Pioneer FX-M8427ZT-91/UC Service Manual Download Page 55

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Connection:

Setting

the

pulse

generator

(setting

superimposed pulse)

Adjustment:

1. Setting of SSG

Receiving frequency

: 1,000 kHz

Percentage modulation : 30%

Modulation frequency : 400 Hz

Antenna input

: 74 dBuV (EMF)

2. T

signal with the above-mentioned pulse and

4. Variable resistance adjust noise level to a

minimam.

Adjustment point : VR561

Pulse generator
(equivalent to HP8011A)

SSG

2-signal pad

AM dummy

Output

Noise meter

Pulse width :50usec

Pulse intervals :5msec

Pulse voltage :4Vp-p

4Vp-p(EMF)

50us

5ms

AM NOISE CANCELER ADJUSTMENT

FX-M8427ZT/UC

Summary of Contents for FX-M8427ZT-91/UC

Page 1: ...or TOYOTA by PIONEER CORPORATION VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No ID No PIONEER MODEL No LEXUS RX330 U S A CANADA February 2003 86120 48170 P6828 FX M8427ZT UC LEXUS RX330 U S A CANADA February 2003 86120 48310 P6828 FX M8427ZT 91 UC RX330 Service Manual ...

Page 2: ...ur ing power on mode may damage the ICs inside the unit 2 To protect the pickup unit from electrostatic dis charge during servicing take an appropriate treat ment shorting solder by referring to the DISAS SEMBLY on page 69 3 After replacing the pickup unit be sure to check the grating See p 59 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for ...

Page 3: ...nces 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product performances But improper lubrication or applying glue may lead to failures or troubles in the product By following the instructions in this manual be sure to apply the prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones ...

Page 4: ...PCB CONNECTION DIAGRAM 30 4 1 MAIN UNIT 30 4 2 KEYBOARD UNIT 34 4 3 CD MECHANISM MODULE 38 4 4 CASSETTE MECHANISM MODULE 40 5 ELECTRICAL PARTS LIST 42 6 ADJUSTMENT 50 6 1 CONNECTION DIAGRAM 50 6 2 AUDIO TUNER ADJUSTMENT 54 6 3 TEST MODE 56 6 4 CD ADJUSTMENT 57 6 5 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 59 6 6 ERROR CODE 61 6 7 AVC LAN DIAGNOSIS MODE 65 7 GENERAL INFORMATION 69 7 1 DIA...

Page 5: ...re S N 40dB or more Distortion 3 or less CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1kHz Number of quantization 16 linear S N 65dB or more Distortion 0 3 or less FM tuner Frequency range 87 75 87 9 107 9 MHz S N 46dB or more 54dBµ input Distortion 1 5 or less IF interference 80dB or more Image interference 35dB or more Stereo Separation...

Page 6: ...tain Box CHL4861 Mark No Description Part No PACKING FX M8427ZT 91 UC SECTION PARTS LIST NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it app...

Page 7: ...7 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 2 2 EXTERIOR ...

Page 9: ...CNM7971 43 Seal CNM8261 44 Connector CNV7249 45 Lighting Conductor CNV7250 46 Rubber CNV7323 47 Rubber CNV7324 48 Rubber CNV7325 49 Screw IMS26P060FTC 50 Sheet CNM8435 51 Button 1 CAC7599 52 Button 2 CAC7600 53 Button 3 CAC7601 54 Button 4 CAC7602 55 Button 5 CAC7603 56 Button 6 CAC7604 57 Button AM CAC7605 58 Button FM CAC7606 59 Button TAPE CAC7607 60 Button DISC CAC7608 61 Button TAPE EJECT CAC...

Page 10: ...10 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC C GEM1035 GEM1035 UD321BR 2 3 CD MECHANISM MODULE E ...

