Pioneer KEH-1900-R, KEH-1930-R Service manual

4 (2)

Service

KEH-1900R/X1M/EW

Manual

ORDER NO.

 

 

CRT2267

HIGH POWER CASSETTE PLAYER WITH RDS TUNER

KEH-1900R X1M/EW

KEH-1930R X1M/EW

NOTE:

-See the separate manual CX-644(CRT1800) for the cassette mechanism description.

-The cassette mechanism assy employed in this model is one of 2M series.

CONTENTS

1.

SAFETY INFORMATION............................................

2

7.

GENERAL INFORMATION.......................................

33

2.

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

2

 

7.1

PARTS ................................................................

33

3.

BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....

9

 

 

7.1.1 IC ...............................................................

33

4.

PCB CONNECTION DIAGRAM................................

18

 

 

7.1.2 DISPLAY ...................................................

36

5.

ELECTRICAL PARTS LIST........................................

26

 

7.2

DISASSEMBLY ..................................................

37

6.

ADJUSTMENT .........................................................

31

8.

OPERATIONS AND SPECIFICATIONS....................

38

 

 

 

PIONEER ELECTRONIC 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 ELECTRONIC CORPORATION 1999

K-ZZB. MAR. 1999 Printed in Japan

KEH-1900R,1930R

1. SAFETY INFORMATION

CAUTION

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

17

15

14

13

2

7

3 5

4

9

12

1

10

11

8

2

KEH-1900R,1930R

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.

-PACKING SECTION PARTS LIST

 

 

 

Part.No

Mark No. Description

KEH-1900R/X1M/EW

KEH-1930R/X1M/EW

 

1

Cord Assy

CDE5807

CDE5807

 

2

Accessory Assy

CEA1917

CEA1917

 

3

Handle

CNC5395

CNC5395

 

4

Bush

CNV3930

CNV3930

 

5

Screw

CBA1304

CBA1304

*

6

Polyethylene Bag

E36-615

E36-615

 

7

Carton

CHG3600

CHG3601

 

8

Contain Box

CHL3600

CHL3601

 

9

Protector

CHP1622

CHP1622

 

10

Protector

CHP1623

CHP1623

 

11

Polyethylene Bag

CEG-162

CEG-162

 

12

Case Assy

CXB3520

CXB3520

 

13

Owner's Manual

CRD2806

CRD2806

 

14

Owner's Manual

CRD2807

CRD2807

 

15

Installation Manual

CRD2809

CRD2809

*

16

Passport

CRY1013

CRY1013

*

17

Warranty Card

CRY1087

CRY1087

- Owner's Manual, Installation Manual

Model

Part No.

Language

KEH-1900R/X1M/EW

CRD2806

English,Spanish,Dutch

KEH-1930R/X1M/EW

CRD2807

French,Italian,German

 

CRD2809

English,Spanish,Dutch,French,Italian,German

3

KEH-1900R,1930R

2.2 EXTERIOR

4

KEH-1900R,1930R

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description

Part No.

 

Mark No. Description

Part No.

1

Screw

BSZ26P050FMC

41

Panel Unit

See Contrast table(2)

2

Screw

BSZ30P100FMC

42

Door

See Contrast table(2)

3

Cord Assy

CDE5807

43

Spring

CBH1838

4

Terminal Cover

CKX-003

44

Panel

See Contrast table(2)

5

Case

CNB2481

45

Screw

IMS20P030FZK

6

Screw

BSZ30P055FUC

46

Detach Grille Assy

See Contrast table(2)

7

Screw

BSZ30P060FMC

47

Screw

BPZ20P120FZK

8

Screw

BSZ30P100FMC

48

Button(Detachable)

CAC5869

9

Holder

CNC5704

49

Button(Eject)

See Contrast table(2)

10

Cushion

CNM4870

50

Button(REW)

See Contrast table(2)

11

Insulator

CNM5025

51

Button(FF)

See Contrast table(2)

12

Tuner Amp Unit

CWM6350

52

Button(F,A,Cross)

See Contrast table(2)

13

•••••

 

53

Button(-,-)

See Contrast table(2)

