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Service
Manual
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS LS430
EUROPE
LEXUS LS430
EUROPE
LEXUS LS430
UNITED KINGDOM August 2000
LEXUS LS430
UNITED KINGDOM August 2000
Manufactured for TOYOTA
by PIONEER CORPORATION
LS430
PRODUCED AFTER
TOYOTA PART No.
August 2000
86120-50610
August 2000
86120-50770
86120-50620
86120-50780
ORDER NO.
CRT2548
ID No.
PIONEER MODEL No.
P3900
FX-MG8506ZT/EW
P3900
FX-MG8506ZT-91/EW
P3901
FX-MG8606ZT/EW
P3901
FX-MG8606ZT-91/EW
CRT2548
PUB. NO.
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Related Manuals for Pioneer FX-MG8506ZT
Summary of Contents for Pioneer FX-MG8506ZT
- Page 1 Service Manual ORDER NO. CRT2548 LS430 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS LS430 EUROPE August 2000 86120-50610 P3900 FX-MG8506ZT/EW LEXUS LS430 EUROPE August 2000 86120-50770 P3900 FX-MG8506ZT-91/EW LEXUS LS430...
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Page 2: Table Of Contents
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. - Supplementary model is identical to the original except for the addition of following items. Description Part No. FX-MG8506ZT-91/EW FX-MG8606ZT-91/EW Polyethylene Bag CEG1026 CEG1026 Carton... - Page 3 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - CD Player Service Precautions 1. For pickup unit(CXX1313) handling, please refer to"Disassembly"(see page 84). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin). 2. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a con- nector is plugged or unplugged.
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Page 4: Safety Information
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. -
Page 5: Exploded Views And Parts List
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR(FX-MG8506ZT/EW,FX-MG8506ZT-91/EW) NOTE: Please use the gray part shown in figure above cut- ting off when you exchange the rubber(CNV5881) for new parts. - Page 6 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 7 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 NOTE: - Parts marked by "*"are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - EXTERIOR SECTION PARTS LIST Mark No. Description Part No.
- Page 8 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 2.2 EXTERIOR(FX-MG8606ZT/EW,FX-MG8606ZT-91/EW) NOTE: Please use the gray part shown in figure above cut- ting off when you exchange the rubber(CNV5881) for new parts.
- Page 9 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 10 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ26P040FMC 45 Lighting Conductor CNV6638 2 Screw BMZ26P050FMC 46 SW Unit CWM6872 3 Screw BMZ50P080FMC 47 Connector(CN905) CKS4354 (FX-MG8606ZT/EW) 48 Grille Unit...
- Page 11 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 2.3 CD MECHANISM...
- Page 12 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - CD MECHANISM SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1-9 ••••• 57 Cam CNC8774 10 CD Core Unit(Servo Unit) CWX2421 58 Holder CNC7235 11 Connector(CN101) CKS2764 59 Gear CNC7236 12 Connector(CN301) CKS3966...
- Page 13 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Mark No. Description Part No. Mark No. Description Part No. 104 Lever Unit CXB4949 CXB6929 Motor Unit(M1 Cam Gear) 105 Arm Unit CXB2712 155 Motor Unit(M3 ELV) CXB3175 106 Lever Unit CXB4948 156 Screw JFZ20P025FMC 107 Lever Unit CXB2714...
- Page 14 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 2.4 CASSETTE MECHANISM MODULE...
- Page 15 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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...
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Page 16: Block Diagram And Schematic Diagram
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(FX-MG8506ZT/EW) MAIN UNIT CD CORE UNIT(SERVO UNIT) PICKUP UNIT(SERVICE) CN101 CD CORE UNIT(STS UNIT) RF AMP 8fs DF D/A LPF CN701 CN701 CN801 CN201 Q301 IC 201 CD MUTE IC 601... - Page 17 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 ANALOG SW UNBAL → BAL IC305 MIXING Q307 Q301 SYS MUTE TC74HC4066AF CD MUTE TAPE MUTE IC301 IC302 IC303 NJM2068MD NJM2068MD NJM2068MD Q303 Q305 Q602 Q309 ILL+ ILL- Q702 Q603 Q833 Q831 SW5V MUTE Q601 SW5V X601 HARD MUTE 10.00MHz...
- Page 18 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(FX-MG8506ZT/EW) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. MAIN UNIT MIXING AMP Large size TAPE MUTE TAPE : -4.8dBs TAPE 250nwb/m 315Hz : -7.2dBs SCH diagram : +2.2dBs...
- Page 19 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 NOTE : UNBALANCE TO BALANCE CONVERTER Symbol indicates a resistor. Decimal points for resistor ANALOG SWITCH No differentiation is made between chip resistors and and capacitor fixed values discrete resistors. are expressed as : ← Symbol indicates a capacitor.
