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Pioneer SC430 Service Manual
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Pioneer SC430 Service Manual

Pioneer SC430 Service Manual

Lexus sc430 audio system head unit
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Service
Manual
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS SC430
EUROPE
LEXUS SC430
EUROPE
LEXUS SC430
EUROPE
LEXUS SC430
EUROPE
Manufactured for TOYOTA
by PIONEER CORPORATION
SC430
PRODUCED AFTER
TOYOTA PART No.
April 2001
86120-24420
April 2001
86120-24420
April 2001
86120-24400
April 2001
86120-24400
ORDER NO.
CRT2585
ID No.
PIONEER MODEL No.
P3905
FX-MG8156ZT/EW
P3905
FX-MG8156ZT-91/EW
P3904
FX-MG8317ZT/EW
P3904
FX-MG8317ZT-91/EW
CRT2585
PUB. NO.

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  • Page 1 Service Manual ORDER NO. CRT2585 SC430 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS SC430 EUROPE April 2001 86120-24420 P3905 FX-MG8156ZT/EW LEXUS SC430 EUROPE April 2001 86120-24420 P3905 FX-MG8156ZT-91/EW LEXUS SC430...
  • Page 2 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 FX-MG8156ZT/EW FX-MG8317ZT/EW ID No.P3904 ID No.P3905 - When the Repair is Complete When the repair is complete, make the CD mechanism ready for transportation. Bup On, Acc OFF SEEK/TRACK UP+ DISC(CD)+Acc ON Display : The mode is shifting to the transportation mode. Disc loading slot illumination : Blinking Display : SHIP Shift completion to the transportation mode.

  • Page 3: Table Of Contents

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 CONTENTS 1. SAFETY INFORMATION ..........3 7.1.3 PCB LOCATIONS ........88 2. EXPLODED VIEWS AND PARTS LIST .......4 7.1.4 CONNECTOR FUNCTION DESCRIPTION ..89 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12 7.2 PARTS ..............90 4. PCB CONNECTION DIAGRAM ........36 7.2.1 IC ..............90 5.

  • Page 4: Exploded Views And Parts List

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR...
  • Page 5 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 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. (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No.
  • Page 6 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Mark No. Description Part No. 91 Insulator CNM5969 92 Sheet CNM5981 93 Sheet CNM6318 94 Cushion CNM7023 95 PCB CNP5516 96 Damper CNV5120 97 Holder CNV5543 98 Screw IMS20P040FMC EXK3891 Cassette Mechanism Module 100 Screw IMS26P040FMC 101 Screw ISS26P060FMC 102 Screw PMB26P060FMC 103 Label...
  • Page 7 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 2.2 CD MECHANISM...
  • Page 8 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - CD MECHANISM SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1-9 ••••• 59 Gear CNC7236 10 CD Core Unit(Servo Unit) CWX2421 60 Gear CNC9512 11 Connector(CN101) CKS2764 61 Lever CNC7243 12 Connector(CN301) CKS3966 62 Lever CNC7244 13 Connector(CN201)
  • Page 9 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Mark No. Description Part No. Mark No. Description Part No. 109 Screw CBA1041 159 Screw CBA1453 110 Screw CBA1250 160 Washer CBF1038 111 Screw CBA1362 CXX1486 Loading Arm R Assy(Service) 112 Screw CBA1471 162 Washer CBF1074 113 Washer CBF1038 163 Spring CBH2136 114 Spring...
  • Page 10 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 2.3 CASSETTE MECHANISM MODULE...
  • Page 11 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ20P040FMC 31 Gear ENV1347 2 Washer CBF1037 32 Collar ENV1508 3 Washer CBF1038 33 Gear ENV1350 4 Washer CBG1003 34 Flywheel ENV1500 5 Deck Unit EWM1030...

