Pioneer MEHP-5000, MEHP-5000-R Mk2, MEHP-5050 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. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER ELECTRONIC CORPORATION 1999

K-ZZD MAR. 1999 Printed in Japan

ORDER NO.

CRT2377

MULTI-CD/MD CONTROL HIGH POWER MINIDISC PLAYER WITH RDS TUNER

MEH-P5000R— EW

MULTI-CD CONTROL HIGH POWER MINIDISC PLAYER FM/AM TUNER

MEH-P5000 UC MEH-P5050 ES

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST.......................3

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...16

4. PCB CONNECTION DIAGRAM ................................56

5. ELECTRICAL PARTS LIST ........................................68

6. ADJUSTMENT..........................................................86

7. GENERAL INFORMATION .......................................90

7.1 DIAGNOSIS ........................................................90

7.1.1 TEST MODE..............................................90

7.1.2 DISASSEMBLY .......................................113

7.2 PARTS ...............................................................115

7.2.1 IC..............................................................115

7.2.2 DISPLAY..................................................126

8. OPERATIONS AND SPECIFICATIONS...................128

NOTE:

- US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

MEH-P5000R—/UC

MEH-P5000R—,P5000,P5050

1. SAFETY INFORMATION

1.1 MEH-P5000/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.

ARNING

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 MEH-P5000R—/EW

1. Safety Precautions for those who Service this Unit.

• When checking 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 bottom of the player.

3. The triangular label is attached to the mechanism module frame.

4. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service. Wavelength = 780 nanometers

CLASS 1 LASER PRODUCT

MEH-P5000R—,P5000,P5050

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING(MEH-P5000R—/EW)

1 Cord Assy CDE5722 2 Accessory Assy CEA1917 3 Screw CBA1284 4 Handle CNC5395 5 Bush CNV1009

* 6 Polyethylene Bag E36-615

7 Polyethylene Bag CEG-162 8 Case Assy CXB3520 9 Carton CHG3812

10 Contain Box CHL3812

11 Protector CHP2098

12 Protector CHP2099 13-1 Polyethylene Bag CEG1116 13-2 Owner’s Manual CRD3033 13-4 Owner’s Manual CRD3034

13-5 Owner’s Manual CRD3035 13-6 Installation Manual CRD3036

* 13-7 Label CRW1343

13-8 Passport CRY1013

* 13-9 Warranty Card CRY1087

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

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

- Owner's Manual, Installation Manual

Model Part No. Language MEH-P5000R—/EW CRD3033 English, Spanish

CRD3034 German, French CRD3035 Italian, Dutch CRD3036 English, Spanish, German,

French, Italian, Dutch

MEH-P5000R—,P5000,P5050

2.2 PACKING(MEH-P5000/UC)

1 Cord Assy CDE5723 2 Accessory Assy CEA1918 3 Screw CBA1284 4 Handle CNC5395 5 Bush CNV1009

* 6 Polyethylene Bag CEG-158

7 Polyethylene Bag CEG1173 8 Case Assy CXB3520 9 Carton CHG3817

10 Contain Box CHL3817

11 Protector CHP2098 12 Protector CHP2099

* 13-1 Card ARY1048

13-2 Polyethylene Bag CEG1116 13-3 Owner’s Manual CRD2945

(English, French)

13-4 Installation Manual CRD2946

(English, French) * 13-5 Label CRW1343 * 13-6 Caution Card CRP1206

14 Base Assy CEA2426 * 15 Base CNS5031 * 16 Sheet CZA3371

17 Polyethylene Bag CZE3188

18 Screw Assy CEA1924

19 Screw CBA-102 * 20 Polyethylene Sheet CNM4338

21 Screw CRZ50P090FMC

22 Nut NF50FMC

23 Screw TRZ50P080FMC

24 Strap CNF-111

25 Spring CBH-865

26 Battery CEX1006

27 Remote Control Assy CXB3875

- PACKING SECTION PARTS LIST

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

MEH-P5000R—,P5000,P5050

2.3 PACKING(MEH-P5050/ES)

1 Cord Assy CDE5723 2 Accessory Assy CEA2002 3 Screw CBA1284 4 Handle CNC5395 5 Bush CNV1009

* 6 Polyethylene Bag CEG-158

7 Polyethylene Bag CEG-162 8 Case Assy CXB3520 9 Carton CHG3818

10 Contain Box CHL3818

11 Protector CHP2098

12 Protector CHP2099 13-1 Polyethylene Bag CEG1116 13-2 Owner’s Manual CRD2740

(English, Spanish)

