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Pioneer CDX-FM1257, Service Manual

The Pioneer CDX-FM1257 is a versatile and user-friendly car stereo system. Enhance your vehicle's audio experience with its advanced features and seamless integration. To ensure optimal usage, visit manualshive.com to effortlessly download the free service manual and access detailed instructions for setting up and configuring your device.

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33

CDX-FM1259,FM1257

R

420

RS1/16S470J

R

421

RA3C471J

R

801

RS1/16S183J

R

802

RS1/16S822J

R

803

RS1/16S204J

R

804

RS1/16S913J

R

805

RS1/8S391J

R

806

RS1/16S681J

R

807

RS1/16S0R0J

R

808

RS1/4S152J

R

809

RS1/16S223J

R

810

RS1/16S223J

R

811

RS1/4S152J

R

812

RS1/16S181J

R

813

RS1/16S560J

R

814

RS1/16S102J

R

815

RS1/16S473J

R

816

RS1/16S0R0J

R

817

RS1/4S750J

R

818

RS1/16S102J

R

819

RS1/16S152J

R

820

RS1/4S121J

R

823

RS1/10S222J

CAPACITORS

C

201

CEAL330M6R3

C

202

CEAL330M6R3

C

203

CKSRYB103K50

C

204

CKSRYB103K50

C

205

CKSRYB392K50

C

206

CKSRYB392K50

C

207

CKSRYB332K50

C

208

CKSRYB332K50

C

209

CEAL1R0M50

C

210

CEAL1R0M50

C

211

CKSRYB102K50

C

212

CKSRYB102K50

C

213

CKSRYB102K50

C

214

CKSRYB102K50

C

301

CEAL100M16

C

302

CKSRYB103K50

C

303

CCSRCH120J50

C

304

CEAL220M16

C

305

CKSRYB104K16

C

306

CKSRYB103K50

C

307

CCSRCH101J50

C

308

CEALR47M50

C

309

CKSRYB103K50

C

310

CEAL100M16

C

311

CCSRCH160J50

C

312

CEAL100M16

C

313

CKSRYB104K16

C

314

CKSQYB105K16

C

315

CEAL220M16

C

316

CKSRYB104K16

C

317

CCSQCH271J50

C

318

CCSQCH162J50

C

319

CEAL100M16

C

401

CCSRCH270J50

C

402

CCSRCH270J50

C

403

CKSRYB104K16

C

404

CKSRYB102K50

C

405

CKSQYB473K16

C

406

CEALNP330M10

C

407

CEAL470M6R3

C

408

CKSRYB104K16

C

409

CCSRCH180J50

C

410

CCSRCH100D50

C

411

CCSRCH330J50

C

412

CCSRCH180J50

C

413

CCSRCK1R0C50

C

414

CKSRYB103K50

C

415

CCSRCK1R0C50

C

416

CKSRYB103K50

C

417

CKSRYB103K50

C

418

CCSRCJ3R0C50

C

419

CKSRYB103K50

C

421

CKSRYB473K16

C

422

CEAL220M16

C

801

CEAL100M16

C

802

470µF/16V

CCH1183

C

803

CKSRYB104K16

C

805

CEJA101M16

C

806

470µF/16V

CCH1183

C

807

CKSRYB473K16

C

808

CKSRYB103K50

C

809

CEAL220M16

C

810

CKSQYB104K16

C

811

0.22F/5.5V

CCL1037

C

812

CKSQYB334K16

C

813

CKSQYB334K16

C

814

CEJA221M6R3

C

815

CEJA101M10

C

816

CEAS331M6R3

C

817

CKSRYB103K50

Unit Number : CWX2276(CDX-FM1259/X1N/UC)

CWX2275(CDX-FM1257/X1N/UC,ES)

Unit Name

: CD Core Unit

MISCELLANEOUS

IC

201

IC

UPD63710GC

IC

202

IC

BA05FP

IC

301

IC

BA5986FM

IC

302

IC

LB1836M

IC

501

IC(CDX-FM1259/X1N/UC)