  • Page 12: Block Diagram And Schematic Diagram

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM MAIN UNIT FM/AM TUNER UNIT AM NOISE CANCELER IC 553 FM/AM 1ST IF 10.7MHz FM FRONT END HA12181FP AMDET T31 Q31 CF51 CF52 CF53 ANT2 SUB ANTENNA Q403 9 10 ANT1 MAIN ANTENNA Q201...
  • Page 13 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 ANALOG SWITCH BALANCE TO UNBALANCE CONVERTER MIXING AMP IC305 SYSTEM MUTE TC74HC4066AF IC301 IC302 IC303 TUNL NJM2068MD NJM2068MD NJM2068MD Q401 Q402 Q303 Q307(2/2) Q305 ILL+ ILL- SW5V ANT+ Q405(2/2) FMMUT Q307(1/2) Q308 MUTE Q861 ldet HARD MUTE TUNB 8R5V AVC-LAN MUTE Q801 CN801...
  • Page 14 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. Large size SCH diagram MAIN UNIT : -43.4dBs MAIN : -20.6dBs ANTENNA ANTENNA : +1.8dBs FM/AM TUNER UNIT : -13.5dBs FM 30% 400Hz : -27.9dBs...
  • Page 15 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 BALANCE TO UNBALANCE CONVERTER CD : +8.3dBs HARD MUTE > BUS DRIVER AVC-LAN MUTE VDD 5V REGULATOR SYSTEM CONTROLLER ANTENNA CONTROL SWITCH ILLUMINATION SENSE RESET BACKUP SENSE ANTENNA POWER SWITCH ACC SENSE ILLUMINATION CD ILLUMINATION SWITCH SWITCH LCD BACK LIGHT POWER REGULATOR ILLUMINATION 8V REGULATOR CD9V REGULATOR AUDIO +B REGULATOR...
  • Page 16 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...
  • Page 17 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...
  • Page 18 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...
  • Page 19 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...
  • Page 20 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.3 FM/AM TUNER UNIT FM/AM TUNER UNIT PA4026A...
  • Page 21 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...
  • Page 22 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.4 KEYBOARD UNIT KEYBOARD UNIT CD EJECT LCD DRIVER AND KEY CONTROLLER CAW1691...
  • Page 23 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 TAPE EJECT AUDIO TUNE POWER VOL...
  • Page 24 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.5 CD CORE UNIT(SERVO UNIT) CD CORE UNIT(SERVO UNIT) RF AMP/ AUTO POWER PICKUP UNIT CONTROL (SERVICE)(P8) CD DRIVER MOTOR PCB(B) M4 CARRIAGE CXB3178 DISC INSERT DETECT M5 SPINDLE CXM1120...
  • Page 25 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER...
  • Page 26 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.6 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SURE TRACK MEMORY CONTROLLER +5V REGULATOR M1 : CXB6929 ELV SENSE Q1 : RPI-221 M3 : CXB3175 MOTOR PCB MOTOR DRIVER...
  • Page 27 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 D/A CONVERTER ROLLER 4M DRAM MOTOR DRIVER...
  • Page 28 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFOUT:2.5V - Waveforms 1 RFO 1 RFO 1 CH1: RFO 0.5V/div. 0.2µs/div. 0.5V/div. 0.5µs/div. 1V/div. 0.5ms/div. 2 CH2: MIRR Normal mode: play Test mode 5V/div. Normal mode: The defect part passes 500µs/div.
  • Page 29 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3 CH1: FIN 1V/div. 8 CH1: TEY 8 CH1: TEY 0.5V/div. 0.5V/div. 0.2s/div. 5ms/div. 500µs/div. $ CH2: HOLD 6 CH2: FEY ! CH2: SD 5V/div. 0.1V/div. 0.5V/div. µ Normal mode: The defect part passes 800 Normal mode: AGC after focus close REFOUT→...
  • Page 30 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 8 CH1: TEY 8 CH1: TEY 0.5V/div. 0.5V/div. & SCKO 2V/div. 500ns/div. 5ms/div. 10ms/div. 9 CH2: TIN 9 CH2: TIN 0.5V/div. 0.5V/div. Test mode: 100 tracks jump(FWD) Normal mode: Play Play REFOUT→ REFOUT→ REFOUT→ REFOUT→ REFOUT→ ) CH1: RCH 2V/div.
  • Page 31 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.7 PCB UNIT(A,B,C,D,E), LOAD MOTOR PCB PCB UNIT(B) PCB UNIT(E) PCB UNIT(C) CPT230SCTD MAX DETECT SWITCH PCB UNIT(A) CN802 CPT230SCTD CXB3177 PCB UNIT(D) S886:CSN1052 S887:CSN1051 LOAD MOTOR PCB...

