Pioneer CDX-P1250 Manuale utente

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-ZZY. FEB. 1999 Printed in Japan

ORDER NO.

CRT2318

MULTI-COMPACT DISC PLAYER

CDX-P1250 X1N/UC

Service

Manual

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST.......................4

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

4. PCB CONNECTION DIAGRAM ................................20

5. ELECTRICAL PARTS LIST ........................................26

6. ADJUSTMENT..........................................................29

7. GENERAL INFORMATION .......................................35

7.1 IC .........................................................................35

7.2 DIAGNOSIS ........................................................40

7.2.1 DISASSEMBLY .........................................40

7.2.2 TEST MODE..............................................42

7.3 BLOCK DIAGRAM ..............................................48

8. OPERATIONS AND SPECIFICATIONS.....................50

-See the separate manual CX-938(CRT2357) for the CD mechanism description, disassembly and circuit

description.

-The CD mechanism employed in this model is one of C8 series.

CDX-P1250/X1N/UC

CDX-P1250 X1N/EW

CDX-P1250 X1N/ES

CDX-P1250

-CD Player Service Precautions

1. For pickup unit(CXX1285) handling, please refer

to"Disassembly"(See page 40). During replacement,

handling precautions shall be taken to prevent an

electrostatic discharge(protection by a short pin).

2. During disassembly, be sure to turn the power off

since an internal IC might be destroyed when a con-

nector is plugged or unplugged.

3. Please checking the grating after changing the pickup

unit(see page 29) since these screws protects the

mechanism during transport, be sure to affix it when

it is transported for repair, etc.

Transport screw

Attach to the original position before transporting the set.

Seal

After removing the transport screw, cover the hole

with the supplied seal.

Transportation of multi-CD Player

A transport screw has been attached to the set in order to protect it

during transportation. After removing the transport screw, cover

the hole with the supplied seal. Be sure to remove the transport

screw before mounting the set. The removed transport screw

should be retained in the accessory bag for use the next time the

set is transported.

CDX-P1250

1. SAFETY INFORMATION

1.1 CDX-P1250/X1N/UC

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.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of

California to cause cancer, birth defects or other reproductive harm.

Health & Safety Code Section 25249.6 - Proposition 65

1.2 CDX-P1250/X1N/EW

1. Safety Precautions for those who Service this Unit.

• Follow the adjustment steps (see pages 29 through 34)in the service manual when servicing this unit. When check-

ing or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.

Caution:

1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.

2. During repair or tests, do not view laser beam for 10 seconds or longer.

2. A “CLASS 1 LASER PRODUCT” label is affixed to the

rear of the player. 3. The triangular label is attached to the mechanism

unit frame.

4. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service.

Wavelength = 800 nanometers

CDX-P1250

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

CDX-P1250

Part No.

Mark No. Description CDX-P1250/X1N/UC CDX-P1250/X1N/EW CDX-P1250/X1N/ES

1 Screw Assy CEA1962 CEA1962 CEA1962

2 Screw CBA1295 CBA1295 CBA1295

* 3 Polyethylene Sheet CNM5158 CNM5158 CNM5158

4 Screw HMB60P500FMC HMB60P500FMC HMB60P500FMC

5 Screw HMF40P080FZK HMF40P080FZK HMF40P080FZK

6 Nut NF60FMC NF60FMC NF60FMC

* 7 Polyethylene Bag CEG1099 CEG1099 CEG1099

8 Polyethylene Bag CEG1174 CEG1026 CEG1026

9 Carton CHG3717 CHG3718 CHG3719

10 Contain Box CHL3717 CHL3718 CHL3719

11 Protector CHP2136 CHP2136 CHP2136

12 Protector CHP2137 CHP2137 CHP2137

13 Seal CNM5599 CNM5741 CNM5741

14-1 Owner’s Manual CRD2895 CRD2896 CRD2898

14-2 Owner’s Manual Not used CRD2897 CRB1533

* 14-3 Warranty Card Not used CRY1087 Not used

* 14-4 Caution Card CRP1201 CRP1203 CRP1202

* 14-5 Caution Card CRP1205 CRP1205 CRP1205

15 Magazine Assy CXB4028 CXB4028 CXB4028

16 Angle Assy CXB3589 CXB3590 CXB3590

17 •••••

18 •••••

19 Cord CDE5831 CDE5830 CDE5831

* 20 Caution Card CRP1090 CRP1090 CRP1090

* 21 Caution Card CRP1196 CRP1196 CRP1196

- Owner’s Manual

Model Part No. Language

CDX-P1250/X1N/UC CRD2895 English, French

CDX-P1250/X1N/EW CRD2896 English, Italian, French

CRD2897 German, Dutch, Spanish

CDX-P1250/X1N/ES CRD2898 English, Spanish, Portuguese(B), Arabic

CRB1533 Chinese

-PACKING SECTION PARTS LIST

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.

CDX-P1250

2.2 EXTERIOR

CDX-P1250

1 Screw BMZ26P040FMC

2 Screw BMZ30P040FZK

3 Button CAC4632

4 Screw CBA1353

5 Spring CBH1862

6 Connector CDE5525

7 Connector CDE5783

8 Cord See Contrast table(2)

9 •••••

10 •••••

11 Upper Case See Contrast table(2)

12 Arm CNC8058

13 Insulator CNM6074

14 Panel CNS5218

15 Damper CNV5227

16 Power Unit CWX2300

17 Screw BMZ26P060FMC

18 Plug(CN901) CKS-460

19 Connector(CN921) CKS3407

20 Connector(CN911) CKS4072

21 Holder CNC8059

22 Holder CNC8060

23 Lower Case Unit See Contrast table(2)

24 Grille Unit See Contrast table(2)

25 Screw BPZ20P080FMC

26 Door See Contrast table(2)

27 Door See Contrast table(2)

28 Holder CNC8141

29 Lever See Contrast table(2)

30 Grille See Contrast table(2)

31 Screw HMF40P080FZK

32 Angle Assy See Contrast table(2)

33 CD Mechanism Module See Contrast table(2)

34 Screw IMS20P035FZK

35 Screw IMS26P040FMC

36 Sheet See Contrast table(2)

37 Transistor(Q910) 2SD2396

38 Seal See Contrast table(2)

39 Caution Card CRP1196

(1) EXTERIOR SECTION PARTS LIST

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

Part No.

