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Pioneer KEH-P6021R Service Manual
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Pioneer KEH-P6021R Service Manual

Multi-cd control high power cassette player
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Service
Manual
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P6021R
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P6025
- 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
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
4. PCB CONNECTION DIAGRAM ................................34
5. ELECTRICAL PARTS LIST ........................................42
6. ADJUSTMENT..........................................................48
For details, refer to "Important symbols for good services" on the next page.
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
C PIONEER CORPORATION 2001
KEH-P6021R/XN/EE
Mech. Module Remarks
3L
Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
N
X
/ES
7. GENERAL INFORMATION .......................................49
7.1 DIAGNOSIS ........................................................49
7.1.1 DISASSEMBLY ..............................................49
7.2 PARTS .................................................................51
7.2.1 IC ....................................................................51
7.2.2 DISPLAY.........................................................57
7.3 OPERATIONAL FLOW CHART ..........................59
7.4 CLEANING .........................................................60
8. OPERATIONS AND SPECIFICATIONS.....................61
ORDER NO.
CRT2804
N
X
/EE
K-ZZS. NOV. 2001 Printed in Japan

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  • 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 C PIONEER CORPORATION 2001 K-ZZS. NOV. 2001 Printed in Japan...

  • Page 2: Safety Information

    KEH-P6021R,P6025 [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

  • Page 3: Exploded Views And Parts List

    KEH-P6021R,P6025 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING(KEH-P6021R) 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.
  • Page 4 KEH-P6021R,P6025 2.2 PACKING(KEH-P6025) - PACKING SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Cord Assy CDE6436 8 Carton CHG4558 2 Bush CNV3930 9 Contain Box CHL4558 3 Handle CNC5395 10 Protector CHP2251 4 Spring...
  • Page 5 KEH-P6021R,P6025 - Owner's Manual, Installation Manual Model Part No. Language KEH-P6025/XN/ES CRD3535 English, Spanish, Portuguese(B), Chinese, Arabic CRD3536 CRD3552...
  • Page 6 KEH-P6021R,P6025 2.3 EXTERIOR(KEH-P6021R)
  • Page 7 KEH-P6021R,P6025 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ30P040FZK 46 Socket(CN1950) CKS3550 2 Screw BMZ30P100FMC 47 Connector(CN1951) CKS4206 3 Screw BSZ26P050FMC 48 Damper Unit CXB5070 4 Screw BSZ30P060FMC 49 Holder Unit...
  • Page 8 KEH-P6021R,P6025 2.4 EXTERIOR(KEH-P6025)
  • Page 9 KEH-P6021R,P6025 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ30P040FZK 46 Socket(CN1950) CKS3550 2 Screw BMZ30P100FMC 47 Connector(CN1951) CKS4206 3 Screw BSZ26P050FMC 48 Damper Unit CXB5070 4 Screw BSZ30P060FMC 49 Holder Unit...
  • Page 10 KEH-P6021R,P6025 2.5 CASSETTE MECHANISM MODULE For grease application, refer to the service manual for CX-1011 (CRT2406).
  • Page 11 KEH-P6021R,P6025 - CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ20P040FMC 46 Pinch Roller ENV1518 2 Washer CBF1037 47 Pinch Holder Unit EXA1607 3 Washer CBG1003 48 Pinch Roller ENV1518...

