Pioneer KEH-P424 Bedienungsanleitung

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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880

C PIONEER ELECTRONIC CORPORATION 1998 K-ZEM. FEB. 1998 Printed in Japan

ORDER NO.

CRT2169

MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

KEH-P424 X1M/UC

NOTE:

-See the separate manual CX-631(CRT1640) for the cassette mechanism description.

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

-Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

-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.

KEH-P4700 X1M/UC

• KEH-P424/X1M/UC

CONTENTS

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

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

3. SCHEMATIC DIAGRAM ............................................8

4. PCB CONNECTION DIAGRAM ...............................18

5. ELECTRICAL PARTS LIST .......................................28

6. ADJUSTMENT ........................................................35

7. GENERAL INFORMATION ......................................37

7.1 PARTS.................................................................37

7.1.1 IC ...............................................................37

7.1.2 DISPLAY ...................................................41

7.2 DISASSEMBLY ..................................................42

7.3 BLOCK DIAGRAM..............................................43

8. OPERATIONS AND SPECIFICATIONS ...................44

KEH-P4750 X1M/ES

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

KEH-P424,P4700,P4750

17,18,19,

20,21

Fig. 1

1. SAFETY INFORMATION

UC model

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 mot risk trying to do so

and refer the repair to a qualified service technician.

WARNING

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive

toxicant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section

25249.5). When servicing or handling circuit boards and other components which contain lead in solder, avoid

unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

KEH-P424,P4700,P4750

NOTE:

-Parts marked by “*”and ⊗can not be supplied.

-Screws adjacent to ∇mark on the product are used for disassembly.

-PACKING SECTION PARTS LIST

Part No.

Mark No. Description KEH-P424/X1M/UC KEH-P4700/X1M/UC KEH-P4750/X1M/ES

1 Cord Assy CDE5496 CDE5496 CDE5496

* 2 Accessory Assy CEA2350 CEA2350 CEA2350

3 Spring CBH1650 CBH1650 CBH1650

4 Screw Assy CEA2351 CEA2351 CEA2351

5 Screw CBA1304 CBA1304 CBA1304

* 6 Polyethylene Bag CEG-127 CEG-127 CEG-127

7 Screw(x4) CRZ50P090FMC CRZ50P090FMC CRZ50P090FMC

8 Screw(x4) TRZ50P080FMC TRZ50P080FMC TRZ50P080FMC

* 9 Polyethylene Bag CEG-158 CEG-158 CEG-158

10 Handle(x2) CNC5395 CNC5395 CNC5395

11 Bush CNV3930 CNV3930 CNV3930

12 Polyethylene Bag CEG1173 CEG1173 CEG1-162

13 Carton CHG3471 CHG3470 CHG3472

14 Contain Box CHL3471 CHL3470 CHL3472

15 Protector CHP2021 CHP2021 CHP2021

16 Protector CHP2022 CHP2022 CHP2022

17 Owner’s Manual CRD2585 CRD2587 CRD2596

18 Installation Manual CRD2586 CRD2588 CRD2598

* 19 Warranty Card CRY1070 Not used Not used

* 20 Card Not used ARY1048 Not used

21 Owner’s Manual Not used Not used CRD2597

22 Case Assy CXB1063 CXB1063 CXB1063

-Owner's Manual, Installation Manual

Model Part No. Language

KEH-P424/X1M/UC CRD2585 English, French

CRD2586 English, French

KEH-P4700/X1M/UC CRD2587 English, French, Spanish

CRD2588 English, French, Spanish

KEH-P4750/X1M/ES CRD2596 English, Spanish, Portuguese

CRD2597 Chinese, Arabic

CRD2598 English, Spanish,

Portuguese, Chinese, Arabic

KEH-P424,P4700,P4750

Fig. 2

2.2 EXTERIOR

KEH-P424,P4700,P4750

(1) EXTERIOR SECTION PARTS LIST

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

1 Screw BSZ26P050FMC

2 Screw BSZ30P060FMC

3 Cord Assy CDE5496

4 Spring CBH1650

5 Screw CBA1304

6 Handle CNC5395

7 Bush CNV3930

8 Fuse CEK1136

9 Case CNB2283

10 Holder CNC6798

11 Panel CNS4200

12 Screw BMZ30P100FMC

13 Screw BSZ30P055FUC

14 Screw BSZ30P060FMC

15 Holder Unit CXB2687

16 Cushion CNM4870

17 Insulator CNM5571

⊗18 Tuner Amp Unit See Contrast table(2)

