PIONEER KEH-P525, KEH-P5700, KEH-P5750 Service Manual

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.

CRT2170

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

vic

KEH-P525 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-P5700 X1M/UC

• KEH-P525/X1M/UC

CONTENTS

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

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

3. SCHEMATIC DIAGRAM ..........................................12

4. PCB CONNECTION DIAGRAM ...............................22

5. ELECTRICAL PARTS LIST .......................................32

6. ADJUSTMENT ........................................................39

7. GENERAL INFORMATION ......................................41

7.1 PARTS.................................................................41

7.1.1 IC...............................................................41

7.1.2 DISPLAY ...................................................45

7.2 DISASSEMBLY ..................................................46

7.3 BLOCK DIAGRAM..............................................47

8. OPERATIONS AND SPECIFICATIONS ...................48

KEH-P5750 X1M/ES

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

KEH-P525,P5700,P5750

30,31,32

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 not risk trying to do so and refer the repair to a qualified service technician.

ARNING

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-P525/X1M/UC

KEH-P525,P5700,P5750

NOTE:

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

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

1 Cord Assy CDE5496 2 Base Assy CEA2344

* 3 Sheet CZA3371

4 Polyethylene Bag CZE3188

* 5 Base CZN6466

* 6 Bracket Assy CEA2346

7 Screw Assy CZE3198 8 Screw(x2) BNC40P120FZK 9 Screw(x2) BPZ30P100FZK

* 10 Polyethylene Bag CEG-127

* 11 Polyethylene Bag CZE3201

12 Bracket CZN6467

* 13 Accessory Assy CEA2350

14 Spring CBH1650 15 Screw Assy CEA2351

16 Screw CBA1304

* 17 Polyethylene Bag CEG-127

18 Screw(x4) CRZ50P090FMC 19 Screw(x4) TRZ50P080FMC

* 20 Polyethylene Bag CEG-158

21 Handle(x2) CNC5395 22 Bush CNV3930 23 Polyethylene Bag CEG1173 24 Battery CEX1006 25 Carton CHG3468

26 Contain Box CHL3468 27 Protector CHP2021 28 Protector CHP2022

* 29 Inner Box CHW1548

30 Owner’s Manual CRD2581

31 Installation Manual CRD2582

* 32 Warranty Card CRY1070

33 Case Assy CXB1063 34 Remote Control Assy CXB1157

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

- PACKING SECTION PARTS LIST(KEH-P525/X1M/UC)

- Owner's Manual, Installation Manual

Model Part No. Language KEH-P525/X1M/UC CRD2581 English, French

CRD2582 English, French

KEH-P525,P5700,P5750

17,18,19

- KEH-P5700/X1M/UC,P5750/X1M/ES

Fig. 2

KEH-P525,P5700,P5750

Part No.

Mark No. Description KEH-P5700/X1M/UC KEH-P5750/X1M/ES

1 Cord Assy CDE5496 CDE5496

* 2 Accessory Assy CEA2350 CEA2350

3 Spring CBH1650 CBH1650 4 Screw Assy CEA2351 CEA2351 5 Screw CBA1304 CBA1304

* 6 Polyethylene Bag CEG-127 CEG-127

7 Screw(x4) CRZ50P090FMC CRZ50P090FMC 8 Screw(x4) TRZ50P080FMC TRZ50P080FMC

* 9 Polyethylene Bag CEG-158 CEG-158

10 Handle(x2) CNC5395 CNC5395

11 Bush CNV3930 CNV3930 12 Polyethylene Bag CEG1173 CEG-162 13 Carton CHG3467 CHG3466 14 Contain Box CHL3467 CHL3466 15 Protector CHP2021 CHP2021

16 Protector CHP2022 CHP2022 17 Owner’s Manual CRD2583 CRD2593 18 Installation Manual CRD2584 CRD2595

* 19 Card ARY1048 Not used

20 Owner’s Manual Not used CRD2594

21 Remote Control Unit CXB1146 CXB1146 22 Battery CEX1030 CEX1030 23 Case Assy CXB1063 CXB1063

- PACKING SECTION PARTS LIST(KEH-P5700/X1M/UC,P5750/X1M/ES)

- Owner's Manual, Installation Manual

KEH-P5700/X1M/UC CRD2583 English, French, Spanish

CRD2584 English, French, Spanish

KEH-P5750/X1M/ES CRD2593 English, Spanish

CRD2594 Portuguese, Arabic CRD2595 English, Spanish,

Portuguese, Arabic

KEH-P525,P5700,P5750

Fig. 3

2.2 EXTERIOR

KEH-P525,P5700,P5750

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 Unit CXB2678

11 Panel CNS4200 12 Cap CNV2680 13 Screw BMZ30P100FMC 14 Screw BSZ30P055FUC 15 Screw BSZ30P060FMC

16 Cord CDE5176 17 Holder CNC5704 18 Cushion CNM4870 19 Insulator CNM5571

⊗ 20 Tuner Amp Unit

See Contrast table(2)

