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Pioneer FX-MG8517ZT/UC Service Manual

Pioneer lexus es300 audio system head unit
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Service
Manual
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS ES300
U.S.A., CANADA
LEXUS ES300
U.S.A., CANADA
Manufactured for TOYOTA
by PIONEER CORPORATION
ES300
PRODUCED AFTER
TOYOTA PART No.
July 2001
86120-33510
July 2001
86120-33520
ORDER NO.
CRT2680
ID No.
PIONEER MODEL No.
P6816
FX-MG8517ZT/UC
P6818
FX-MG8817ZT/UC
CRT2680
PUB. NO.

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Summary of Contents for Pioneer FX-MG8517ZT/UC

  • Page 1 Service Manual ORDER NO. CRT2680 ES300 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS ES300 U.S.A., CANADA July 2001 86120-33510 P6816 FX-MG8517ZT/UC LEXUS ES300 U.S.A., CANADA July 2001 86120-33520 P6818 FX-MG8817ZT/UC...
  • Page 2 FX-MG8517ZT,MG8817ZT FX-MG8517ZT/UC FX-MG8817ZT/UC ID No.P6816 ID No.P6818 - 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.

  • Page 3: Table Of Contents

    FX-MG8517ZT,MG8817ZT CONTENTS 1. SAFETY INFORMATION ..........3 7. GENERAL INFORMATION ........81 2. EXPLODED VIEWS AND PARTS LIST .......4 7.1 DIAGNOSIS ............81 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...14 7.1.1 TEST MODE..........81 4. PCB CONNECTION DIAGRAM ........38 7.1.2 SELF-DIAGNOSTIC FUNCTION....87 5. ELECTRICAL PARTS LIST ........64 7.1.3 DISASSEMBLY ........91 6.

  • Page 4: Exploded Views And Parts List

    FX-MG8517ZT,MG8817ZT 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR(1/2)
  • Page 5 FX-MG8517ZT,MG8817ZT 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. - EXTERIOR(1/2) SECTION PARTS LIST Mark No. Description Part No.
  • Page 6 FX-MG8517ZT,MG8817ZT 2.2 EXTERIOR(2/2)
  • Page 7 FX-MG8517ZT,MG8817ZT - EXTERIOR(2/2) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 PCB CNP5516 40 Holder CNC9092 2 Chassis CNA2256 41 Terminal(CN800) CKF1059 3 Damper CNV5120 42 Plug(CN803) CKM1221 4 Holder CNC7477 43 Connector(CN801) CKM1322 5 Screw(M2x2) CBA1250 44 Plug(CN300)
  • Page 8 FX-MG8517ZT,MG8817ZT 2.3 CD MECHANISM...
  • Page 9 FX-MG8517ZT,MG8817ZT - 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 10 FX-MG8517ZT,MG8817ZT 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 11 FX-MG8517ZT,MG8817ZT...
  • Page 12 FX-MG8517ZT,MG8817ZT 2.4 CASSETTE MECHANISM MODULE...
  • Page 13 FX-MG8517ZT,MG8817ZT - 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 14: Block Diagram And Schematic Diagram

    FX-MG8517ZT,MG8817ZT 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 Q202...
  • Page 15 FX-MG8517ZT,MG8817ZT ANALOG SWITCH BALANCE TO UNBALANCE CONVERTER ANALOG SWITCH MIXING AMP IC305 SYSTEM MUTE TC74HC4066AF IC301 IC302 IC303 IC 401 TUNL TC7W66F NJM2068MD NJM2068MD NJM2068MD Q407 Q401 Q402 8R5V Q303 Q307(2/2) Q305 ILL+ ILL- SW5V Q405(2/2) FMMUT Q307(1/2) Q308 MUTE Q861 ldet HARD MUTE...
  • Page 16 FX-MG8517ZT,MG8817ZT 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 : -46.9dBs : -18.6dBs : +1.8dBs MAIN FM 30% 400Hz : -26.9dBs FM/AM TUNER UNIT : -17.0dBs ANTENNA...
  • Page 17 FX-MG8517ZT,MG8817ZT NOTE : Symbol indicates a resistor. Decimal points for resistor The > mark found on some component parts indicates No differentiation is made between chip resistors and and capacitor fixed values the importance of the safety factor of the part. discrete resistors.
  • Page 18 FX-MG8517ZT,MG8817ZT...
  • Page 19 FX-MG8517ZT,MG8817ZT...
  • Page 20 FX-MG8517ZT,MG8817ZT...
  • Page 21 FX-MG8517ZT,MG8817ZT...
  • Page 22 FX-MG8517ZT,MG8817ZT 3.3 FM/AM TUNER UNIT FM/AM TUNER UNIT FM FRONT END AM OSC FM OSC AM RF FM,AM FM,AM...
  • Page 23 FX-MG8517ZT,MG8817ZT FM,AM FM IF...

