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Pioneer KEH-3930R Service Manual

High power cassette player with rds tuner
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See also: Operating Manual
Service
Manual
HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-3930R
KEH-3900R
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-1011
CRT2406
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................32
6. ADJUSTMENT..........................................................36
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 1999
KEH-3930R/X1M/EW
Mech. Module Remarks
3L
Cassette Mech. Module:Circuit Description, Mech.Description, Disassembly
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
1
X
M/EW
7. GENERAL INFORMATION .......................................37
7.1 DISASSEMBLY ...................................................37
7.2 PARTS .................................................................38
7.2.1 IC................................................................38
7.2.2 DISPLAY ....................................................42
8. OPERATIONS AND SPECIFICATIONS.....................43
ORDER NO.
CRT2420
1
X
M/EW
K-ZZD. NOV. 1999 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 1999 K-ZZD. NOV. 1999 Printed in Japan...

  • Page 2: Safety Information

    KEH-3930R,3900R 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.
  • Page 3 CXB3520 See Contrast table(2) 9 Contain Box See Contrast table(2) 10 Protector CHP2243 (2) CONTRAST TABLE KEH-3930R/X1M/EW and KEH-3900R/X1M/EW are constructed the same except for the following: Part No. Mark No. Symbol and Description KEH-3930R/X1M/EW KEH-3900R/X1M/EW 8 Carton CHG3844 CHG3843...
  • Page 4 KEH-3930R,3900R 2.2 EXTERIOR...
  • Page 5 63 Fuse(10A) CEK1136 64 IC(IC302) TDA7384 65 Transistor(Q904) 2SD2396 (2) CONTRAST TABLE KEH-3930R/X1M/EW and KEH-3900R/X1M/EW are constructed the same except for the following: Part No. Mark No. Symbol and Description KEH-3930R/X1M/EW KEH-3900R/X1M/EW 29 Chassis Unit CXB4530 CXB4529 30 Detach Grille Assy...
  • Page 6 KEH-3930R,3900R 2.3 CASSETTE MECHANISM MODULE...
  • Page 7 KEH-3930R,3900R - 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 EXA1583 3 Washer CBG1003 48 Pinch Roller ENV1518...
  • Page 8 KEH-3930R,3900R...

  • Page 9: Block Diagram And Schematic Diagram

    KEH-3930R,3900R 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP UNIT FM/AM TUNER UNIT FM FRONT END FM/AM 1ST IF 10.7MHz FM MPX T51 Q51 CF51 CF52 CF53 CN401 Q472 Q474 ANTENNA TUNER Lch JACK IC 2 PM4008A...
  • Page 10 KEH-3930R,3900R 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. TUNER AMP UNIT ANTENNA JACK Large size SCH diagram FM/AM TUNER UNIT SOUR ELECT Guide page FM(100%) : -15.5dBs...
  • Page 11 KEH-3930R,3900R CE SELECTOR/ TRONIC VOLUME M: -15.5dBs M : -26.0dBs APE : -7.9dBs POWER AMP FM : 33.5dBs AM : 25.0dBs TAPE : 23.1dBs FM: 7.5dBs AM : -1.0dBs TAPE : -2.9dBs SYSTEM MUTE 8.4V REGULATOR 600µH > CEK1136 OFF MUTE...
  • Page 12 KEH-3930R,3900R...
  • Page 13 KEH-3930R,3900R...
  • Page 14 KEH-3930R,3900R...
  • Page 15 KEH-3930R,3900R...
  • Page 16 KEH-3930R,3900R 3.3 FM/AM TUNER UNIT FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ...
  • Page 17 KEH-3930R,3900R...
  • Page 18 KEH-3930R,3900R 3.4 KEYBOARD UNIT KEYBOARD UNIT PD6293A LCD DRIVER, KEY CONTROLLER CAW1559...
  • Page 19 KEH-3930R,3900R LOUD TA/AF LOCAL/BSM KEH-3930R/X1M/EW KEH-3900/X1M/EW IL1801-1804 CEL1638(14V 40mA) CEL1547(14V 40mA)

  • Page 20: Cassette Mechanism Module

    KEH-3930R,3900R 3.5 CASSETTE MECHANISM MODULE DECK UNIT CN252 C256 R258 C253 330P Rev-L R283 0R0 R256 220 R273 C254 330P Rev-R MSMODE PBFB2 R284 0R0 R272 DRSW PBRIN2 R290 R271 IC251 TAPESW PBGND Fwd-R R282 0R0 R274 PBFIN2 MUTESW C273...
  • Page 21 KEH-3930R,3900R M1 MOTOR UNIT (MAIN MOTOR) EXA1491 CN255 CN256 REEL SENSE CN253 EGN1 EGN1004 R373 MODE ESG1007 load S1 LOAD ESG1007 R290 REEL SENSE C403 R068 R403 82K CN254 C402 R402 18K 3900P C401 R401 4R7K MOTOR UNIT (SUB MOTOR)