21 Screw BPZ26P080FMC 22 Screw BSZ26P080FMC 23 Screw BSZ26P140FMC 24 Cord Assy(CN603)

See Contrast table(2)

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

26 Holder CNC6554 27 Pin Jack(CN301) CKB1028 28 Plug(CN951) CKM1270 29 Connector(CN751) CKS3408 30 Connector(CN602) CKS3568

31 Connector(CN601) CKS3581 32 Connector(CN302) CKS3598 33 Antenna Jack(CN402) CKX1056 34 Panel CNB2258 35 Holder CNC5399

36 Holder CNC6531 37 Holder CNC6674 38 Holder CNC6845 39 Heat Sink CNR1426 40 Chassis Unit CXB2347

41 Case Assy CXB1063 42 Remote Control Assy

See Contrast table(2)

43 Battery Cover See Contrast table(2) 44 Detach Grille Assy See Contrast table(2) 45 Screw BPZ20P100FZK

46 Button( ) CAC5430 47 Button( , ) CAC5432 48 Button(SOURCE) CAC5433 49 Button(+,–) CAC5435 50 Button(BAND,F,A) CAC5437

51 Button(1,2,3,4,5,6) CAC5439 52 Button(D) CAC5441 53 Button(LD/CLK,P, ) CAC5542 54 Spring CBH2103 55 Spacer CNM5572

56 Sheet CNM5897 57 Cover CNS4775 58 Lighting Conductor CNV5195 59 Keyboard Unit CWM5673 60 LCD(LCD901) CAW1477

61 Connector(CN901) CKS3580 62 Holder CNC7479 63 Sheet CNM5726 64 Sheet CNM5727 65 Sheet CNM5728

66 Lighting Conductor CNV5196 67 Housing CNV5197 68 Connector CNV5205 69 Grille Unit

See Contrast table(2)

70 Button CAC4836

71 Spring CBH1834 72 Spring CBH1835 73 Spring CBH1996 74 Bracket CNC6135 75 Bracket CNC6791

76 Arm CNV4692 77 Arm CNV4693 78 Arm CNV4728 79 Panel Unit

See Contrast table(2)

80 Door CAT1947

81 Spring CBH1838 82 Screw IMS20P030FZK 83

Cassette Mechanism ModuleEXK3615

84 Transistor(Q951) 2SD2396 85 IC(IC301)

See Contrast table(2)

86 LED(D903 — 905) NSPWF50SB 87 Remote Control Unit

See Contrast table(2)

88 Cover See Contrast table(2) 89 Cord See Contrast table(2)

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

KEH-P525,P5700,P5750

Part No.

Mark No. Description KEH-P525/X1M/UC KEH-P5700/X1M/UC KEH-P5750/X1M/ES

⊗ 20 Tuner Amp Unit CWM5671 CWM5835 CWM5835

24 Cord Assy(CN603) CDE5178 CDE5178 Not used 25 FM/AM Tuner Unit CWE1467 CWE1467 CWE1486 42 Remote Control Assy CXB1157 Not used Not used 43 Battery Cover CNS4406 Not used Not used

44 Detach Grille Assy CXB2306 CXB2445 CXB2441 69 Grille Unit CXB2487 CXB2486 CXB2488 79 Panel Unit CXB2352 CXB2367 CXB2367 85 IC(IC301) TDA7386 TDA7384 TDA7384 87 Remote Control Unit Not used CXB1146 CXB1146

88 Cover Not used CNS4139 CNS4139 89 Cord Assy(CN603) Not used Not used CDE5327

(2) CONTRAST TABLE

KEH-P525/X1M/UC, KEH-P5700/X1M/UC and KEH-P5750/X1M/ES are constructed the same except for

the following:

KEH-P525,P5700,P5750

Fig. 4

2.3 CASSETTE MECHANISM MODULE

KEH-P525,P5700,P5750

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-P525,P5700,P5750

234

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-a

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

KEH-P525,P5700,P5750

A-b

Fig. 5

POWER AMP

KEH-P525,P5700,P5750

234

A-a

A-b

KEH-P525,P5700,P5750

Fig. 6

A-a

A-b

KEH-P525,P5700,P5750

234

POWER AMP

A-a

A-b

KEH-P525,P5700,P5750

Fig. 7

A-b

A-a

A-b

+ 37 hidden pages