13-2 Owner’s Manual CRD2741

(Portuguese(B), Arabic)

13-4 Installation Manual CRD2742

(English, Spanish, Portuguese(B), Arabic)

* 13-5 Caution Card CRP1206

14 Base Assy CEA2426 * 15 Base CNS5031 * 16 Sheet CZA3371

17 Polyethylene Bag CZE3188

18 Screw Assy CEA2003

19 Spring CBH-865 * 20 Polyethylene Bag CEG-127

21 Screw CRZ50P090FMC

22 Screw TRZ50P080FMC

23 Battery CEX1006

24 Remote Control Assy CXB3875

- PACKING SECTION PARTS LIST

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

MEH-P5000R—,P5000,P5050

2.4 EXTERIOR(MEH-P5000R—/EW)

MEH-P5000R—,P5000,P5050

1 Screw BSZ26P050FMC 2 Screw BSZ30P060FMC 3 Screw BSZ30P200FMC 4 Connector CDE5718 5 Cord Assy CDE5722

6 Fuse(10A) CEK1136 7 Terminal Cover CKX-003 8 Cord Assy CDE5804 9 Holder CNC5704

10 Holder CNC6798

11 Cushion CNM4870 12 Insulator CNM5752 13 Insulator CNM5921 14 Cushion CNM5925 15 Panel CNS5097

16 Tuner Amp Unit CWM6570 17 Screw BPZ26P080FMC 18 Screw BSZ26P100FMC 19 Screw BSZ26P160FMC 20 Clamper CEF1005

21 Pin Jack(CN452) CKB1028 22 Terminal(CN303) CKF1059 23 Terminal(CN351) CKF1059 24 Plug(CN501) CKM1231

* 25 Connector(CN201) CKS2221

26 Connector(CN751) CKS3408 27 Connector(CN801) CKS3581 28 Connector(CN451) CKS3599 29 Antenna Jack(CN302) CKX1056 30 Holder CNC4569

31 Holder CNC6361 32 Heat Sink CNC7369 33 Holder CNC7370 34 Holder CNC7968 35 Holder CNC8021

36 Insulator CNM4684 37 Heat Sink CNR1419 38 FM/AM Tuner Unit CWE1416 39 Holder CNC6555 40 MD Mechanism Module CXB3584

41 Button CAC5180 42 Door CAT1983 43 Spring CBH1834 44 Spring CBH1835 45 Spring CBH1996

46 Spring CBH2191

47 Bracket CNC6135

48 Bracket CNC6791

49 Panel CNS5096

50 Arm CNV4692

51 Arm CNV4693

52 Arm CNV4951

53 Screw IMS20P030FZK

54 Detach Grille Assy CXB4293

55 Screw BPZ20P080FMC

56 Screw BPZ20P080FZK

57 Button(EJECT) CAC5768

58 Button(SOURCE) CAC5769

59 Button(BAND) CAC5770

60 Button(1-6) CAC5771

61 Button CAC5772

62 Button(D.RESET) CAC5773

63 Button(EQ) CAC5774

64 Spring CBH2190

65 Cover CNS5094

66 Lighting Conductor CNV5505

67 Lighting Conductor CNV5506

68 Holder CNV5511

69 Keyboard Unit CWM6041

70 LCD CAW1490

71 Connector(CN901) CKS3580

72 Holder CNC7969

73 Sheet CNM5923

74 Sheet CNM5924

75 Connector CNV5504

76 Lighting Conductor CNV5507

77 Housing CNV5508

78 Grille Unit CXB4294

79 Case Unit CXB4190

80 IC(IC501) PAL005A

81 Transistor(Q201,952) 2SD2396

82 Chassis Unit CXB2971

83 LED(D903,904,907,908) NSPWF50BS-8452

84 Screw ISS26P055FUC

85 Case Assy CXB3520

- EXTERIOR SECTION PARTS LIST

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

MEH-P5000R—,P5000,P5050

2.5 EXTERIOR(MEH-P5000/UC)

MEH-P5000R—,P5000,P5050

1 Screw BSZ26P050FMC 2 Screw BSZ30P060FMC 3 Screw BSZ30P200FMC 4 Connector CDE5718 5 Cord Assy CDE5723

6 Fuse(10A) CEK1136 7 Terminal Cover CKX-003 8 Cord Assy CDE5804 9 •••••

10 Holder CNC6798

11 ••••• 12 Insulator CNM5752 13 Insulator CNM5921 14 Cushion CNM5925 15 Panel CNS5097