Page 11: ... 38 Bracket CNC9123 39 Frame CNC8947 40 Belt CNT1086 41 Gear CNV6886 42 Gear CNV6316 43 Gear CNV6317 44 Gear CNV6318 45 Gear CNV6319 46 Gear CNV6320 47 Arm CNV6322 48 Arm CNV6323 49 Arm CNV6324 50 Arm CNV6888 51 Arm CNV6889 52 Guide CNV6327 53 Arm CNV6924 54 Guide CNV6921 55 Rack CNV6923 56 Clamper CNV6331 57 Arm CNV6332 58 Guide CNV6333 59 Cover CNV6334 60 Arm CNV6335 61 Guide CNV6336 62 Roller C...

Page 12: ...12 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 2 4 CASSETTE MECHANISM MODULE D E For grease application refer to the service manual for CX 1011 CRT2406 F G ...

Page 13: ...ywheel ENV1554 33 Gathering PCB ENX1073 34 Switch S101 S102 S103 ESG1007 35 Deck Unit EWM1043 36 Plug CN251 CKS3540 37 Gathering PCB ENX1076 38 Motor Unit M1 EXA1618 39 Motor EXM1035 40 Head Assy HD1 EXA1594 41 Arm ENC1537 42 Screw JGZ20P025FNI 43 Bracket ENC1559 44 Chassis Unit EXA1636 45 Pinch Holder Unit EXA1608 46 Pinch Roller ENV1518 47 Pinch Holder Unit EXA1607 48 Pinch Roller ENV1518 49 Ree...

Page 14: ...9 FMSD TUNL MFIX 13 CSL BU 8 4 19 20 3 CN353 IC 3 EEPROM 28 27 FM AM 1ST IF 10 7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER IF AMP DET 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 VDD VCC DI DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF IMG ADJ RF ADJ X901 10 25MHz ANT ADJ LOCL 23 LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz 19 CREQ 11 DGND 1 STIND L ch 5 R ch 9 24 A...

Page 15: ...BL REGULATOR ILLB REGULATOR BU Q563 1 2 Q564 1 2 Q563 2 2 Q564 2 2 AUDIO B FMB AMB 42 AMPW 41 FMPW TUNL CSL CDL B SWVDD LC75804W IC 901 IC202 TC4052BF IC302 TC4052BF 2 2 3 1 1 4 4 BALANCE TO UNBALANCE CONVERTER IC303 NJM2068MD 6 7 IC304 NJM2068MD 6 7 3 ACC R L R SLD1 MUTE GND1 TX1 B TX1 L CN473 SW2 SW1 TX2 TX2 GND2 ADIM SLD2 CN472 RSR RSR RSL RSL RMU ACC B ILL ILL ANT AMP ATX ATX MUTE R R L L GND ...

Page 16: ...ce parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A FM AM TUNER UNIT B CN901 F CN251 E CN701 FM 400Hz 30 MOD 24 2dBs AM 400Hz 30 MOD 12 0dBs CD 1kHz 4 0dBs TAPE 1kHz 7 4dBs SYSTEM CONTROLLER FM DIVERSITY 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE ...

Page 17: ...ng be sure to use parts of identical designation 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 CDCH 1kHz 8 3dBs FM 14 4dBs AM 11 4dBs CD 1 6dBs TAPE 7 4dBs CDCH 2 2dBs FM 4 6dBs AM 1 6dBs CD 8 3dBs TAPE 2 4dBs CDCH 7 8dBs 350µH 5 6 7 8 ...

Page 18: ...18 A a A b A a A a A b 1 2 3 FM AM TUNER UNIT FM DIVERSITY FM 400Hz 30 MOD 24 2dBs AM 400Hz 30 MOD 12 0dBs 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 19: ...19 A a A b A a A a A b 4 5 6 B CN901 F CN251 E CN701 SYSTEM CONTROLLER CD 1kHz 4 0dBs TAPE 1kHz 7 4dBs 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 20: ...20 A a A b A b 1 2 3 A MAIN UNIT FM 14 4dBs AM 11 4dBs CD 1 6dBs TAPE 7 4dBs CDCH 2 2dBs 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 21: ... part Therefore when replacing be sure to use parts of identical designation 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 350µH CDCH 1kHz 8 3dBs FM 4 6dBs AM 1 6dBs CD 8 3dBs TAPE 2 4dBs CDCH 7 8dBs 5 6 7 8 F E D C B A 5 6 7 8 FX M8427...