  • Page 12: Block Diagram And Schematic Diagram

    KEH-P6021R,P6025 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(KEH-P6021R) TUNER AMP UNIT FM/AM TUNER UNIT Q415 FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT Q420 Q413 L ch IC 2 FM MPX Q411...
  • Page 13 KEH-P6021R,P6025 RESET IC 603 Q913 S-80834ANY CN901 Q909 BACK UP BACK UP Q610 adpw tmute AVREF fM/AM SYSTEM DALMON CONTROLLER Q914 bsens IC 601(1/2) PE5206A Q915 asens ldet Q917 NL2DT isens pce@ currq SDBW CELLULAR MUTE LOCL Q916 LOCH MUTE...
  • Page 14 KEH-P6021R,P6025 3.2 BLOCK DIAGRAM(KEH-P6025) TUNER AMP UNIT FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT ADJ COMP MIXER, IF AMP, DET. LDET...
  • Page 15 KEH-P6021R,P6025 RESET IC 603 Q913 S-80834ANY CN901 Q909 BACK UP BACK UP Q610 adpw AVREF SYSTEM DALMON CONTROLLER Q914 bsens IC 601(1/2) PE5207A Q915 asens Q917 NL2DT isens pce@ currq SDBW LOCL LOCH ASENBO 86 85 24 ELECTRONIC VOLUME/ SOURCE SELECTOR...
  • Page 16 KEH-P6021R,P6025 3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P6021R) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. Large size SCH diagram Guide page Detailed page DSP-201M-S00B EJECT PANEL UNIT...
  • Page 17 KEH-P6021R,P6025 TUNER AMP UNIT IP-BUS:+2.2dBs FM(100%): +3.6dBs AM(30%): -6.9dBs CD:+10.2dBs IP-BUS:+10.3dBs CD:+9.4dBs FUNCTION 600µH SYSTEM CONTROLLER > FUSE CEK1136 DETACH SENSE SW FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs IP-BUS:+36.3dBs For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes: Ex.
  • Page 18 KEH-P6021R,P6025...
  • Page 19 KEH-P6021R,P6025 A-a B...
  • Page 20 KEH-P6021R,P6025...
  • Page 21 KEH-P6021R,P6025...
  • Page 22 KEH-P6021R,P6025 3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P6025) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. FUNCTION DSP-201M-S00B SYSTEM CONTROLLER DETACH SENSE SW EJECT PANEL UNIT...
  • Page 23 KEH-P6021R,P6025 TUNER AMP UNIT IP-BUS:+2.2dBs FM(100%): +3.6dBs AM(30%): -6.9dBs CD:+10.2dBs IP-BUS:+10.3dBs CD:+9.4dBs 600µH > FUSE CEK1136 FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs IP-BUS:+36.3dBs For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes: Ex. *Resistors...
  • Page 24 KEH-P6021R,P6025...
  • Page 25 KEH-P6021R,P6025 A-a B...
  • Page 26 KEH-P6021R,P6025...
  • Page 27 KEH-P6021R,P6025...
  • Page 28 KEH-P6021R,P6025 3.5 KEYBOARD UNIT(KEH-P6021R)

  • Page 29: Keyboard Unit

    KEH-P6021R,P6025 KEYBOARD UNIT CSG1111 CSG1111 S1901,1902,1904,1906,1907,1909-1919: CSG1115...
  • Page 30 KEH-P6021R,P6025 3.6 KEYBOARD UNIT(KEH-P6025)
  • Page 31 KEH-P6021R,P6025 KEYBOARD UNIT CSG1111 CSG1111 S1901,1902,1904,1906,1907,1909-1919: CSG1107...

  • Page 32: Cassette Mechanism Module

    KEH-P6021R,P6025 3.7 CASSETTE MECHANISM MODULE DECK UNIT CN252 C256 Rev-L Rev-R MUTE NF1(R) 120/70 Vref1 IC251 ser/REP RIN(L) Fwd-R HA12229F RIN(R) MSOUT C405 R033 Fwd-L R404 270K MSDET FIN(R) C404 Vref2 EQ AMP R403 MAOUT FIN(L) MSGV(R) NFI(L) HEAD ASSY...
  • Page 33 KEH-P6021R,P6025 M1 MOTOR UNIT (MAIN MOTOR) EXA1491 CN255 CN256 REEL SENSE CN253 EGN1 EGN1004 R373 MODE ESG1007 MECHANISM DRIVER load S1 LOAD ESG1007 REEL SENSE CN254 MOTOR UNIT (SUB MOTOR) VCC2 EXA1580 R374 C356 SWITCHES: REEL SENSE PCB C355 S1:LOAD SWITCH..EJECT-PLAY S2:MODE SWITCH....ON-OFF...

  • Page 34: Pcb Connection Diagram

    KEH-P6021R,P6025 4. PCB CONNECTION DIAGRAM TUNER AMP UNIT 4.1 TUNER AMP UNIT CORD ASSY 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.
  • Page 35 KEH-P6021R,P6025 CORD ASSY SIDE A REAR OUTPUT IP-BUS INPUT ANTENNA JACK CN251 CN1950 FRONT...
  • Page 36 KEH-P6021R,P6025 TUNER AMP UNIT...
  • Page 37 KEH-P6021R,P6025 SIDE B...
  • Page 38 KEH-P6021R,P6025 4.2 PANEL UNIT PANEL UNIT PANEL UNIT SIDE B SIDE A CN1901 CN750...
  • Page 39 KEH-P6021R,P6025 4.3 KEYBOARD UNIT KEYBOARD UNIT KEYBOARD UNIT SIDE B SIDE A TA(/EE) CLOCK(/ES) VOLUME DISPLAY SOURCE BAND CN1951 FUNCTION SFEQ AUDIO...
  • Page 40 KEH-P6021R,P6025 4.4 CASSETTE MECHANISM MODULE CN551 DECK UNIT SIDE A CN251 C271 DECK UNIT SIDE B HEAD ASSY IC,Q VR302 CN254 CN255 CN253 IC351 CN252 IC251 Q351 Q352 VR301 CN256...
  • Page 41 KEH-P6021R,P6025 REEL SENSE PCB LOAD MODE CN256 CN253 EGN1 REEL SENSE...

