Pioneer GM-8437ZT Service Manual Download Page 40

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GM-8437ZT/WL

AUDIO

H/U

(OTHER MAKERS)

GM-8437ZT/WL

POWER

AMPLIFIER

EMV-N

(CD, MD)

CHANGER

(OTHER MAKERS)

+B, ACC

EMV-N • RSE(EGA • VGA)

POWER B, ACC)

BUS

SIGNAL(SOUND, VISION)

SIGNAL(2)

RSE

(OTHER MAKERS)

TV TUNER

(OTHER MAKERS)

VTR

ADAPTER

(OTHER MAKERS)

ECU

(OTHER MAKERS)

AUDIO

H/U

(OTHER MAKERS)

GM-8437ZT/WL

POWER

AMPLIFIER

EMV-N

(CD, MD)

CHANGER

(OTHER MAKERS)

+B, ACC

EMV-N (EGA • VGA)

ECU

(OTHER MAKERS)

MIC SOUND

VOICE

INTERRUPT

MIC SOUND

VOICE

INTERRUPT

AUDIO

H/U

(OTHER MAKERS)

GM-8437ZT/WL

POWER

AMPLIFIER

INTEGRATED

PANEL

(CD, MD)

CHANGER

(OTHER MAKERS)

+B, ACC

AUDIO (INTEGRATED PANEL)

ECU

(OTHER MAKERS)

VOICE

INTERRUPT

MIC SOUND

7.3 EXPLANATION

7.3.1 SYSTEM BLOCK DIAGRAM

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for GM-8437ZT

Page 1: ...nted in Japan ORDER NO CRT3180 POWER AMPLIFIER GM 8437ZTWL Service Manual TOYOTA VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No ID No PIONEER MODEL No CROWN Singapore Hong Kong December 2004 86280 30470 GM 8473ZT WL Thailand Indonesia GM 8437ZT WL For details refer to Important symbols for good services www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 ...

Page 2: ...talled before shipping out in accordance with this manual if necessary 1 Product safety You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety during servicing by following the safety instructions described in this manual SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant ...

Page 3: ...3 THE METHOD OF DISTINGUISHING DEFECTIVE DSP IC IC301 OR IC311 DURING DSP ERROR 33 7 2 IC 35 7 3 EXPLANATION 40 7 3 1 SYSTEM BLOCK DIAGRAM 40 7 3 2 OPERATIONAL FLOW CHART 41 8 OPERATIONS 41 1 SPECIFICATIONS Power source 13 2 0 1V 10 5 16 0V Grounding Negative type Backup current 0 3mA or less Dimensions 235mm W x51mm H x128mm D Weight 1348g Maximum output power 22W or more Front 11W or more Center...

Page 4: ...WS AND PARTS LIST 2 1 EXTERIOR www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...16 24 ASL Unit CWM8925 25 Connector CN403 CKS4605 26 Screw IMS26P060FTC 27 IC IC802 803 PAL006A 28 IC IC902 BA178M05T 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 For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructi...

Page 6: ...1 ASL1 S 812C56AUA C3K 2 3 Q901 SYS8 Q833 10 Q832 10 Q831 PMUT Q633 VDD5 SYS8 VDD5 9 10 TXL TXM TX BEEP BSEN ACC Q601 SWDVDD 20 8 SWDVDD TX TX Q905 VDD5 SWDVDD Q909 PD5769B Q101 VDD5 Q102 X101 LINP RINP LIN RIN Q631 SWITCHED 5V SYS801 SYS8 6 6 GAIN ADJ IC701 NJM4580MD 1 3 2 BEEP BEEP 6 SYS4 LOUT ROUT 5 IC361 NJM4580MD REAR LPF 2 1 3 IC371 NJM4580MD WOOFER LPF 2 1 IN3 27 25 23 FL RL CTR IC301 AK770...

Page 7: ...437ZT WL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...EN DECREASE VOLTAGE GAIN ADJUSTMENT BALANCE UNBALANCE AUDIO INPUT DIFFERENTIAL OPERATIONAL AMPLIFIER VOICE INTERRUPTION INPUT DIFFERENTIAL OPERATIONAL AMPLIFIER BALANCE C ASL UNIT B AMP ASSY CD 3 5dBs CD 8 2dBs 1kHz 0dB CD 1 7dBs 3 2 SCHEMATIC DIAGRAM GUIDE PAGE www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 8924...

Page 9: ...2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors MAY DAY MUTE HELP NET MUTE CD 27 7dBs CD 5 87dBs CD 2 0dBs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 139422...

Page 10: ...a A a A b C 1 2 C CD 3 5dBs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ...RENTIAL OPERATIONAL AMPLIFIER VOICE INTERRUPTION INPUT DIFFERENTIAL OPERATIONAL AMPLIFIER BALANCE C ASL UNIT B AMP ASSY CD 8 2dBs 1kHz 0dB CD 1 7dBs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ...E FOR EXTERNAL INPUT CHANGE A DSP UNIT CD 5 87dBs CD 2 0dBs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 13: ...essed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors CD 27 7dBs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 1394...

