Pioneer KEHP-4900-R, KEHP-4930-R, KEHP-5900-R Service manual

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

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

ORDER NO.

CRT2399

MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER

KEH-P5900R X1M/EW

CONTENTS

1. SAFETY INFORMATION ............................................2

2. EXPLODED VIEWS AND PARTS LIST.......................2

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.....9

4. PCB CONNECTION DIAGRAM ................................24

5. ELECTRICAL PARTS LIST ........................................34

6. ADJUSTMENT..........................................................41

7. GENERAL INFORMATION .......................................43

7.1 DISASSEMBLY ...................................................43

7.2 PARTS .................................................................44

7.2.1 IC.................................................................44

7.2.2 DISPLAY.....................................................48

8. OPERATIONS AND SPECIFICATIONS.....................49

KEH-P5900R/X1M/EW

KEH-P4930R X1M/EW

KEH-P4900R X1M/EW

- This service manual should be used together with the following manual(s):

Model No. Order No. Mech. Module Remarks
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description and Greasing, Disassembly, Adjustment

- 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.

2

KEH-P5900R,P4900R,P4930R

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.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so
and refer the repair to a qualified service technician.

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

8

11

14

7

4

3

5

2

1

6

9

10

12

13

KEH-P5900R,P4900R,P4930R

3

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.

- Owner's Manual, Installation Manual

Model Part No. Language
KEH-P5900R/X1M/EW CRD3077 English, Spanish, German
KEH-P4930R/X1M/EW CRD3078 French, Italian, Dutch

CRD3079 English, Spanish, German, French, Italian, Dutch

KEH-P4900R/X1M/EW CRD3080 English, Spanish, German

CRD3081 French, Italian, Dutch
CRD3082 English, Spanish, German, French, Italian, Dutch

- PACKING SECTION PARTS LIST

Part No.

Mark No. Description KEH-P5900R/X1M/EW KEH-P4900R/X1M/EW KEH-P4930R/X1M/EW

1 Accessory Assy CEA1917 CEA1917 CEA1917
2 Screw CBA1304 CBA1304 CBA1304
3 Handle CNC5395 CNC5395 CNC5395
4 Bush CNV3930 CNV3930 CNV3930

* 5 Polyethylene Bag E36-615 E36-615 E36-615

6 Polyethylene Bag CEG-162 CEG-162 CEG-162
7 Carton CHG3887 CHG3892 CHG3888
8 Contain Box CHL3887 CHL3892 CHL3888
9 Protector CHP2244 CHP2244 CHP2244

10 Protector CHP2243 CHP2243 CHP2243

11-1 Owner’s Manual CRD3077 CRD3080 CRD3077
11-2 Owner’s Manual CRD3078 CRD3081 CRD3078

11-3 Installation Manual CRD3079 CRD3082 CRD3079
* 11-4 Passport CRY1013 CRY1013 CRY1013
* 11-5 Warranty Card CRY1157 CRY1157 CRY1157

12 Inner-Box CHW1754 Not used Not used
13 Cord Assy CDE6221 CDE6221 CDE6221
14 Case Assy CXB3520 CXB3520 CXB3520

4

KEH-P5900R,P4900R,P4930R

68

A

21
24

26

10

9

18

17

16

19

13

25

14

27

14

6

20

7

5

12

15

29

28

31

23

22

11

2

2

2

3

3

32

53

39

52

42

37

38

40

36

41

35

43

34

48

46

45

50

51

49

47

33

33

33

44

54

57

66

66

63

66

66

64

65

62

56

59

55

61

60

58

4

30

1

1

1

1

67

8

2

A

2.2 EXTERIOR

5

KEH-P5900R,P4900R,P4930R

1 Screw BSZ26P050FMC
2 Screw BSZ30P050FMC
3 Screw BSZ30P200FMC
4 Cord Assy CDE6221
5 Fuse(10A) CEK1136

6 Transistor(Q904) 2SD2396
7 Plug CKM1314
8 Case CNB2350
9 Holder CNC5704

10 Cushion CNM5210

11 Insulator CNM5963
12 Tuner Amp Unit

See Contrast table(2)

