Pioneer KEH-P900R Service Manual
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Pioneer KEH-P900R Service Manual

Pioneer KEH-P900R Service Manual

Multi-cd control high power cassette player with rds tuner
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3 7 63 1515 0
Service
Manual
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P5900R
KEH-P4900R
KEH-P4930R
- This service manual should be used together with the following manual(s):
Model No. Order No.
TE
CX-1011
CRT2406
L 13942296513
-
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 .......................2
4. PCB CONNECTION DIAGRAM ................................24
www
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................41
.
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
Mech. Module
Remarks
3L
Cassette Mech. Module:Mech.Description and Greasing, Disassembly, Adjustment
x
ao
u163
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
2 9
8
KEH-P5900R/X1M/EW
X1M/EW
X1M/EW
Q Q
3
6 7
1 3
1 5
7. GENERAL INFORMATION .......................................43
7.1 DISASSEMBLY ...................................................43
7.2 PARTS .................................................................44
7.2.1 IC.................................................................44
7.2.2 DISPLAY .....................................................48
co
8. OPERATIONS AND SPECIFICATIONS.....................49
.
9 4
2 8
ORDER NO.
CRT2399
X1M/EW
0 5
8
2 9
9 4
2 8
m
K-ZZB. OCT. 1999 Printed in Japan
9 9
9 9

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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-ZZB. OCT. 1999 Printed in Japan http://www.xiaoyu163.com...

  • Page 2: Safety Information

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Part No.
  • Page 4 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 5 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P050FMC 36 Button(SOURCE) CAC6241 2 Screw BSZ30P050FMC 37 Button(+) See Contrast table(2) 3 Screw BSZ30P200FMC 38 Button(-) See Contrast table(2) 4 Cord Assy CDE6221...
  • Page 6 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 2.3 CASSETTE MECHANISM MODULE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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 CBG1003 48 Pinch Roller ENV1518...
  • Page 8 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 9: Block Diagram And Schematic Diagram

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP UNIT FM/AM TUNER UNIT Q31 CF51 CF52 CF53 CN402 FM RF FM MIX FM IF FM IF FM IF TUNER MUTE Q301 Q303 FM/AM TUNER Lch...
  • Page 10 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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”. Large size SCH diagram FM/AM TUNER UNIT Guide page Detailed page L 13942296513 u163...
  • Page 11 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 TUNER AMP UNIT L 13942296513 CEK1136 u163 http://www.xiaoyu163.com...
  • Page 12 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 14 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 3.3 FM/AM TUNER UNIT FM/AM TUNER UN L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 ER UNIT L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 3.4 KEYBOARD UNIT KEH-P5900R/X1M/EW L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 KEYBOARD UNIT L 13942296513 DISP TA/AF LOCAL/BSM u163 http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 KEH-P4900R/X1M/EW, KEH-P4930R/X1M/EW L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 KEYBOARD UNIT DISP P4900R/EW L 13942296513 P4900R/EW : CEL1549x5 14V, 40mA P4930R/EW : CEL1636x4 TA/AF P4930R/EW LOCAL/BSM u163 http://www.xiaoyu163.com...

  • Page 22: Cassette Mechanism Module

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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 PBGND TAPESW Fwd-R R282 0R0 R274 MUTESW...
  • Page 23 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 M1 MOTOR UNIT (MAIN MOTOR) EXA1491 CN255 CN256 REEL SENSE CN253 EGN1 EGN1004 R373 MODE ESG1007 MECHANISM DRIVER load S1 LOAD ESG1007 R290 REEL SENSE C403 R068 R403 82K CN254 C402 R402 18K 3900P C401 R401...

  • Page 24: Pcb Connection Diagram

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS CORD ASSY 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 25 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 SIDE A IP-BUS ANTENNA L 13942296513 CN251 u163 http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 TUNER AMP UNIT L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 4.2 FM/AM TUNER UNIT SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 4.3 KEYBOARD UNIT 3 7 63 1515 0 KEH-P5900R/X1M/EW SIDE B SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 31 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 KEH-P4900R/X1M/EW, KEH-P4930R/X1M/EW SIDE A SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 32 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 4.4 CASSETTE MECHANISM MODULE DECK UNIT CN602 SIDE A L 13942296513 SIDE B DECK UNIT HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 u163 CN256 http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 REEL SENSE PCB LOAD SW 70µs SW MODE SW CN256 EGN1 CN253 REEL SENSE L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 34: Electrical Parts List