Mark No. Symbol and Description CDX-P1250/X1N/UC CDX-P1250/X1N/EW CDX-P1250/X1N/ES

8 Cord CDE5831 CDE5830 CDE5831

11 Upper Case CNB2449 CNB2390 CNB2390

23 Lower Case Unit CXB3398 CXB3397 CXB3397

24 Grille Unit CXB4385 CXB4386 CXB4387

26 Door CAT2023 CAT2008 CAT2008

27 Door CAT2024 CAT2009 CAT2009

29 Lever CNS5393 CNS5357 CNS5357

30 Grille CNS5294 CNS5293 CNS5295

32 Angle Assy CXB3589 CXB3590 CXB3590

33 CD Mechanism Module CXK4900 CXK4905 CXK4900

36 Sheet CAH1683 CAH1681 CAH1681

38 Seal CNM5599 CNM5741 CNM5741

(2) CONTRAST TABLE

CDX-P1250/X1N/UC, CDX-P1250/X1N/EW and CDX-P1250/X1N/ES are constructed the same except for

the following:

CDX-P1250

2.3 CD MECHANISM MODULE

CDX-P1250

1 Connector CDE6069

2 CD Core Unit(C8) See Contrast table(2)

3 Connector(CN701) CKS1953

4 Connector(CN101) CKS2272

5 Screw BMZ20P025FMC

6 Screw CBA1037

7 Screw CBA1041

8 Screw CBA1176

9 Screw CBA1362

10 Screw CBA1387

11 Screw CBA1470

12 Screw CBA1476

13 Screw CBA1486

14 Washer CBF1038

15 Spring CBH1867

16 Spring CBH2172

17 Spring CBH2173

18 Spring CBH2174

19 Spring CBH2175

20 Spring CBH2177

21 Spring CBH2178

22 Spring CBH2179

23 Spring CBL1390

24 Spring CBL1392

25 Spring CBL1404

26 Short Pin CBL1239

27 Volume(VR801) CCW1024

28 •••••

29 Shaft CLA3304

30 Arm CNC7901

31 Lever CNC7905

32 Lever CNC7906

33 Arm CNC7908

34 Arm CNC7909

35 Holder CNC7911

36 Holder CNC7912

37 Lever CNC7919

38 Stopper CNC7920

39 Frame CNC7921

40 Lever CNC7922

41 Bracket CNC7923

42 Lever CNC7924

43 Frame CNC7927

44 Frame CNC7928

45 Bracket CNC8355

46 Plate CNC8375

47 Cover CNC8434

48 Sheet CNM6009

49 Spacer CNM6146

50 Sheet CNM6296

51 PCB CNP5227

52 PCB CNP5228

53 Ball CNR1189

54 Gear CNR1531

55 Belt CNT1086

56 Gear CNV5472

57 Gear CNV5473

58 Rail CNV5474

59 Lever CNV5475

60 Gear CNV5477

61 Arm CNV5478

62 Holder CNV5480

63 Guide CNV5481

64 Guide CNV5482

65 Holder CNV5483

66 Holder CNV5484

67 Clamper CNV5485

68 Gear CNV5486

69 Gear CNV5562

70 Holder CNV5563

71 Stopper CNV5564

72 Lighting Conductor CNV5785

73 Mechanism PCB CWX2303

74 Connector(CN801) CKS1965

75 Connector(CN802) CKS3486

76 Damper Unit CXA7159

77 Chassis Unit CXB2850

78 •••••

79 Chassis Unit CXB2851

80 Arm Unit CXB2855

81 Screw Unit CXB2857

82 •••••

83 Frame Unit CXB4427

84 Magazine Holder Unit CXB2859

85 Motor Unit(M851)(SPINDLE) CXB3003

86 Motor Unit(M854)(CARRIAGE) CXB3004

87 Screw JFZ20P025FMC

88 Motor Unit(M853)(TRAY) CXB4421

89 Screw JFZ20P025FMC

90 Motor Unit(M852)(ELV) CXB3006

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

(1)CD MECHANISM MODULE SECTION PARTS LIST

CDX-P1250

91 Screw JFZ20P025FMC

92 Lever Unit CXB3938

93 •••••

94 Gear Unit CXB4338

95 Screw JGZ17P025FZK

96 Pickup Unit(Service) CXX1285

97 •••••

98 •••••

99 Screw IMS26P040FMC

100 Screw JFZ20P025FNI

101 Photo-transistor(Q851) PT4800

102 Spring Switch(S851,S853) CSN1051

103 LED(D851) CN504-2

104 Spring Switch(S852) CSN1052

Mark No. Description Part No.

(2) CONTRAST TABLE

CDX-P1250/X1N/UC, CDX-P1250/X1N/EW and CDX-P1250/X1N/ES are constructed the same except for

the following:

Part No.

Mark No. Symbol and Description CDX-P1250/X1N/UC CDX-P1250/X1N/EW CDX-P1250/X1N/ES

2 CD Core Unit(C8) CWX2262 CWX2263 CWX2262

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