16 Tuner Amp Unit CWM6066 17 Screw BPZ26P080FMC 18 Screw BSZ26P100FMC 19 Screw BSZ26P160FMC 20 Clamper CEF1005

21 Pin Jack(CN452) CKB1028 22 Terminal(CN303) CKF1059 23 Terminal(CN351) CKF1059 24 Plug(CN501) CKM1231

* 25 Connector(CN201) CKS2221

26 Connector(CN751) CKS3408 27 Connector(CN801) CKS3581 28 Connector(CN451) CKS3599 29 Antenna Jack(CN302) CKX1056 30 Holder CNC4569

31 Holder CNC6361 32 Heat Sink CNC7369 33 Holder CNC7370 34 Holder CNC7968 35 •••••

36 ••••• 37 Heat Sink CNR1419 38 FM/AM Tuner Unit CWE1417 39 Holder CNC6555 40 MD Mechanism Module CXB3584

41 Button CAC5180 42 Door CAT1984 43 Spring CBH1834 44 Spring CBH1835 45 Spring CBH1996

46 Spring CBH2191 47 Bracket CNC6135 48 Bracket CNC6791 49 Panel CNS5096 50 Arm CNV4692

51 Arm CNV4693 52 Arm CNV4951 53 Screw IMS20P030FZK 54 Detach Grille Assy CXB3046 55 Screw BPZ20P080FMC

56 Screw BPZ20P080FZK 57 Button(EJECT) CAC5768 58 Button(SOURCE) CAC5769 59 Button(BAND) CAC5770 60 Button(1-6) CAC5775

61 Button CAC5772 62 Button(D.RESET) CAC5773 63 Button(EQ) CAC5774 64 Spring CBH2190 65 Cover CNS5094

66 Lighting Conductor CNV5505 67 Lighting Conductor CNV5506 68 Holder CNV5511 69 Keyboard Unit CWM6067 70 LCD CAW1491

71 Connector(CN901) CKS3580 72 Holder CNC7969 73 Sheet CNM5923 74 Sheet CNM5924 75 Connector CNV5504

76 Lighting Conductor CNV5507 77 Housing CNV5508 78 Grille Unit CXB2982 79 Case Unit CXB4190 80 IC(IC501) PAL005A

81 Transistor(Q201,952) 2SD2396 82 Chassis Unit CXB2973 83 LED(D903,904,907,908) NSPWF50BS-8452 84 Screw ISS26P055FUC 85 Remote Control Assy CXB3875

86 Battery Cover CNS5032

- EXTERIOR SECTION PARTS LIST

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

MEH-P5000R—,P5000,P5050

2.6 EXTERIOR(MEH-P5050/ES)

MEH-P5000R—,P5000,P5050

1 Screw BSZ26P050FMC 2 Screw BSZ30P060FMC 3 Screw BSZ30P200FMC 4 Connector CDE5718 5 Cord Assy CDE5723

6 Fuse(10A) CEK1136 7 Terminal Cover CKX-003 8 Cord Assy CDE5804 9 Holder CNC5704

10 Holder CNC6798

11 Cushion CNM4870 12 Insulator CNM5752 13 Insulator CNM5921 14 Cushion CNM5925 15 Panel CNS5097

16 Tuner Amp Unit CWM6038 17 Screw BPZ26P080FMC 18 Screw BSZ26P100FMC 19 Screw BSZ26P160FMC 20 Clamper CEF1005

21 Pin Jack(CN452) CKB1028 22 Terminal(CN303) CKF1059 23 Terminal(CN351) CKF1059 24 Plug(CN501) CKM1231

* 25 Connector(CN201) CKS2221

26 Connector(CN751) CKS3408 27 Connector(CN801) CKS3581 28 Connector(CN451) CKS3599 29 Antenna Jack(CN302) CKX1056 30 Holder CNC4569

31 Holder CNC6361 32 Heat Sink CNC7369 33 Holder CNC7370 34 Holder CNC7968 35 •••••

36 ••••• 37 Heat Sink CNR1419 38 FM/AM Tuner Unit CWE1485 39 Holder CNC6555 40 MD Mechanism Module CXB3584

