Pioneer Audio System Power Amplifier Service Manual Download Page 35

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GM-8027ZT/WL

H/U

12P

20P

18P

10P

14P

12P

20P

25P

16P

GGD1169

20P

25P

GGD1240

GGD1305

FR+

FR-

FX-MG8527ZT/UC

GM-8027ZT/E

RSE-ECU

24P

10P

32P

20P

12P

16P

Rear Display(F-TEN)

16P

24P

20P

16P

AV Unit

10P

32P

GGD1306

AMP

SDVD(PANA)

20P

Bullet connector

(To DC Regulated Power Supply)

Bullet connector

(To DC Regulated Power Supply)

Bullet connector

(To DC Regulated Power Supply)

Bullet connector
SP Line

Connection Diagram

Summary of Contents for Audio System Power Amplifier

Page 1: ...OYOTA PART No ID No PIONEER MODEL No LAND CRUISER PRADO UK Ireland September 2002 86280 60280 GM 8027ZT WL LEXUS GX470 U S A Canada November 2002 86280 60290 GM 8027ZT E LAND CRUISER PRADO Europe September 2002 86280 60310 GM 8127ZT EW LAND CRUISER PRADO UK Ireland September 2002 86280 60300 GM 8127ZT WL GX470 Service Manual LAND CRUISER PRADO ...

Page 2: ...2 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL For details refer to Important symbols for good services ...

Page 3: ...tools the prescribed ones should be used 4 Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit the shipping mode should be set or the shipping screws should be installed 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 an...

Page 4: ... 41 7 1 DIAGNOSIS 41 7 1 1 DISASSEMBLY 41 7 1 2 CONNECTOR FUNCTION DESCRIPTION 44 7 2 IC 45 7 3 EXPLANATION 46 7 3 1 SYSTEM BLOCK DIAGRAM 46 7 3 2 OPERATIONAL FLOW CHART 49 8 OPERATIONS 51 1 SPECIFICATIONS Power source 13 2 0 1V 10 5 16 0V Grounding Negative type Backup current 1 0mA or less Dimensions No Bracket 261 6mm W x73mm H x183 8mm D Weight 2 465kg Maximum output power 22W or more Front 22...

Page 5: ...5 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...

Page 7: ...241 29 Amp Unit GM 8076ZT WL CWM8077 Amp Unit GM 8076ZT E CWM8075 Amp Unit GM 8176ZT WL CWM8355 Amp Unit GM 8176ZT EW CWM8352 30 Screw BPZ30P060FSN 31 Screw BSZ26P080FMC 32 Connector CN902 CKM1308 33 Connector CN901 CKM1310 34 Plug CN906 CKS4240 35 Plug CN905 CKS4242 36 Holder CNC8187 37 Bracket CND1012 38 Sheet CNM7015 39 Microphone Unit CWM8205 40 Connector CN402 CKS2191 41 Screw ISS26P060FMC 42...

Page 8: ...AVI MUTE ACC SENSE BACK UP SENSE SYSTEM MUTE PEE SYSP1 CN906 CN101 CN905 CN102 FS FS 5 14 A A B B CN902 ELECTRONIC VOLUME IC401 NJM2068MD Q401 MIC MIC401 VR401 3 ASLIN2 76 1 ASLIN1 74 IC402 NJM2068MD 5 7 ASL 8 8 IC141 HA12187FP BUS DRIVER AVCIN AVCOUT AVCPW 22 23 20 2 1 8 7 15 4 DSP DSP 10 12 XOUT XIN 21 IC281 AK4321VF IC291 AK4321VF IC311 NJM2068MD IC331 NJM2068MD IC341 NJM2068MD FRONT DAC IC231 ...

Page 9: ...9 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...

Page 10: ...ed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A B C POWER AMP A DSP UNIT B AMP UNIT C MICROPHONE UNIT A D CONVERTER 10 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 3 2 SCHEMATIC DIAGRAM GUIDE PAGE ...

Page 11: ...stor and capacitor fixed values are expressed 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 ...

Page 12: ...12 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A a A a A b 1 2 A D CONVERTER A DSP UNIT C MICROPHONE UNIT ...

Page 13: ...13 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A a A b A a A a A b 3 4 POWER AMP B AMP UNIT C MICROPHONE UNIT ...