  • Page 32: Cassette Mechanism Module

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.8 CASSETTE MECHANISM MODULE DECK UNIT CN252 VR302 CCP1280 Q271 33K(B) 2SC4116 R260 R258 C253 390P Rev-L R284 0R0 R275 R256 C254 390P Rev-R MSGV(R) NFI(L) R283 0R0 R403 C405 R03 MAOUT RIN(L) C271 R287 C404 R01 IC251 Fwd-R R282 0R0 R404 1/50...
  • Page 33 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 PCB UNIT M1 MOTOR UNIT (MAIN MOTOR) CN253 EXA1499 LOAD R375 load ESG1004 70µs R373 ESG1004 4116 R277 220K R362 R275 MODE SENSE C405 R033 R404 270K EGN1 EGN1005 CN254 MOTOR UNIT (SUB MOTOR) EGN2 EGN3 VCC2 EXA1382 EGN1006 EGN1006 FWD END REV END...
  • Page 34 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 3.9 CONTROL UNIT CONTROL UNIT PD5673A CD CONTROLLER...
  • Page 35 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91...

  • Page 36: Pcb Connection Diagram

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4. PCB CONNECTION DIAGRAM 4.1 MAIN UNIT MAIN UNIT 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 diagram.
  • Page 37 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE A MAIN 12 13 14 15 16 17 18 19 ANTENNA ANTENNA FRONT...
  • Page 38 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 MAIN UNIT...
  • Page 39 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B...
  • Page 40 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 41 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B...
  • Page 42 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.3 KEYBOARD UNIT SIDE A...
  • Page 43 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B...
  • Page 44 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.4 CD CORE UNIT(SERVO UNIT) SIDE A PICKUP UNIT (SERVICE)
  • Page 45 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B...
  • Page 46 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.5 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SIDE A...
  • Page 47 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B CD CORE UNIT(STS UNIT)
  • Page 48 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.6 MOTOR PCB(A) SIDE A MOTOR PCB(A) M3 ELV M1 CAM GEAR ELV SENSE CN201...
  • Page 49 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B MOTOR PCB(A) CN801...
  • Page 50 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.7 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B)
  • Page 51 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 CN301 CARRIAGE...
  • Page 52 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.8 PCB UNIT(D) 4.8 PCB UNIT(B) PCB UNIT(B) PCB UNIT(D) CN802 S887 CLAMP S886 ELV HOME...
  • Page 53 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.10 PCB UNIT(C) Q881 PCB UNIT(C) L801 L802 S885 MAX DETECT D883...
  • Page 54 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.11 LOAD MOTOR PCB LOAD MOTOR PCB LOAD 4.12 PCB UNIT(A) PCB UNIT(A) D892 D891...
  • Page 55 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.13 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B...
  • Page 56 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.14 DECK UNIT DECK UNIT CN301 SIDE A CN251 C271 C321 DECK UNIT SIDE B IC,Q Q352 R292 R358 VR301 Q271 Q352 C353 VR301 Q271 Q351 R373 Q351 R278 R284 C356 CN252 R374 R375 R276 R356 R281 R277 CN253 IC251 R282 IC251...
  • Page 57 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.15 PCB UNIT SIDE A PCB UNIT LOAD SW 70µs SW MODE SENSE EGN1 SIDE B PCB UNIT 6 5 4 3 2 1 CN253 MOTOR UNIT (MAIN MOTOR) 4.16 REEL PCB REEL PCB...
  • Page 58 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 4.17 CONTROL UNIT SIDE A...
  • Page 59 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 SIDE B...

