Pioneer MEH-P5000R User 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
Service
Manual
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

2
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.
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 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

3
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
13
5
3
8
1
6
11
7
12
10
9
4
2

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.
13
20
24 525
2219 3
21
23
8
1
6
27
11
7
12
10
14
17
26
15
16
9
4
2
18
4

5
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.
13
20
519
3
21
22
8
1
6
24
11
7
12
10
14
17
23
15
16
9
4
2
18

6
MEH-P5000R—,P5000,P5050
2.4 EXTERIOR(MEH-P5000R—/EW)

7
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.

8
MEH-P5000R—,P5000,P5050
2.5 EXTERIOR(MEH-P5000/UC)

9
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.

10
MEH-P5000R—,P5000,P5050
2.6 EXTERIOR(MEH-P5050/ES)

11
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.

12
MEH-P5000R—,P5000,P5050
2.7 MD MECHANISM MODULE(1)

13
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

14
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.

15
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

16
MEH-P5000R—,P5000,P5050
B
A
D
E
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)
FMECHANISM PCB

17
MEH-P5000R—,P5000,P5050
CKEYBOARD UNIT

18
MEH-P5000R—,P5000,P5050
B
A
D
E
TUNER AMP UNIT
FM/AM TUNER UNIT
MAIN PCB
OPTICAL PICKUP ASSY
SWITCH PCB
3.2 BLOCK DIAGRAM(MEH-P5000/UC, MEH-P5050/ES)
FMECHANISM PCB

19
MEH-P5000R—,P5000,P5050
CKEYBOARD UNIT

20
MEH-P5000R—,P5000,P5050
A
1234
B
C
D
1234
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-bA-b
A-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
%
%
CN801
CN751
CN201
CN302
A-a
A
A
B
E
D
C
TUNER AMP UNIT
FM/AM TUNER UNIT
MD MECHANISM MODULE
CN901
F