13 Screw BPZ26P080FMC
14 Screw BSZ26P080FMC
15 Screw BSZ26P160FMC

16 Cord Assy CDE5750
17 FM/AM Tuner Unit CWE1466
18 Holder CNC6554
19 Pin Jack(CN301) CKB1035
20 Plug(CN603) CKM1288

21 Connector(CN701) CKS3408
22 Connector(CN602) CKS3568
23 Connector(CN601) CKS3581
24 Antenna Jack(CN402) CKX1056
25 Panel CNB2340

26 Holder CNC5399
27 Holder CNC6845
28 Holder CNC7996
29 Heat Sink CNR1505
30 Holder Unit CXB2687

31 IC(IC302) TDA7384
32 Detach Grille Assy

See Contrast table(2)

33 Screw BPZ20P100FZK
34 Button(DETACH)

See Contrast table(2)

35 Button(1-6) CAC6239

36 Button(SOURCE) CAC6241
37 Button(+)

See Contrast table(2)

38 Button(-) See Contrast table(2)
39 Button(AUDIO) See Contrast table(2)
40 Button(EQ) CAC6247

41 Button(EJECT) CAC6268
42 Button(BAND)

See Contrast table(2)

43 Spring CBH2103
44 Cover CNS5635
45 Keyboard Unit

See Contrast table(2)

46 LCD(LCD1901) CAW1562
47 Connector(CN1901) CKS3580
48 Holder CNC8485
49 Sheet CNM6453
50 Connector CNV5914

51 Lighting Conductor CNV5915
52 Grille Sub Assy

See Contrast table(2)

53 Chassis Unit See Contrast table(2)
54 Button CAC4836
55 Spring CBH1834

56 Spring CBH1835
57 Spring CBH2182
58 Bracket CNC6135
59 Bracket CNC6791
60 Arm CNV4692

61 Arm CNV4693
62 Arm CNV4728
63 Panel Unit

See Contrast table(2)

64 Door See Contrast table(2)
65 Spring CBH1838

66 Screw IMS20P030FZK
67

Cassette Mechanism ModuleEXK4000

68 Screw ISS26P055FUC

Mark No. Description Part No. Mark No. Description Part No.

(1) EXTERIOR SECTION PARTS LIST

(2) CONTRAST TABLE
KEH-P5900R/X1M/EW, KEH-P4900R/X1M/EW and KEH-P4930R/X1M/EW are constructed same except for
the following:

Part No.

Mark No. Description KEH-P5900R/X1M/EW KEH-P4900R/X1M/EW KEH-P4930R/X1M/EW

12 Tuner Amp Unit CWM7015 CWM7017 CWM7017
32 Detach Grille Assy CXB4785 CXB4787 CXB4786
34 Button(DETACH) CAC5789 CAC5789 CAC5929
37 Button(+) CAC6242 CAC6242 CAC6559
38 Button(-) CAC6243 CAC6243 CAC6560

39 Button(AUDIO) CAC6245 CAC6245 CAC6562
42 Button(BAND) CAC6269 CAC6269 CAC6563
45 Keyboard Unit CWM7016 CWM7020 CWM7018
52 Grille Sub Assy CXB5206 CXB5208 CXB5207
53 Chassis Unit CXB4893 CXB4895 CXB4894