PD4501B

IC

603

IC

BA4560F

IC

604

IC

BA4560F

IC

701

IC

PD5513A

IC

702

IC (SRM2B256SLTMX70)

GGC1257

IC

703

IC

HA12187FP

IC

704

IC

PAJ002A

IC

705

IC

TC7SH32FU

Q

101

Transistor

2SB1132

Q

701

Transistor

DTA144EK

Q

770

Transistor

2SB1184F5

Q

771

Transistor

2SC2412K

D

201

Diode

1SR154-400

D

601

Diode

UDZ7R5(B)

D

730

Diode

1SS356

D

770

Diode

1SS355

X

202

Ceramic Resonator16.93MHz

CSS1456

X

701

Ceramic Resonator10.00MHz

CSS1476

S

801

Push Switch(EJECT)

CSG1076

S

802

Push Switch(RESET)

CSG1076

S

803

Spring Switch(MAG)

CSN1044

VR

802

Semi-fixed 680

Ω

(B)

CCP1337

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

A

Summary of Contents for CDX-FM1257

Page 1: ...NIVERSAL MULTI CD SYSTEM CDX FM1259 X1N UC Service Manual CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 SCHEMATIC DIAGRAM 12 4 PCB CONNECTION DIAGRAM 24 5 ELECTRICAL PARTS LIST 32 6 ADJUSTMENT 36 7 GENERAL INFORMATION 43 7 1 PARTS 43 7 1 1 IC 43 7 1 2 DISPLAY 49 7 2 DIAGNOSIS 50 7 2 1 DISASSEMBLY 50 7 2 2 TEST MODE 52 7 3 BLOCK DIAGRAM 58 8 OPERATIONS AND SPECIFICATIONS 60 Se...

Page 2: ...ex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain el...

Page 3: ...3 CDX FM1259 FM1257 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING 29 30 29 36 33 27 28 17 24 30 4 37 8 6 11 10 7 9 32 31 25 18 16 15 21 22 43 20 13 16 2 14 19 23 12 3 5 1 40 41 42 35 34 26 ...

Page 4: ... Cushion CNM3182 CNM3182 CNM3182 21 Fastener Soft CNM3872 CNM3872 CNM3872 22 Fastener Rough CNM4041 CNM4041 CNM4041 23 Panel CNS5428 CNS5428 CNS5428 24 Polyethylene Bag CEG1099 CEG1099 CEG1099 25 Polyethylene Bag CEG1174 CEG1174 CEG1026 26 Carton CHG3721 CHG3720 CHG3722 27 Sub Carton CHG3729 CHG3728 CHG3730 28 Contain Box CHL3721 CHL3720 CHL3722 29 Protector CHP2136 CHP2136 CHP2136 30 Protector CH...

Page 5: ...anual Model Part No Language CDX FM1259 X1N UC CRD2874 English French CDX FM1257 X1N UC CRD2874 English French CDX FM1257 X1N ES CRD2877 English Spanish Portuguese B Arabic Part No Mark No Description CDX FM1259 X1N UC CDX FM1257 X1N UC CDX FM1257 X1N ES 38 39 40 Caution Card CRP1090 CRP1090 CRP1090 41 Caution Card CRP1196 CRP1196 CRP1196 42 Air Cushioned Bag CEG1055 CEG1055 CEG1055 43 Cover CEG10...

Page 6: ...6 CDX FM1259 FM1257 2 2 EXTERIOR ...

Page 7: ...NV5599 46 Grille Unit See Contrast table 2 47 Remote Control Assy See Contrast table 2 48 Cover CNS4948 49 Lower Case Unit CXB3398 50 Grille Unit See Contrast table 2 51 Screw BPZ20P080FMC 52 Sheet See Contrast table 2 53 Door CAT2052 54 Door CAT2053 55 Holder CNC8141 56 Grille See Contrast table 2 57 Lever CNS5394 58 CD Mechanism Module See Contrast table 2 59 Screw IMS20P035FZK 60 Screw IMS26P04...

Page 8: ...8 CDX FM1259 FM1257 2 3 CD MECHANISM MODULE ...