Page 14: ...14 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A b 1 2 ...

Page 15: ...resistor and capacitor fixed values are expressed 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 ...

Page 16: ...ctor P C Board Chip Part A A DSP UNIT SIDE B SIDE A 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 2 Viewpoint of PCB diagrams B CN906 C CN402 ...

Page 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE A FRONT B CN905 ...

Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A A DSP UNIT ...

Page 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE B ...

Page 20: ...20 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 4 2 AMP UNIT B B AMP UNIT A CN101 ...

Page 21: ...21 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE A A CN102 ...

Page 22: ...22 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL B B AMP UNIT ...

Page 23: ...23 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE B ...

Page 24: ...24 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 4 3 MICROPHONE UNIT C C MICROPHONE UNIT C MICROPHONE UNIT SIDE A SIDE B MIC A CN401 ...

Page 25: ...R7K2125 L 186 Inductor LCTB120K2125 L 201 Inductor LCTBR82K2125 L 231 Inductor LCTB1R0K2125 L 241 Inductor LCTB1R0K2125 L 251 Inductor LCTBR82K2125 L 261 Inductor LCTB1R0K2125 L 262 Inductor LCTB120K2125 L 271 Inductor LCTB1R0K2125 L 272 Inductor LCTB120K2125 L 281 Inductor LCTB1R0K2125 L 282 Inductor LCTB120K2125 L 291 Inductor LCTB1R0K2125 L 292 Inductor LCTB120K2125 L 293 Inductor LCTB1R0K2125 ...

Page 26: ... 317 RS1 10S101J R 318 RS1 10S101J R 321 RS1 10S123J R 322 RS1 10S123J R 323 RS1 10S103J R 324 RS1 10S103J R 325 GM 8027ZT WL RS1 10S243J R 325 GM 8127ZT WL GM 8027ZT E GM 8127ZT EW RS1 10S303J R 326 GM 8027ZT WL RS1 10S243J R 326 GM 8127ZT WL GM 8027ZT E GM 8127ZT EW RS1 10S303J R 327 RS1 10S101J R 328 RS1 10S101J R 331 RS1 10S123J R 332 RS1 10S123J R 333 RS1 10S103J R 334 RS1 10S103J R 335 GM 80...

Page 27: ... 285 GM 8027ZT E GM 8127ZT EW CKSQYB472K50 C 286 GM 8027ZT WL GM 8127ZT WL CKSQYB392K50 C 286 GM 8027ZT E GM 8127ZT EW CKSQYB472K50 C 287 CEJQ221M6R3 C 288 CKSQYB104K25 C 289 CKSQYB104K25 C 291 CKSQYB104K25 C 292 CEJQ101M10 C 293 CEJQ221M6R3 C 294 CKSQYB104K25 C 295 CKSQYB332K50 C 297 CEJQ221M6R3 C 298 CKSQYB104K25 C 299 CKSQYB104K25 C 301 CEJQ101M10 C 302 CKSQYB102K50 C 303 CKSQYB103K50 C 306 CKS...

Page 28: ...1 Diode RM4LFJ10 D 902 Diode 1SS355 D 904 Diode 1SS355 D 905 Diode ERA15 02VH D 906 Diode UDZS5R6 B D 907 Diode HZU4R3 B3 D 909 Diode MA152WK D 910 Diode 1SS355 D 911 Diode MA152WK D 916 Diode UDZS18 B D 917 Diode UDZS18 B D 950 Diode UDZS7R5 B L 901 Choke Coil 260mH CTH1240 RESISTORS R 501 RS1 10S103J R 502 RS1 10S103J R 503 RS1 10S103J R 504 RS1 10S103J R 505 RS1 10S472J R 506 RS1 10S472J R 507 ...

Page 29: ...2J R 950 RS1 8S272J R 951 RS1 10S182J R 952 RS1 10S183J CAPACITORS C 501 CEAT4R7M50 C 502 CEAT4R7M50 C 503 CEAT4R7M50 C 504 CEAT4R7M50 C 505 CCSQCH101J50 C 506 CCSQCH101J50 C 507 CCSQCH101J50 C 508 CCSQCH101J50 C 509 CKSQYB473K25 C 510 CKSQYB473K25 C 701 CCSQCH101J50 C 702 CCSQCH101J50 C 703 GM 8027ZT WL CCSQCH101J50 C 703 GM 8027ZT E CCSQCH221J50 C 703 GM 8127ZT WL GM 8127ZT EW CCSQCH271J50 C 704...

