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Pioneer GM-8537ZT/WL Service Manual

Pioneer toyota/ lexus ls430 gm-8537zt/wl; gm-8537zt-91/wl car audio system power amplifier
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Service
Manual
AUDIO SYSTEM
POWER AMPLIFIER
VEHICLE
DESTINATION
LEXUS LS430 Europe, Middle Near East,
Australia, North America
General Area
Manufactured for TOYOTA
by PIONEER CORPORATION
LS430
PRODUCED AFTER
TOYOTA PART No.
August 2003
86280-50320
86280-50330
ORDER NO.
CRT3058
ID No.
PIONEER MODEL No.
GM-8537ZT/WL
GM-8537ZT-91/WL
CRT3058
PUB. NO.

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  Summary of Contents for Pioneer GM-8537ZT/WL

  • Page 1 ORDER NO. CRT3058 LS430 AUDIO SYSTEM POWER AMPLIFIER VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS LS430 Europe, Middle Near East, August 2003 86280-50320 GM-8537ZT/WL Australia, North America 86280-50330 GM-8537ZT-91/WL General Area Manufactured for TOYOTA...
  • Page 2: Safety Information

    For details, refer to "Important symbols for good services". GM-8537ZT/WL GM-8537ZT-91/WL - Supplementally model is identical to the original except for the addition of following items. *: Non Spare Part Part No. Description GM-8537ZT-91/WL Cover CEG1045(x2) Polyethylene Bag CEG1174 * Air Cap...
  • Page 3: Table Of Contents

    Backup current ... .0.3mA or less Dimensions(No Bracket) ..285mm(W)x51mm(H)x128mm(D) Weight(No Bracket) ..1.6kg Maximum output power ..39W or more(Front) 13W or more(Tweeter) 21W or more(Rear) 35W or more(Woofer) GM-8537ZT/WL...
  • Page 4: Exploded Views And Parts List

    2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR GM-8537ZT/WL...
  • Page 5 5 Screw BSZ26P060FTC 6 Chassis CNA2557 7 Case CNB2790 8 Holder CND1204 9 Shield Case CND1276 10 86285-50110 (GM-8537ZT/WL) CND1331 11 86286-50040 (GM-8537ZT/WL) CND1332 12 Bracket (GM-8537ZT/WL) CND1465 13 Insulator CNM7999 14 Heat Sink CNR1660 15 ASL Unit CWM8305 16 Connector(CN403)
  • Page 6: Block Diagram And Schematic Diagram

    Q883 SYS5 SWITCHED 5V SYS4 Q852 SWDVDD VDD5 SYSPW1 SYSTEM POWER Q863 SYS1 SYS1 Q881 SWDVDD Q853 Q753 SPD1 SPD1 ASL1 SYS8 SPEED PULSE SENSE CN404 CN801 ASL UNIT CN403 FAN MOTOR VR401 MIC401 Q401 IC401 IC402 NJM4580MD NJM4580MD GM-8537ZT/WL...
  • Page 7 GM-8537ZT/WL...
  • Page 8: Schematic Diagram(Guide Page)

    Guide page Detailed page ASL UNIT AUDIO INPUT DIFFERENTIAL OPERATIONAL AMPLIFIER CD:+8.2dBs (1kHz 0dB) OUTPUT OFFSET INDICATION AMP UNIT OUTPUT OFFSET INDICATION AMP INPUT GAIN ADJUSTMENT OUTPUT OFFSET INDICATION SIGNAL INPUT OFF CIRCUIT A B C TO SUDDEN DECREASE VOLTAGE GM-8537ZT/WL...
  • 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-8537ZT/WL...
  • Page 10 GM-8537ZT/WL...
  • Page 11 GM-8537ZT/WL...
  • Page 12 GM-8537ZT/WL...
  • Page 13 A-b B GM-8537ZT/WL...
  • Page 14: Pcb Connection Diagram

    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. 2.Viewpoint of PCB diagrams Capacitor Connector SIDE A DSP UNIT SIDE B Chip Part P.C.Board CN906 GM-8537ZT/WL...
  • Page 15 SIDE A CN905 GM-8537ZT/WL...
  • Page 16 DSP UNIT GM-8537ZT/WL...
  • Page 17 SIDE B GM-8537ZT/WL...
  • Page 18: Amp Unit