14

Screw

BSZ26P080FMC

54

Button(1-6,D,B)

CAC5881

15

Screw

BSZ26P140FMC

55

Button(+,-)

See Contrast table(2)

16

FM/AM Tuner Unit

CWE1466

56

Button(SO/OFF,PGM)

See Contrast table(2)

17

Holder

CNC6554

57

Spring

CBH1836

18

•••••

 

58

Spring

CBH2103

19

Plug(CN601)

CKM1270

59

Grille Unit

See Contrast table(2)

20

Connector(CN604)

CKS3362

60

Cover

See Contrast table(2)

21

•••••

 

61

Keyboard Unit

See Contrast table(2)

22

Connector(CN603)

CKS3581

62

LCD(LCD901)

CAW1512

23

Antenna Jack(CN301)

CKX1056

63

Connector(CN901)

CKS3580

24

Panel

CNB2246

64

Holder

CNC8054

25

Holder

CNC5399

65

Connector

CNV5586

26

Holder

CNC6216

66

Rubber

CNV5587

27

Heat Sink

CNC6217

67

Holder

CNV5589

28

•••••

 

68

Lighting Conductor

CNV5752

29

Holder

CNC6845

69

Case Assy

CXB3520

30

Chassis Unit

See Contrast table(2)

70

IC(IC501)

TDA7384

31

Holder Unit

CXB2687

71

Fuse(10A)(FU951)

CEK1136

32

Button

CAC4836

72

Transistor(Q804)

2SD2396

33

Spring

CBH1834

73

Cassette Mechanism Assy

EXK3450

34

Spring

CBH1835

 

 

 

 

35

Spring

CBH1996

 

 

 

 

36

Bracket

CNC6135

 

 

 

 

37

Bracket

CNC6791

 

 

 

 

38

Arm

CNV4692

 

 

 

 

39

Arm

CNV4693

 

 

 

 

40

Arm

CNV4728

 

 

 

 

5

KEH-1900R,1930R

(2) CONTRAST TABLE

KEH-1900R/X1M/EW and KEH-1930R/X1M/EW are constructed the same except for the following:

 

 

Part No.

Mark No.

Description

KEH-1900R/X1M/EW

KEH-1930R/X1M/EW

30

Chassis Unit

CXB3224

CXB3225

41

Panel Unit

CXB3714

CXB3716

42

Door

CAT2028

CAT2037

44

Panel

CNS5211

CNS5212

46

Detach Grille Assy

CXB3376

CXB3373

49

Button(Eject)

CAC5870

CAC5871

50

Button(REW)

CAC5872

CAC5873

51

Button(FF)

CAC5874

CAC5875

52

Button(Cross,A,F)

CAC6127

CAC5877

53

Button(-,-)

CAC5878

CAC5879

55

Button(+,-)

CAC6128

CAC5883

56

Button(SO/OFF,PGM)

CAC5884

CAC5885

59

Grille Unit

CXB4038

CXB4039

60

Cover

CNS5209

CNS5210

61

Keyboard Unit

CWM6272

CWM6274

6

KEH-1900R,1930R

2.3 CASSETTE MECHANISM ASSY

7

KEH-1900R,1930R

- CASSETTE MECHANISM ASSY SECTION PARTS LIST

Mark No. Description

Part No.

 

Mark No. Description

Part No.

1

Screw

BSZ23P050FMC

46

Gear

ENV1475

2

Washer

CBG1003

47

Gear

ENV1512

3

Connector(CN1)

CKS2829

48

Gear

ENV1513

4

Screw(M2x5)

EBA1038

49

Gear

ENV1502

5

Screw(M2x2.5)

EBA1037

50

Lever

ENV1480

6

Spring

EBH1554

51

Lever

ENV1487

7

Spring

EBH1555

52

Pinch Holder Unit

EXA1516

8

Spring

EBH1556

53

Arm

ENV1519

9

Spring

EBH1603

* 54

PCB

ENP1161

10

Spring

EBH1591

55

Switch(EJECT)(S4)

ESG1006

11

Spring

EBH1559

56

Switch(FWD/REV)(S3)

ESH1006

12

Spring

EBH1593

57

Switch(LOAD)(S1)

