put j

ack

A

Spea

ker

out B

:Sp

eake

r (L

eft)

Spea

ker

out B

:Sp

eake

r (R

ight

)

Spea

ker

out A

:Sp

eake

r (R

ight

)

Spea

ker

out A

:Sp

eake

r (L

eft)

RC

A in

put j

ack

B

Con

nect

ing

wir

es w

ith R

CA

plug

s (s

old

sepa

rate

ly)

From

car

ste

reo

(RC

A o

utpu

t)If

onl

y on

e in

put p

lug

is u

sed,

such

as

whe

nth

e ca

r st

ereo

has

onl

y on

e ou

tput

(R

CA

out

-pu

t),c

onne

ct th

e pl

ug to

RC

A in

put A

,and

do n

ot c

onne

ct a

ny p

lug

to R

CA

inpu

t B.

RC

A in

put j

ack

A

Spea

ker

out B

:Sp

eake

r (L

eft)

Spea

ker

out B

:Sp

eake

r (R

ight

)

Spea

ker

out A

:Sp

eake

r (M

ono)

RC

A in

put j

ack

B

Con

nect

ing

wir

es w

ith R

CA

plug

s (s

old

sepa

rate

ly)

From

car

ste

reo

(RC

A o

utpu

t)If

onl

y on

e in

put p

lug

is u

sed,

such

as

whe

nth

e ca

r st

ereo

has

onl

y on

e ou

tput

(R

CA

out

-pu

t),c

onne

ct th

e pl

ug to

RC

A in

put A

,and

do n

ot c

onne

ct a

ny p

lug

to R

CA

inpu

t B.

RC

A I

nput

Sel

ect S

witc

hFo

r tw

o-ch

anne

l inp

ut,s

lide

this

sw

itch

toth

e le

ft. F

or f

our-

chan

nel i

nput

,slid

e th

issw

itch

to th

e ri

ght.

-C

ON

NE

CT

ING

TH

E S

PE

AK

ER

S A

ND

IN

PU

T W

IRE

S

Tw

o-c

han

nel

mo

de

(ste

reo

)

Tw

o-c

han

nel

mo

de

(mo

no

)

RC

A in

put j

ack

ASp

eake

r (R

ight

)

Spea

ker

(Lef

t)

Con

nect

ing

wir

e w

ith R

CA

plug

(so

ld s

epar

atel

y)

From

car

ste

reo

(RC

A o

utpu

t)RC

A I

nput

Sel

ect S

witc

hSl

ide

this

sw

itch

to th

e le

ft.

RC

A in

put j

ack

ASp

eake

r (M

ono)

Spea

ker

(Mon

o)

Con

nect

ing

wir

e w

ith R

CA

plug

(so

ld s

epar

atel

y)

From

car

ste

reo

(RC

A o

utpu

t)RC

A I

nput

Sel

ect S

witc

hSl

ide

this

sw

itch

to th

e le

ft.

Fig

. 17

Fig

. 18

Fig

. 19

Fig

. 20

21

GM-X424, GM-X324

Pow

er s

ourc

e...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

14.4

V D

C (1

0.8

— 1

5.1

Val

low

able

)G

roun

ding

sys

tem

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

..N

egat

ive

type

Cur

rent

con

sum

ptio

n...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.18

A (a

t con

tinuo

us p

ower

,4Ω

)A

vera

ge c

urre

nt d

raw

n*...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.5.5

A (4

Ωfo

r fou

r cha

nnel

s)10

A (4

Ωfo

r tw

o ch

anne

ls)

Fuse

.....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

25 A

Dim

ensi

ons

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

216

(W) ×

52 (H

) ×27

0 (D

) mm

[8-1

/2 (W

) ×2-

1/8

(H) ×

10-5

/8 (D

) in.

]W

eigh

t ...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

3.2

kg (7

.1 lb

s.) (

Lead

s fo

r wiri

ng n

ot in

clud

ed)

Max

imum

pow

er o

utpu

t ...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.60

W ×

4 / 1

40 W

×2

(EIA

J)C

ontin

uous

pow

er o

utpu

t (U

C a

nd E

S m

odel

s)

......

......

......

......

30 W

×4

(at 1

4.4V

,4 Ω

,20

— 2

0,00

0 H

z,0.

08%

TH

D)

70 W

×2

(at 1

4.4V

,4 Ω

,20

— 2

0,00

0 H

z,0.

8% T

HD

)35

W ×

4 (a

t 14.

4V,2

Ω,2

0 —

20,

000

Hz,

0.8%

TH

D)

Con

tinuo

us p

ower

out

put (

EW m

odel

) 40

W ×

4 / 9

0 W

×2

(DIN

4532

4,+B

=14.

4 V

)Lo

ad im

peda

nce

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

....4

Ω(2

— 8

Ωal

low

able

)(B

ridge

con

nect

ion:

4 —

8 Ω

allo

wab

le)

Freq

uenc

y re

spon

se .

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

10 —

50,

000

Hz

(+0

dB,–

1 dB

)Si

gnal

-to-n

oise

ratio

(UC

and

ES

mod

els)

...

......

......

......

......

......

......

......

......

......

......

......

......

......

.108

dB

(IH

F–A

net

wor

k)Si

gnal

-to-n

oise

ratio

(EW

mod

el) .

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.108

dB

(IEC

–A n

etw

ork)

Dis

torti

on .

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...0.

008%

(1W

,1 k

Hz)

Sepa

ratio

n ...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

65 d

B (1

kH

z)Lo

w p

ass

filte

r ...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

Cut

off

freq

uenc

y:80

Hz

Cut

off

slo

pe:–

18 d

B/o

ctH

igh

pass

filte

r ....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

....C

ut o

ff fr

eque

ncy:

80 H

zC

ut o

ff s

lope

:–12

dB

/oct

Bas

s bo

ost

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

..Fr

eque

ncy:

40 —

120

Hz

Gai

n:0

— 1

2 dB

Inpu

t lev

el /

impe

danc

e ...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...0.

4 —

4 V

/22

kΩ

Not

e:•

Spec

ific

atio

ns a

nd th

e de

sign

are

sub

ject

to p

ossi

ble

mod

ific

atio

n w

ithou

t not

ice

due

to im

prov

emen

ts.

*Ave

rage

cur

rent

dra

wn

•T

he a

vera

ge c

urre

nt d

raw

n is

nea

rly

the

max

imum

cur

rent

dra

wn

by th

is u

nit

whe

n an

aud

io s

igna

l is

inpu

t. U

se th

is v

alue

whe

n w

orki

ng o

ut to

tal c

urre

ntdr

awn

by m

ultip

le p

ower

am

plif

iers

.

-S

PE

CIF

ICA

TIO

NS

Documents

Pioneer-GMX324 424 Caramp