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Pioneer KEH-P4020R Service Manual
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Pioneer KEH-P4020R Service Manual

Multi-cd control high power cassette player with rds tuner
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See also: Operating Manual , Installation Manual
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-1011
CRT2406
NOTE:
-
This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service manual.
CONTENTS
PIONEER CORPORATION
PIONEER ELECTRONICS ( USA ) INC.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
Mech. Module Remarks
3L
Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
2
2
8
18
27
32
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
7.2.1 IC
K-ZZT. NOV. 2001 Printed in Japan
ORDER NO
CRT2764
33
33
33
34
35
35
41
42
43

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Summary of Contents for Pioneer KEH-P4020R

  • Page 1: Table Of Contents

    PIONEER ELECTRONICS ( USA ) 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 PIONEER CORPORATION 2001 K-ZZT. NOV. 2001 Printed in Japan...

  • Page 2: Safety Information

    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. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
  • Page 3 NOTE - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - PACKING SECTION PARTS LIST KEH-P4020R/XM/EW Mark No. Description Part No. Mark No. Description Part No. 1 Carton CZH5587 11 Owner's Manual...
  • Page 4 2.2 EXTERIOR...
  • Page 5 See Contrast table(2) 78 Holder CNC9131 39 Button(EJECT) CZA5553 79 Cord Assy CZD2978 40 Panel Assy See Contrast table(2) (2)CONTRAST TABLE KEH-P4020R/XM/EW,KEH-P4023R/XM/EW have the same cuntruction except for the following: Part No. Mark No. Description KEH-P4020R/XM/EW KEH-P4023R/XM/EW Grille Unit CZX5536 CZX5537 Cover...
  • Page 6 2.3 CASSETTE MECHANISM MODULE...
  • Page 7 - CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ20P040FMC 31 Lever ENV1551 2 Washer CBF1037 32 Flywheel ENV1554 3 Washer CBG1003 33 PCB ENP1196 4 Screw EBA1028 34 Switch(S101,102) ESG1007 5 Screw CBA1037...

  • Page 8: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM...
  • Page 10 3.2 OVERALL CONNECTION DIAGRAM...

  • Page 12: Keyboard Unit

    3.3 KEYBOARD UNIT...
  • Page 14 3.4 PANEL PCB UNIT...
  • Page 16 3.5 CASSETTE MECHANISM MODULE DECK UNIT Vref CN252 C256 Rev-L Rev-R NFI(R) MUTE 120/70 Vref1 IC251 ser/REP RIN(L) Fwd-R HA12229F RIN(R) MSOUT Fwd-L R404 MSDET FIN(R) C404 Vref2 EQ AMP R403 FIN(L) MAOUT MSGV(R) NFI(L) HEAD ASSY EXA1589 TEST TAPE NCT-150 C255 (400Hz, 200nWb/m)

  • Page 17: Sensor Unit

    MOTOR UNIT M1 MOTOR UNIT (SUB MOTOR) (MAIN MOTOR) EXA1580 EXA1621 SENSOR UNIT CN254 CN253 CN255 CN256 REEL SENSE Q101 EGN1004 L102 L101 MOTOR ESG1007 S102 MODE DRIVER load ESG1007 S101 LOAD C351 OUT1 OUT2 C354 C405 R033 PGND C355 VCC1 PSO3 VCC2...

  • Page 18: Pcb Connection Diagram

    4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT 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.
  • Page 19 SIDE A FRONT...
  • Page 20 FRONT...
  • Page 21 SIDE B...
  • Page 22 4.2 KEYBOARD UNIT...
  • Page 23 SIDE A SIDE B...
  • Page 24 4.3 PANEL PCB UNIT SIDE A SIDE B...
  • Page 25 4.4 CASSETTE MECHANISM MODULE SIDE A CN200 DECK UNIT CN251 C271 SIDE B DECK UNIT HEAD ASSY IC,Q C351 VR302 C354 CN255 CN254 C256 CN253 CN252 C404 R403 R402 IC351 IC351 IC251 R401 IC251 R404 C405 C403 C355 C402 C359 C401 C360 C255...
  • Page 26 SENSOR UNIT S101 LOAD S103 70µs S102 MODE L101 CN256 L102 CN253 Q101 REEL SENSE...