41 Button CAC5180 42 Door CAT1984 43 Spring CBH1834 44 Spring CBH1835 45 Spring CBH1996

46 Spring CBH2191

47 Bracket CNC6135

48 Bracket CNC6791

49 Panel CNS5096

50 Arm CNV4692

51 Arm CNV4693

52 Arm CNV4951

53 Screw IMS20P030FZK

54 Detach Grille Assy CXB2916

55 Screw BPZ20P080FMC

56 Screw BPZ20P080FZK

57 Button(EJECT) CAC5768

58 Button(SOURCE) CAC5769

59 Button(BAND) CAC5770

60 Button(1-6) CAC5775

61 Button CAC5772

62 Button(D.RESET) CAC5773

63 Button(EQ) CAC5774

64 Spring CBH2190

65 Cover CNS5094

66 Lighting Conductor CNV5505

67 Lighting Conductor CNV5506

68 Holder CNV5511

69 Keyboard Unit CWM6042

70 LCD CAW1491

71 Connector(CN901) CKS3580

72 Holder CNC7969

73 Sheet CNM5923

74 Sheet CNM5924

75 Connector CNV5504

76 Lighting Conductor CNV5507

77 Housing CNV5508

78 Grille Unit CXB2977

79 Case Unit CXB4190

80 IC(IC501) PAL005A

81 Transistor(Q201,952) 2SD2396

82 Chassis Unit CXB2973

83 LED(D903,904,907,908) NSPWF50BS-8452

84 Screw ISS26P055FUC

85 Remote Control Assy CXB3875

86 Battery Cover CNS5032

- EXTERIOR SECTION PARTS LIST

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

MEH-P5000R—,P5000,P5050

2.7 MD MECHANISM MODULE(1)

MEH-P5000R—,P5000,P5050

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

1-100 •••••

101 Side Plate Assy, Left 1242000186 102 Side Bracket 1242000188 103 Loading Motor Bracket 1242000189 104 Front Guide 1242000190

105 Loading Chassis Assy 1242070066 106 Disc Holder Assy 1242140176 107 Disc Holder Arm 1242400018 108 Mode Gear 1242410003 109 FLT Lock Arm 1242480151

110 FLT Lock Plate 1242480112 111 Clamper Arm 1242480114 112 Loading Plate 1242480105 113 Mode Plate 1242480107 114 Catch Block 1242480108

115 Lift Arm 1242500001 116 Spring, Damper 1242580146 117 Spring, FLT Lock 1242580147 118 Spring, Disk Holder 1242580148 119 Spring, Clamper Arm 1242580149

120 Spring, Lift Arm 1242580150 121 Gear, Worm Wheel 1242810060 122 Gear, Pinion 1242810061 123 Roller, Clamper Arm 1242870012 124 Shaft, Worm Wheel 1242900093

125 Oil Damper 1243300001 126 Spring, FLT Lock Arm 1242580204 127 Spring, Slider 1242580201 128 Spring, Mode Plate 1242580202

129-600 •••••

601 Screw,1.7X1.6MM 1249700045 602 Screw,1.7X2.5MM 1249700040 603 Screw,2.0X3.0MM 1249700133 604 Screw,2.0X3.5MM 1249700134 605 Screw,2.0X2.2MM 1249700135

606 Washer,1.2X3X0.2MM 1249900021 607 Screw,2.0X4.0MM 1249700140 608 Washer YE15FUC 609 Screw,2.0X2.5MM 1249700158 610 Ball CNR1189

611 Loading Motor(M651) 1246300043 612 Flat Cable, 8 Pin 1245120221 613 Main PCB 1246840289 614 Switch PCB 1246840145 615 Connector(CN301) CKS2417

616 Connector(CN651) CKS1946 617 Connector(CN652) CKS2407 618 Socket(CN101) 1245100201 619 Socket(CN601) 1245100039

- MD MECHANISM MODULE(1) SECTION PARTS LIST

MEH-P5000R—,P5000,P5050

2.8 MD MECHANISM MODULE(2)

*One or two washers may be added to the parts for fine

tuning of accuracy. When you exchange the parts such as (509 : spin motor) or (508: motor spacer), mount it exactly as it was placed before the exchange.

