Pioneer KEH-P4020R Service Manual Download Page 31

Page: 31 / 47

KEH-P4020R/XM/EW,KEH-P4023R/XM/EW have the same cuntruction except for the following:

CONTRAST TABLE of KEYBOARD UNIT

Symbol and Description

KEH-P4020R/XM/EW

KEH-P4023R/XM/EW

Part No.

D901

LED

CL195PG

CL195D

D902

LED

CL195PG

CL195D

D903

LED

CL195PG

CL195D

D904

LED

CL195PG

CL195D

D905

LED

CL195PG

CL195D

D906

LED

CL195PG

CL195D

D907

LED

CL195PG

CL195D

D908

LED

CL195PG

CL195D

D909

LED

CL195PG

CL195D

D910

LED

CL195PG

CL195D

D911

LED

CL195PG

CL195D

D912

LED

CL195PG

CL195D

D913

LED

CL195PG

CL195D

D914

LED

CL195PG

CL195D

D915

LED

CL195PG

CL195D

D916

LED

CL195PG

CL195D

D917

LED

CL195PG

CL195D

D918

LED

CL195PG

CL195D

D919

LED

CL195PG

CL195D

D920

LED

CL195PG

CL195D

Summary of Contents for KEH-P4020R

Page 1: ...NNECTION DIAGRAM 18 5 ELECTRICAL PARTS LIST 27 6 ADJUSTMENT 32 7 GENERAL INFORMATION 33 7 1 DIAGNOSIS 33 7 1 1 DISASSEMBLY 33 7 1 2 CONNECTOR FUNCTION DESCRIPTION 34 7 2 PARTS 35 7 2 1 IC 35 7 2 2 DISPLAY 41 7 3 OPERATIONAL FLOW CHART 42 8 OPERATIONS AND SPECIFICATIONS 43 CONTENTS MULTI CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER This service manual should be used together with the follow...

Page 2: ... test equipment and tools and have been trained to properly and safely repair complex 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 quali...

Page 3: ...ene Bag E36 615 19 Contain Box CZH5588 KEH P4023R XM EW Mark No Description Part No Mark No Description Part No 1 Carton CZH5589 2 Owner s Manual CZR2950 3 Installation Manual CZR2952 4 Warranty Card CRY1157 5 Passport CRY1013 6 Case Assy CXB3520 7 Cord Assy CZD2977 8 Protector CZH5591 9 Protector CZH5592 10 Polyethylene Bag CZE2903 11 Owner s Manual CZR2951 12 Accessory Assy CEA3062 13 Bush CNV39...

Page 4: ...4 2 2 EXTERIOR ...

Page 5: ...56 48 Clutch Unit CXB6358 49 Washer CBF1038 50 Gear CNV6507 51 Spring CBH2428 52 Panel See Contrast table 2 53 Cassette Mechanism Module EXK4080 54 Screw BSZ26P060FMC 55 Tuner Amp Unit CZW5530 56 Screw BSZ26P100FMC 57 Heat Sink CZN6798 58 IC IC500 PAL007A 59 Panel CZN6797 60 Transistor Q607 2SD2396 61 Screw BPZ26P100FZK 62 Screw ISS26P055FUC 63 Terminal CN101 CKF1059 64 Connector CN400 CKS3408 65 ...

Page 6: ...6 2 3 CASSETTE MECHANISM MODULE ...

Page 7: ...NT1027 24 Collar ENV1508 25 Arm ENV1539 26 Arm ENV1540 27 Gear ENV1569 28 Gear ENV1547 29 Gear ENV1560 30 Worm Wheel ENV1566 31 Lever ENV1551 32 Flywheel ENV1554 33 PCB ENP1196 34 Switch S101 102 ESG1007 35 Deck Unit EWM1042 36 Plug CN251 CKS3540 37 Gathering PCB ENX1064 38 Motor Unit M1 EXA1621 39 Motor EXM1028 40 Head Assy HD1 EXA1589 41 Motor Unit M2 EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC...