Page 9: ...7928 45 Bracket CNC8355 46 Plate CNC8375 47 Cover CNC8434 48 Sheet CNM6009 49 Spacer CNM6146 50 Sheet CNM6296 51 PCB CNP5227 52 PCB CNP5228 53 Ball CNR1189 54 Gear CNR1531 55 Belt CNT1086 56 Gear CNV5472 57 Gear CNV5473 58 Rail CNV5474 59 Lever CNV5475 60 Gear CNV5477 61 Arm CNV5478 62 Holder CNV5480 63 Guide CNV5481 64 Guide CNV5482 65 Holder CNV5483 66 Holder CNV5484 67 Clamper CNV5485 68 Gear C...

Page 10: ...to transistor Q851 PT4800 102 Spring Switch S851 S853 CSN1051 103 LED D851 CN504 2 104 Spring Switch S852 CSN1052 Mark No Description Part No 2 CONTRAST TABLE CDX FM1259 X1N UC CDX FM1257 X1N UC and CDX FM1257 X1N ES are constructed the same except for the following Part No Mark No Symbol and Description CDX FM1259 X1N UC CDX FM1257 X1N UC CDX FM1257 X1N ES 2 CD Core Unit C8 CWX2276 CWX2275 CWX227...

Page 11: ...11 CDX FM1259 FM1257 2 4 MAGAZINE ASSY 1 Magazine Assy CXB4028 2 Tray CNV5341 3 Label CRW1396 MAGAZINE ASSY SECTION PARTS LIST Mark No Description Part No ...

Page 12: ...service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A1 2 M853 CXB3005 M852 CXB3006 M851 CXB3003 M854 CXB3004 PICKUP UNIT SERVICE CXX1285 CSN1051 CSN1051 CSN1052 CN504 2 PT4800 10k 680 B C MECHANISM PCB D SWITCH PCB E MOTOR PCB MOT 4CH SERVO DRIV RF A DSP 1 12 6 8 13 21 10 4 CN801 CN802 ...

Page 13: ...13 CDX FM1259 FM1257 5 6 7 8 5 6 7 8 D C B A A1 2 A CD CORE UNIT A 2 2 MOTOR DRIVER DRIVER RF AMP SERVO DSP DAC 18 7 2 5 19 20 15 17 16 12 3 9 11 10 CDX FM1259 X1N UC CDX FM1257 X1N UC ES ...

Page 14: ...14 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A A 2 2 A 1 2 SYSTEM CONTROLLER LOUT AAGND ROUT GND VD FM1259 FM1257 ...

Page 15: ...15 CDX FM1259 FM1257 5 6 7 8 5 6 7 8 D C B A A2 2 GGC1257 SRM2B256SLTMX70 B CN201 SRAM IP BUS DRIVER ...

Page 16: ...5V div 9 CH2 TD 0 5V div Test mode 32 tracks jump REV 0 5ms div 8 CH1 TE 0 5V div 9 CH2 TD 0 5V div Test mode Single jump REV 0 5ms div 8 CH1 TE 0 5V div 9 CH2 TD 0 5V div Test mode 100 tracks jump REV 5ms div 6 CH1 FE 0 1V div 3 CH2 FD 0 2V div Normal mode Play 20ms div 3 CH1 FD 0 5V div 0 CH2 MD 1V div Normal mode Focus close 12cm 0 5s div 3 CH1 FD 0 5V div 0 CH2 MD 1V div Normal mode Focus clos...

Page 17: ...V div 5µs div Normal mode Play 8 CH1 TE 1V div CH2 TEC 1V div Test mode Focus close Tracking open 2ms div 8 CH1 TE 0 5V div 6 CH2 FE 0 5V div Normal mode AGC after focus close 0 2s div 20ms div SCKO 2V div 1µs div Normal mode Play DOUT 2V div 10µs div Normal mode Play LRCK 2V div 20µs div Normal mode Play VD 5V div 50ms div Normal mode No disc GND REFO REFO GND REFO REFO REFO REFO REFO REFO REFO R...