Page 22: ...22 B D SEEK TRACK UP SEEK TRACK DOWN B KEYBOARD PCB D LEFT PCB A CN804 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 3 3 KEYBOARD UNIT ...

Page 23: ...23 B C RACK UP C RIGHT PCB KEYBOARD UNIT Consists of KEYBOARD PCB RIGHT PCB LEFT PCB 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 24: ... 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC E M1 CXB6007 M2 CXB8284 LOADING CARRIAGE SPINDLE RF AMP ACT MOTOR DRIVER 5V REGULATOR CN101 91K 91K PICKUP UNIT SERVICE P9 E CONTROL UNIT 3 4 CD MECHANISM MODULE ...

Page 25: ...16 934MHz SERVO CONTROL DSP DAC LPF R CN701 TC9495FP A CN351 SWITCHES CONTROL UNIT S901 HOME SWITCH ON OFF S902 CLAMP SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position ...

Page 26: ...e Normal Ref GND Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Test Ref VREF Mode Normal Ref VREF Mode Normal 500ms div 0 CH1 TE 500mV div 8 CH2 FE 500mV div When setting up Source On 200ms div 1µs div CH1 LRCK 2V div CH2 DOUT 2V div During Play 10µs div 7 CH1 MD 500mV div...

Page 27: ...0ms div 1 CH1 DSCSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 8cm CD 200ms div CH1 TEY 500mV div CH2 SD 2V div During inside outside search 200ms div 1 CH1 DSCSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 12 cm CD 200ms div CH1 RFO 2V div CH2 DFCT 5V div 5 CH3 FD 1V div CH4 TD 2V div When reproducing black dots 800µm 500µs div Ref VREF Mode Test Ref VREF Mode Test Ref ...

Page 28: ...L RR FR FL C302 R1 VR302 33K B 8 24dBs 300mV 1dB Fwd R Fwd L Rev R Rev L NFI L RIN L RIP FIN L GND GND FIN R VREF RIN R NFI R M OUT R EQOUT R TAI R BIAS RAI R PBOUT R DET L MUTE MSGV R MAOUT MSI MSDET MSGV F R 120 70 NR MOUT L EQOUT L TAI L NC RAI L PBOUT L NC DET L MSGV S CN252 CN251 DOLBY B NR IC251 VR301 33K B C310 R1 C309 R1 R321 0R0 VCC CCP1280 CCP1280 NC MSOUT NC NC R260 13K R262 270K C401 3...

Page 29: ...2 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1618 M2 MOTOR UNIT SUB MOTOR EXA1623 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN254 MECHANISM DRIVER IC351 PA2020A R375 0R0 R404 270K C405 R033 R277 220K R278 100K Q271 2SC4116 SENSOR UNIT S101 LOAD ESG1007x3 S102 ...

Page 30: ... 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 CN901 F CN251 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 4 PCB CONNECTION DIAGRAM 4 1 MAIN UNIT ...

Page 31: ...31 A SIDE A FRONT FM AM TUNER UNIT ANTENNA E CN701 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 32: ...32 A A MAIN UNIT 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 33: ...33 A SIDE B 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 34: ...34 B B KEYBOARD PCB SIDE A SEEK TRACK UP CD EJECT TAPE EJECT 1 1 2 2 3 3 4 4 5 5 6 6 TEXT MUTE RDS DISC DISC TAPE TAPE FM AM AM FM 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 4 2 KEYBOARD UNIT ...

Page 35: ...35 B B KEYBOARD PCB SIDE B A CN804 C CN904 D CN905 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 36: ... D LEFT PCB SIDE A D LEFT PCB SIDE B C RIGHT PCB SIDE A C RIGHTT PCB SIDE B D B CN902 B CN903 TYPE SCAN SCAN SEEK TRACK DOWN TYPE TRAF POWER VOL TUNE AUDIO CONTROL 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 37: ...37 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 38: ...38 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC E E CONTROL UNIT SIDE A 12EJ DSCSNS HOME M1 SPINDLE MOTOR M2 LOADING CARRIAGE MOTOR A CN351 PICKUP UNIT SERVICE P9 4 3 CD MECHANISM MODULE ...