  • Page 60: Electrical Parts List

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 5. ELECTRICAL PARTS LIST NOTES: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
  • Page 61 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S0R0J CKSQYB104K16 RS1/16S562J CKSQYB104K16 RS1/16S104J CEAL3R3M50 RS1/16S104J CKSRYB102K50 RS1/16S472J CCSRCH100D50 RS1/16S202J CKSRYB103K25 RS1/16S123J CCSRCH100D50 RS1/16S103J CKSRYB332K50 RS1/16S0R0J CKSQYB473K16 RS1/16S0R0J CKSQYB473K16 RS1/10S153J CKSQYB103K25...
  • Page 62 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor IMX1 Diode HZU8R2(B1) Chip Transistor 2SC2712 Diode HZU8R2(B1) Transistor DTC114EU Diode 1SS355 Transistor 2SD2351 Diode HZU8R2(B1) Transistor DTC114EU Diode 1SS355 Transistor...
  • Page 63 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S105J RS1/10S222J RS1/10S151J RS1/10S222J RS1/10S0R0J RS1/10S223J RS1/10S102J RS1/10S223J 1kΩ CCN1120 RS1/10S153J RS1/10S102J RS1/10S153J RS1/10S102J RS1/10S103J RS1/10S0R0J RS1/10S103J RS1/10S333J RS1/10S224J RS1/10S104J RS1/10S224J RS1/10S104J...
  • Page 64 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RA3C102J RS1/10S242J RA3C473J RS1/4S2R2J RA3C103J RS1/10S471J RS1/10S103J RS1/10S105J RA3C102J RS1/10S102J RA3C473J RS1/10S152J 1kΩ CCN1120 RS1/10S242J 47kΩ CCN1131 RS1/10S103J RS1/10S473J RS1/10S332J RA3C102J RS1/8S821J...
  • Page 65 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB105K16 CKSQYB472K50 CKSQYB104K50 CEAL100M16 CKSQYB222K50 CKSQYB473K50 CKSQYB103K50 CEAL2R2M50 CKSQYB103K50 CKSQYB102K50 CKSQYB223K50 CKSQYB103K50 CKSQYB104K50 CKSQYB103K50 4.7µF/35V CCH1016 CKSQYB392K50 4.7µF/35V CCH1016 CKSQYB472K50 4.7µF/35V CCH1016...
  • Page 66 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 100µF/10V CCH1402 RS1/10S512J CKSQYB103K50 RS1/10S104J 100µF/10V CCH1282 RS1/10S154J CKSQYB103K50 RS1/10S183J CKSQYB472K50 RS1/10S102J 100µF/10V CCH1402 CAPACITORS CKSQYB472K50 CKSQYB102K50 CKSQYB103K50 CKSYB102K50 CKSQYB103K50 CKSQYB102K50 CKSQYB102K50...
  • Page 67 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RESISTORS RESISTORS RS1/8S241J RS1/8S100J RS1/8S241J RS1/8S120J RS1/8S241J RS1/16S822J RS1/8S241J RS1/16S682J RS1/16S223J RS1/16S183J RS1/16S223J RS1/16S822J 1kΩ CCN1120 RS1/16S333J 1kΩ CCN1120 RS1/16S683J RS1/16S681J RS1/16S134J...
  • Page 68 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S101J CKSRYB682K50 RS1/16S471J CKSRYB333K16 RS1/16S471J CKSQYB334K16 RS1/10S100J CKSQYB334K16 RS1/16S471J CKSQYB334K16 RS1/16S471J CKSQYB334K16 RS1/16S471J CKSQYB104K16 RS1/10S102J CKSRYB472K50 CKSQYB104K16 CAPACITORS CCSRCH5R0C50 CKSQYB334K16 CKSRYB153K25 CKSQYB334K16...
  • Page 69 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/8S0R0J Unit Number : RS1/8S0R0J Unit Name : Motor PCB(B) RS1/16S123J RS1/16S332J Motor Unit(Carriage) CXB3178 RS1/16S911J Motor(Spindle) CXM1120 RS1/16S274J Unit Number : Unit Name : Load Motor PCB...