Page 8: ...8 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM 1 2 3 4 1 2 3 4 D C B A ...

Page 9: ...9 5 6 7 8 5 6 7 8 D C B A ...

Page 10: ...10 3 2 OVERALL CONNECTION DIAGRAM 1 2 3 4 1 2 3 4 D C B A ...

Page 11: ...11 5 6 7 8 5 6 7 8 D C B A ...

Page 12: ...12 3 3 KEYBOARD UNIT 1 2 3 4 1 2 3 4 D C B A ...

Page 13: ...13 5 6 7 8 5 6 7 8 D C B A ...

Page 14: ...14 3 4 PANEL PCB UNIT 1 2 3 4 1 2 3 4 D C B A ...

Page 15: ...15 ...

Page 16: ...ST TAPE NCT 150 400Hz 200nWb m RL RR FR FL C302 R1 C301 R1 Fwd R Fwd L Rev R Rev L NFI R Vref1 RIN L NC RIN R GND FIN R Vref2 FIN L NFI L M OUT L EQOUT L Vref4 TAI L BIAS NC NC MSGV S MUTE 120 70 ser REP f R MSDET MSI MAOUT MSGV R MOUT R EQOUT R Vref3 TAI R RIP PBOUT R NC NC NC CN252 CN251 EQ AMP IC251 390P C252 390P C254 390P PBOUT L NC VCC MSOUT NC R402 R33 C402 15K R401 18K R271 C271 1 50 N L R...

Page 17: ...ER IC351 BA6923FP C403 R022 TE Vcc2 15 16 17 18 19 20 21 22 23 24 25 26 27 28 14 13 12 11 10 9 8 7 6 5 4 3 2 1 OUT1 NC OUT2 NC PGND TE GND TAB PSO3 PSO2 PSO1 SC2 SC1 CM CE NC NC NC MM NC NC NC TAB VCC1 VCC2 PSB PSI1 PSI2 PSI3 C SM2 SM1 MCS C353 R01 C355 R1 C352 4700P GND RS RSB MTL LOAD SWITCHES SENSOR UNIT S101 LOAD SWITCH EJECT PLAY S102 MODE SWITCH ON OFF The underlined indicates the switch pos...

Page 18: ... Part SIDE A SIDE B NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for sev eral destination For further information for respec tive destinations be sure to check with the schematic diagram 2 Viewpoint of PCB diagrams 1 2 3 4 1 2 3 4 D C B A TEL IN ...

Page 19: ...19 SIDE A FRONT 5 6 7 8 5 6 7 8 D C B A ...

Page 20: ...20 FRONT 1 2 3 4 1 2 3 4 D C B A ...

Page 21: ...21 SIDE B 5 6 7 8 5 6 7 8 D C B A ...

Page 22: ...22 4 2 KEYBOARD UNIT 1 2 3 4 1 2 3 4 D C B A ...

Page 23: ...23 SIDE B SIDE A 5 6 7 8 5 6 7 8 D C B A ...

Page 24: ...24 4 3 PANEL PCB UNIT 1 2 3 4 1 2 3 4 D C B A SIDE B SIDE A ...

Page 25: ...252 M1 M2 HEAD ASSY CN256 14 CN253 CN255 6 5 4 3 2 1 1 2 3 4 5 6 C354 C351 IC351 VR301 VR302 IC251 C355 C359 C360 R362 C353 C352 C357 C356 C358 R404 C405 C403 C402 C401 C404 R403 R402 R401 C309 R285 R271 C301 C310 C302 R302 R304 R252 R254 R253 R251 C252 C254 C253 C251 C256 C255 R303 R301 R272 8 7 1 27 21 20 15 20 21 11 10 1 40 31 30 SIDE B SIDE A 1 2 3 4 1 2 3 4 ...