19 Screw BPZ26P080FMC

20 Screw BSZ26P080FMC

21 Screw BSZ26P140FMC

22 Cord Assy(CN603) See Contrast table(2)

23 FM/AM Tuner Unit See Contrast table(2)

24 Holder CNC6554

25 Pin Jack(CN301) CKB1028

26 Plug(CN951) CKM1270

27 Connector(CN751) CKS3408

28 Connector(CN602) CKS3568

29 Connector(CN601) CKS3581

30 Antenna Jack(CN402) CKX1056

31 Panel CNB2256

32 Holder CNC5399

33 Holder CNC6531

34 Holder CNC6674

35 Holder CNC6845

36 Heat Sink CNR1426

37 Chassis Unit CXB2347

38 Case Assy CXB1063

39 Button CAC4836

40 Spring CBH1834

41 Spring CBH1835

42 Spring CBH1996

43 Bracket CNC6135

44 Bracket CNC6791

45 Arm CNV4692

46 Arm CNV4693

47 Arm CNV4728

48 Panel Unit See Contrast table(2)

49 Door CAT1947

50 Spring CBH1838

51 Screw IMS20P030FZK

52 Detach Grille Assy See Contrast table(2)

53 Screw BPZ20P100FZK

54 Button( ) CAC5430

55 Button( , ) CAC5431

56 Button(SOURCE) CAC5433

57 Button(+,–) CAC5435

58 Button(BAND,F,A) CAC5437

59 Button(1,2,3,4,5,6) CAC5439

60 Button(D) CAC5441

61 Button(LD/CLK,P, ) CAC5542

62 Spring CBH2103

63 Spacer CNM5572

64 Sheet CNM5897

65 Cover CNS4775

66 Lighting Conductor CNV5195

67 Keyboard Unit CWM5801

68 LCD(LCD901) CAW1477

69 Connector(CN901) CKS3580

70 Holder CNC7479

71 Sheet CNM5726

72 Sheet CNM5727

73 Sheet CNM5728

74 Lighting Conductor CNV5196

75 Housing CNV5197

76 Connector CNV5205

77 Grille Unit See Contrast table(2)

78 Cassette Mechanism ModuleEXK3615

79 Transistor(Q951) 2SD2396

80 IC(IC301) See Contrast table(2)

81 LED(D903 — 905) NSPWF50SB

KEH-P424,P4700,P4750

2.3 CASSETTE MECHANISM MODULE

Part No.

Mark No. Symbol and Description KEH-P424/X1M/UC KEH-P4700/X1M/UC KEH-P4750/X1M/ES

⊗18 Tuner Amp Unit CWM5847 CWM5836 CWM5800

22 Cord Assy(CN603) CDE5178 Not used Not used

23 FM/AM Tuner Unit CWE1467 CWE1467 CWE1486

48 Panel Unit CXB2352 CXB2367 CXB2367

52 Detach Grille Assy CXB2446 CXB2442 CXB2308

77 Grille Unit CXB2491 CXB2490 CXB2492

80 IC(IC301) TDA7386 TDA7384 TDA7384

(2) CONTRAST TABLE

KEH-P424/X1M/UC, KEH-P4700/X1M/UC and KEH-P4750/X1M/ES are constructed the same except for

the following:

Fig. 3

KEH-P424,P4700,P4750

1 Screw BSZ20P040FMC

2 Washer CBF1037

3 Washer CBF1038

4 Washer CBG1003

5 Deck Unit EWM1010

6 Screw EBA1028

7 Screw EBA1037

8 Spring EBH1531

9 Spring EBH1575

10 Plug(CN251) CKS3540

11 Spring EBH1515

12 Spring EBH1587

13 Spring EBH1517

14 Spring EBH1518

15 Spring EBH1519

16 Spring EBH1537

17 Cord EDD1020

18 Photo-interrupter(EGN2,3) EGN1006

19 Photo-interrupter(EGN1) EGN1005

20 Roller ENR1031

21 Shaft ELA1373

22 Pinch Roller ENV1518

23 Arm ENC1489

24 Arm ENC1397

25 Guide ENC1481

26 Holder ENC1417

27 Lever ENC1448

28 Arm ENC1488

* 29 Motor EXM1031

30 Belt ENT1027

31 Gear ENV1347

32 Collar ENV1508

33 Gear ENV1350

34 Flywheel ENV1529

35 Worm Gear ENV1439

36 Worm Wheel ENV1440

37 Gear ENR1028

38 Lever ENV1442

39 Arm ENV1525

40 Gathering P.C.Board ENX1037

41 Gathering P.C.Board ENX1042

42 Switch(S1,S2) ESG1004

43 Motor Unit(M2) EXA1485

44 Chassis Unit EXA1511

45 Pinch Holder ENV1485

46 Pinch Holder ENV1486

47 Reel Unit EXA1543

48 Head Base Unit EXA1457

49 Lever Unit EXA1438

50 Gear Unit EXA1545

51 Frame Unit EXA1458

52 Lever Unit EXA1439

53 Head Assy(HD1) EXA1506

54 Motor Unit(M1) EXA1544

55 Washer HBF-179

56 Screw BMZ20P022FMC

57 Spring EBH1545

58 Washer YE20FUC

59 Pinch Holder Unit EXA1529

60 Pinch Holder Unit EXA1528

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

-CASSETTE MECHANISM MODULE SECTION PARTS LIST

KEH-P424,P4700,P4750

1234

3. SCHEMATIC DIAGRAM

3.1 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-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

DEF

KEH-P424,P4700,P4750

5678

A-b

Fig. 4

POWER AMP

KEH-P424,P4700,P4750

1234

A-a

A-a A-b

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