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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 35 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S223J RS1/10S222J RS1/10S101J RS1/10S222J RS1/10S101J RD1/4PU222J RS1/10S223J RS1/10S222J RS1/10S223J RD1/4PU222J RD1/4PU102J RD1/4PU222J RD1/4PU102J RD1/4PU222J RS1/10S0R0J RD1/4PU222J...
  • Page 36 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S0R0J CCSQSL101J50 RS1/10S102J CKSQYB104K50 RS1/10S103J CKSQYB223K50 RS1/10S152J CKSQYB103K50 RS1/10S102J CKSYB223K50 RS1/10S103J 4.7µF/16V CCH1165 RS1/10S223J CKSQYB471K50 RS1/10S473J...
  • Page 37 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 CONTRAST TABLE of TUNER AMP UNIT KEH-P5900R/X1M/EW, KEH-P4900R/X1M/EW and KEH-P4930R/X1M/EW are constructed same except for the following: Part No. KEH-P5900R/X1M/EW KEH-P4900R/X1M/EW Symbol and Description KEH-P4930R/X1M/EW Q905 Transistor 2SA1048 2SB1238 Q916, 922 Transistor 2SB1238 Not used Q917, 923 Transistor...
  • Page 38 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S220J CKSQYB104K16 RS1/16S101J CKSQYB104K16 RS1/16S102J CEJA3R3M50 RS1/16S471J CKSRYB102K50 RS1/16S822J CCSRCH100D50 RS1/16S822J CCSRCH471J50 RS1/16S102J CCSRCH100D50 RS1/16S272J CKSRYB332K50...
  • Page 39 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1920 Push Switch CSG1117 1905 CEL1549 Lamp 14V 40mA 1921 Switch CSG1041 LCD1901 CAW1562 1922 Push Switch...
  • Page 40 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : EWM1023 Unit Number : Unit Name : Deck Unit Unit Name : Reel Sense PCB MISCELLANEOUS Switch(LOAD)

  • Page 41: Adjustment

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 6. ADJUSTMENT - Connection Diagram BACK UP +14.4V DC Regulated Power Supply Lch + Ω Lch - mV Meter (1) Oscilloscope Rch + Ω Rch - Dummy Antenna Antenna Plug Ω (37.5 Ω Stereo FM SSG Modulator...
  • Page 42 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize.

  • Page 43: General Information

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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. 2.Disconnect the connector, and then remove the Cassette Mechanism Module.

  • Page 44: Parts

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 7.2 PARTS 7.2.1 IC CXA2559Q L 13942296513 PML003AM Loud- Front- Rear- IN1_R IN2_R IN3_R IN4+_R IN4-_R AGND out_R out_R out_R FIE_R DATA SVin_R Isolator circuit Anti radiation Fader Secondary Anti Alias filter volume volume filter Loudness...
  • Page 45 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 - Pin Functions(PE5085A) Pin No. Pin Name Format Function and Operation ASENBO Slave power supply control output Not used ADPW A/D converter power AVSS swvdd Grille power supply control output FM stereo input AVREF1 D/A converter standard voltage KYDT...
  • Page 46 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 Pin No. Pin Name Format Function and Operation dsens Grille detach sense input TELIN Cellular mute input asens ACC power sense input bsens Back up power sense input CLKIN Clock sense input Oscillator output Oscillator input Not used TESTIN...
  • Page 47 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 - Pin Functions (PD6278C) Pin No. Pin Name Function and Operation SEG4-0 LCD segment output COM3-0 LCD common output LCD drive power supply 11-14 KS4-1 Key strobe output 15,16 KD1,2 Key data input (analogue input) Remote control reception System micro computer UART communication data input System reset...

  • Page 48: Display

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 7.2.2 DISPLAY - CAW1562 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 49: Operations And Specifications

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 8. OPERATIONS AND SPECIFICATIONS - Connection Diagram (KEH-P5900R/X1M/EW) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 50 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 8.1 OPERATIONS (KEH-P5900R/X1M/EW) LOCAL/BSM button BAND button 5/∞/2/3 EJECT button EQ button buttons Cassette door L 13942296513 Detach button Buttons 1–6 SOURCE/OFF button TA/AF button DISPLAY button PTY button AUDIO button +/– button u163 http://www.xiaoyu163.com...
  • Page 51 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 52 http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 53: Specifications

    http://www.xiaoyu163.com KEH-P5900R,P4900R,P4930R 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-p4900rKeh-p4930rKeh-p5900r

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