  • Page 24: Keyboard Unit

    FX-MG8517ZT,MG8817ZT 3.4 KEYBOARD UNIT KEYBOARD PCB LOAD KEYBOARD UNIT Consists of DCLOSE TAPE EJECT KEYBOARD PCB RIGHT PCB LEFT PCB TRAF CD EJECT LCD DRIVER AND KEY CONTROLLER LCD1804 : CAW1636...
  • Page 25 FX-MG8517ZT,MG8817ZT RIGHT PCB TUNE/ AUDIO CONTROL SCAN TAPE DISC TYPE 5.0V 6.0V 8.1V LEFT PCB PWR/ DOWN...
  • Page 26 FX-MG8517ZT,MG8817ZT 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 27 FX-MG8517ZT,MG8817ZT FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER...
  • Page 28 FX-MG8517ZT,MG8817ZT 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 29 FX-MG8517ZT,MG8817ZT D/A CONVERTER ROLLER 4M DRAM MOTOR DRIVER...
  • Page 30 FX-MG8517ZT,MG8817ZT 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 31 FX-MG8517ZT,MG8817ZT 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 32 FX-MG8517ZT,MG8817ZT 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 33 FX-MG8517ZT,MG8817ZT 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 34: Cassette Mechanism Module

    FX-MG8517ZT,MG8817ZT 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 35 FX-MG8517ZT,MG8817ZT 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 36 FX-MG8517ZT,MG8817ZT 3.9 CONTROL UNIT CONTROL UNIT PD5715A CD CONTROLLER...
  • Page 37 FX-MG8517ZT,MG8817ZT...

  • Page 38: Pcb Connection Diagram

    FX-MG8517ZT,MG8817ZT 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 39 FX-MG8517ZT,MG8817ZT SIDE A MAIN 12 13 14 15 16 17 18 19 ANTENNA ANTENNA FRONT...
  • Page 40 FX-MG8517ZT,MG8817ZT MAIN UNIT...
  • Page 41 FX-MG8517ZT,MG8817ZT SIDE B...
  • Page 42 FX-MG8517ZT,MG8817ZT 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 43 FX-MG8517ZT,MG8817ZT SIDE B...
  • Page 44 FX-MG8517ZT,MG8817ZT 4.3 KEYBOARD PCB 2 4 6 8 10 CN1901 1 3 5 7 9 SIDE A 2 4 6 8 10 CN1902 1 3 5 7 9...
  • Page 45 FX-MG8517ZT,MG8817ZT SIDE B CN804...
  • Page 46 FX-MG8517ZT,MG8817ZT 4.4 CD CORE UNIT(SERVO UNIT) SIDE A PICKUP UNIT (SERVICE)
  • Page 47 FX-MG8517ZT,MG8817ZT SIDE B...
  • Page 48 FX-MG8517ZT,MG8817ZT 4.5 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SIDE A...
  • Page 49 FX-MG8517ZT,MG8817ZT SIDE B CD CORE UNIT(STS UNIT)
  • Page 50 FX-MG8517ZT,MG8817ZT 4.6 MOTOR PCB(A) SIDE A MOTOR PCB(A) M3 ELV M1 CAM GEAR ELV SENSE CN201...
  • Page 51 FX-MG8517ZT,MG8817ZT SIDE B MOTOR PCB(A) CN801...
  • Page 52 FX-MG8517ZT,MG8817ZT 4.7 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B)
  • Page 53 FX-MG8517ZT,MG8817ZT CN301 CARRIAGE...
  • Page 54 FX-MG8517ZT,MG8817ZT 4.8 PCB UNIT(D) 4.8 PCB UNIT(B) PCB UNIT(B) PCB UNIT(D) CN802 S887 CLAMP S886 ELV HOME...
  • Page 55 FX-MG8517ZT,MG8817ZT 4.10 PCB UNIT(C) Q881 PCB UNIT(C) L801 L802 S885 MAX DETECT D883...
  • Page 56 FX-MG8517ZT,MG8817ZT 4.11 LOAD MOTOR PCB LOAD MOTOR PCB LOAD 4.12 PCB UNIT(A) PCB UNIT(A) D892 D891...
  • Page 57 FX-MG8517ZT,MG8817ZT 4.13 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B...
  • Page 58 FX-MG8517ZT,MG8817ZT 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 59 FX-MG8517ZT,MG8817ZT 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 60 FX-MG8517ZT,MG8817ZT 4.17 CONTROL UNIT SIDE A...
  • Page 61 FX-MG8517ZT,MG8817ZT SIDE B...
  • Page 62 FX-MG8517ZT,MG8817ZT 4.18 LEFT PCB SIDE A SIDE B DOWN CN1803...
  • Page 63 FX-MG8517ZT,MG8817ZT 4.19 RIGHT PCB SIDE A SIDE B TYPE CN1802 TUNE AUDIO CONTROL...