Page 18: ...D 0 5V div Normal mode During AGC 1 CH1 RFI 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 500µs div 1ms div 0 5ms div 3 CH1 FD 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 0 5ms div 9 CH1 TD 0 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 0 5ms div REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO ...

Page 19: ...19 CDX FM1259 FM1257 ...

Page 20: ...20 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A B 3 2 EXTENSION UNIT 7 2MHz 38KHz C A CN701 VD REGULATOR 5V REG 3V REG 6V REG 19kHz LPF ADD ON MODE LOOP FILTER CCP1233 ...

Page 21: ...21 CDX FM1259 FM1257 5 6 7 8 5 6 7 8 D C B A B CN901 G CN501 F MPX AMP PILOT BUFFER AMP EXTENSION UNIT B CCP1232 BU ACC GND FUSE 2A 1K 1 2W CEK1018 ...

Page 22: ...22 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A 1 2 3 4 1 2 3 3 3 ANTENNA SELECT UNIT F 4 A CN401 F B ...

Page 23: ...23 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A CSS1449 UDZ5R6 B TSOP1840SB1 14V 40mA 14V 40mA G B CN802 DISPLAY ASSY KEY CONTROL AND LCD DRIVER 3 4 DISPLAY ASSY G G B ...

Page 24: ...FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A A SIDE A CD CORE UNIT A NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram CN201 B C CN801 ...

Page 25: ...25 CDX FM1259 FM1257 D C B A 1 2 3 4 1 2 3 4 RESET EJECT MAG A SIDE B CD CORE UNIT A Capacitor Connector P C Board Chip Part SIDE A SIDE B 2 Viewpoint of PCB diagrams ...

Page 26: ...26 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A BAL TV EXTENSION UNIT B B G CN901 CORD F CN501 A CN701 SIDE A 4 2 EXTENSION UNIT IP BUS ...

Page 27: ...27 CDX FM1259 FM1257 D C B A B EXTENSION UNIT B SIDE B 1 2 3 4 1 2 3 4 ...

Page 28: ...28 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A D 4 4 SWITCH PCB SWITCH PCB D C C 4 3 MECHANISM PCB A CN101 E D MECHANISM PCB C M M854 CRG M M851 SPDL HOME TRP DSP D851 PICKUP UNIT SERVICE ...

Page 29: ...29 CDX FM1259 FM1257 D C B A 1 2 3 4 1 2 3 E 4 5 MOTOR PCB 4 MOTOR PCB E C F 4 6 ANTENNA SELECT UNIT CN401 B TUNER ANTENNA SELECT UNIT F ANTENNA ...

Page 30: ...30 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A LCD901 IC902 IC902 S907 T UP S904 T DOWN S905 D UP D906 D DOWN S902 PAUSE S903 P MODE S901 POWER CN901 G CN802 B 4 7 DISPLAY ASSY SIDE A DISPLAY ASSY G ...

Page 31: ...31 CDX FM1259 FM1257 D C B A C903 C904 R902 C902 D901 R901 Q901 IL902 IC901 C905 C906 X901 IL901 Q903 Q902 Q901 IC901 Q903 Q902 R906 R905 R903 R904 D902 D903 C901 G 1 2 3 4 1 2 3 4 SIDE B DISPLAY ASSY G ...

Page 32: ...R 203 RS1 16S472J R 204 RS1 16S472J R 205 RS1 16S361J R 206 RS1 16S361J R 207 RS1 16S225J R 208 RS1 16S225J R 209 RS1 16S223J R 210 RS1 16S223J R 211 RS1 16S681J R 212 RS1 16S681J R 213 RS1 16S112J R 214 RS1 16S112J R 215 RS1 16S362J R 216 RS1 16S362J R 231 RS1 16S101J R 232 RS1 16S101J R 301 RS1 16S362J R 302 RS1 16S823J R 303 RS1 16S681J R 304 RS1 16S392J R 305 RS1 16S102J R 306 RS1 16S392J R 30...

