Pioneer GM-8437ZT Service Manual
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Pioneer GM-8437ZT Service Manual

Pioneer GM-8437ZT Service Manual

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3 7 63 1515 0
Service
Manual
POWER AMPLIFIER
GM-8437
VEHICLE
DESTINATION
CROWN
Singapore, Hong Kong,
Thailand, Indonesia
TE
L 13942296513
www
For details, refer to "Important symbols for good services".
.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC.
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2004
http://www.xiaoyu163.com
PRODUCED AFTER
December 2004
x
ao
u163
y
i
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
http://www.xiaoyu163.com
2 9
8
TOYOTA
GM-8437ZT/WL
ZT
TOYOTA PART No.
86280-30470
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
ORDER NO.
CRT3180
WL
ID No.
PIONEER MODEL No.
GM-8473ZT/WL
0 5
8
2 9
9 4
2 8
m
K-ZZB. APR. 2004 Printed in Japan
9 9
9 9

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Summary of Contents for Pioneer GM-8437ZT

  • Page 1: Service Manual

    PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2004 K-ZZB. APR. 2004 Printed in Japan http://www.xiaoyu163.com...

  • Page 2: Safety Information

    NOTE: - When diagnosing a product, take care of its heated portion. Power IC (IC802,803) Power Supply IC (IC901,902) DSP IC (IC301,311) u163 Heat Sink IC Holder GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 3: Table Of Contents

    Weight ....1348g L 13942296513 Maximum output power ..22W or more(Front) 11W or more(Center) 22W or more(Rear) 35W or more(Woofer) u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 4: Exploded Views And Parts List

    3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 5 17 Bracket CNC9890 18 Holder CNC9893 19 Holder CND1275 20 Sheet CNM7015 21 DSP Unit CWM8259 22 Socket(CN101) CKS4616 23 Socket(CN102) CKS4616 24 ASL Unit CWM8925 25 Connector(CN403) CKS4605 26 Screw IMS26P060FTC 27 IC(IC802,803) PAL006A 28 IC(IC902) BA178M05T u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 6: Block Diagram And Schematic Diagram

    VDD5 SYS8 NJM2930F08K SWITCHED 5V SYS4 Q905 SWDVDD VDD5 SYSPW1 Q102 SYSTEM POWER Q908 SYS1 SYS1 SWDVDD Q909 Q907 SPD1 SPD1 ASL1 SYS8 SPEED PULSE SENSE CN404 ASL UNIT CN403 u163 VR401 MIC401 Q401 IC401 IC402 NJM4580MD NJM4580MD GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 7 3 7 63 1515 0 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 8: Schematic Diagram(Guide Page)

    L 13942296513 ASL UNIT AMP ASSY BALANCE UNBALANCE AUDIO INPUT DIFFERENTIAL CD:+8.2dBs OPERATIONAL AMPLIFIER (1kHz, 0dB) (BALANCE) CD:+1.7dBs SIGNAL INPUT OFF CIRCUIT TO SUDDEN DECREASE VOLTAGE VOICE INTERRUPTION INPUT DIFFERENTIAL OPERATIONAL AMPLIFIER u163 GAIN ADJUSTMENT A B C GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 9 Decimal points for resistor No differentiation is made between chip resistors and and capacitor fixed values discrete resistors. are expressed as : ← Symbol indicates a capacitor. No differentiation is made between chip capacitors and ← 0.022 R022 discrete capacitors. GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 10 3 7 63 1515 0 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 11 3 7 63 1515 0 A-a B L 13942296513 u163 A-a B GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 12 3 7 63 1515 0 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 13 3 7 63 1515 0 L 13942296513 u163 A-a B GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 14: Pcb Connection Diagram

    1.The parts mounted on this PCB include all necessary parts for Capacitor Connector several destination. For further information for SIDE A respective destinations, be sure to check with the schematic dia- gram. SIDE B P.C.Board Chip Part DSP UNIT CN906 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 15 3 7 63 1515 0 SIDE A CN905 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 16 3 7 63 1515 0 DSP UNIT L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 17 3 7 63 1515 0 SIDE B L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 18: Amp Assy