63 Panel Unit CXB4928 CXB4928 CXB4929
64 Door CAT2109 CAT2109 CAT2108

6

KEH-P5900R,P4900R,P4930R

2.3 CASSETTE MECHANISM MODULE

7

KEH-P5900R,P4900R,P4930R

1 Screw BSZ20P040FMC
2 Washer CBF1037
3 Washer CBG1003
4 Screw EBA1028
5 Screw EBA1037

6 Spring EBH1531
7 Spring EBH1624
8 Spring EBH1625
9 Spring EBH1626

10 Spring EBH1627

11 Spring EBH1628
12 Cord EDD1024
13 Photo-reflector(EGN1) EGN1004
14 Arm ENC1526
15 Lever ENC1530

16 Lever ENC1531
17 Arm ENC1532
18 Frame ENC1533
19 Holder ENC1534
20 Gear ENC1535

21 Arm ENC1536
22 Roller ENR1040
23 Belt ENT1027
24 Collar ENV1508
25 Arm ENV1539

26 Arm ENV1540
27 Gear ENV1544
28 Gear ENV1547
29 Gear ENV1548
30 Worm Wheel ENV1550

31 Lever ENV1551
32 Flywheel ENV1554
33 Gathering PCB ENX1054
34 Switch(S1,S2) ESG1007
35 Deck Unit EWM1023

36 Plug(CN251) CKS3540
37 Gathering PCB ENX1053
38 Motor Unit(M1) EXA1491
39 Motor EXM1028
40 Head Assy(HD1) EXA1506

41 Motor Unit(M2) EXA1580
42 Screw BMZ20P022FMC
43 Bracket ENC1528
44 Chassis Unit EXA1582
45 Pinch Holder Unit EXA1584

46 Pinch Roller ENV1518
47 Pinch Holder Unit EXA1583
48 Pinch Roller ENV1518
49 Reel Unit EXA1585
50 Head Base Unit EXA1586

51 Lever Unit EXA1587
52 Gear Unit EXA1588
53 Motor Unit(Service) EXX1055
54 Washer HBF-179

Mark No. Description Part No. Mark No. Description Part No.

- CASSETTE MECHANISM MODULE SECTION PARTS LIST

8

KEH-P5900R,P4900R,P4930R

KEH-P5900R,P4900R,P4930R

1

2

34

1

2

34

D

C

B

A

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

IC2

PA4024A

AMVCC

Q3

Q201

Q202

AM RF/AGC

FM RF

14

10

CF232

25

T31

Q31

CF51

AM IF

B

FM/AM TUNER UNIT

7

9

18

2

6

21

15

5

13

19

26

25

20

17

FM PROCESSOR

IC1

PA4023B

FM/AM PROCESSOR

23

9

FM MIX

FM IF

FM IF

CF52

FM IF

CF53

15

17

19 47

41

34

638323616 18

1

FM

OSC

AM

OSC

VCC

FMVCC

FMTV

AMIFC

VCO

AMTV

Q165

T51

2

FMSD

COMP

SD

FMSL
AMSL

31 30

28

33 40

7

43

19

TUNER Lch

IC501

PM2007A

PM4006B

IC701

IC703

TA75S393F

RDS DECODER

PLL

Q909

Q910

Q907

Q908

VCC

29

25

9

19

4
5

37

38

AMTV

FMTV

FMTV

AMTV

AMIF

FMVCO

AMVCO

X501

AM

FM

LDET

LDET

CL

Q305

Q501

Q402

Q301

Q303

LDET

TUNER MUTE

TMUTE

Q921

Q920

B.U

VDD

Q903

SYSPW

SD

SL

TMUTE

SYSPW

VDD

AVDD

CL

LDET

51
76
53
77
61

47

4

1
3

18

55 74

68

SL

12

X701

11

20

29
30

RDS57K

RDS57K

FM
AM

SYSTEM

CONTROLLER

PE5085A

IC601(1/2)

PLLDATA

TUN-L

TUN-L

ELECTRONIC VOLUME

PML003AM

IC301

11
10

2
5

6
3
9

BUS-L1

BUS-L2

TAPE-L

RL
FL

PEE

Q310

Q309

MUTE

MUTE

POWER AMP

TDA7384

IC302

11

15

MUTE

STBY

FL
RL

FL+
FL-

RL+

RL-

22 4

9
7

19
17

SYSPW

B.U

B.U

SYSPW

Q307

Q904

Q911

Q306

Q905

Q901

Q902

MUTE

8V

REGULATOR

RESET
IC602

S-80734AN

VCC

VDD

1
2

8

5
6

B.U

TX

TX

RX

RX

ASENBO

ASENBO

IP-BUS DRIVER

IC702

CA0008AM

BUSL+
BUSL­BUS-

BUS+

Q701

Q702

8

1

5

11

7

56
57
1

45

54

60

1

2

66 65

70

69

64

37

48

38

MUTE

PEE

RESET

BSENS

ASENS

SWVDD

DPDT

KYDT

ILMPW

DSENS

DILM

ASEMBO

MCMUTE

STBY

MTL
LOADSW

X1

X2

TELIN

SYSTEM

CONTROLLER

IC601(2/2)