Page 39: ...39 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC E CONTROL UNIT E SIDE B CLAMP 8EJ ...

Page 40: ...1 M2 HEAD ASSY CN256 21 22 1 10 11 20 21 30 31 40 5 15 25 35 R292 Q271 E R278 R276 R277 R404 C405 C403 C402 C401 C310 C272 R273 R272 R275 R285 R286 R258 C404 R403 R402 R401 C271 IC251 VR302 R283 R282 R281 R284 C253 R253 C252 R252 R287 R296 R321 R288 R255 R261 C255 R257 R259 C301 R271 C309 VR301 C254 R251 C251 R254 C302 R260 C256 R262 R256 R354 R352 R351 R353 E E 1 Q271 A CN353 G 4 4 CASSETTE MECHA...

Page 41: ...41 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC 1 2 3 4 5 6 S101 LOAD S102 MODE S103 70µs CN256 Q101 REEL SENSE L101 L102 SENSOR UNIT CN253 G G F ...

Page 42: ...r IMH1A Q 644 Transistor DTC144EU Q 645 Transistor 2SA1162 Q 721 Transistor 2SC2712 Q 722 Transistor DTA114EU Q 801 Transistor DTC114EU Q 802 Transistor IMX1 Q 805 Transistor DTC144TUA Q 806 Transistor DTC144TUA Q 807 Transistor DTC144TUA Q 808 Transistor 2SB1184F5 Q 809 Transistor 2SB1185 Q 811 Transistor 2SB1185 Q 812 Transistor 2SB1185 Q 813 Transistor 2SA1162 Q 814 Transistor 2SA1162 Q 815 Tra...

Page 43: ... 16S103J R 224 RS1 16S103J R 225 RS1 16S181J R 226 RS1 16S181J R 227 RS1 16S181J R 228 RS1 16S181J R 229 RS1 10S470J R 230 RS1 10S470J R 231 RS1 10S470J R 232 RS1 10S470J R 233 RS1 16S473J R 234 RS1 16S473J R 235 RS1 16S473J R 237 RS1 16S473J R 238 RS1 16S473J R 239 RS1 16S473J R 240 RS1 16S473J R 241 RS1 16S222J R 243 RS1 16S103J R 244 RS1 16S103J R 245 RS1 16S103J R 246 RS1 16S103J R 247 RS1 16S...

Page 44: ...1J R 540 RS1 16S101J R 541 RS1 16S0R0J R 542 RS1 16S0R0J R 547 RS1 16S103J R 548 RS1 10S221J R 561 RS1 16S104J R 562 RS1 16S123J R 563 RS1 16S105J R 564 RS1 16S682J R 567 RS1 16S822J R 568 RS1 16S222J R 569 RS1 16S184J R 570 RS1 16S223J R 571 RS1 16S473J R 582 RS1 16S332J R 583 RS1 16S332J R 584 RS1 16S332J R 585 RS1 16S332J R 601 RS1 16S102J R 602 RS1 16S473J R 603 RS1 16S102J R 604 RS1 16S102J R...

Page 45: ...16S4301D R 856 RS1 16S103J R 857 RS1 16S103J R 858 RS1 4S1R5J R 859 RS1 4S1R5J R 860 RS1 16S223J R 861 RS1 16S103J R 862 RS1 16S104J R 863 RS1 16S223J R 865 RS1 16S103J R 866 RS1 16S103J R 867 RS1 16S472J R 868 RS1 16S102J R 869 RS1 16S102J R 870 RS1 10S102J R 871 RS1 16S472J R 882 RD1 4PU121J R 884 RS1 16S223J R 886 RS1 16S472J R 888 RS1 16S473J CAPACITORS C 201 CEALNP4R7M16 C 202 CEALNP4R7M16 C ...