- Page 20 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 21 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 22 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 23 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 24 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(FX-MG8606ZT/EW) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. MAIN UNIT MIXING AMP TAPE MUTE TAPE : -4.8dBs TAPE 250nwb/m 315Hz : -7.2dBs : +2.2dBs CD MUTE CD 0dB 1kHz : +2.1dBs...
- Page 25 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 NOTE : UNBALANCE TO BALANCE CONVERTER Symbol indicates a resistor. Decimal points for resistor ANALOG SWITCH No differentiation is made between chip resistors and and capacitor fixed values discrete resistors. are expressed as : ← Symbol indicates a capacitor.
- Page 26 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 27 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 28 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 29 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91...
- Page 30 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.4 SW UNIT, KEYBOARD UNIT(FX-MG8506ZT/EW) KEYBOARD UNIT TAPE EJECT SW UNIT...
- Page 31 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 CN804...
- Page 32 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.5 SW UNIT, KEYBOARD UNIT(FX-MG8606ZT/EW) KEYBOARD UNIT TAPE EJECT SW UNIT...
- Page 33 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 CN804...
- Page 34 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.6 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 35 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER...
- Page 36 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.7 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 37 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 D/A CONVERTER ROLLER 4M DRAM MOTOR DRIVER...
- Page 38 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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.
- Page 39 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 40 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 41 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.8 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 42 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 3.9 CASSETTE MECHANISM MODULE DECK UNIT CN252 VR302 CCP1280 Q271 33K(B) 2SC4116 R260 R258 C253 390P Rev-L R283 0R0 R275 R256 C254 390P Rev-R MSGV(R) NFI(L) R284 0R0 R403 C405 R033 RIN(L) MAOUT C271 R291 C404 R01 IC251 Fwd-R...
- Page 43 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 PCB UNIT M1 MOTOR UNIT (MAIN MOTOR) CN253 EXA1499 LOAD R373 load 70µs ESG1004 R375 ESG1004 R277 220K R362 R275 MODE SENSE C405 R033 R404 270K EGN1 EGN1005 CN254 MOTOR UNIT (SUB MOTOR) EGN2 EGN3 VCC2 EXA1382 EGN1006 EGN1006...
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Page 44: Pcb Connection Diagram
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 45 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE A CN701 CN251 FRONT...
- Page 46 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 MAIN UNIT FRONT...
- Page 47 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B...
- Page 48 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.2 SW UNIT SIDE A...
- Page 49 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B...
- Page 50 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE A 4.3 KEYBOARD UNIT...
- Page 51 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B...
- Page 52 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.4 CD CORE UNIT(SERVO UNIT) SIDE A PICKUP UNIT (SERVICE)
- Page 53 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B...
- Page 54 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.5 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SIDE A...
- Page 55 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B CD CORE UNIT(STS UNIT)
- Page 56 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.6 MOTOR PCB(A) SIDE A MOTOR PCB(A) M3 ELV M1 CAM GEAR ELV SENSE CN201...
- Page 57 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 SIDE B MOTOR PCB(A) CN801...
- Page 58 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.7 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B)
- Page 59 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 CN301 CARRIAGE...
- Page 60 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.9 PCB UNIT(D) 4.8 PCB UNIT(B) PCB UNIT(B) PCB UNIT(D) CN802 S887 CLAMP S886 ELV HOME...
- Page 61 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.10 PCB UNIT(C) Q881 PCB UNIT(C) S885 MAX DETECT D883...
- Page 62 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.11 LOAD MOTOR PCB LOAD MOTOR PCB LOAD 4.12 PCB UNIT(A) PCB UNIT(A) D892 D891...
- Page 63 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.13 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B...
- Page 64 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4.14 DECK UNIT DECK UNIT SIDE A IC,Q ADJ C351 C401 C352 VR302 CN254 C354 VR302 Q271 Q271 R351 R355 C403 C404 R291 C402 CN253 R262 R275 R403 R256 CN252 R284 IC351 R274 IC351 R282 R273 R281 IC251 IC251...
- Page 65 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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...
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Page 66: Electrical Parts List
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 67 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S911J RS1/10S104J RS1/10S223J RS1/4S101J RS1/10S223J RS1/4S101J RS1/10S223J RS1PMF680J RS1/10S223J RS1/10S433J RS1/10S222J RS1/10S103J RS1/10S222J RS1/10S222J RS1/10S222J RS1/10S103J RS1/10S222J RS1/10S102J RS1/10S510J...