  • Page 27: Electrical Parts List

    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 28 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S103J RS1/16S473J RS1/16S681J RS1/16S562J RS1/16S222J RS1/16S821J RS1/16S222J RS1/16S821J RS1/16S473J RS1/16S223J RS1/16S681J RS1/16S223J RS1/16S473J RS1/16S102J RS1/16S473J RS1/16S102J RS1/16S472J RS1/16S101J RS1/16S393J RS1/16S222J RS1/16S473J RS1/16S620J RS1/16S102J...
  • Page 29 CKSRYB104K25 100 µF/16V CCH1179 CKSRYB104K25 CKSRYB103K50 CEAL220M16 CCSRCH270J50 CKSQYB104K50 CKSQYB104K50 CCSRCH270J50 CCSRCH101J50 CEAL220M16 CKSRYB473K50 CEAL220M16 CEAL470M16 Unit Number:CZW5531(KEH-P4020R/XM/EW) CKSRYB104K25 :CZW5532(KEH-P4023R/XM/EW) Unit Name :Keyboard Unit CEAL100M16 CKSRYB224K10 MISCELLANEOUS CKSRYB224K10 CKSRYB224K10 IC 900 PD6340A CKSRYB224K10 See Contrast table See Contrast table CKSRYB105K10...
  • Page 30 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- See Contrast table Unit Number : EWM1042 NSCWS405T Unit Name : Deck Unit NSCWS405T Diode HZM6R2ZWA MISCELLANEOUS LCD900 CZA5561 IC 251 HA12229F Ceramic Resonator 4.97MHz CSS1422...
  • Page 31 CONTRAST TABLE of KEYBOARD UNIT KEH-P4020R/XM/EW,KEH-P4023R/XM/EW have the same cuntruction except for the following: Part No. Symbol and Description KEH-P4020R/XM/EW KEH-P4023R/XM/EW D901 CL195PG CL195D D902 CL195PG CL195D D903 CL195PG CL195D D904 CL195PG CL195D D905 CL195PG CL195D D906 CL195PG CL195D D907...

  • Page 32: Adjustment

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

  • Page 33: General Information

    7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Upper Case(not shown) 1.Remove the Upper Case. Removing the Cassette Mechanism Module(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.

  • Page 34: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION...

  • Page 35: Parts

    7.2 PARTS 7.2.1 IC CA0008AM PST3434UL PML003AM...
  • Page 36 BA6923FP...
  • Page 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 Pin Functions(000974060) Pin No. Pin Name Format Function and Operation SD signal input FM stereo input ADPW A/D converter power supply control output AVSS MUTE System mute output Not used AVREF1 A/D converter reference voltage terminal KYDT Display data input DPDT Key data output Not used...
  • Page 39 000974060...
  • Page 40 - FM/AM Tuner Unit No. Symbol I/O Explain 1 STIND stereo "Low" when the FM stereo signals are received. indicator To be pulled up to the "VDD" at 47kΩ. 2 FMSD FM station "High" when signals are received. To be pulled up to the "VDD" at 47kΩ detector Meanwhile, 10kΩ...

  • Page 41: Display

    7.2.2 DISPLAY CZA5561...

  • Page 42: Operational Flow Chart

    7.3. OPERATIONAL FLOW CHART...

  • Page 43: Operations And Specifications

    8. OPERATIONS AND SPECIFICATIONS 6 5/∞/2/3 buttons What’s what Press to do manual seek tuning, fast forward, reverse and track search controls. Also used for controlling button VOLUME functions. Press to increase or decrease the volume. button TA/AF button (tuner) LOCAL Press to switch traffic announcements function on or Press to switch local function on or off.
  • Page 46 CONNECTION DIAGRAM...

  • Page 47: Specifications

    Specifications General Cassette player Power source ....14.4 V DC (10.8 – 15.1 V Tape ......... Compact cassette tape allowable) (C-30 – C-90) Grounding system ..Negative type Tape speed ...... 4.76 cm/sec.(+0.14cm/sec., -0.05cm/sec.) Max. current consumption Fast forward/rewinding time .........

This manual is also suitable for:

Keh-p4023r

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