Pioneer KEH-3930R Service Manual
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3 7 63 1515 0
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.
CX-1011
TE
L 13942296513
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
4. PCB CONNECTION DIAGRAM ................................22
www
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
http://www.xiaoyu163.com
Order No.
Mech. Module Remarks
CRT2406
3L
x
ao
y
i
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
http://www.xiaoyu163.com
8
KEH-3930R/X1M/EW
1
X
M/EW
Cassette Mech. Module:Circuit Description, Mech.Description, Disassembly
Q Q
3
6 7
1 3
7. GENERAL INFORMATION .......................................37
7.1 DISASSEMBLY ...................................................37
7.2 PARTS .................................................................38
7.2.1 IC................................................................38
7.2.2 DISPLAY ....................................................42
u163
8. OPERATIONS AND SPECIFICATIONS.....................43
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
K-ZZD. NOV. 1999 Printed in Japan
9 9
ORDER NO.
CRT2420
1
X
M/EW
2 8
9 9

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Summary of Contents for Pioneer KEH-3930R

  • 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 http://www.xiaoyu163.com...
  • Page 2: Safety Information

    KEH-3930R,3900R 3 7 63 1515 0 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: Manual

    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 L 13942296513 8 Carton CHG3844...
  • Page 4: Manual

    KEH-3930R,3900R 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 5: Manual

    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: Manual

    KEH-3930R,3900R 3 7 63 1515 0 2.3 CASSETTE MECHANISM MODULE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7: Manual

    KEH-3930R,3900R 3 7 63 1515 0 - 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...
  • Page 8: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 9: Block Diagram And Schematic Diagram

    KEH-3930R,3900R 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 7 63 1515 0 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...
  • Page 10 KEH-3930R,3900R 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) 3 7 63 1515 0 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...
  • Page 11 KEH-3930R,3900R 3 7 63 1515 0 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 L 13942296513 8.4V REGULATOR...
  • Page 12: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 13: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 14: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 15: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 16: Http://Www.xiaoyu163.Com 6

    KEH-3930R,3900R 3 7 63 1515 0 3.3 FM/AM TUNER UNIT FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 17: Http://Www.xiaoyu163.Com 6

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 18: Manual

    KEH-3930R,3900R 3 7 63 1515 0 3.4 KEYBOARD UNIT KEYBOARD UNIT PD6293A L 13942296513 LCD DRIVER, KEY CONTROLLER CAW1559 u163 http://www.xiaoyu163.com...
  • Page 19: Manual

    KEH-3930R,3900R 3 7 63 1515 0 LOUD TA/AF L 13942296513 LOCAL/BSM KEH-3930R/X1M/EW KEH-3900/X1M/EW IL1801-1804 CEL1638(14V 40mA) CEL1547(14V 40mA) u163 http://www.xiaoyu163.com...
  • Page 20: Manual

    KEH-3930R,3900R 3 7 63 1515 0 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...
  • Page 21: Manual

    KEH-3930R,3900R 3 7 63 1515 0 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...
  • Page 22: Pcb Connection Diagram

    KEH-3930R,3900R 3 7 63 1515 0 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...
  • Page 23: Manual

    KEH-3930R,3900R 3 7 63 1515 0 SIDE A CORD ANTENNA JACK REAR PREOUT L-CH R-CH L 13942296513 u163 CN251 http://www.xiaoyu163.com...
  • Page 24: Manual

    KEH-3930R,3900R 3 7 63 1515 0 TUNER AMP UNIT L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 25: Manual

    KEH-3930R,3900R 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 26: Manual

    KEH-3930R,3900R 4.2 FM/AM TUNER UNIT 3 7 63 1515 0 SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 27: Manual

    KEH-3930R,3900R 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28: Manual

    KEH-3930R,3900R 3 7 63 1515 0 4.3 KEYBOARD UNIT SIDE A ← L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 29: Manual

    KEH-3930R,3900R 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30: Manual

    KEH-3930R,3900R 3 7 63 1515 0 4.4 CASSETTE MECHANISM MODULE SIDE A DECK UNIT CN602 L 13942296513 DECK UNIT SIDE B HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 CN256 u163 http://www.xiaoyu163.com...
  • Page 31: Manual

    KEH-3930R,3900R 3 7 63 1515 0 REEL SENSE PCB LOAD SW 70µs SW MODE SW CN256 CN253 EGN1 REEL SENSE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 32: Electrical Parts List

    KEH-3930R,3900R 3 7 63 1515 0 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..
  • Page 33: Manual

    KEH-3930R,3900R 3 7 63 1515 0 =====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...
  • Page 34: Manual

    KEH-3930R,3900R 3 7 63 1515 0 =====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...
  • Page 35: Manual

    KEH-3930R,3900R 3 7 63 1515 0 =====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...
  • Page 36: Adjustment

    KEH-3930R,3900R 3 7 63 1515 0 =====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...
  • Page 37: General Information

    KEH-3930R,3900R 3 7 63 1515 0 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.
  • Page 38: Parts

    KEH-3930R,3900R 3 7 63 1515 0 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...
  • Page 39: Manual

    KEH-3930R,3900R 3 7 63 1515 0 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...
  • Page 40: Manual

    KEH-3930R,3900R 3 7 63 1515 0 - 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)
  • Page 41: Manual

    KEH-3930R,3900R 3 7 63 1515 0 S-80834ANY BR9010FV : Chip select input : Serial data clock input : Serial data input : Serial data output : Write control input PM4009A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 42: Display

    KEH-3930R,3900R 3 7 63 1515 0 7.2.2 DISPLAY - CAW1559 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 43: Operations And Specifications

    KEH-3930R,3900R 3 7 63 1515 0 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS 5/∞/2/3 SOURCE/OFF button EJECT button buttons Cassette door BAND button Buttons 1–6 AUDIO button DISP button Detach button L 13942296513 +/– button TA/AF button LOCAL/BSM button PTY button u163 http://www.xiaoyu163.com...
  • Page 44: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 45: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 46: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 47: Manual

    KEH-3930R,3900R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 48: Manual

    KEH-3930R,3900R 3 7 63 1515 0 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-3900r x1m/ew

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