    3 7 63 1515 0 4.2 AMP ASSY AMP ASSY CN101 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 19 3 7 63 1515 0 SIDE A CN102 L 13942296513 CN403 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 20 3 7 63 1515 0 AMP ASSY L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 21 3 7 63 1515 0 SIDE B L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 22: Asl Unit

    3 7 63 1515 0 4.3 ASL UNIT SIDE B ASL UNIT SIDE A ASL UNIT CN404 L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 23: Electrical Parts List

    RS1/16S102J RS1/16S102J Inductor LCTC1R0K2125 RS1/16S102J Inductor LCTC1R0K2125 Inductor LCTCR82K2125 RS1/16S102J Inductor LCTCR82K2125 RS1/16S102J Inductor LCTCR82K2125 RS1/16S102J RS1/16S102J Inductor LCTC1R0K3216 RS1/16S473J Inductor LCTC1R0K3216 Inductor LCTA2R2J2520 RS1/16S102J Inductor LCTA2R2J2520 u163 RS1/16S102J Radiator 10.0MHz CSS1607 RS1/16S102J RS1/16S102J Radiator 22.5792MHz CSS1597 RS1/16S102J GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 24 RS1/16S472J RS1/16S102J RS1/16S104J RS1/16S102J RS1/16S104J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S104J RS1/16S102J RS1/16S104J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S271J RS1/16S102J RS1/16S121J u163 RS1/16S102J RS1/16S271J RS1/16S102J RS1/16S102J GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 25 Unit Number : CWM8925 CCSRCH101J50 CCSRCH101J50 Unit Name : ASL Unit CKSRYB103K50 CKSRYB182K50 MISCELLANEOUS CKSRYB182K50 NJM4580MD CEVWNP100M16 NJM4580MD CEVWNP100M16 Transistor 2SC4081 CKSRYB102K50 Diode HZU4R3(B3) CKSRYB102K50 Diode 1SS355 CCSRCH101J50 Semi-fixed 3.3kΩ(OB) CCP1393 u163 CCSRCH101J50 MIC 401 Microphone CPM1011 CKSRYB103K50 CKSRYB182K50 CKSRYB182K50 CEVWNP100M16 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 26 S-812C56AUA-C3K RS1/16S472J Transistor 2SA1576 RS1/16S104J RS1/16S473J Transistor 2SA1576 RS1/16S222J Transistor 2SC4081 Transistor 2SD1757K RS1/16S103J Transistor DTC114EU RS1/16S103J Transistor DTC114EU RS1/16S333J RS1/16S272J Transistor DTA124EU RS1/16S333J Transistor DTA124EU Transistor 2SC4081 u163 RS1/16S5601D Transistor 2SC4081 RS1/16S5601D Transistor 2SC4081 RS1/16S1002D RS1/16S1002D RS1/16S1202D GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 27 RS1/10S121J CKSRYB103K50 CKSQYB103K50 RS1/10S151J CKSQYB224K25 RS1/10S121J RS1/10S151J CKSQYB103K50 RS1/16S362J CKSQYB103K50 RS1/16S473J CEHAT331M10 100µF/10V CCH1282 RS1/16S104J 100µF/10V CCH1282 RS1/16S473J RS1/16S104J 100µF/10V CCH1282 RS1/16S183J CKSRYB104K16 RS1/16S103J CEAT3R3M50 6800µF/16V CCH1390 RS1/16S432J CEAT1R0M50 RS1/16S512J u163 RS1/4S101J CEAT331M25 RS1/4S101J CEATR22M50 CEAT1R0M50 CKSQYB221K50 CKSQYB221K50 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 28: Adjustment

    CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 CKSQYB332K50 L 13942296513 6. ADJUSTMENT - Jigs When attaching the DSP unit to the Amp assy, use "Jigs" (GGD1245). GGD1245 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 29 3 7 63 1515 0 - Connection Diagram FX-MG9327ZT/ES(R Handle) FX-MG9427ZT/ES(L Handle) Bullet connector (To DC Regulated Power Supply) L 13942296513 GM-8437ZT/WL GGD1373 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 30: General Information