  • Page 70: Adjustment

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 6. ADJUSTMENT 6.1 TUNER, CASSETTE SECTION - Connection Diagram EMV Type GM-8117ZT/E GM-8617ZT/WL FX-MG8317ZT/EW GATEWAY HEAT FX-MG8156ZT/EW (NIPPON DENSO) CONTROLLER (PREMIUM) GGD1239 BULLET GGD1234 GGD1255 BULLET CONNECTOR CONNECTOR GM-8117ZT/E MARK LEVINSON(PREMIUM) BULLET GGD1169 CONNECTOR BULLET CONNECTOR NAVI ECU (AISHIN AW) NAVI AMP GM- 8617ZT/WL Except for EMV Type...
  • Page 71 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 BACK UP +13.2V DC Regulated Power Supply Lch + 4Ω Lch - Oscilloscope (1) mV Meter (1) GM-8117ZT/E Rch + 4Ω Rch - Dummy Antenna Antenna Plug 50Ω(37.5Ω) Stereo FM SSG Modulator 50Ω(75Ω) MAIN UNIT Antenna Jack Extention Cord GGD1121 DECK UNIT CN251 DC V...
  • Page 72 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) S2:STEREO MOD., 1kHz, L or R=60%(40.5kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize.
  • Page 73 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 AM NOISE CANCELER ADJUSTMENT Connection: Output FX-MG8156ZT/EW 2-signal pad AM dummy Noise meter FX-MG8317ZT/EW Pulse generator (equivalent to HP8011A) Setting of the pulse generator (setting of superimposed pulse) Pulse width :50usec 4Vp-p(EMF) Pulse intervals :5msec 50us Pulse voltage :4Vp-p Adjustment: 1.

  • Page 74: Checking The Grating After Changing The Pickup Unit

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT • Note : The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module.
  • Page 75 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 76: General Information

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Test Mode 1) Precautions on Adjustment 2) Description of the Test Mode • The unit employs a single voltage (+5V) for the • Turning on the Test Mode regulator, thus the reference potential of the signal is See page 77.
  • Page 77 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - How to enter the CD Test Mode How to enter the CD Test Mode [1] + [6] + [DISC] 3 times Diag. In Contents Display P190 (*2) UP+AM 4+DOWN PBUS Test Mode In CD Error No. Display PBUS TEST CD ERR XX DISC(CD) 3sec Diag.
  • Page 78 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - CD Player Flow Chart [Key] [1] + [6] + [DISC] 3 times Diag. Mode In Contents Display [SEEK UP] + [AM] Test Mode In PBUS TEST [DISC] 3sec Diag. off [DISC] Source CD [TYPE] [MSG] Power ON Mechanism Test Mode Power ON New Test Mode (T.OFFSET adjustment required)
  • Page 79 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - CD Mechanism Test Mode Flow Chart [Key] [1] + [6] + [DISC] 3 times Diag. Mode In Contents Display [SEEK UP] + [AM] Test Mode In PBUS TEST [DISC] 3sec Diag. off [CD] or [DISC] Source CD [MSG] [TYPE] Mechanism Test In CD Test Mode...
  • Page 80 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Operation steps from CLAMP to EJECT Press the [3] key to select the CAM MOTOR, and drive the CAM MOTOR from the CLAMP position (CAMSW:32) for the REV direction. The CAMSW display changes as 32→33→23→22. If the disc clamped is not the disc to be ejected, around the shifting point between 22 and 20, press the [4] key to select the ELV MOTOR and to position the elevation to the disc to be ejected.
  • Page 81 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - Error No. Display The error mode is turned on if a CD player becomes not playable or is forced to halt due to an error. Cause(s) of an error will be indicated with numerical characters. The error-number-display function is intended to facilitate the error analysis and resulting repair work.
  • Page 82 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Code Name Description Door OPENING While the mechanism is in operation, should have been closed a door was opened. Roller OFF time-out 4 seconds have elapsed before completing the roller OFF (the cam gear has not been rotated to the roller-OFF end position). Roller SET time-out 4 seconds have elapsed before completing the roller SET.

  • Page 83: Disassembly

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.1.2 DISASSEMBLY Case Removing the Case (Fig.1) Remove the four screws and then remove the Case. Removing the Grille Assy (Fig.1) Remove the two screws. Disconnect the connector and then remove the Grille Assy. Grille Assy Fig.1 Removing the Chassis (Fig.2) Remove the eleven screws and then remove the Chassis.
  • Page 84 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Cassette Mechanism Module Removing the Cassette Mechanism Module (Fig.3) Remove the four screws and then remove the Cassette Mechanism Module. Fig.3 - Removing the Control Unit (Fig.4) 1. Unbend the tabs at two locations indicated by arrows until straight. 2.
  • Page 85 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Removing the Main Unit (Fig.5) Straight the tabs at four locations indicated. Remove the screw and then remove the Main Unit. Fig.5 Main Unit - How to remove the Tray Assy 3. Lift up the Tray assy to remove it. 1.
  • Page 86 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - How to remove the Carriage Mech Assy * When the positions of all holes match, they will be 1. Insert a short pin into the flexible PCB of the Pickup completely covered by the Carriage mech assy. unit. * To rotate the Cam Gear motor, see "How to remove 2.
  • Page 87 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - How to remove the Pickup unit 1. Remove the pulling spring, torsion spring and E- Pulling spring shaped ring. Then remove the Clamper arm. E-shaped ring * The spring (A) will be removed with the Clamper Clamper arm arm.