  • Page 22: Pcb Connection Diagram

    KEH-3930R,3900R 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT CORD ASSY TUNER AMP UNIT 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 23 KEH-3930R,3900R SIDE A CORD ANTENNA JACK REAR PREOUT L-CH R-CH CN251...
  • Page 24 KEH-3930R,3900R TUNER AMP UNIT...
  • Page 25 KEH-3930R,3900R SIDE B...
  • Page 26 KEH-3930R,3900R 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 27 KEH-3930R,3900R SIDE B...
  • Page 28 KEH-3930R,3900R 4.3 KEYBOARD UNIT SIDE A ←...
  • Page 29 KEH-3930R,3900R SIDE B...
  • Page 30 KEH-3930R,3900R 4.4 CASSETTE MECHANISM MODULE SIDE A DECK UNIT CN602 DECK UNIT SIDE B HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 CN256...
  • Page 31 KEH-3930R,3900R REEL SENSE PCB LOAD SW 70µs SW MODE SW CN256 CN253 EGN1 REEL SENSE...

  • Page 32: Electrical Parts List

    KEH-3930R,3900R 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 33 KEH-3930R,3900R =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S473J CAPACITORS RS1/10S681J RD1/4PU472J CEJA2R2M50 RD1/4PU473J CEJA2R2M50 RD1/4PU224J CEJA2R2M50 CEJA2R2M50 RS1/10S162J CEJA2R2M50 RS1/10S162J RS1/10S272J CEJA100M16 RS1/10S272J CEJA100M16 RD1/4PU222J CKSQYB822K50...
  • Page 34 KEH-3930R,3900R =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJA220M6R3 RS1/16S223J CKSQYB104K16 RS1/16S221J CCSQCH270J50 RS1/16S221J CCSQCH270J50 RS1/16S473J CEJA101M10 RS1/16S470J CKSQYB473K50 RS1/16S470J 470µF/16V CCH1183 RS1/16S103J CKSQYB103K50 RS1/16S103J 330µF/10V CCH1181...
  • Page 35 KEH-3930R,3900R =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB103K50 CKSRYB682K25 CKSQYB334K16 CKSQYB223K25 CKSRYB222K50 CKSQYB474K16 CCSRCH470J50 CKSYB475K10 CKSRYB103K50 CKSRYB223K25 CKSRYB103K50 CKSQYB225K10 CKSRYB473K16 CCSRCH270J50 CCSRCK2R0C50 CCSRCH270J50 CKSRYB103K50 CKSYB105K16 CKSRYB104K16...

  • Page 36: Adjustment

    KEH-3930R,3900R =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : EWM1023 CAPACITORS Unit Name : Deck Unit CKSRYB331K50 CKSRYB331K50 MISCELLANEOUS CKSRYB331K50 CKSRYB331K50 CXA2559Q CKSRYB103K50 PA2020A Diode...

  • Page 37: General Information

    KEH-3930R,3900R 7. GENERAL INFORMATION 7.1. DISASSEMBLY Cassette Mechanism Module Remove the Case(not shown) 1. Remove the two screws. 2. Remove the Case. Remove the Cassette Mechanism Module (not shown) 1. Remove the four screws. 2.Disconnect the connector, and then remove the Cassette Mechanism module.

  • Page 38: Parts

    KEH-3930R,3900R 7.2 PARTS 7.2.1 IC - Pin Functions (PE5088A) Pin No. Pin Name Format Function and Operation Not used ADPW A/D converter power supply output AVSS swvdd Grille power supply control output FM stereo input AVREF1 Connected to 5V line...
  • Page 39 KEH-3930R,3900R Pin No. Pin Name Format Function and Operation RDS clock input dsens Grille detach sense input TELIN Telephone mute input asens ACC power sense input bsens Back up power sense input Not used Oscillator output Oscillator input Connect to GND...
  • Page 40 KEH-3930R,3900R - Pin Functions (PD6293A) Pin No. Pin Name Function and Operation SEG4-0 LCD segment output COM3-0 LCD common output VLCD LCD drive power supply 11-14 KST3-0 Key strobe output 15,16 KDT0,1 Key data input (analogue input) Remote control reception...
  • Page 41 KEH-3930R,3900R S-80834ANY BR9010FV : Chip select input : Serial data clock input : Serial data input : Serial data output : Write control input PM4009A...

  • Page 42: Display

    KEH-3930R,3900R 7.2.2 DISPLAY - CAW1559...

  • Page 43: Operations And Specifications

    KEH-3930R,3900R 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS 5/∞/2/3 EJECT button buttons SOURCE/OFF button BAND button Cassette door AUDIO button Buttons 1–6 DISP button Detach button +/– button TA/AF button LOCAL/BSM button PTY button...
  • Page 44 KEH-3930R,3900R...
  • Page 45 KEH-3930R,3900R...
  • Page 46 KEH-3930R,3900R...
  • Page 47 KEH-3930R,3900R...

  • Page 48: Specifications

    KEH-3930R,3900R 8.2 SPECIFICATIONS General FM tuner Power source ..14.4 V DC (10.8 – 15.1 V allowable) Frequency range ........87.5 – 108 MHz Grounding system ........Negative type Usable sensitivity ....11 dBf (1.0 µV/75 Ω, mono, S/N: 30 dB) Max.

This manual is also suitable for:

Keh-3900rKeh-3930rx1m/ewKeh-3900rx1m/ew

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