  • Page 64: Electrical Parts List

    FX-MG8517ZT,MG8817ZT 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 65 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S223J CEAL3R3M50 RS1/16S393J CKSYB474K16 RS1/16S104J CEAL220M6R3 RS1/16S0R0J CKSQYB104K16 RS1/16S242J CKSQYB104K16 RS1/16S473J CEAL3R3M50 RS1/16S103J CKSRYB102K50 RS1/16S104J CCSRCH100D50 RS1/16S104J CKSRYB103K25 RS1/16S103J CCSRCH100D50 RS1/16S202J CKSRYB332K50...
  • Page 66 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor DTC144TK Diode 1SS355 Transistor FMG13 Diode UDZ20(B) Transistor FMG13 Diode ERA15-02VH Transistor FMG13 Diode UDZS5R6(B) IMH4 Diode HZU8R2(B1) Transistor IMX1 Diode...
  • Page 67 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S102J RS1/10S153J RS1/16S102J RS1/10S392J RS1/16S102J RS1/10S272J RS1/10S103J RS1/10S272J RS1/10S473J RS1/10S222J RS1/10S105J RS1/10S222J RS1/16S151J RS1/10S222J RS1/16S821J RS1/10S183J RS1/16S0R0J RS1/10S183J RS1/10S102J RS1/10S222J 1kΩ...
  • Page 68 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S102J RS1/10S221J RS1/10S473J RS1/10S331J RA2CQ102J RS1/10S471J RS1/10S473J RS1/10S102J RS1/10S0R0J RS1/4S1R5J RS1/16S473J RS1/4S1R5J RS1/10S102J RS1/10S471J RS1/16S472J RS1/10S105J RA2CQ102J RS1/10S361J RA2CQ473J RS1/10S152J RA3C102J RS1/10S222J...
  • Page 69 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 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 CKSQYB222K50 4.7µF/35V...
  • Page 70 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB472K50 CAPACITORS CKSQYB103K50 CKSQYB103K50 CKSYB102K50 CKSQYB103K50 CKSQYB102K50 CKSQYB103K50 CKSQYB102K50 CKSQYB102K50 CKSQYB102K50 CKSQYB102K50 CKSQYB102K50 CKSQYB223K50 CCSQCH101J50 CKSQYB223K50 CKSQYB102K50 CKSQYB223K50 CKSQYB102K50 CCSQCH180J50 Unit Number : CWM7926 CCSQCH180J50...
  • Page 71 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1835 Chip LED SML210FC(KL) 1848 RS1/16S121J 1836 Chip LED SML210FC(KL) 1849 RS1/16S101J 1837 Chip LED SML210FC(KL) 1850 RS1/16S121J 1838 Chip LED SML210FC(KL) 1851...
  • Page 72 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S331J 1914 RS1/16S121J RS1/16S331J 1915 RS1/16S121J RS1/16S331J 1916 RS1/16S151J RS1/16S331J 1917 RS1/16S151J RS1/16S471J 1918 RS1/16S151J RS1/16S471J 1919 RS1/16S121J RS1/16S471J 1920 RS1/16S121J RS1/16S101J...
  • Page 73 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB334K16 Unit Number : CWX2422 10µF/10V CCH1349 Unit Name : CD Core Unit(STS Unit) CEVL101M6R3 CKSQYB334K16 MISCELLANEOUS CKSQYB334K16 CXD2511R CCSRCH151J50 MSM514400DP-60TS CCSRCH151J50...
  • Page 74 FX-MG8517ZT,MG8817ZT =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Diode 1SS355 CKSQYB103K50 Semi-fixed 33kΩ(B) CCP1280 Semi-fixed 33kΩ(B) CCP1280 CKSQYB103K50 CKSYB104K50 RESISTORS CKSQYB103K50 CKSQYB472K50 RS1/16S181J CKSQYB334K16 RS1/16S181J RS1/16S183J CKSQYB223K25 RS1/16S183J CKSRYB103K50 RS1/16S133J...