- Page 68 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S102J CKSQYB103K50 RS1/10S223J CKSQYB103K50 RS1/10S221J CCSQCH101J50 RS1/10S331J CCSQCH101J50 RS1/10S471J CCSQCH101J50 RS1/10S102J CCSQCH101J50 RS1/4S1R5J CCSQCH101J50 RS1/4S1R5J CCSQCH101J50 RS1/4S1R5J CCSQCH101J50 RS1/4S1R5J...
- Page 69 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB222K50 Unit Number : CWX2421 CKSQYB222K50 Unit Name : CD Core Unit(Servo Unit) CKSQYB222K50 MISCELLANEOUS Unit Number : CWM6872...
- Page 70 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CAPACITORS RESISTORS CEV101M6R3 RS1/16S102J CKSQYB104K16 RS1/16S202J CEV470M6R3 RS1/16S392J CKSQYB334K16 RS1/16S822J CCSRCH240J50 RS1/16S163J CKSRYB222K50 RS1/16S512J CEV4R7M35 RS1/16S182J CKSRYB273K25 RS1/16S222J CCSRCH101J50...
- Page 71 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : RS1/10S0R0J RS1/10S0R0J Unit Name : PCB Unit(D) RS1/8S0R0J RS1/16S102J Photo-transistor CPT230SCTD RS1/16S102J Photo-transistor CPT230SCTD RS1/16S102J Unit Number :...
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Page 72: Adjustment
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 6. ADJUSTMENT 6.1 CASSETTE SECTION - Connection Diagram FX-MG8506ZT/EW(LHD) FX-MG8606ZT/EW(RHD) Electro Multi Vision Main Unit CN301 GGD1234 BULLET BULLET CONNECTOR CONNECTOR Hide Away TUNER Navi ECU GEX-T9006ZT/EW GGD1232 BULLET DSP AMP Rear Controller CONNECTOR GM-9006ZT/E CD-R1976ZT/E GGD1169 BULLET CONNECTOR... - Page 73 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 74 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...
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Page 75: General Information
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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 76. - Page 76 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - CD Player Flow Chart [Key] [1] + [6] + [DISC] 3 times Diag. Mode In Contents Display [TRACK UP] + [AM] Test Mode In PBUS TEST EW model ES model [MSG] [ASL] [P.SCAN] [DISC] 3sec [TYPE] [PTY] [ASL] Diag.
- Page 77 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - CD Mechanism Test Mode Flow Chart [Key] [1] + [6] + [DISC] 3 times Diag. Mode In Contents Display [TRACK UP] + [AM] Test Mode In PBUS TEST EW model ES model [DISC] 3sec [MSG] [ASL] [P.SCAN] Diag. off...
- Page 78 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Operating Procedures for Ejecting a Clamped Disc Select CAMMOTOR using [3], then press the [TRACK DOWN] while the disc is being clamped (CAMSW state is 32). The CAMSW status indication sequentially changes through 32→33→23→22. When the disc to be ejected is not identical with the disc being clamped, select the [4 ] ELVMOTOR in the vicinity of where the display changes from 22 to 20, then match the elevation to the disc to be ejected according to the following procedures: After selecting ELVMOTOR, lower the elevation until the ELV position display becomes 01 (1st disc) using the [TRACK DOWN].
- Page 79 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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).
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Page 80: Diagnosis Mode
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.1.2 DIAGNOSIS MODE 1. How to Enter Diagnostic Test Mode Diagnostic Test Mode Speed = 0 km/h, PKB = ON Tail OFF to ON to OFF to ON to OFF in this sequence pressing the information switch. Entering from the head unit Press F1 and F6 (or F7 and F8) at the same time and press the Disc (or CD) button three times with (F1 pressed first). - Page 81 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 4. Service test Use the function key on the Diagnosis menu screen to select Service Check Mode. 6 MODE screen calling switch Service Check Mode MODE Fr-DISPLAY AUDIO H/U : OK NAVI-ECU CHEK TV-TUNER DSP AMP : NG : OK...
- Page 82 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Calling the "Communication Diagnosis Detailed Information" or "Individual Diagnosis Detailed Information" screen • When test results are "Exchange", "Check" or "Old Ver", this display is used as a switch to switch to the detailed display screen of "Communication Diagnosis" or "Individual Diagnosis" and to check the contents.
- Page 83 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 "Individual Diagnosis" detailed information screen Error codes of the equipment displayed as "Exchange" are displayed on the Service Check screen by being divided into the current and previous errors. Current error • Error codes which were entered in the system test are displayed. (Up to six items) Previous error •...