Page 14: ...ude 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 B CN906 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoy...

Page 15: ... A SIDE A B CN905 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 16: ...WL A A DSP UNIT www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 17: ...T WL A SIDE B www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 18: ...ASSY B B AMP ASSY A CN101 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 19: ...IDE A A CN102 C CN403 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 20: ...WL B B AMP ASSY www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 21: ...T WL B SIDE B www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 22: ... UNIT C ASL UNIT SIDE A SIDE B B CN404 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 23: ... 16S102J R 102 RS1 16S473J R 103 RS1 16S103J R 104 RS1 16S102J R 105 RS1 16S473J R 107 RS1 16S102J R 108 RS1 16S102J R 109 RS1 16S681J R 110 RS1 16S102J R 111 RS1 16S473J R 112 RS1 16S104J R 113 RS1 16S104J R 116 RS1 16S472J R 117 RS1 16S102J R 118 RS1 16S103J R 119 RS1 16S102J R 120 RS1 16S103J R 121 RS1 16S102J R 122 RS1 16S472J R 123 RS1 16S473J R 124 RS1 16S473J R 125 RS1 16S473J R 126 RS1 16S...

Page 24: ...S332J R 352 RS1 16S332J R 353 RS1 16S183J R 354 RS1 16S183J R 355 RS1 16S822J R 356 RS1 16S822J R 357 RS1 16S273J R 358 RS1 16S273J R 359 RS1 16S103J R 360 RS1 16S103J R 361 RS1 16S332J R 362 RS1 16S332J R 363 RS1 16S183J R 364 RS1 16S183J R 365 RS1 16S822J R 366 RS1 16S822J R 367 RS1 16S273J R 368 RS1 16S273J R 369 RS1 16S103J R 370 RS1 16S103J R 371 RS1 16S332J R 372 RS1 16S332J R 373 RS1 16S183...

Page 25: ...C 375 CKSRYB102K50 C 376 CKSRYB102K50 C 377 CCSRCH101J50 C 378 CKSRYB472K50 C 379 CKSRYB103K50 C 451 4 7µF 25V CCH1451 C 452 4 7µF 25V CCH1451 C 453 CEVW220M10 C 454 CEVW220M10 C 461 4 7µF 25V CCH1451 C 462 4 7µF 25V CCH1451 C 463 CEVW220M10 C 464 CEVW220M10 C 471 4 7µF 25V CCH1451 C 472 4 7µF 25V CCH1451 C 473 CEVW220M10 C 474 CEVW220M10 C 551 CKSYB105K16 C 552 CKSYB105K16 C 553 CKSYB105K16 C 554...

Page 26: ...A114EU Q 906 Transistor 2SB1260 Q 907 Transistor 2SA1587 Q 908 Transistor 2SC4081 Q 909 Transistor DTC144TU Q 913 Transistor DTC144EU Q 921 Transistor 2SC4081 Q 922 Transistor DTC144TU D 601 Diode 1SS355 D 621 Diode 1SS355 D 631 Diode HZU8R2 B3 D 632 Diode 1SS355 D 830 Diode UDZS7R5 B D 901 Diode RM4LFJ10 D 902 Diode 1SS355 D 903 Diode MPG06G 6415G50 D 904 Diode UDZS16 B D 905 Diode MPG06G 6415G50...

Page 27: ... 502 CEAT4R7M50 C 503 CEAT4R7M50 C 504 CEAT4R7M50 C 505 CCSRCH220J50 C 506 CCSRCH220J50 C 507 CKSRYB473K25 C 601 CKSQYB473K50 C 621 CKSQYB473K50 C 631 CEAT4R7M50 C 640 CEAT4R7M50 C 641 CEAT4R7M50 C 644 CCSRCH101J50 C 646 CKSRYB473K25 C 701 CCSRCH101J50 C 702 CCSRCH101J50 C 706 CKSRYB183K50 C 707 CKSRYB224K10 C 708 CKSRYB473K25 C 752 CKSRYB103K50 C 754 CKSRYB223K50 C 755 CKSRYB473K50 C 803 CFTNA224...

Page 28: ...61 CKSQYB332K50 C 962 CKSQYB332K50 C 963 CKSQYB332K50 C 964 CKSQYB332K50 C 965 CKSQYB332K50 C 966 CKSQYB332K50 C 967 CKSQYB332K50 C 968 CKSQYB332K50 C 969 CKSQYB332K50 C 970 CKSQYB332K50 C 971 CKSQYB332K50 C 972 CKSQYB332K50 C 973 CKSQYB332K50 C 974 CKSQYB332K50 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 8924...