  • Page 75: Adjustment

    FX-MG8517ZT,MG8817ZT 6. ADJUSTMENT 6.1 TUNER, CASSETTE SECTION - Connection Diagram FX-MG8517ZT/UC GM-8217ZT/WL FX-MG8817ZT/UC(PREMIUM) POWER AMP BULLET GGD1092 GGD1270 CONNECTOR CD CHANGER(DOP) CDX-M8067ZT/E...
  • Page 76 FX-MG8517ZT,MG8817ZT BACK UP +13.2V DC Regulated Power Supply Lch + 4Ω Lch - mV Meter (1) Oscilloscope (1) GM-8217ZT/WL 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 77 FX-MG8517ZT,MG8817ZT 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 78 FX-MG8517ZT,MG8817ZT AM NOISE CANCELER ADJUSTMENT Connection: Output FX-MG8517ZT/UC AM dummy 2-signal pad Noise meter antenna FX-MG8817ZT/UC Pulse generator (equivalent to HP8011A) Setting of the pulse generator (setting of superimposed pulse) Pulse width :50µsec 4Vp-p(EMF) Pulse intervals :5msec 50us Pulse voltage :4Vp-p Adjustment: 1.

  • Page 79: Checking The Grating After Changing The Pickup Unit

    FX-MG8517ZT,MG8817ZT 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 80 FX-MG8517ZT,MG8817ZT Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 81: General Information

    FX-MG8517ZT,MG8817ZT 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 See page 83. regulator, thus the reference potential of the signal is RFOUT (approximately 2.5V) rather than GND.
  • Page 82 FX-MG8517ZT,MG8817ZT - 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 CD Error No. Display PBUS Test Mode In PBUS TEST CD ERR XX DISC(CD) 3sec Diag.
  • Page 83 FX-MG8517ZT,MG8817ZT - 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 [MSG] [TYPE] Power ON Mechanism Test Mode Power ON New Test Mode (T.OFFSET adjustment required)
  • Page 84 FX-MG8517ZT,MG8817ZT - 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 85 FX-MG8517ZT,MG8817ZT 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 86 FX-MG8517ZT,MG8817ZT 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 87: Self-Diagnostic Function

    FX-MG8517ZT,MG8817ZT 7.1.2 SELF-DIAGNOSTIC FUNCTION...
  • Page 88 FX-MG8517ZT,MG8817ZT...
  • Page 89 FX-MG8517ZT,MG8817ZT...
  • Page 90 FX-MG8517ZT,MG8817ZT...

  • Page 91: Disassembly

    FX-MG8517ZT,MG8817ZT 7.1.3 DISASSEMBLY Note) Never hold this figure's upper part such as transfer grille, hazard switch. Hold within the hatchingline part, lower of the illustration. Note) For the installation position is fixed as the factory setting position, never disassemble the bracket which is showed at Fig.
  • Page 92 FX-MG8517ZT,MG8817ZT Holder Unit Keyboard PCB Removing the Keyboard PCB, Right PCB and Right PCB Left PCB (Fig.2) Remove the two screws and then remove the Holder Unit. Remove the eleven screws and then remove the Keyboard PCB, Right PCB and Left PCB. Left PCB Fig.2 Removing the Frame Unit (Fig.3)
  • Page 93 FX-MG8517ZT,MG8817ZT Case Chassis Fig.6 Bracket Fig.5 - Removing the Control Unit (Fig.7) 1. Unbend the tabs at two locations indicated by arrows until straight. 2. Remove the screw F. 3. Disconnect the two connectors, and then remove the Control Unit. - Removing the Mechanism Unit (Fig.7) 1.
  • Page 94 FX-MG8517ZT,MG8817ZT Removing the Main Unit (Fig.8) Straight the tabs at four locations indicated. Remove the screw and then remove the Main Unit. Removing the Cassette Mechanism Module (not shown) 1. Remove the four screws and then remove the Cassette Mechanism Module. Main Unit Fig.8 - How to remove the Tray Assy...
  • Page 95 FX-MG8517ZT,MG8817ZT - How to remove the Carriage Mechanism 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 96 FX-MG8517ZT,MG8817ZT - 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 97: Pcb Locations

    FX-MG8517ZT,MG8817ZT 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) FM/AM TUNER UNIT MAIN UNIT CONTROL UNIT LEFT PCB PCB UNIT REEL PCB KEYBOARD PCB RIGHT PCB...

