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Service
Manual
POWER AMPLIFIER
GM-9127
GM-9127
GM-9227
GM-9227
VEHICLE
DESTINATION
LAND CRUISER
Europe
LAND CRUISER
Any country or area
except for Japan
For details, refer to "Important symbols for good services".
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC.
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 2002
TOYOTA
GM-9127ZT/EW
ZT-91
/EW
ZT
/E
ZT-91
/E
PRODUCED AFTER
August 2002
August 2002
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
ZT
/EW
TOYOTA PART No.
ID No.
86280-60340
86280-60320
K-ZZB. JULY 2002 Printed in Japan
ORDER NO.
CRT2884
PIONEER MODEL No.
GM-9127ZT/EW
GM-9127ZT-91/EW
GM-9227ZT/E
GM-9227ZT-91/E

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   Summary of Contents for Pioneer GM-9127ZT

  • 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 2002 K-ZZB. JULY 2002 Printed in Japan...

  • Page 2: Safety Information

    By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. GM-9127ZT/EW...

  • Page 3: Table Of Contents

    Backup current ... .1.0mA or less Dimensions(No Bracket) ..210mm(W)x60mm(H)x150mm(D) Weight(GM-9127ZT/EW) ..1.985kg (GM-9227ZT/E) ..2.086kg Maximum output power ..22W or more(Front)

  • Page 4: Exploded Views And Parts List

    2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR GM-9127ZT/EW...

  • Page 5

    7 Case CNB2563 27 Plug(CN905) CKS4242 8 Shield Case CNC8185 28 Holder CNC8187 9 Shield Case CNC8186 29 Bracket CNC8681 10 Bracket(GM-9127ZT/EW) CNC8919 30 Sheet CNM7015 11 Bracket(GM-9127ZT/EW) CNC8920 31 Bracket(GM-9227ZT/E) CND1093 32 Holder(GM-9227ZT/E) CND1355 12 Insulator CNM6145 13 Seal CNM6686...

  • Page 6: Block Diagram And Schematic Diagram

    5V REGULATOR AVDD POWER SWITCH Q904 IC902 SYSD5 SYS5 IC402 DVDD BA178M05T NJM2068MD VR401 MIC401 STBY1 Q401 8V REGULATOR Q906 SYS8 IC901 SYS8 IC401 NJM2068MD NJM2930F08K SYS4 Q161 SYSP1 SYSPW1 SYSPW1 Q907 SPD1 SPD1 SPEED SENSOR PULSE CN101 CN906 GM-9127ZT/EW...

  • Page 7

    GM-9127ZT/EW...

  • Page 8

    3.2 SCHEMATIC DIAGRAM (GUIDE PAGE) Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". Large size DSP UNIT SCH diagram Guide page Detailed page -20.0dBs POWER AM -12.8dBs AMP UNIT GM-9127ZT/EW...

  • 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-9127ZT/EW...

  • Page 10

    GM-9127ZT/EW...

  • Page 11

    GM-9127ZT/EW...

  • Page 12

    GM-9127ZT/EW...

  • Page 13

    GM-9127ZT/EW...

  • 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 GM-9127ZT/EW...

  • Page 15

    SIDE A CN905 FRONT GM-9127ZT/EW...

  • Page 16

    DSP UNIT GM-9127ZT/EW...

  • Page 17

    SIDE B GM-9127ZT/EW...

  • Page 18: Amp Unit

    4.2 AMP UNIT AMP UNIT CN101 GM-9127ZT/EW...

  • Page 19

    SIDE A CN102 GM-9127ZT/EW...

  • Page 20

    AMP UNIT GM-9127ZT/EW...

  • Page 21

    SIDE B GM-9127ZT/EW...

  • Page 22: Electrical Parts List

    RS1/10S104J Inductor LCTB1R0K2125 Inductor CTF1305 RS1/16S102J Inductor CTF1305 RS1/16S102J Inductor LCTB1R0K2125 RS1/16S102J RS1/16S102J Inductor LCTB1R0K2125 RS1/10S102J Inductor LCTB1R0K2125 Inductor LCTB1R0K2125 RS1/10S102J Inductor LCTB4R7K2125 RS1/10S473J Inductor LCTB120K2125 RS1/10S104J RS1/10S473J Inductor LCTBR82K2125 RS1/10S102J Inductor LCTB1R0K2125 Inductor LCTB1R0K2125 Inductor LCTBR82K2125 Inductor LCTB1R0K2125 GM-9127ZT/EW...