    4.2 AMP UNIT AMP UNIT CN101 FAN MOTOR GM-8537ZT/WL...
  • Page 19 SIDE A CN102 CN403 GM-8537ZT/WL...
  • Page 20 AMP UNIT GM-8537ZT/WL...
  • Page 21 SIDE B GM-8537ZT/WL...
  • Page 22: Asl Unit

    4.3 ASL UNIT ASL UNIT SIDE A ASL UNIT SIDE B CN404 GM-8537ZT/WL...
  • Page 23: Electrical Parts List

    Radiator 10.0MHz CSS1607 RS1/16S102J Radiator 22.579MHz CSS1597 RS1/16S102J RS1/16S102J RESISTORS RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S473J RS1/16S102J RS1/16S103J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S473J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S681J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S473J RS1/16S101J RS1/16S104J RS1/16S101J RS1/16S104J RS1/16S105J RS1/16S472J RS1/16S680J RS1/16S102J RS1/16S471J RS1/16S103J GM-8537ZT/WL...
  • Page 24 RS1/16S822J RS1/16S223J CEVW100M16 RS1/16S223J CEVW100M16 RS1/16S103J CKSRYB103K50 CKSRYB104K16 RS1/16S103J CKSRYB104K16 RS1/16S332J RS1/16S123J CKSRYB104K16 RS1/16S0R0J CKSRYB104K16 RS1/16S822J CKSRYB104K16 CEVW100M16 RS1/16S0R0J CEVW100M16 RS1/16S333J RS1/16S103J CKSRYB103K50 RS1/16S103J CKSRYB104K16 RS1/16S332J CKSRYB104K16 CKSRYB104K16 RS1/16S332J CKSRYB104K16 RS1/16S123J RS1/16S123J CKSRYB104K16 RS1/16S822J CEVW100M16 RS1/16S822J CEVW100M16 CKSRYB103K50 CKSRYB222K50 GM-8537ZT/WL...
  • Page 25 CEVW100M16 CKSRYB473K50 CEJQ470M10 CEVWNP2R2M35 CEJQ470M10 CEALR68M50 CEVWNP2R2M35 CEJQ100M50 CEVWNP4R7M16 CEJQ470M10 CEVWNP4R7M16 CEVWNP4R7M16 CCSRCH101J50 CEVWNP4R7M16 CEJQ470M10 CEJQ100M50 CEVWNP4R7M16 CKSRYB473K25 CEVWNP4R7M16 CEJQNP220M10 CKSRYB103K50 CKSRYB103K50 CKSRYB104K16 CEVW470M10 CEJQNP100M16 CEJQNP100M16 CKSRYB104K16 CKSRYB103K50 CEVW1R0M50 CKSRYB223K50 CEVW100M16 CKSRYB473K50 CKSRYB474K10 CEVW2R2M50 CEVW101M16 CKSRYB102K50 CKSRYB103K50 CKSRYB103K50 CKSRYB103K50 GM-8537ZT/WL...
  • Page 26 MPG06G-6415G50 RS1/16S103J Diode UDZS16(B) RS1/16S473J Diode HZU4R3(B3) RS1/16S104J Diode MPG06G-6415G50 RS1/8S472J Diode MPG06G-6415G50 RS1/8S222J Diode RM4LFJ10 RS1/16S104J Diode HZU12(B2) RS1/16S432J Diode UDZS18(B) RS1/16S512J Diode UDZS18(B) RS1/16S103J Choke Coil 260µH CTH1240 RS1/16S912J RS1/16S472J RESISTORS RS1/16S912J RS1/16S1002D RS1/16S1002D RS1/16S1002D RS1/16S1002D RS1/16S3901D GM-8537ZT/WL...
  • Page 27 CKSQYB332K50 CKSRYB473K50 CKSQYB332K50 CKSRYB823K16 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA105J50 CKSQYB332K50 CEHAT100M50 CKSQYB332K50 CEHAT221M25 CKSQYB332K50 CKSQYB104K25 CKSQYB332K50 CKSQYB104K25 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA224J50 CKSQYB332K50 CFTNA105J50 Miscellaneous Parts List CEAT100M50 Fan Motor CXM1266 GM-8537ZT/WL...
  • Page 28: Adjustment