Page 46: ...92K50 C 519 CKSRYB103K50 C 520 CKSRYB103K50 C 521 CEAT101M10 C 522 CKSRYB103K50 C 523 CEAT100M50 C 524 CKSRYB472K50 C 525 CCSQCH100J50 C 526 CKSRYB102K50 C 529 CKSQYB103K50 C 561 CEAL3R3M50 C 562 CKSRYB333K16 C 563 CEALNP1R0M50 C 564 CQMA683J50 C 565 CQMA333J50 C 566 CQMA333J50 C 567 CQMA333J50 C 569 CKSRYB333K16 C 570 CKSRYB103K50 C 571 CKSRYB682K50 C 572 CEAL470M16 C 573 CKSRYB392K50 C 574 CKSRY...

Page 47: ...902 Encoder TUNE AUDIO CONTROL CSD1087 LCD CAW1722 RESISTORS R 901 RAB4CQ102J R 902 RS1 16S102J R 903 RAB4CQ102J R 905 RS1 16S222J R 906 RS1 16S222J R 907 RS1 16S222J R 908 RS1 16S393J R 909 RS1 16S681J R 910 RAB4CQ102J R 911 RS1 16S471J R 912 RS1 16S103J R 914 RS1 16S223J R 915 RS1 16S223J R 916 RS1 16S223J R 918 RAB4CQ0R0J R 920 RAB4CQ0R0J R 922 RAB4CQ0R0J R 923 RS1 10S331J R 924 RS1 10S331J R 9...

Page 48: ... 408 RS1 16S622J R 409 RS1 16S113J R 410 RS1 16S752J R 701 RS1 16S102J R 702 RS1 16S221J R 703 RS1 16S221J R 704 RS1 16S221J R 705 RS1 16S221J R 706 RS1 16S221J R 707 RS1 16S221J R 708 RS1 16S102J R 709 RS1 16S102J R 710 RS1 16S102J R 901 RS1 16S104J R 902 RS1 16S473J R 903 RS1 16S273J CAPACITORS C 101 CEV470M6R3 C 102 CKSRYB102K50 C 103 CKSRYB104K16 C 104 CKSRYB224K16 C 105 CEV470M6R3 C 106 CKSRY...

Page 49: ... 8S0R0J R 375 RS1 16S0R0J R 401 RS1 16S153J R 402 RS1 16S332J R 403 RS1 16S911J R 404 RS1 16S274J CAPACITORS C 251 CKSRYB391K50 C 252 CKSRYB391K50 C 253 CKSRYB391K50 C 254 CKSRYB391K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 271 CEH1R0M50 C 272 CKSRYB104K16 C 301 CKSRYB104K16 C 302 CKSRYB104K16 C 309 CKSRYB104K16 C 310 CKSRYB104K16 C 351 CKSQYB224K25 C 352 CKSRYB392K50 C 353 CKSRYB103K50 C 354 CKS...

Page 50: ...ZT E H U EMV 8P 12P 20P 6P 10P 14P 8P 10P 18P 8P 32P 18P 10P 6P 10P 14P 12P 20P 20P 24P 8P 20P 20P 20P 24P GGD1317 AUI AUI FL FL AMP VTR Adapter NAVI ECU 32P 20P 20P 24P 32P Rear Disp and SDVD 32P GGD1319 M L AMP SYSTEM cannot use GGD1317 Because external connector is different from pioneer AMP and M L AMP PIO 24P 20P M L 25P 16P Moreover GGD1240 which is a previous jig cannot be used Because the ...

Page 51: ... U EMV 12P 20P 6P 10P 14P 8P 10P 18P 32P 18P 10P 6P 10P 14P 12P 20P 20P 24P 8P 20P 20P 20P 24P GGD1317 AUI AUI FL FL AMP NAVI ECU M L AMP SYSTEM cannot use GGD1317 Because external connector is different from pioneer AMP and M L AMP PIO 24P 20P M L 25P 16P Moreover GGD1240 which is a previous jig cannot be used Because the signal array is different Therefore when the head unit of the M L AMP syste...

Page 52: ... 12P 20P 20P 24P 20P 20P 20P 24P GGD1317 AMP VTR Adapter 32P 20P 20P 24P 32P Rear Disp and SDVD 32P GGD1319 M L AMP SYSTEM cannot use GGD1317 Because external connector is different from pioneer AMP and M L AMP PIO 24P 20P M L 25P 16P Moreover GGD1240 which is a previous jig cannot be used Because the signal array is different Therefore when the head unit of the M L AMP system is repaired pioneer ...