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Page 84: Disassembly
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.1.3 DISASSEMBLY Case Removing the Case (Fig.1) Remove the two screws. Remove the two screws and then remove the Guide. Remove the two screws. Remove the two screws and then remove the Case. Guide Fig.1 Cassette Mechanism Module Removing the Grille Assy (Fig.2) Remove the two screws and then remove the Grille Assy. - Page 85 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Removing the Chassis Unit (Fig.4) Remove the seven screws and then remove the Chassis Unit. Fig.4 Chassis Unit - Removing the Mechanism Assy (Fig.5) 1. Disconnect the Connector. 2. Remove the three screws A, and then remove the Holder and Damper.
- Page 86 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - How to remove the Tray Assy 1. Apply about 6V current to the Cam gear motor until all holes match at the position (A) (elevation OK position). 2. Hook the three springs B temporarily as shown in Fig.
- Page 87 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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.
- Page 88 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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.
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Page 89: Pcb Locations
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.1.4 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 KEYBOARD UNIT PCB UNIT REEL PCB SW UNIT DECK UNIT... -
Page 90: Connector Function Description
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.1.5 CONNECTOR FUNCTION DESCRIPTION TXS+ ATX+ SGND MUTE ILL+ MUTE SGND ILL- TXS- ATX- TXM+ TXM-... - Page 91 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.2 IC - Pin Functions (PD5556B) Pin No. Pin Name Function and Operation LOFF LCD driver OFF output Chip enable output for EEPROM BLIGHT Back Light ON/OFF output LAMP power supply control LCD driver data output Not used Clock output for LCD driver...
- Page 92 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 Pin No. Pin Name Function and Operation kst$ Key strobe output KST3 Key strobe output kst@ Key strobe output kst! Key strobe output kst) Key strobe output Music sense input Head forward/reverse select output PLAY MS gain select output...
- Page 93 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - Pin Functions (PD5575B) 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...
- Page 94 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-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...
- Page 95 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 HA12216F NFI(L) MSGV(R) Dolby B-N RIN(L) MAOUT FIN(L) MSDET MSOUT FIN(R) MSGV VREF RIN(R) 120/70 Dolby B-N NFI(R)
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Page 96: Explanation
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM POWER SUPPLY(+B, ACC) - NAVIGATION SYSTEM SIGNAL(SOUND, VISION) +B, ACC MARK LEVINSON NAVIGATION (OTHER MAKERS) FX-MG8506ZT/EW FX-MG8606ZT/EW (OTHER MAKERS) CD-R1976ZT/E - (7SP+REAR CONTROLLER) REAR CONTROLLER FX-MG8506ZT/EW FX-MG8606ZT/EW MARK LEVINSON CHANGER (OTHER MAKERS)DOP RADIO... - Page 97 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 POWER SUPPLY(+B, ACC) - (7SP) SIGNAL(SOUND, VISION) MARK LEVINSON FX-MG8506ZT/EW FX-MG8606ZT/EW CHANGER (OTHER MAKERS) RADIO +B, ACC TUNER GEX-T9006ZT/EW...
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Page 98: Operational Flow Chart
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 7.3.2 OPERATIONAL FLOW CHART Power ON VDD=5V 16pin, 62pin bsens 20pin asens 19pin IPPW 22pin Starts communication with AVC-LAN. swvdd 45pin brst 36pin Starts communication with G1 microcomputer. Source Keys operative Source ON Completes power-on operation. (After that, proceed to each source operation.) -
Page 99: Operations And Specifications
FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - RADIO(FX-MG8506ZT/EW) TRAFFIC ANNOUNCEMENT CHANNEL SEEK DOWN DOWN MANUAL TUNING VOLUME, POWER ON/OFF - RADIO(FX-MG8606ZT/EW) TRAFFIC ANNOUNCEMENT SEEK CHANNEL DOWN DOWN MANUAL TUNING VOLUME, POWER ON/OFF... - Page 100 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - TAPE(FX-MG8506ZT/EW) TAPE EJECT DERCTION CHANGE AUTOMATIC PROGRAM SEARCH DOWN TAPE VOLUME, POWER ON/OFF - TAPE(FX-MG8606ZT/EW) DERCTION CHANGE TAPE EJECT AUTOMATIC PROGRAM SEARCH DOWN TAPE VOLUME, POWER ON/OFF...
- Page 101 FX-MG8506ZT,MG8506ZT-91,MG8606ZT,MG8606ZT-91 - CD / MD(FX-MG8506ZT/EW) DISC NUMBER CD-CH SELECT MD-CH DISC CHANGE UP DOWN TRACK NUMBER SEARCH DOWN CD EJECT VOLUME, CD LOAD POWER ON/OFF - CD / MD(FX-MG8606ZT/EW) DISC NUMBER CD-CH SELECT MD-CH DISC CHANGE DOWN TRACK NUMBER SEARCH...
- Page 102 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 2000 K-ZZD. AUG. 2000 Printed in Japan...