  • Page 42: Electrical Parts List

    Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : EWM1032 Unit Number : CWM8021(KEH-P6021R) Unit Name : Deck Unit Unit Name : Tuner Amp Unit MISCELLANEOUS MISCELLANEOUS HA12229F PML008A PA2020A PAL007A...
  • Page 43 KEH-P6021R,P6025 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Diode HZS9L(B3) RS1/16S102J Diode HZS6L(B2) RS1/16S473J Diode S5688G RS1/16S153J Diode HZS7L(C2) RS1/16S681J Diode HZS7L(A1) RS1/16S681J Diode 1SS270 RS1/16S681J Diode...
  • Page 44 KEH-P6021R,P6025 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S102J RS1/16S473J RS1/16S223J RS1/16S103J RS1/16S223J RS1/16S223J RS1/16S821J RD1/4PU152J RS1/16S821J CAPACITORS RS1/16S222J RS1/16S223J CKSRYB102K50 RS1/16S472J CEJA1R0M50 RS1/16S104J CEJA1R0M50 RS1/16S103J CKSRYB105K6R3...
  • Page 45 KEH-P6021R,P6025 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CCSRCH200J50 Diode DAN202U CKSRYB105K6R3 Diode DAP202K CEAL4R7M35 Diode DAN202K CKSRYB103K50 Diode DAN202U CCSRCH101J50 Diode DAP202U CKSRYB223K25 Diode HZS9L(B3) CCSRCH101J50...
  • Page 46 KEH-P6021R,P6025 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S203J RS1/16S104J RS1/16S473J RS1/16S131J RS1/16S473J RS1/16S131J RS1/16S473J RS1/10S392J RS1/16S104J RS1/16S102J RS1/16S473J RS1/10S472J RS1/16S473J RS1/10S222J RS1/16S102J RS1/10S222J RAB4C102J RD1/4PU0R0J RAB4C102J...
  • Page 47 CEJA101M10 CKSRYB473K16 1921 RS1/16S103J CKSRYB103K25 1922 RS1/16S331J 470µF/16V CCH1331 1923 RS1/16S331J CKSRYB104K16 1924 RS1/16S103J 1925 RS1/16S331J Unit Number : CWM8311(KEH-P6021R) 1926 RS1/16S331J Unit Name : Keyboard Unit 1927 RS1/16S472J 1930 RS1/16S101J MISCELLANEOUS 1931 RS1/16S101J 1935 RS1/16S393J IC 1902 RS-140 IC 1903...

  • Page 48: Adjustment

    KEH-P6021R,P6025 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1923 CKSQYF104Z50 1927 RS1/16S472J 1930 CKSQYF104Z50 1929 RS1/16S0R0J 1930 RS1/16S101J 1931 RS1/16S101J Unit Number : CWM8313(KEH-P6025) 1935 RS1/16S393J Unit Name...

  • Page 49: General Information

    KEH-P6021R,P6025 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (not shown) Cassette Mechanism Module 1. Remove the Case. Removing the Cassette Mechanism Module (Fig.1) Remove the four screws and then remove the Cassette Mechanism Module. Removing the Panel Assy (Fig.1) Remove the two screws and then remove the Panel Assy.

  • Page 50: Connector Function Description

    KEH-P6021R,P6025 7.1.2 CONNECTOR FUNCTION DESCRIPTION - KEH-P6021R FRONT FUSE 10A OUTPUT 1. GND 1. BUS+ 2. B.UP 2. GND 3. ACC 3. GND 4. NC 4. NC 5. ILM 5. BUS- 6. B.REM 6. GND 7. NC 7. BUS L+ INPUT 8.