Page 30: ...C 933 CKSQYB392K50 C 934 CKSQYB392K50 C 935 CKSQYB392K50 C 936 CKSQYB392K50 C 937 CKSQYB392K50 C 938 CKSQYB392K50 C 939 CKSQYB392K50 C 940 CKSQYB392K50 C 941 CKSQYB392K50 C 942 CKSQYB392K50 C 943 CKSQYB392K50 C 944 CKSQYB392K50 C 945 CKSQYB392K50 C 952 CKSQYB221K50 C 953 CKSQYB221K50 C 954 CKSQYB221K50 C 955 CKSQYB221K50 C 960 CKSQYB221K50 C 961 CKSQYB221K50 Unit Number CWM8205 Unit Name Microphon...

Page 31: ...31 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 6 ADJUSTMENT Jigs GGD1153 14P GGD1245 18P ...

Page 32: ...I AUI FR FR KEX M8527ZT UC GM 8027ZT E RSE ECU 24P 10P 32P 20P 12P 16P MCD 32P Rear Display F TEN 16P 16P 24P 20P 16P 16P AV Unit 10P 32P GGD1306 CDX M8027ZT E AMP 32P 12P GGD1304 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regul...

Page 33: ...P 12P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR 24P GGD1302 AMP MCD NAVI ECU DENSO 6P 20P Please connect only one Multi CD at the same time MCD does not operate if RSA controller is not connected Bullet connector SP Line Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Connection Diagram ...

Page 34: ...4P 12P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR GGD1300 AMP MCD NAVI ECU DENSO 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time Connection Diagram ...

Page 35: ...R FR FX MG8527ZT UC GM 8027ZT E RSE ECU 24P 10P 32P 20P 12P 16P Rear Display F TEN 16P 16P 24P 20P 16P 16P AV Unit 10P 32P GGD1306 AMP SDVD PANA 20P 20P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Connection Diagram ...

Page 36: ...1169 FX MG8527ZT UC GM 8027ZT E H U 12P 20P 18P 10P 10P 14P 20P 20P 25P 16P 16P 20P 25P GGD1240 FR FR 24P GGD1302 AMP 6P 12P 24P 32P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Connection Diagram ...

Page 37: ...Bullet connector To DC Regulated Power Supply Bullet connector SP Line Connection Diagram H U 12P 20P 20P 25P 16P 16P GGD1169 20P 25P GGD1240 AMP FX MG8527ZT EW L FX MG8627ZT EW R GM 8027ZT E L GM 8027ZT WL R GM 8127ZT EW L GM 8127ZT WL R Bullet connector To DC Regulated Power Supply Bullet connector SP Line Connection Diagram ...

Page 38: ...2P 12P 20P 6P 10P 14P 8P 18P 10P 10P 14P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 FR FR GGD1300 AMP MCD GGD1304 32P 12P 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time Connection Diag...

Page 39: ...n you disconnect the connector for ASL you need to be careful Refer to the sentence and the figure below When you disconnect the Cord Assy CDE6990 that connects between DSP PCB and Microphone PCB get your hand on the connector Never pull the cable directly because it s very week and easy to be cut Hook your pointed fingers nail and you can disconnect it easily ...

Page 40: ... jig CAN 906 CAN 912 Observe the output at VR401 314 30mV apply a sine wave of 100dBSPL ALS1 on a audio analyzer voltage directly to the MIC terminal Corresponding to analog Close up as much as possible meter 7Hz To connect the Amp unit and the DSP unit use Jig GGD1153 and GGD1245 Caution 1 Before starting measurement be sure to perform the initial check for the ASL adjustment jig The sound pressu...

Page 41: ...ord Assy Seal and Cover on it 2 Notes When you install the Cover put the Cord Assy fully inside the Cover Make the length of the visible part of heat shrink tube of the Cord Assy to be 1 mm or shorter when the Cover is seen from above the top 1 1 1 1 1 Fig 1 Fig 2 Fig 3 Case Cover Cover Seal Cord Assy Shield Case DSP Unit Removing the Case Fig 1 Notes the Cover Fig 1 Removing the Shield Case Fig 2...