Page 33: ...16 C 409 CCSRCH180J50 C 410 CCSRCH100D50 C 411 CCSRCH330J50 C 412 CCSRCH180J50 C 413 CCSRCK1R0C50 C 414 CKSRYB103K50 C 415 CCSRCK1R0C50 C 416 CKSRYB103K50 C 417 CKSRYB103K50 C 418 CCSRCJ3R0C50 C 419 CKSRYB103K50 C 421 CKSRYB473K16 C 422 CEAL220M16 C 801 CEAL100M16 C 802 470µF 16V CCH1183 C 803 CKSRYB104K16 C 805 CEJA101M16 C 806 470µF 16V CCH1183 C 807 CKSRYB473K16 C 808 CKSRYB103K50 C 809 CEAL220...

Page 34: ... UC ES RS1 16S104J R 710 RS1 16S473J R 713 RS1 16S473J R 715 RS1 16S473J R 716 RS1 16S103J R 717 RS1 16S473J R 718 RS1 16S681J R 720 RS1 16S104J R 721 RS1 16S222J R 722 RS1 16S222J R 724 RS1 16S681J R 725 RS1 16S222J R 726 RS1 16S104J R 727 RS1 16S513J R 729 RS1 16S473J R 730 RS1 16S473J R 731 RS1 16S222J R 732 RS1 16S683J R 733 RS1 16S222J R 734 RS1 16S473J R 735 RS1 16S222J R 736 RS1 16S103J R 7...

Page 35: ...ode UDZS5R6 B D 902 Diode MA153 D 903 Diode MA153 X 901 Ceramic Resonator 4 9152MHz CSS1449 S 901 Switch CSG1110 S 902 Switch CSG1110 S 903 Switch CSG1110 S 904 Switch CSG1110 S 905 Switch CSG1110 S 906 Switch CSG1110 S 907 Switch CSG1110 IL 901 Lamp 14V 40mA CEL1608 IL 902 Lamp 14V 40mA CEL1608 LCD 901 LCD CAW1514 RESISTORS R 901 RS1 16S102J R 902 RS1 16S332J R 903 RS1 16S471J R 904 RS1 16S471J R...

Page 36: ...alance Adjustment VR301 Oscilloscope 38kHz signal becomes minimum Modulation 400Hz 0dB 1 VR302 Linear Detector LEVEL 7 Adjustment or Spectrum Analyzer 500Hz 0dB 135 5kHz 1 L and R are input at the same time EXTENSION UNIT L402 VR301 CN803 CN201 Antenna Plug ANTENNA SELECT UNIT ANTENNA OUT Antenna Jack Spectrum Analyzer DC Regulated Power Supply Oscilloscope FM Tuner BACK UP ACC GND BAL TV DC V Met...

Page 37: ...RK and TRK buttons move the pickup unit to the innermost track 3 Press key 9 to close focus the display should read 91 Press key 9 2 times Enter Rough Servo mode Press key 8 to implement the tracking balance adjustment the display should now read 81 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 to the photogra...

Page 38: ...38 CDX FM1259 FM1257 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...

Page 39: ...scilloscope One L P F Measuring Points EREF EPVO Setting Without a magazine in Test mode With the mechanism placed upside down Place the CD mechanism module so that the CD core unit is above Confirmation Procedure 1 Enter Test mode then select Multi CD player 2 Press key 7 to enter Mechanism Test mode 3 Press key 12 twice to specify the amount of movement 6 3 ADJUSTMENT OF ELEVATION WHEN THE CD CO...

Page 40: ...ally CD core unit below Take care not to short cir cuit the PCB 11 Confirm the height of the stage Use the Disc key to select Disc No 6 Check if the stopper bend of the clamp lever is engaged in the groove of the frame stopper Fig 2 4 Note The stopper bend will be pressed downward into the groove for final clamping Confirm the engagement position of the stopper bend If the stopper bend is engaged ...

Page 41: ...ase the volt age of EREF adjusted in step 8 by 10 mV 13 Place the mechanism horizontal Go back to step 11 to reconfirm the stage height 14 When adjustment of the stage height is completed proceed as fol lows 15 Press the EJECT switch 16 Once operation of the mechanism has stopped turn the power OFF 17 Wait more than one minute after the power is turned off then turn the power ON and insert a magaz...