Page 53: ...0P 12P 20P 24P 20P 20P 20P 24P AMP M L AMP SYSTEM cannot use GGD1317 Because external connector is different from pioneer AMP and M L AMP PIO 24P 20P M L 25P 16P Moreover GGD1240 which is a previous jig cannot be used Because the signal array is different Therefore when the head unit of the M L AMP system is repaired pioneer AMP system is used FX M8427ZT UC ...

Page 54: ... VR302 mV Meter 1 VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT Connection Diagram DOLBY B NR ADJUSTMENT No Test Tape Adjustment Point Adjustment Method Switch Position 1 NCT 150 VR301 Lch VR302 Rch mV Meter 1 8 24dBm 300mV 1dB 400Hz 200nwb m DOLBY NR Switch OFF 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC 6 2 AUDIO TUNER ADJUSTMENT ...

Page 55: ...na input 74 dBuV EMF 2 T 3 signal with the above mentioned pulse and 4 Variable resistance adjust noise level to a minimam Adjustment point VR561 Pulse generator equivalent to HP8011A SSG 2 signal pad AM dummy Output Noise meter Pulse width 50usec Pulse intervals 5msec Pulse voltage 4Vp p 4Vp p EMF 50us 5ms AM NOISE CANCELER ADJUSTMENT FX M8427ZT UC 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC ...

Page 56: ...OFF ON To normal mode KEY OPERATION DISPLAY ch4 TUNE DOWN CD S ERROR MESSAGES CD ERR XX CD CH MECHANISM TEST MODE ch3 TUNE UP CD CH MECHA TEST MODE IN CD1 DISPLAY DISC No To CD CH MECHA TEST MODE ACC OFF ON To normal mode H U MICROCOMPUTER RESET To normal mode CD CH To TOYOTA DIAGNOSIS CD CH ERROR MESSAGES ch3 TUNE DOWN CD CH ERROR MESSAGES CD CH ERR XX To TOYOTA DIAGNOSIS OPERATION KEY OPERATION ...

Page 57: ...ents after switching regulator ON let the player run for about one minute to allow the circuits to stabi lize Since the protective systems in the unit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment The RFI and RFO signals are easy to oscillate because of a wide band When observing them insert a res...

Page 58: ...3 TRK MIN SEC 2 T CLS and F T AGC and RF AGC and Applicable servomechanism TRKxxMINxxSECxx 6 T Close and Applicable servomechanism TRKxxMINxxSECxx 4 RF AGC RF AGC coefficient display TRK MIN SEC CRG TRK8x MIN8x SEC8x or TRK9xMIN9xSEC9x CRG TRK8xMIN8xSEC8x or TRK9xMIN9xSEC9x 3 T Balance adjustment T Balance coefficient display TRK MIN SEC 2 F T RF AGC F Bias display switching 7 TRK MIN SEC 4 F T AG...

Page 59: ... buttons move the PU unit to the innermost track 3 Press key 4 to close focus the display should read 91 Press key 3 to implement the tracking balance adjust ment the display should now read 81 Press key 4 The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer...

Page 60: ...60 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 61: ...ch NG Focus error Display Failure on disc 12 Spindle lock NG Spindle not lock Display 14 Mirror NG CD R not recoding Display 17 Set up NG AGC protection error Display 19 Set up NG Tracking error Display 30 Search time out Don t search Display 44 ALL SKIP RW only Unconformity ERROR2 CD CH only CD CH only Display No magazine Merit on match model ERROR3 10 CRG home error Mechanical error Display ERRO...

Page 62: ... remains on irrespective of whether the S CD is turned on or off You can reset the new test mode by turning on the ACC On Off 2 Key Correspondence Key New test mode In play Error Production 1 RANDOM TUNE UP TRACK UP TUNE DOWN TRACK DOWN 4 Time Err No switching REW REV FF FF Note Eject and CD on off is performed in the same procedure as that for the normal mode 3 Cause of Error and Error Code Code ...