    DSP Unit. Lift and remove the DSP Unit and the Shield together. Be careful not to give any stress to the 18-pin connectors on both sides when removing the DSP Unit and the Shield. GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 31 - " Pawl bending and soldering " points of the pawls for securing the base plate of a shielded case (bot- tom case). The portion marked by is a point in which pawl bending. The portion marked by is a point in which pawl bending and soldering are necessary. DSP UNIT u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 32: Connector Function Description

    3 7 63 1515 0 7.1.2 CONNECTOR FUNCTION DESCRIPTION MUTE (SLD) (R+) (L+) (L-) (MUTE) TMUT (TXD+) (TXD-) (R-) INT1+ INT1- L 13942296513 WF1+ WF2+ CTR+ (SQR+) (SQL+) (FWR+) (FWL+) WF1- WF2- GND2 CTR- (SQR-) (SQL-) (FWR-) (FWL-) u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 33: The Method Of Distinguishing Defective

    1 The waveform to indicate that IC301 is defective (No information about IC311) Low(0V) Hi(5V) 2 The waveform to indicate that IC311 is defective Low(0V) u163 Hi(5V) - The 67 pin (drst) waveform during normal DSP operation Low(0V) GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 34 3 7 63 1515 0 SIDE A DSP UNIT CN102 CN101 19pin DSPCHIP TEST IC101 67pin drst L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 35 Interrupt signal H:FL L:OFF RRINT2 Interrupt signal H:INT(RR) L:OFF RRINT1 Interrupt signal H:RR L:OFF u163 RLINT2 Interrupt signal H:INT(RL) L:OFF RLINT1 Interrupt signal H:RL L:OFF CTRINT2 Interrupt signal H:INT(CTR) L:OFF CTRINT1 Interrupt signal H:CTR L:OFF dirst DSP reset output GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 36 DSP 1 I/F serial data input DSPOUT1 DSP 1 I/F serial data output * PD5769B IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 37 A +INPUT B -INPUT B +INPUT L 13942296513 S-812C56AUA-C3K IC62C1024AL-70TI I/O7 I/O6 I/O5 A0-A16 :Address input I/O4 :Chip enable input Reference :Output enable input I/O3 Voltage :Write enable input I/O0-I/O7 :Input / Output :Power I/O2 :GND I/O1 I/O0 u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 38 Outside RAM : Address output pin DVDD Digital : Power supply pin (5V or 3.3V) DVSS Digital : GND pin (0V) Outside RAM : Output enable pin 57-64 IO0-7 Outside RAM : Data input / output pin * AK7706VTA u163 GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 39 Audio interface format 0 pin / Chip select pin DIF1/CCLK Audio interface format 1 pin / Control data clock pin LOOP0/CDTI Loop back mode 0 pin / Control data input pin TDM I/F format mode pin * AK4529XQ u163 GM-8437ZT/WL http://www.xiaoyu163.com...

  • Page 40: Explanation

    SIGNAL(2) - EMV-N • RSE(EGA • VGA) MIC SOUND EMV-N (OTHER MAKERS) (OTHER MAKERS) TV TUNER (OTHER MAKERS) (OTHER MAKERS) (CD, MD) GM-8437ZT/WL AUDIO ADAPTER CHANGER POWER (OTHER MAKERS) (OTHER MAKERS) (OTHER MAKERS) AMPLIFIER +B, ACC - EMV-N (EGA • VGA)

  • Page 41: Operational Flow Chart

    • communication error:Serial IF Error retry • DSP reset(Pin 67) | About 1 second Normal operation <<JUDGMENT>> ACC/Back up ON/OFF ACC ON/Back up ON Main loop u163 8. OPERATIONS There is no information to be shown in this chapter. GM-8437ZT/WL http://www.xiaoyu163.com...
  • Page 42 For the extension between Amp Board and DSP Board. P.28 03 CROWN GGD1373 For system connection of Amp Unit and Head Unit. P.29 Amp System Cord Head Unit FX-MG9327ZT/ES or For operation and confirmation of Amp. P.29 FX-MG9427ZT/ES L 13942296513 u163 GM-8437ZT/WL http://www.xiaoyu163.com...

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