  • Page 98: Connector Function Description

    FX-MG8517ZT,MG8817ZT 7.1.5 CONNECTOR FUNCTION DESCRIPTION MAIN ANTENNA SUB ANTENNA GND TXM- TXM+ ILL- ILL+ TLMT MUTE SGND SGND MUTE...

  • Page 99: Parts

    FX-MG8517ZT,MG8817ZT 7.2 PARTS 7.2.1 IC - Pin Functions (PD5610B) Pin No. Pin Name Function and Operation Signal level input MDSN Modulation level input rdslk RDS signal input KLIGHT Lamp power supply control output LCD driver data output LCD driver data input LCD driver clock output BYTE Connect to VSS...
  • Page 100 FX-MG8517ZT,MG8817ZT Pin No. Pin Name Function and Operation ENC2+ AUD encoder(+)input ENC2- AUD encoder(-)input dload CDM load key input Illumination power supply control output Power supply terminal ANSW TUNER audio analog switch RDSMT RDS mute output AMMUT AM mute output FMMUT FM mute output Not used...
  • Page 101 FX-MG8517ZT,MG8817ZT - Pin Functions (PD5715A) 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 102 FX-MG8517ZT,MG8817ZT 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 103: Display

    FX-MG8517ZT,MG8817ZT 7.2.2 DISPLAY - CAW1636...

  • Page 104: Explanation

    FX-MG8517ZT,MG8817ZT 7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM POWER SUPPLY(+B, ACC) AVC-LAN SIGNAL(SOUND) FX-MG8517ZT/UC FX-MG8817ZT/UC CHANGER CDX-M8067ZT/E SIGNAL (BALANCE) EVOL + ASL WOOFER +B, ACC GM-8217ZT/WL GM-8417ZT/WL...

  • Page 105: Operational Flow Chart

    FX-MG8517ZT,MG8817ZT 7.3.2 OPERATIONAL FLOW CHART Power ON VDD=5V Pin 16,pin 62 bsens Pin 75 asens Pin 73 IPPW Pin 22 Satrts communication with AVC-LAN swvdd Pin 45 BRST Pin 39 Starts communication with G1 microcomputer Source Keys operative Source ON syspowrL Pin 52 Completes power-on operation.

  • Page 106: Operations And Specifications

    FX-MG8517ZT,MG8817ZT 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - RADIO PRESET RECALL SCAN RADIO TEXT INDICATE PRESET CH.MEMORY PRESET SCAN RADIO TEXT MEMORY RDS ON/OFF MANUAL SEEK PTY INDICATE DOWN TUNING BALANCE FADER VOLUME, BASS POWER ON/OFF TREBLE MID RANGE TRAFFIC INFORMATION - TAPE FAST...
  • Page 107 FX-MG8517ZT,MG8817ZT - CD DISC NUMBER RANDOM FAST UP SELECT PLAY FAST TRACK DISC SCAN CD LOAD DOWN DISC TRACK SCAN CD EJECT REPEAT DOWN TRACK NUMBER SEARCH DOWN TUNING BALANCE VOLUME, FADER POWER ON/OFF BASS TREBLE MID RANGE...

  • Page 108: 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. JUNE 2001 Printed in Japan...
  • Page 109 Service Manual ORDER NO. CRT2736 ES300 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS ES300 U.S.A., CANADA July 2001 86230-33030 FX-MG8517ZT-91/UC Manufactured for TOYOTA CRT2736 by PIONEER CORPORATION PUB. NO.

  • Page 110: Exploded Views And Parts List

    CRT2376 CD Mech. Module:Circuit Description, Mech.Description, Disassembly EXPLODED VIEWS AND PARTS LIST EXTERIOR(1/2)(Page 4) - EXTERIOR SECTION PARTS LIST *: Non Spare Part Part No. Mark No. Symbol and Description FX-MG8517ZT/UC FX-MG8517ZT-91/UC 1 90467-10203 CNV5641 Not used 2 Seal CNM7391...
  • Page 111 FX-MG8517ZT-91 PACKING 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. - PACKING SECTION PARTS LIST Mark No. Description Part No.
  • Page 112 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. JUNE 2001 Printed in Japan...

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