Page 29: ...To DC Regulated Power Supply FX MG9327ZT ES R Handle FX MG9427ZT ES L Handle Connection Diagram www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 30: ...g the DSP Unit 1 Use a pair of tweezers as a lever Insert the tips into the upper side slits A in Rear View and get the bottom side of the Shield Push the tweezers down in the direction indicated by an arrow in Side View 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 toge...

Page 31: ...are necessary Fig 2 3 3 3 3 1 1 1 1 1 1 2 Amp Assy Heat Sink 1 Removing the Amp Assy Fig 2 Remove the six screws and then remove the Heat Sink 2 straighten the tab at location indicated 3 Remove the four screws and then remove the Amp Assy DSP UNIT www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 1394...

Page 32: ...UTE MUTE FR SQR FR SQR FL SQL FL SQL RR RR RL RL GND GND2 WF1 FWR WF1 FWR WF2 FWL WF2 FWL CTR CTR B A B A B TMUT www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 33: ...eform during DSP error Keeping Hi continuously IC301 is defective Proper IC311 operation is not guaranteed though After making repairs on IC301 re perform the 67 pin drst waveform observations Keeping Hi continuously on the 67 pin drst waveform shows that DSP IC functions normally Keeping Low continuously IC311 is defective IC301 is OK After making repairs on IC311 re perform the 67 pin drst wavef...

Page 34: ... DSPCHIP 67pin drst TEST DSP UNIT SIDE A www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 35: ...SCK I Test serial clock input 31 SMUTEIN I System mute input 32 DACCSN O DAC control chip select output 33 DACCCLK O DAC control clock output 34 DACCDTI O DAC control data output 35 NC Not used 36 TELMUTE I TEL mute input 37 38 NC Not used 39 ROMDT I ROM correction data input 40 MUTE O System mute output 41 42 NC Not used 43 FRMUTE O Interrupt signal FR SP mute 44 FLMUTE O Interrupt signal FL SP m...

Page 36: ...ready input 70 RDY2 I DSP 2 write in ready input 71 drq1 O DSP 1 request output 72 DSDRDY1 I DSP 1 data ready input 73 RDY1 I DSP 1 write in ready input 74 ASLIN I ASL noise input 75 AVSS GND for microcomputer AD 76 SMUTE O DSP soft mute output 77 VREF Reference for microcomputer AD 78 AVCC Power supply for microcomputer AD 79 DSPIN1 I DSP 1 I F serial data input 80 DSPOUT1 O DSP 1 I F serial data...

Page 37: ...input Write enable input Input Output Power GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A11 A9 A8 A13 we CE2 A15 VCC NC A16 A14 A12 A7 A6 A5 A4 32 31 30 29 28 17 16 15 14 13 22 21 20 19 18 17 oe A10 ce1 I O7 I O6 I O5 I O4 I O3 GND I O2 I O1 I O0 A0 A1 A2 A3 IC62C1024AL 70TI www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37...

Page 38: ...SCLK I Serial data clock input pin for microcomputer interface 25 SI I Serial data input Serial data output control pin for microcomputer interface 26 DVSS Digital GND pin 0V 27 DVDD Digital Power supply pin 5V 28 SO O Serial data output pin for microcomputer interface 29 RDY O Data write in ready output pin for microcomputer interface 30 DRDY O Output data ready for microcomputer interface 31 LSE...

Page 39: ...t pin 23 LOUT3 O DAC3 L channel analog output pin 24 ROUT3 O DAC3 R channel analog output pin 25 LOUT2 O DAC2 L channel analog output pin 26 ROUT2 O DAC2 R channel analog output pin 27 LOUT1 O DAC1 L channel analog output pin 28 ROUT1 O DAC1 R channel analog output pin 29 30 NC Not used 31 LIN I L channel analog input pin 32 RIN I R channel analog input pin 33 DZF2 O 0 input detect pin 34 VCOM O C...

Page 40: ...ER OTHER MAKERS OTHER MAKERS B ACC EMV N EGA VGA ECU OTHER MAKERS MIC SOUND VOICE INTERRUPT MIC SOUND VOICE INTERRUPT AUDIO H U OTHER MAKERS GM 8437ZT WL POWER AMPLIFIER INTEGRATED PANEL CD MD CHANGER OTHER MAKERS OTHER MAKERS B ACC AUDIO INTEGRATED PANEL ECU OTHER MAKERS VOICE INTERRUPT MIC SOUND 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 139422...

Page 41: ... Mute ON Pin 40 H BEEP output available ON status System OFF waiting Power ON Pin 66 H Mute OFF Pin 40 L BEEP output available JUDGMENT DSP error confirmation communication error Serial IF JUDGMENT ACC Back up ON OFF START Hard ware reset cancel Main loop Error retry DSP reset Pin 67 About 1 second Error Communication error Forcibly OFF Pin 17 HI input or Pin 16 HI input Normal Main unit communica...

Page 42: ...73 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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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