  • Page 23

    RS1/10S303J RS1/10S101J CCSQCH101J50 RS1/10S101J CCSQCH101J50 RS1/10S123J CCSQCH101J50 CCSQCH101J50 RS1/10S123J CEJANP100M10 RS1/10S103J RS1/10S103J CEJANP100M10 RS1/10S303J CEJANP100M10 RS1/10S303J CEJANP100M10 CEJA100M16 RS1/10S101J CEJA100M16 RS1/10S101J RS1/10S562J CKSQYB103K50 RS1/10S682J CKSQYB102K50 RS1/10S153J CEJA100M16 CEJA100M16 RS1/10S101J CKSQYB103K50 RS1/10S222J RS1/10S683J CKSQYB103K50 RS1/10S103J CKSQYB103K50 RS1/10S472J CKSQYB102K50 CEJA100M16 CEJA100M16 GM-9127ZT/EW...

  • Page 24

    DTC144EK Transistor DTA114TK CKSYB105K16 Transistor 2SA1162 CKSYB105K16 Transistor 2SC2712 CEJA100M16 Diode RM4LFJ10 CKSQYB104K25 CEJA100M16 Diode 1SS355 Diode 1SS355 CKSQYB104K25 Diode ERA15-02VH CEJANP1R0M50 Diode UDZS5R6(B) CEJANP1R0M50 Diode HZU4R3(B3) CEJANP1R0M50 CEJANP1R0M50 Diode MA152WK Diode 1SS355 Diode MA152WK Diode UDZS18(B) Diode UDZS18(B) GM-9127ZT/EW...

  • Page 25

    CFTNA224J50 CFTNA224J50 RS1/10S562J CFTNA224J50 RS1/10S562J CFTNA224J50 RS1/10S562J RS1/10S222J CFTNA224J50 RS1/10S473J CFTNA224J50 CFTNA224J50 RS1/10S184J CFTNA224J50 RS1/10S184J CFTNA224J50 RS1/10S184J RS1/10S271J CFTNA224J50 RS1/10S271J CFTNA224J50 CFTNA105J50 RS1/10S271J CFTNA105J50 RS1/10S472J CFTNA105J50 RS1/10S472J RS1/10S472J CEAS100M50 RS1/10S472J CEAS100M50 CEAS100M50 RS1/8S222J CEHAQ221M16 RS1/10S153J CKSQYB104K25 RS1/10S6R8J RS1/10S103J RS1/10S181J GM-9127ZT/EW...

  • Page 26

    CKSQYB473K25 CEHAQ1R0M50 100µF/10V CCH1282 CKSQYB473K25 CKSQYB103K50 CKSQYB103K50 CKSQYB473K25 CKSQYB224K25 CKSQYB473K25 CKSQYB103K50 CEAT1R0M50 CKSQYB473K25 CEAT4R7M50 CKSQYB471K50 CKSQYB104K25 CSZSR3R3M35 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB392K50 CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 CKSQYB221K50 GM-9127ZT/EW...

  • Page 27: Adjustment

    6. ADJUSTMENT - Jigs GGD1153 (14P) GGD1245 (18P) GM-9127ZT/EW...

  • Page 28

    - Connection Diagram KEX-M9427ZT/EW(L) KEX-M9327ZT/EW(R) EMV(DENSO) GGD1304 GGD1300 GGD1239 Bullet connector (To DC Regulated Power Supply) GM-9127ZT/EW(L) GM-9427ZT/WL(R) Bullet connector (To DC Regulated Power Supply) Bullet connector (To DC Regulated Power Supply) NAVI ECU(A/W) GGD1169 GGD1240 Bullet connector SP Line...

  • Page 29

    - Connection Diagram KEX-M9427ZT/EW(L) KEX-M9327ZT/EW(R) EMV(DENSO) GGD1303 GGD1239 Bullet connector (To DC Regulated Power Supply) GM-9127ZT/EW(L) GM-9427ZT/WL(R) Bullet connector (To DC Regulated Power Supply) Bullet connector (To DC Regulated Power Supply) NAVI ECU(A/W) GGD1169 GGD1240 Bullet connector SP Line AUI-...