  • Page 51: Parts

    KEH-P6021R,P6025 7.2 PARTS 7.2.1 IC PAL007A Protector; Over voltage Reference amp_vcc Stand-by P-GND2 Circuit OUT2- Offset Protector; STBY Detection Thermal OUT2+ OUT1- Offset P-GND1 Detection OUT1+ Protector; S-GND Short circuit AC-GND OUT3+ Offset P-GND3 Detection OUT3- OUT4+ Offset MUTE Detection...
  • Page 52 KEH-P6021R,P6025 PML008A Sel_out_L Sel_out_R Isolator circuit Rch block (same as Lch) PV_in_L PV_in_R Source Gain adjuster Tone_out_FR Tone_out_FL to Rch from Rch Primary volume (L+R) SV_in_FL SV_in_FR Loudness Treble Middle Bass volume Anti Alias Tone_out_RL Tone_out_RR filter SV_in_RR SV_in_RL Anti radiation...
  • Page 53 KEH-P6021R,P6025 - Pin Functions (PE5206A) Pin No. Pin Name Function and Operation HFPW Hand free circuit ON dsens Grille detach sense input Not used EJECTIN Eject sense input TESTIN Test program mode input LCDPW LCD back light power supply control output...
  • Page 54 KEH-P6021R,P6025 Pin No. Pin Name Function and Operation Clock adjustment 63,64 Not used RIMUTE CASSETTE:RI mute output MSIN CASSETTE:MS sense input PLAY CASSETTE:Gain select output DIRO CASSETTE:Tape direction forward/reverse select output loadsw CASSETTE:Loading switch sense input Not used ASENBO IP-BUS:Slave power supply control output MUTE E.VOL:Mute control output...
  • Page 55 KEH-P6021R,P6025 - Pin Functions (PD6294A) Pin No. Pin Name Function and Operation Crystal oscillator connection pin Crystal oscillator connection pin Not used MOD1,0 Connect to GND DIMMER Dimmer select output KYDT Key data output DPDT Display data input REMIN Remote control pulse input...
  • Page 56 KEH-P6021R,P6025 - FM/AM Tuner Unit FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT ADJ COMP MIXER, IF AMP, DET. LDET FMANT RFGND FMRF CF202 IC 3...

  • Page 57: Display

    KEH-P6021R,P6025 7.2.2 DISPLAY - CAW1627(KEH-P6021R)
  • Page 58 KEH-P6021R,P6025 - CAW1628(KEH-P6025)

  • Page 59: Operational Flow Chart

    KEH-P6021R,P6025 7.3 OPERATIONAL FLOW CHART Power ON VDD=5V Pin19 bsens Pin93 bsens=L asens Pin92 asens=L dsens Pin2 dsens=L adpw←H Pin22 ASENBO←H Pin71 CSENS - 2V<CSENS<4V , Pin77 Source returns to the original one(before you open). 2V<CSENS<4V CD, MD and TAPE loading functions are available.

  • Page 60: Cleaning

    KEH-P6021R,P6025 7.4 CLEANING Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools: Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Cleaning paper : GED-008 Capstans...

  • Page 61: Operations And Specifications

    KEH-P6021R,P6025 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - KEH-P6021R/XN/EE AUDIO SELECT SFEQ What’s What ) buttons 1–6 PRESET TUNING Press for preset tuning and disc number search when using Head unit a multi-CD player. button SOURCE button DISPLAY This unit is switched on by selecting a source. Press to cycle Press to select different displays.
  • Page 62 KEH-P6021R,P6025 Optional remote control Using the remote control with PGM button The steering remote control CD-SR80 is sold separately. The remote control CD-R600, which is sold separately, can also Operation is the same as when using the button on the head operate this unit.
  • Page 63 KEH-P6021R,P6025...
  • Page 64 KEH-P6021R,P6025...
  • Page 65 KEH-P6021R,P6025 - CONNECTION DIAGRAM...

  • Page 66: Specifications

    KEH-P6021R,P6025 8.2 SPECIFICATIONS - KEH-P6021R/XN/EE General Cassette player Power source ....14.4 V DC (10.8 – 15.1 V Tape ......... Compact cassette tape allowable) (C-30 – C-90) 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.) Grounding system ..Negative type Tape speed ...... Max. current consumption Fast forward/rewinding time .........
  • Page 67 KEH-P6021R,P6025 - KEH-P6025/XN/ES General Cassette player Power source ....14.4 V DC (10.8 – 15.1 V Tape ......... Compact cassette tape allowable) (C-30 – C-90) 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.) Grounding system ..Negative type Tape speed ...... Max. current consumption Fast forward/rewinding time .........

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