Page 63: ... 32 Tracking close start Spindle stationary servocontrol setting Focus slips off 33 Tracking close 2 Focus slips off 34 Tracking close 3 Focus slips off 35 Focus Tracking AGC start Focus slips off 36 Focus Tracking AGC 2 Focus slips off 37 Focus Tracking AGC 3 Focus slips off 38 Focus Tracking AGC 4 Focus slips off 39 Focus Tracking AGC 5 Focus slips off 40 Focus Tracking AGC 6 Focus slips off 41 ...

Page 64: ... 2 During Operation TOC read TRK search Play FF and REV The same as in the normal mode 3 When a Protection Error Occurred A Error display A B 4 key display example xx xx xx 43 43 43 B Error occurrence timing display in track No and Error occurrence timing display in absolute time TNO Min Sec 10 40 05 ...

Page 65: ...cleared From the details display mode The diagnosis memory data for devices selected is cleared After memory clearance is completed the mode is automatically shifted to the service check mode 6 Key operations for Memory clearance 6 Key operations for Memory clearance Memory clearance automatically ends 3 Key operations for entering Service check mode 5 Key operations for returning to the service c...

Page 66: ...hysical address for selected devices The physical address number is displayed whose check result details will follow it Ex P360 Physical address number CD CH Diagnosis data source The detailed items depend on the data source Ex SyS The data was obtained from system check Logical address The logical address number for the device with failure is displayed Ex 1L_63 Logical address number CD CH The lo...

Page 67: ...DIN TV Europe navigation DISP M U Rear TV with movie mode Navigation with controls MONET ECU Vehicle Information ECU 1 DIN Navigation DISPLAY with SW Europe GW ECU Consolidated inside panel Gateway ECU FM multiplex DISPLAY Steering SW Navigation remote controller Fr controlled SW Simple LCD Consolidated SW MD CH commander Body computer 0 8 1 7 9 F 0 8 1 7 9 F 0 1 F 0 8 C 1 7 9 B D F 0 1 F Navigati...

Page 68: ...tered devices Master unavailable Connecting confirmation abnormal Connecting confirmation no response Last mode abnormal Command order no response Mode status abnormal Transmission fault Master reset Slave reset Master abnormal Registration completion acknowledgement error Voice processor ON abnormal ON OFF command or parameter abnormal Registration command transmission Multiple frames intermit Di...

Page 69: ...ove the five screws and then remove the Frame 1 1 1 1 1 1 1 1 Chassis Removing Chassis Fig 3 1 Remove the ten screws and then remove the Chassis Fig 3 Frame 1 1 2 2 2 2 Remove the four screws 1 Disconnect the connector and then remove the CD Mechanism Module Removing the CD Mechanism Module Fig 1 1 1 1 1 1 1 1 1 1 CD Mechanism Module When reassembling While putting Knob units back on each place st...

Page 70: ...ndicated 2 Remove the two screws and then remove the Main Unit 2 Main Unit Removing the Cassette Mechanism Module Fig 4 Fig 4 Cassette Mechanism Module Remove the four screws and then remove the Cassette Mechanism Module 1 2 1 1 1 1 1 1 1 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 71: ... of Damper while slowly pulling up the part 4 Now the top frame has been removed and under this state fix the genuine Connector again and eject the disk Caution When you reassemble the Carriage Mechanical part apply a bit of alcohol to Dampers How to remove the Guide Arm Assy 1 Unlock the spring 1 piece at the right side of the assembly 2 Unscrew screws 2 pieces then remove the Screw Gear Bracket ...

Page 72: ...y 1 Unlock the spring 1 piece and remove the E ring 1 piece of the Fulcrum Shaft 2 Shift the arm to the left side direction and unlock pins 2 pieces How to remove the Pickup Unit 1 Unscrew 2 pieces of screws then remove the Pulley Cover 2 Remove the Feed Screw unit from the pawl of the Feed Screw Guide The pawl is located inside the guide 3 Remove the belt from the Pulley then remove the Pickup un...