  • Page 30

    - Connection Diagram FX-MG9427ZT/EW(L) GM-9227ZT/E(L) FX-MG9327ZT/EW(R) GM-9527ZT/WL(R) GGD1240 GGD1169 Bullet connector Bullet connector SP Line (To DC Regulated Power Supply) GM-9127ZT/EW...

  • Page 31

    GM-9227ZT/E(L) GM-9527ZT/WL(R) Bullet connector (To DC Regulated Power Supply) GGD1169 GGD1240 Bullet connector NAVI ECU(A/W) SP Line RSA Controller *Please don't connect MCD(L) and MCD(R) at the same time *MCD does not operate if RSA controller is not connected. GM-9127ZT/EW...

  • Page 32

    ASL1 VR401 MIC401 Side A AMP UNIT CN906 CN905 CN901 CN902 CN902 CN901 (MR+) (TX+) TXD+ TMUT (ML+) N-MU WFL+ WFR+ WFL- WFR- (MR-) (SPD) ASGD (ML-) MUTE (TX-) TXD- (MUTE) 13.2V 13.2V 13.2V 13.2V DC Regulated Power Supply GM-9127ZT/EW...

  • Page 33: General Information, Diagnosis, Disassembly

    7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Shield Case (Fig.1) Remove the two screws and then remove the Shield Case. Shield Case Fig.1 Removing the DSP Uint (Fig.2) Remove the five screws and then remove the DSP Unit. DSP Unit Fig.2 GM-9127ZT/EW...

  • Page 34

    Amp Unit Removing the Amp Uint (Fig.3) Remove the six screws. Remove the two screws and then remove the Heat Sink. Remove the five screws and then remove the Amp Unit. Heat Sink Fig.3 GM-9127ZT/EW...

  • Page 35

    • The portion marked by is a point in which pawl bending and soldering are not performed. (Faulty pawl bending point) • The portion marked by is a point in which pawl bending and soldering are necessary. DSP UNIT GM-9127ZT/EW...

  • Page 36: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION - GM-9127ZT/EW - GM-9227ZT/E WFL+ WFR+ WFL- WFR- (MR+) TXD+ (TX+) TMUT N-MU (ML+) (MR-) (SPD) ASGD MUTE TXD- (ML-) (TX-) (MUTE) GM-9127ZT/EW...

  • Page 37

    A/D converter reference voltage input AVCC NAVMUTE Navigation mute input DSPMUTE DSP mute output *PD5724B IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. Format Meaning C MOS GM-9127ZT/EW...

  • Page 38: Explanation, Operational Flow Chart

    • BEEP output available <<JUDGMENT>> DSP error DSP error confirmation • communication error:Serial IF • processing error:Pin 68 Error return • DSP reset(Pin 9) | About 1 second Normal operation <<JUDGMENT>> ACC/Back up ON/OFF ACC ON/Back up ON Main loop GM-9127ZT/EW...

  • Page 39

    - DSP error check (Normal) DSPCS1(Pin70) DSPCS2(Pin69) DSPCK(Pin26) 4mS interval (Periodical communication) DSPCS1 DSPCS2 DSPCK - DSP error check ---Error continuation DSPRST(Pin67) About 1S interval GM-9127ZT/EW...

  • Page 40: System Block Diagram

    +B, ACC AVC-LAN +B, ACC SPEAKER (OPTION) AMPLIFIER 2DIN REAR SEAT HEAD HEAD UNIT AUDIO PHONE AVC-LAN AVC-LAN PIONEER or OTHER MAKERS OTHER MAKERS +B, ACC AVC-LAN +B, ACC SPEAKER NAVI COMP AMPLIFIER TV TUNER 1DIN NTSC HEAD UNIT PIONEER or...

  • Page 41: Operations

    +B, ACC AVC-LAN(MAIN) AVC-LAN(LOCAL) +B, ACC SPEAKER (OPTION) NAVI AMPLIFIER 1DIN HEAD UNIT PIONEER or OTHER NTSC OTHER OTHER MAKERS MAKERS MAKERS AVC-LAN(MAIN) DVD-CH AVC-LAN(LOCAL) (OPTION) REAR SEAT HEAD AUDIO PHONE OTHER CD-CH AVC-LAN(LOCAL) MAKERS +B, ACC AVC-LAN +B, ACC...

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