  • Page 88: Pcb Locations

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.1.3 PCB LOCATIONS MOTOR PCB(A) MOTOR PCB(B) PCB UNIT(B) CD CORE UNIT(SERVO UNIT) CD CORE UNIT(STS UNIT) LOAD MOTOR PCB PCB UNIT(D) PCB UNIT(A) PCB UNIT(C) PCB UNIT(E) MAIN UNIT FM/AM TUNER UNIT CONTROL UNIT PCB UNIT REEL PCB KEYBOARD UNIT DECK UNIT...

  • Page 89: Connector Function Description

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.1.4 CONNECTOR FUNCTION DESCRIPTION SUB ANTENNA MAIN ANTENNA GND TXM- TXM+ ILL- ANTB TXS+ ILL+ MUTE SGND SGND MUTE ANTA DOS1 TXS+...

  • Page 90: Parts

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.2 PARTS 7.2.1 IC - Pin Functions (PD5567A) Pin No. Pin Name Function and Operation SD level input from tuner MDSN Modulation level input rdslk RDS LK signal input LAMP Lamp power supply control output LCD driver data output LCD driver data input Clock output for LCD driver BYTE...

  • Page 91: Fx-Mg8156Zt,Mg8156Zt-91,Mg8317Zt,Mg8317Zt

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Pin No. Pin Name Function and Operation ENC2- AUD encoder (-) input dload CDM load key input LAMP power supply control output Power supply terminal RECIVE During RDS data reception output RDSMT RDS mute output AMMUTE AM mute output FMMUTE FM mute output Door switch input...
  • Page 92 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 - Pin Functions (PD5673A) Pin No. Pin Name Format Function and Operation VDIN Power supply short sensor input doorsw Door open position SW input Not used bsrq P-BUS service request output clamp DISC clamp SW input elhome ELV reset position SW input XSCK CD LSI clock output CD LSI data output...
  • Page 93 FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 Pin No. Pin Name Format Function and Operation Not used VREF A/D converter reference voltage input AVSS A/D GND ADRMON The remainder amount address monitor input EREF DRAM A/D reference voltage output Disc photo sense input 1 Disc photo sense input 2 Disc photo sense input 3 ELVSNS ELV position photo sense input...

  • Page 94: Display

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.2.2 DISPLAY - CAW1691...

  • Page 95: Explanation

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM NAVI ECU (North America, (Other makers) Europe, Australia : Other makers) Front:80Wx2.2Ω Special 2DIN G1 3in1 Rear:29Wx2.6Ω 8ch DSP Sq, Tw:43Wx2.4Ω GM-8117ZT/E FX-MG8156ZT/EW Wf:80Wx2.2Ω FX-MG8317ZT/EW [or MARK LEVINSON] [or MARK LEVINSON] Steering SW Gateway ECU Audio door MD changer (Europe trade edition)

  • Page 96: Operational Flow Chart

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 7.3.2 OPERATIONAL FLOW CHART Power ON VDD=5V Pin 16, Pin 62 bsens Pin 75 asens Pin 73 IPPW Pin 22 Starts communication with AVC-LAN. swvdd Pin 45 brst Pin 39 Starts communication with G1 microcomputer. Source Keys operative Source ON syspw Pin 52 Completes power-on operation.

  • Page 97: Operations And Specifications

    FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - RADIO PRESET RECALL RADIO TEXT INDICATE AUTOMATIC PRESET CH.MEMORY RADIO TEXT MEMORY PRESET MEMORY TUNING BALANCE FADER BASS VOLUME, TREBLE POWER ON/OFF MID RANGE AF LIST MEMORY MANUAL SEEK PTY INDICATE DOWN TRAFFIC INFORMATION - TAPE...

  • Page 98: Specifications

    PIONEER ELECTRONICS SERVICE 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 2001 K-ZZD. MAR. 2001 Printed in Japan...

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