Page 26: ...26 1 2 3 4 1 2 3 4 D C B A 1 2 3 4 5 6 S101 LOAD S102 MODE S103 70µs CN256 Q101 REEL SENSE L101 L102 E SENSOR UNIT CN253 ...

Page 27: ...Diode 1SS133 D 500 Diode DAN202K D 600 Diode 11ES2 D 601 Diode 11ES2 D 602 Diode HZS7L C2 D 603 Diode HZS7L A1 D 604 Diode 11ES2 D 605 Diode 11ES2 D 606 Diode MTZJ6R2 B D 607 Diode 1SS133 D 608 Diode 11ES2 D 609 Diode HZS6L B2 D 610 Diode 11ES2 D 611 Diode HZS9L B3 D 612 Diode HZS9L A2 D 800 Diode HZM6R2ZWA D 801 Diode UDZS6R2 B L 1 Inductor LAU2R2J L 100 Ferri Inductor LAU4R7J L 101 Ferri Inducto...

Page 28: ...R 304 RS1 16S101J R 305 RS1 16S101J R 350 RS1 16S821J R 351 RS1 16S821J R 352 RS1 16S473J R 353 RS1 16S473J R 356 RS1 16S562J R 400 RS1 16S821J R 401 RS1 16S821J R 402 RS1 16S223J R 403 RS1 16S223J R 404 RS1 16S102J R 405 RS1 16S102J R 406 RS1 16S101J R 407 RS1 16S222J R 408 RS1 16S620J R 409 RS1 16S101J R 410 RS1 16S223J R 411 RS1 16S472J R 412 RS1 16S102J R 413 RS1 16S102J R 414 RS1 16S102J R 41...

Page 29: ... 400 CKSRYB104K25 C 401 CKSRYB102K50 C 500 CKSQYB474K16 C 501 CKSQYB474K16 C 502 CKSQYB474K16 C 503 CKSQYB474K16 C 504 CKSQYB474K16 C 505 CKSQYB474K16 C 506 CKSQYB474K16 C 507 CKSQYB474K16 C 508 CKSQYB474K16 C 509 CKSQYB474K16 C 514 CEAL100M16 C 515 CEAL330M10 C 600 CKSRYB104K25 C 601 3300 µF 16V CCH1018 C 602 CKSRYB102K50 C 603 470 µF 16V CCH1331 C 604 CKSRYB103K50 C 605 CKSRYB103K50 C 606 CEAL47...

Page 30: ...RS R 851 RS1 16S221J Unit Number EWM1042 Unit Name Deck Unit MISCELLANEOUS IC 251 IC HA12229F IC 351 IC BA6923FP RESISTORS R 271 RS1 16S183J R 285 RS1 16S0R0J R 301 RS1 16S163J R 302 RS1 16S163J R 303 RS1 16S163J R 304 RS1 16S163J R 362 RS1 8S301J 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 CKSRYB...

Page 31: ...D D903 LED CL195PG CL195D D904 LED CL195PG CL195D D905 LED CL195PG CL195D D906 LED CL195PG CL195D D907 LED CL195PG CL195D D908 LED CL195PG CL195D D909 LED CL195PG CL195D D910 LED CL195PG CL195D D911 LED CL195PG CL195D D912 LED CL195PG CL195D D913 LED CL195PG CL195D D914 LED CL195PG CL195D D915 LED CL195PG CL195D D916 LED CL195PG CL195D D917 LED CL195PG CL195D D918 LED CL195PG CL195D D919 LED CL195...

Page 32: ...32 6 ADJUSTMENT There is no information to be shown in this chapter ...

Page 33: ...le Fig 1 1 1 Remove the four screws and then remove the Cassette Mechanism Module Remove the Grille Assy Fig 1 2 2 Remove the two screws Disconnect the two stoppers and then remove the Grille Assy Removing the Tuner Amp Unit Fig 2 1 1 Remove the three screws 2 2 Remove the screw 3 3 Unbend the three claws and then remove the Tuner Amp Unit Fig 1 Fig 2 ...