Page 73: ...WG NC R L NC SW2 R L RMUTE R R ADIM TX2 NC NC GND B ACC TX TX NC ILL ACC B ILL ANT AMP NC NC ATX ATX NC NC NC MUTE R R L L GND SLD SUB ANTENNA MAIN ANTENNA 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 74: ...X1 I IP BUS Data input 30 TX O IP BUS Data output 31 PDO 32 PDI uner PLL IC data input 33 pck O T 34 PCE1 O Tuner PLL IC chip select output 35 XPIO3 CD LSI data input output CD LSI data input output CD LSI data input output CD LSI data input output 36 XPIO2 p p 37 XPIO1 38 XPIO0 I O I O I O I O 39 LOEJ O Load Eject control output 40 CONT O Servo driver power supply control output 41 FMPW O FM powe...

Page 75: ...SC1 O Cassette mechanism Sub motor control 1 output 79 CM O Cassette mechanism Capstan motor control output 80 stby O Cassette mechanism Driver stand by output 81 power OWER key input 82 ENC1 I VOL encoder input 83 ENC1 I VOL encoder input 84 AUD encoder input 85 ENC2 AUD encoder input 86 LCE1 O O I LCD driver 1 chip enable output 87 home Home SW sense 88 LRST LCD driver reset output 89 DSCSNS I M...

Page 76: ...7 AMPNS AM PNS IF signal IF signal output for AM PNS circuit 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 AMINI AM audio input The frequency response and the level are set by connecting an external CR network with terminal AMIN as terminal AMDET r in 50kΩ 21 COMP O composite signal FM composite signal out...

Page 77: ...SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 SEG61 SEG62 SEG63 SEG64 SEG65 COM4B COM3B COM2B COM1B SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 COM4A COM1A COM2A COM3A 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC 7 2 2 DISPLAY ...

Page 78: ...R GM 8337ZT E RSE ECU OTHER MAKERS NAVI SPEAKER Except FL B ACC B ACC AVC LAN AVC LAN L R Video Video FL FL or FR AVC LAN AVC LAN L R L R L R AVC LAN Video Video OTHER MAKERS FX M8427ZT UC EMV OTHER MAKERS VTR Adapter OTHER MAKERS Rear Disp and SDVD OTHER MAKERS REMOTE CONTROL INFRARED HEAD PHONE ...

Page 79: ...ZT E NAVI SPEAKER Except FL B ACC AVC LAN FL FL AVC LAN AVC LAN L R Video OTHER MAKERS FX M8427ZT UC EMV OTHER MAKERS 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC AMPLIFIER GM 8337ZT E SPEAKER B ACC AVC LAN L R FX M8427ZT UC ...

Page 80: ... OTHER MAKERS SPEAKER B ACC B ACC AVC LAN L R Video AVC LAN L R L R L R AVC LAN Video FX M8427ZT UC VTR Adapter OTHER MAKERS Rear Disp and SDVD OTHER MAKERS REMOTE CONTROL INFRARED HEAD PHONE 1 2 3 4 1 2 3 4 F E D C B A FX M8427ZT UC ...

Page 81: ...Pin 62 VDD 5V Pin 16 Power ON BSENS L ASENS L YES bsens Pin 75 asens Pin 73 SWVDD H Pin 55 IPPW H Pin 22 SYSPWR H Pin 43 Source keys operative Completes power on operation After that proceed to each source operation Source ON 7 3 2 OPERATIONAL FLOW CHART ...

Page 82: ...oduct be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Cleaning paper GED 008 Capstans ...

Page 83: ...83 5 6 7 8 F E D C B A 5 6 7 8 FX M8427ZT UC RADIO POWER VOLUME MANUAL TUNING AM FM PRESET CHANNEL MEMORY PRESET CHANNEL RECALL 8 OPERATIONS ...

Page 84: ...Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2003 K ZZU JAN 2003 Printed in Japan TAPE CD POWER VOLUME TRACK NUMBER SEARCH CD EJECT RANDOM PLAY FF REV REPEAT DISC NUMBER SEARCH CD TEXT CD POWER VOLUME AUTO PROGRAM SEARCH FF REW DIRECTION CHANGE REPEAT DOLBY B NR TAPE EJECT TAPE ...

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