PE5085A

X601

Q906

BSENS

ASENS

ACC

FUSE

10A

IC902

TPD1018F

ALARM/B REMOTE

5

1

6

B.U

SYSPW

TEL MUTE

Q924

B.U

VDD

Q922

Q923

DILM

STBY

B.U

MUTE

MTL

LOAD

42

20

63

26 8

9

5

VDD

Q916

Q917

ILMPW

DSENS

Q601

SWVDD

VDD

SW5V

ILL1

KYDT

DPDT

SW5V

VDD SWITCH

5

1

4

2
1

3

4

11

9

20

19

8

3

4

11

9

20

19

8

8

2

11

8

1

7

13

2
1

FM/AM

ANTENNA

A

TUNER AMP UNIT

D

DECK UNIT

C

KEYBOARD UNIT

2

8

53

4

6

8

53

4

6

LCD DRIVER

IC1901

PD6278C

DPDT
KYDT

VDD

LCDB

XO

XI

REM

REMOTE CONTROL

SENSOR

IC1902
RS-140

X1901

18
20

56

10

3
1

17

22

23

IC251

CXA2559Q

IC351

PA2020A

EQ AMP

MECHANISM

DRIVER

CN251

CN252

CN254

CN255

CN253

7

5

TAPE+B

Lch

17

18

FWD
L-ch

REV
L-ch

37

36

39

18

19

17

3

15 6

8

7

10

CN256

3

15 6

S1

LOAD

S2

MODE

EGN1

REEL

SENSE

M

M

M2

SUB

MOTOR

M1

MAIN

MOTOR

5
2
1

E

REEL SENSE PCB

CN602

CN701

IP-BUS

CN402

CN301

CN603

CN901

CN601

CN1901

VCK/VDT/VST

PDI/PCK/PDO/PCE

ACC

BACK UP

FRONT-L
SPEAKER

REAR-L
SPEAKER

TEL MUTE

B.REMOTE

2

1

2

ILM2

14

VR401

VCC

LOUT

MCMUTE

LDSW

MTL

STBY

B8

B5
B6

B7

A4

A7

KEY MATRIX

LCD

9

FM/AM TUNER UNIT

KEYBOARD UNIT

DECK UNIT

B

C

D

10

KEH-P5900R,P4900R,P4930R

1

23

4

1234

D

C

B

A

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”.

A-a A-b

A-a

A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A

A-a

CEK1136

TUNER AMP UNIT

A

11

KEH-P5900R,P4900R,P4930R

5

6

78

5

6

78

D

C

B

A

A-b

A

FM/AM TUNER UNIT

B

12

KEH-P5900R,P4900R,P4930R

1

23

4

1234

D

C

B

A

A-a

A-a

A-b

1

13

KEH-P5900R,P4900R,P4930R

5

6

78

5

6

78

D

C

B

A

A-a

A-a

A-b

2

3

KEYBOARD UNIT

DECK UNIT

C

D

14

1

23

4

1234

D

C

B

A

A-a

A-b

A-b

KEH-P5900R,P4900R,P4930R

CEK1136

TUNER AMP UNIT

A

1

15

KEH-P5900R,P4900R,P4930R

5

6

78

5

6

78

D

C

B

A

A-b

A-a

A-b

2

3

3

1

2

FM/AM TUNER UN

DSP-201M-A11F

16

KEH-P5900R,P4900R,P4930R

1

23

4

1234

D

C

B

A

B

3.3 FM/AM TUNER UNIT

B