Page 34: ...34 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 35: ...35 CA0008AM PST3434UL 7 2 PARTS 7 2 1 IC PML003AM ...

Page 36: ...2 21 20 19 18 17 16 15 C PSI3 PSI2 PSI1 PSB Vcc2 Vcc1 NC NC NC MM NC NC NC CE CM SC1 SC2 PSO1 PSO2 PSO3 GND TE PGND NC OUT2 NC OUT1 Control Vreg OVP Control Vreg OCP OCP Vref Vreg Return circuit Vreg Vcc1 TSD STBY Vref OCP PSB 10K 10K 10K Vref Vref BA6923FP ...

Page 37: ...37 IC s marked by are MOS type Be careful in handling them because they are very liable to be damaged by electrostatic induction PD6340A ...

Page 38: ...M AM band select pin H FM L AM 36 37 NC Not used 38 SWVDD O N Grille chip enable output 39 EJECTS I N Eject key input 40 LOCL O C Local L output 41 LOCH O C Local H output 42 CURRQ O C Tuner voltage FIX output 43 FLAPILM O C Flap illumination output 44 ILMPW O C Illumination power supply control output 45 PEE O C Beep tone output 46 TUNPCE2 O C EEPROM chip enable output 47 RDS57K I RDS 57kHz pulse...

Page 39: ...39 000974060 ...

Page 40: ...specified load resistor and capacitor 10k Ω 39k Ω 4 700pF 14 DI DO I O data input Data input Data output data output To be pulled up to the VDD at 47kΩ 15 CK I clock Clock input To be pulled up to the VDD at 47kΩ 16 CE1 I chip enable 1 AF RF chip enable Active at High To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current re...

Page 41: ...41 7 2 2 DISPLAY CZA5561 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ...

Page 42: ...42 7 3 OPERATIONAL FLOW CHART ...

Page 43: ... to select various sound quality controls 6 5 2 3 buttons Press to do manual seek tuning fast forward reverse and track search controls Also used for controlling functions 7 TA AF button Press to switch traffic announcements function on or off Press and hold for two seconds to switch alternative frequency search function on or off 8 BAND button Press to select among two FM or MW LW bands and cance...

Page 44: ... hold for at least one sec ond to turn the unit off Listening to the radio This unit s AF alternative frequencies search function can be switched on and off AF should be off for normal tuning opera tion 1 BAND indicator Shows which band the radio is tuned to MW LW or FM 2 FREQUENCY indicator Shows to which frequency the tuner is tuned 3 PRESET NUMBER indicator Shows what preset has been selected 4...

Page 45: ...ay To cancel fast forward or rewind and return to playback press BAND You can cancel fast forward or rewind by pressing 2 or 3 in the same direction twice 6 To perform forward or rewind music search press 2 or 3 twice F MS forward music search or R MS rewind music search appears in the dis play The cassette player will fast forward or rewind to the next or previous blank spot on the tape and begin...

Page 46: ...amp sold separately 18 Speaker leads White White black Gray Gray black Green Green black Violet Violet black Front left Front left Front right Front right Rear left or Subwoofer Rear left or Subwoofer Rear right or Subwoofer Rear right or Subwoofer 20 Power amp sold separately 26 Left 27 Right 24 Blue white 6 25 The pin position of the ISO connector will differ depends on the type of vehicle Conne...

Page 47: ...pe C 30 C 90 Tape speed 4 76 cm sec 0 14cm sec 0 05cm sec Fast forward rewinding time Approx 100 sec C 60 Wow flutter 0 09 WRMS Frequency response 30 16 000 Hz 3 dB Stereo separation 45 dB Signal to noise ratio 61 dB IEC A network FM tuner Frequency range 87 5 108 MHz Usable sensitivity 9 dBf 0 8 µV 75 Ω mono S N 30 dB 50 dB quieting sensitivity 15 dBf 1 5 µV 75 Ω mono Signal to noise ratio 70 dB ...

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