Page 42: ...oving the Cover in Fig 1 Removing the Shield Case Fig 4 Remove the five screws and then remove the Shield Case Removing the Amp Unit Fig 5 Remove the six screws Remove the two screws and then remove the Heat Sink Remove the two screws Remove the three screws and then remove the Amp Unit Fig 4 Shield Case Fig 5 Heat Sink Amp Unit ...

Page 43: ... 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 not performed Faulty pawl bending point The portion marked by is a point in which pawl bending and soldering are necessary DSP UNIT ...

Page 44: ...3 4 1 2 3 4 F E D C B A GM 8027ZT WL 7 1 2 CONNECTOR FUNCTION DESCRIPTION B WFL WFR GND E RL RR FL FR B2 WFL WFR RL RR FL FR SPD L R N MU TMUT ASGD ACC L R MUTE B MR MR TML ML TX TX TX TX SPD TX TX MUTE A A B ...

Page 45: ...t 25 DSPIN I DSPI F serial data input 26 DSPCK O C DSPI F serial clock output 27 TESTIN I Test program start input 28 TSOUT O C Test serial data output 29 TSIN I Test serial data input 30 TSCK I Test serial clock input 31 SMUTEIN I System mute input 32 62 NC Not used 63 THROU I LOW fixed terminal 64 CALIB O C Power IC control output 65 PWSENS I Power IC heat sense input 66 SYSPW1 O C System power ...

Page 46: ...L R L R AVC LAN AVC LAN B ACC OPTION 1 2 2DIN RSA OPTION REAR DISPLAY AMPLIFIER PIONEER or OTHER MAKERS SPEAKER DVD P OTHER MAKERS RSE ECU OTHER MAKERS 2DIN HEAD UNIT L R HEAD PHONE OTHER MAKERS 1 3 2DIN RSE OPTION EXTENSION UNIT OTHER MAKERS INFRARED HEAD PHONE REMOTE CONTROLLER L R L R L R L R AVC LAN AVC LAN AVC LAN AVC LAN B ACC 46 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 7 3 EXPLANATION 7 3 1...

Page 47: ... AVC LAN 2 2 1DIN 2 3 1DIN CD CH EMV OTHER MAKERS NAVI ECU OTHER MAKERS AVC LAN L R AVC LAN L R AMPLIFIER PIONEER SPEAKER 1DIN HEAD UNIT AVC LAN B ACC CD CH EMV OTHER MAKERS AVC LAN PIONEER RGB L R AMPLIFIER PIONEER SPEAKER 1DIN HEAD UNIT AVC LAN B ACC EMV OTHER MAKERS NAVI ECU OTHER MAKERS AVC LAN L R AVC LAN CD CH DVD CH OPTION PIONEER TV TUNER OTHER MAKERS L R NTSC ...

Page 48: ...LAN CD CH L R AVC LAN L R NTSC REAR DISPLAY AMPLIFIER PIONEER or OTHER MAKERS SPEAKER DVD P OTHER MAKERS RSE ECU OTHER MAKERS 1DIN HEAD UNIT HEAD PHONE OTHER MAKERS 2 5 1DIN RSE OPTION EXTENSION UNIT OTHER MAKERS INFRARED HEAD PHONE REMOTE CONTROLLER L R L R L R AVC LAN AVC LAN AVC LAN B ACC TV TUNER OTHER MAKERS CD CH PIONEER OTHER MAKERS EMV NAVI ECU OTHER MAKERS AVC LAN AVC LAN AVC LAN L R NTSC...

Page 49: ...JUDGMENT System ON OFF OFF status System ON waiting Power ON Pin 66 H Mute ON Pin 1 H BEEP output available ON status System OFF waiting Power ON Pin 66 H Mute OFF Pin 1 L BEEP output available JUDGMENT DSP error confirmation communication error Serial IF processing error Pin 68 JUDGMENT ACC Back up ON OFF START Hard ware reset cancel Main loop Error return DSP reset Pin 9 About 1 second Error Com...

Page 50: ...2 3 4 F E D C B A GM 8027ZT WL 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 ...

Page 51: ...51 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 8 OPERATIONS There is no information to be shown in this chapter ...

Page 52: ...ONEER 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 AUG 2002 Printed in Japan ...

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