MEH-P5000R—,P5000,P5050

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

1 Holder Shaft Plate 1242000279 2 Shaft Guide Holder 1242000064 3 Drive Screw Assy Unit 1242000346 4 Main Chassis Assy 1242070065 5 Shaft Catch Spring 1242580007

6 Clip Spring 1242580067 7 Grip Rack 1242810021 8 Pickup Slide Shaft 1242900127 9 Slide Shaft(S) 1242900011

10 Mechanism Cushion 1243260122

11 Spring Cushion 1243260031 12 Spacer(C) 1244130006 13 Mechanism Flexible PCB 1245210120 14 Optical Pickup Assy 1246170028 15 Spring B 1242580050

16-500 •••••

501 Screw,1.4X2MM 1249700203 502 Screw,1.4X2.5MM 1249700007 503 Screw,1.4X2.2MM 1249700011 504 Screw,1.7X4.3MM 1249700055

505 Screw,1.4X4.5MM 1249700033 506 Screw,1.4X2.2MM 1309701315 507 Washer,1.4X0.5MM 1309900937 508 Washer,2.8X3.9X0.05MM 1249900020 509 Spin Motor(M902) 1246300069

510 Slide Motor(M901) 1246300073 511 Mechanism PCB 1246840251 512 Connector(CN901) 1425100236

- MD MECHANISM MODULE(2) SECTION PARTS LIST

MEH-P5000R—,P5000,P5050

TUNER AMP UNIT

FM/AM TUNER UNIT

MAIN PCB

OPTICAL PICKUP ASSY

SWITCH PCB

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM(MEH-P5000R—/EW)

MECHANISM PCB

MEH-P5000R—,P5000,P5050

KEYBOARD UNIT

MEH-P5000R—,P5000,P5050

TUNER AMP UNIT

FM/AM TUNER UNIT

MAIN PCB

OPTICAL PICKUP ASSY

SWITCH PCB

3.2 BLOCK DIAGRAM(MEH-P5000/UC, MEH-P5050/ES)

MECHANISM PCB

MEH-P5000R—,P5000,P5050

KEYBOARD UNIT

MEH-P5000R—,P5000,P5050

234

3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(MEH-P5000R—/EW)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-aA-a A-b A-b

A-aA-a

A-b A-b

A-a A-a

Large size

SCH diagram

Guide page

Detailed page

CN801

CN751

CN201

CN302

A-a

TUNER AMP UNIT

FM/AM TUNER UNIT

MD MECHANISM

MODULE

CN901

MEH-P5000R—,P5000,P5050

DFS ALARM

RR+RR-

FR+

FL+

RL+

FR-

FL-

RL-

BACK UP

ILM

B REMOTE

GND ACC

RR+

RR-

FR+

FL+

RL+

FR-

FL-

RL-

BACK UP

ILM

B REMOTE

GND

ACC

B REMOTE

CEK1136

CN501

CN451

CN452

A-b

MEH-P5000R—,P5000,P5050

CN751

CN302

234

A-a

A-b

TUNER AMP UNIT

FM/AM TUNER UNIT

MEH-P5000R—,P5000,P5050

CN801

CN201

A-a

A-b

MD MECHANISM

MODULE

CN901

MEH-P5000R—,P5000,P5050

234

RR+

RR-

FR+

FL+

RL+

FR-

FL-

RL-

BACK UP

CEK1136

CN501

CN451

CN452

A-a

A-b

MEH-P5000R—,P5000,P5050

DFS ALARM

RR+RR-

FR+

FL+

RL+

FR-

FL-

RL-

BACK UP

ILM

REMOTE

GND ACC

BACK UP

ILM

B REMOTE

GND

ACC

B REMOTE

CEK1136

A-b

A-a

A-b

MEH-P5000R—,P5000,P5050

CN801

CN751

CN201

1R6K

MA151WK

4R7K

0R0

1R8K

4R7K

1R5K

R047 R047

CN302

234

3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(MEH-P5000/UC)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-aA-a A-b A-b

A-aA-a

A-b A-b

A-a A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

TUNER AMP UNIT

FM/AM TUNER UNIT

MD MECHANISM

MODULE

CN901

MEH-P5000R—,P5000,P5050

DFS ALARM

CN501

CN451

CN452

A-b

MEH-P5000R—,P5000,P5050

CN751

1R6K

4R7K

0R0

1R8K

4R7K

1R5K

R047 R047

CN302

234

A-a

A-b

TUNER AMP UNIT

FM/AM TUNER UNIT

MEH-P5000R—,P5000,P5050

CN801

CN201

MA151WK

A-a

A-b

CN901

MD MECHANISM

MODULE

MEH-P5000R—,P5000,P5050

CN501

CN451

CN452

234

A-a

A-b

+ 111 hidden pages