    6. ADJUSTMENT - Jigs When attaching the DSP unit to the AMP unit, use "Jigs" (GGD1245). GGD1245 GM-8537ZT/WL...
  • Page 29 - Connection Diagram FX-MG9187ZT/EW(Pioneer AMP Model) FX-MG9687ZT/EW(Marklevinson AMP Model) FX-MG9087ZT/EW(Pioneer AMP Model) FX-MG9587ZT/EW(Marklevinson AMP Model) CD-R8137ZT/E GEX-T8037ZT/EW AM/FM TUNER REAR CON. HEAD UNIT Non-connected Non-connected For Head unit For Rear con. GGD1339 Bullet connector (ACC,+B, GM-8537ZT/WL ILL,GND) Marklevinson AMP NAVI...
  • Page 30 - Connection Diagram FX-MG9187ZT/Q1(Pioneer AMP Model) CD-R8137ZT/E GEX-T8137ZT/Q1 FX-MG9687ZT/Q1(Marklevinson AMP Model) AM/FM TUNER REAR CON. HEAD UNIT Non-connected Non-connected For Head unit For Rear con. GGD1339 Bullet connector (ACC,+B, GM-8537ZT/WL ILL,GND) Marklevinson AMP NAVI AUI+ AUO+ To front right SP...
  • Page 31 - Connection Diagram FX-MG9187ZT/UC(Pioneer AMP Model) FX-MG9687ZT/UC(Marklevinson AMP Model) CD-R8137ZT/E GEX-T8137ZT/UC AM/FM TUNER REAR CON. HEAD UNIT Non-connected Non-connected For Head unit For Rear con. GGD1339 Bullet connector (ACC,+B, GM-8537ZT/WL ILL,GND) Marklevinson AMP NAVI ECU AUI+ AUO+ To front right SP...
  • Page 32 - Connection Diagram FX-MG8087ZT/ES(Pioneer AMP Model) FX-MG8187ZT/ES(Pioneer AMP Model) FX-MG8587ZT/ES(Marklevinson AMP Model) FX-MG8687ZT/ES(Marklevinson AMP Model) GEX-T9006ZT/ES CD-R8137ZT/E HEAD UNIT AM/FM TUNER REAR CON. GGD1340 Bullet connector (ACC,+B,ILL,GND) GM-8537ZT/WL Marklevinson AMP Non-connected For XM TUNER GGD1341 Bullet connector (WFSP Line) Bullet connector...
  • Page 33 - Connection Diagram FX-MG8087ZT/EW(Pioneer AMP Model) GEX-T9006ZT-02/EW CD-R8137ZT/E FX-MG8187ZT/EW(Pioneer AMP Model) HEAD UNIT AM/FM TUNER REAR CON. GGD1340 Bullet connector (ACC,+B,ILL,GND) GM-8537ZT/WL Non-connected For XM TUNER GGD1341 Bullet connector (WFSP Line) Bullet connector (+B,GND,SP Line) GM-8537ZT/WL...
  • Page 34 - Connection Diagram FX-MG8187ZT/UC(Pioneer AMP Model) GEX-T8137ZT/UC CD-R8137ZT/E FX-MG8687ZT/UC(Marklevinson AMP Model) AM/FM TUNER REAR CON. HEAD UNIT GGD1340 Bullet connector (ACC,+B,ILL,GND) GM-8537ZT/WL GEX-M8087XMZT/XN/UC Marklevinson AMP XM TUNER GGD1341 Bullet connector (WFSP Line) Bullet connector (+B,GND,SP Line) GM-8537ZT/WL...
  • Page 35: General Information