Page 42: ... clamp lever Frame stopper OK Engaged in the center and pressed downward NG Fig 1 Dislocated toward the first CD Adjust the insertion gate of magazine to the sixth scale Dislocated toward the twelfth CD Fig 2 Fig 3 Fig 4 E 1 2 3 4 6 5 7 8 9 B C ...

Page 43: ...ta in the sub Q code 28 FLAG O Flag output pin to indicate that audio data currently being output consists of noncorrectable data 29 DIN I Serial data input to internal DAC 30 DOUT O Serial audio data output 31 SCKIN I Serial clock input to internal DAC 32 SCKO O Audio data that is output from DOUT changes at rising edge of this clock 33 LRCKIN I LRCK signal input to internal DAC 34 LRCK O Signals...

Page 44: ...data regulation 75 AGCO O RF signal output of after gain adjustment 76 AGCI I RF AGC amplifier input 77 RFO O RF summing amplifier output 78 EQ2 RF amplifier equalizer parts additional pin 79 EQ1 RF amplifier equalizer parts additional pin 80 RF I RF summing amplifier inverted input 81 A GND Analog circuit GND 82 A I Photo detector A input 83 C I Photo detector C input 84 B I Photo detector B inpu...

Page 45: ...ed by electrostatic induction BA05FP Reference voltage Vcc GND OUT 1 2 3 VCC 28 27 26 25 PreVcc OPIN4 OPIN4 OPOUT4 24 23 22 OPIN3 OPIN3 OPOUT3 21 20 19 18 GND STBY PowVcc VO3 17 16 15 VO3 VO4 VO4 1 2 3 4 BIAS IN OPIN1 OPIN1 OPOUT1 5 6 7 OPIN2 OPIN2 OPOUT2 8 9 10 11 GND MUTE PowVcc VO2 12 13 14 VO2 VO1 VO1 Stand by Mute Level shift Level shift Level shift Level shift BA5986FM ...

Page 46: ... 25 SRAMSW I When there is SRAM H 26 CCS O C IP BUS chip select 27 SIMUKE I Destination information input 28 NC Not used 29 IPIN I Data input from IP BUS interface IC 30 IPOUT O C Data output for IP BUS interface IC 31 DPDT O C Display data output 32 KYDT I Key data input 33 FMIPSW I FM IP BUS select switch 34 testin I Test program mode input 35 XSO O NM LSI data output 36 XSI I LSI data input 37 ...

Page 47: ... 78 I13 O C Motor driver control output 79 I2 O C Motor driver control output 80 I4 O C Motor driver control output 81 88 D0 D7 I O C SRAM data bus 89 PREN O C Preemphasis select output 90 PLCS O C PLL chip select output 91 DSP I DISC detect timing input 92 disk Disc detector input 93 ELVPVO I Voltage input from ELV position sense 94 ELVREF I ELV reference voltage input 95 TRP I Tray position inpu...

Page 48: ...REEN AMBER select output 8 SO O UART output 9 SI I UART output 10 remin I Remote control signal input 11 RVER Not used 12 NC Not used 13 16 KDT4 1 I Key data input 17 22 KST6 1 O Key strobe output 23 VCC 5V 24 73 SEG49 0 O LCD segment output 74 77 COM3 0 O Common driver output 78 80 V3 1 LCD bias power supply 20 21 40 41 60 61 80 1 PD6294A TSOP1840SB1 OUT GND VCC REGULATOR BPF GAIN CONT BPF DET RE...

Page 49: ...49 CDX FM1259 FM1257 7 1 2 DISPLAY CAW1514 COMMON SEGMENT ...

Page 50: ...e Removing the CD Mechanism Module Remove the four dampers Fig 5 Disconnect the connector Fig 5 Remove the two springs Fig 5 Disconnect the connector and then remove the CD Mechanism Module Fig 6 Removing the Grille Unit not shown 1 Press the two tabs indicated by arrows and then pull out the Grille Unit Exterior section parts list No 50 Fig 7 CD Mechanism Module Fig 5 Fig 6 7 2 DIAGNOSIS 7 2 1 DI...