ESN1016

13

Spring

EBH1561

58

Switch(MUTE)(S2)

ESN1017

14

Spring

EBH1562

59

Head Assy(HD1)

EXA1466

15

Spring

EBH1563

60

Motor Unit(M1)

EXA1467

16

Spring

EBH1590

61

Flywheel Unit

EXA1547

17

Spring

EBH1565

62

•••••

 

18

Spring

EBH1566

63

Arm Unit

EXA1447

19

Spring

EBH1567

64

Arm Unit

EXA1448

20

Spring

EBH1568

65

Arm Unit

EXA1550

21

Spring

EBH1569

66

Reel Unit

EXA1450

22

Spring

EBH1571

67

Pinch Holder

ENV1466

23

Spring

EBH1579

68

Pinch Roller

ENV1518

24

Head Base

ENC1475

69

Pinch Holder

ENV1467

25

Lever

ENC1429

70

Pinch Holder Unit

EXA1515

26

Lever

ENC1430

71

Chassis Unit

EXA1498

27

Lever

ENC1431

72

Arm

ENV1524

28

Lever

ENC1432

73

Washer

CBF-167

29

Arm

ENC1433

74

Resistor(R1)

RD1/4HM472J

30

Arm

ENC1434

75-78

•••••

 

31

Arm

ENC1480

79

Cover

ENC1452

32

Arm

ENC1476

80

•••••

 

33

Bracket

ENC1512

81

Spring

EBH1592

34

Lever

ENC1523

82

Washer

CBF1051

35

Arm

ENC1524

 

 

 

 

36

Frame

ENC1440

 

 

 

 

37

Holder

ENC1441

 

 

 

 

38

Lever

ENC1446

 

 

 

 

39

Lever

ENC1478

 

 

 

 

40

Belt

ENT1027

 

 

 

 

41

Gear

ENV1504

 

 

 

 

42

Gear

ENV1470

 

 

 

 

43

Gear

ENV1517

 

 

 

 

44

Lever

ENV1472

 

 

 

 

45

Gear

ENV1510

 

 

 

 

8

KEH-1900R,1930R

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

- KEH-1900R/X1M/EW

A

B

D

C

9

1

 

2

 

3

 

4

 

 

 

KEH-1900R,1930R

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

A

LIST”.

 

 

 

 

 

 

 

 

 

 

 

A-a

 

A-b

Large size

B

 

FM/AM TUNER UNIT

 

 

SCH diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A-a

A-a

A-b

Guide page

A-a

A-b

Detailed page

B

C

D

 

CASSETTE

TAPE:-24dBs

PCB

 

D

10 A D

1

2

3

4

Pioneer KEH-1900-R, KEH-1930-R Service manual

5

6

7

 

8

 

 

KEH-1900R,1930R

 

A-b

 

 

A

 

 

 

 

A TUNER AMP UNIT

 

 

 

 

 

 

 

B

TAPE:-25dBs

 

 

 

 

TAPE:-25dBs

 

 

 

 

FM:+9dBs

 

 

 

 

MW/LW:-1dBs

 

TAPE:+22dBs

 

 

 

 

 

 

 

 

 

RR RR

 

 

 

-

+

 

 

BACK

FR FR

 

 

UP

-

+

 

 

ANT

FL FL

 

 

-

+

 

 

 

 

 

GND ACC

RL RL

 

 

-

+

 

 

 

 

 

 

 

C

B

PGM

 

 

 

IL901~904: CEL1547(KEH-1900R/X1M/EW)

 

 

 

 

: CEL1479(KEH-1930R/X1M/EW)

 

 

 

 

 

 

 

 

D

 

 

C KEYBOARD UNIT

 

 

 

 

A C 11

5

6

7

 

8

A

B

1

2

3

4

KEH-1900R,1930R

A-a A-b

C

D

FM/AM TUNER UNIT

B

12 A-a

1

2

3

4

5

6

7

TAPE:-24dBs

PCB

CASSETTE

D

8

KEH-1900R,1930R

A-a A-b

A-a D 13

A

B

C

D

5

 

6

 

7

 

8

 

 

 

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