    Removing the Bracket (Fig.2) Remove the three screws and then remove the Bracket. Removing the DSP Unit (Fig.2) Straighten the tabs at seven locations indicated. Remove the four screws and then remove the DSP Unit and the Bracket Shield together. Fig.2 GM-8537ZT/WL...
  • Page 36 2 Now one of the 18-pin connectors gets disconnected from the DSP Unit by doing 1 so that it becomes easier to detach the 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-8537ZT/WL...
  • Page 37 - " 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 and soldering are necessary. DSP UNIT GM-8537ZT/WL...
  • Page 38: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION WFR+ WFL+ (SR+) (SL+) WFL- (SR-) (SL-) WFR- MTX+ MTX- SGND MUTE N-MU RTX+ RTX- SGND MMUT TMUT (CTR+) (CTR-) GM-8537ZT/WL...
  • Page 39: The Method Of Distinguishing Defective

    The 19 pin (DSPCHIP) waveform 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) Hi(5V) - The 67 pin (drst) waveform during normal DSP operation Low(0V) GM-8537ZT/WL...
  • Page 40 SIDE A DSP UNIT CN102 CN101 19pin DSPCHIP IC101 67pin drst GM-8537ZT/WL...
  • Page 41 ASL noise input AVSS GND for microcomputer AD SMUTE Codec soft mute output VREF Reference input for microcomputer AD AVCC Power supply for microcomputer AD DSPIN1 DSP 1 I/F serial data input DSPOUT1 DSP 1 I/F serial data output GM-8537ZT/WL...
  • Page 42 I/O7 NJM4580MD I/O6 I/O5 A0-A16 :Address input I/O4 :Chip enable input A OUTPUT :Output enable input I/O3 :Write enable input I/O0-I/O7 :Input / Output A -INPUT B OUTPUT :Power I/O2 :GND I/O1 A +INPUT B -INPUT I/O0 B +INPUT GM-8537ZT/WL...
  • Page 43 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 GM-8537ZT/WL...
  • Page 44 DIF0/CSN 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 GM-8537ZT/WL...
  • Page 45: Explanation

    7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM POWER SUPPLY(+B, ACC) - NAVIGATION SYSTEM SIGNAL(SOUND, VISION) +B, ACC MARK LEVINSON GEX-T8037ZT/EW GM-8537ZT/WL RADIO NAVIGATION FR(R) TUNER (OTHER MAKERS) FX-MG9087ZT/EW FX-MG9187ZT/EW FX-MG9587ZT/EW FX-MG9687ZT/EW (OTHER MAKERS) CD-R8137ZT/E - (7SP+REAR CONTROLLER) REAR CONTROLLER MARK LEVINSON...
  • Page 46 POWER SUPPLY(+B, ACC) - NAVIGATION SYSTEM SIGNAL(SOUND, VISION) +B, ACC MARK LEVINSON GEX-T8137ZT/UC GEX-T8137ZT/Q1 GM-8537ZT/WL RADIO NAVIGATION FR(R) TUNER (OTHER MAKERS) FX-MG9187ZT/UC FX-MG9687ZT/UC FX-MG9187ZT/Q1 FX-MG9687ZT/Q1 (OTHER MAKERS) CD-R8137ZT/E - (7SP+REAR CONTROLLER) REAR CONTROLLER MARK LEVINSON GM-8537ZT/WL FX-MG9187ZT/UC FX-MG9687ZT/UC FX-MG9187ZT/Q1 FX-MG9687ZT/Q1...
  • Page 47 POWER SUPPLY(+B, ACC) - (7SP) SIGNAL(SOUND, VISION) MARK LEVINSON GM-8537ZT/WL FX-MG9087ZT/EW FX-MG9187ZT/EW FX-MG9587ZT/EW FX-MG9687ZT/EW CHANGER RADIO TUNER (OTHER MAKERS) +B, ACC GEX-T8037ZT/EW POWER SUPPLY(+B, ACC) - (7SP) SIGNAL(SOUND, VISION) MARK LEVINSON GM-8537ZT/WL FX-MG9187ZT/UC FX-MG9687ZT/UC FX-MG9187ZT/Q1 FX-MG9687ZT/Q1 RADIO TUNER +B, ACC...
  • Page 48: Operational Flow Chart

    • BEEP output available • BEEP output available <<JUDGMENT>> DSP error DSP error confirmation • 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 GM-8537ZT/WL...
  • Page 49: Operations

    8. OPERATIONS There is no information to be shown in this chapter. GM-8537ZT/WL...
  • Page 50 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 2003 K-ZZB. JULY 2003 Printed in Japan...

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