Page 51: ... time make sure that the flexible tray motor printed circuit board and flexible relay card are not pulled exces sively 6 Remove screw A and then remove the carriage motor assy lighting conductor feed screw holder feed screw and belt see Fig 9 7 Remove screw B on the main side and the pickup unit together with the guide shaft see Fig 9 Fig 8 Flexible card Erect Flexible relay card han dle with care...

Page 52: ...ys tem when making adjustment Disc detection during tray extraction and return oper ations is performed by means of the photo transistor in this unit Consequently if the inside of the unit is exposed to a strong light source with the outer casing removed for repairs or adjustment the following mal functions may occur Even with a disc loaded the unit detects no disc and cannot start play Although a...

Page 53: ...d F T AGC and RF AGC and Fit Servo Display Power ON Not adjustment for T Offset Display Display 8 RF AMP Gain Select 8 Power OFF Power OFF Power OFF 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN or 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN or 00 00 00 TRK SEC MIN 99 99 99 TRK SEC MIN or 00 00 00 TRK SEC MIN 99 99 99 TRK SEC MIN or 00 00 00 TRK SEC MIN 99 99 99...

Page 54: ...d to inner diameter CRG can t be moved from inner diameter Failure on home switch or CRG move mechanism 11 Electricity Focus Servo NG Focusing not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Failure on spindle stains or damages on disc or excessive vibrations Subcode NG A disc not con...

Page 55: ...f trouble analysis 1 Shifting to the New Test Mode 1 Turn on the current test mode by starting the reset from the 4 and 6 keys together 2 Select M CD for the source through the specified procedure including use of the SOURCE key Then press the 12 key while maintaining the regulator turned off 3 After the above operations the new test mode remains on irrespective of whether the M CD is turned on or...

Page 56: ...g Setup Status No Contents Protective action 00 CD 5V ON process in progress None 01 Servo LSI initialization 1 3 in progress None 02 Servo LSI CRAM initialization in progress None 03 Servo LSI initialization 2 3 in progress None 04 Offset adjustment 1 3 in progress None 05 Offset adjustment 2 3 in progress None 06 Offset adjustment 3 3 in progress None 07 FZD adjustment in progress None 08 Servo ...

Page 57: ...ng is closed Off focus Carriage closing in progress 41 Focus tracking AGC started Off focus 42 Focus AGC started Off focus 43 Focus AGC in progress Off focus 44 Tracking AGC in progress Off focus 45 Standing by after focus tracking AGC are over Off focus 46 Spindle processes applicable servo Off focus 47 Check for servo close is started Off focus 48 Check of LOCK pin started Off focus or spindle n...

Page 58: ...58 CDX FM1259 FM1257 7 3 BLOCK DIAGRAM A C D E B ...

Page 59: ...59 CDX FM1259 FM1257 F G ...

Page 60: ...e is 89 1 MHz If your radio does not have muting there may be some noise before power switch of control unit is ON If this happens turn down the volume of the radio increase the number decrease the number 2 Press button to switch on and start the player Start the CD player Disc Number Search or or Disc Number A B D C F E Parts for connection ...

Page 61: ... position Red To electric terminal controlled by ignition switch 12 V DC ON OFF Black ground To the vehicle metal body Fuse holder Display unit CD Player unit Car antenna plug To FM car radio Antenna switching unit Resistor Pass leads and cords through Pass leads and cords through D and fix in place IP BUS OUTPUT ...

Page 62: ...4 D in FM modulator usable frequency 87 9 88 1 88 3 88 5 88 7 88 9 89 1 89 3 89 5 89 7 89 9 90 1 MHz Antenna Switching unit Weight 140 g 0 3 lbs Dimensions 45 W 25 H 43 D mm 1 3 4 W 1 H 1 5 8 D in Display unit Weight 78 g 0 1 lbs Dimensions 100 W 37 H 18 D mm 3 15 16 W 1 7 16 H 5 8 D in Remote Controller unit Power source Battery CR2032 Weight including battery 15 g 0 03 lbs Dimensions 39 W 92 H 6...

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