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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998 K-ZZD. OCT. 1998 Printed in Japan
ORDER NO.
CRT2287
MULTI-CD/MD CONTROL HIGH POWER MINIDISC PLAYER WITH RDS TUNER
MEH-P5000R EW
Service
Manual
NOTE:
-See the separate manual CX-893(CRT2291) for the MD mechanism circuit description and disassembly.
-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.
-US and foreign patents licensed from Dolby Laboratories Licensing Corporation.
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................3
3. SCHEMATIC DIAGRAM...........................................10
4. PCB CONNECTION DIAGRAM................................28
5. ELECTRICAL PARTS LIST........................................40
6. ADJUSTMENT.........................................................48
7. GENERAL INFORMATION.......................................73
7.1PARTS .................................................................73
7.1.1 IC...............................................................73
7.1.2 DISPLAY ...................................................84
7.2DIAGNOSIS ........................................................85
7.2.1 DISASSEMBLY.........................................85
7.3EXPLANATION ...................................................86
7.3.1 BLOCK DIAGRAM....................................86
8. OPERATIONS AND SPECIFICATIONS....................88
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TEL 13942296513 QQ 376315150 892498299
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2
MEH-P5000R
1. SAFETY INFORMATION
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.
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
Triangular Label
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TEL 13942296513 QQ 376315150 892498299
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3
MEH-P5000R
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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 Polyethylene Bag CEG1116
9 Carton CHG3540
10 Contain Box CHL3540
11 Protector CHP2098
12 Protector CHP2099
13 Owner’s Manual CRD2736
14 Owner’s Manual CRD2737
15 Owner’s Manual CRD2738
16 Installation Manual CRD2739
* 17 Label CRW1343
18 Passport CRY1013
* 19 Warranty Card CRY1087
20 Case Assy CXB1063
NOTE:
-Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
-Screws adjacent to Ñmark 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 CRD2736 English, Spanish
CRD2737 German, French
CRD2738 Italian, Dutch
CRD2739 English, Spanish, German,
French, Italian, Dutch
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TEL 13942296513 QQ 376315150 892498299
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5
MEH-P5000R
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 CWM6036
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 CXB2784
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 CXB2913
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 CXB2975
79 Case Unit CXB2918
80 IC(IC501) TDA7386
81 Transistor(Q201,952) 2SD2396
82 Chassis Unit CXB2971
83 LED(D903,904,907,908) NSPWF50SB
84 Screw ISS26P055FUC
-EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
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TEL 13942296513 QQ 376315150 892498299
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7
MEH-P5000R
1-100 •••••
101 Side Plate Assy, Right 1242000280
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 Spring, Holder Hold 1242580203
130-600 •••••
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 Assy 1246300043
612 Flat Cable, 8 Pin 1245120221
613 Main PCB Assy 1246840250
614 Switch PCB Assy 1246840145
-MD MECHANISM MODULE(1) PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
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TEL 13942296513 QQ 376315150 892498299
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8
MEH-P5000R
2.4 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 (511: spin motor) or (1: motor
spacer), mount it exactly as it was placed before
the exchange.
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TEL 13942296513 QQ 376315150 892498299
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1 Holder Shaft Plate 1242000279
2 Shaft Guide Holder 1242000064
3 Drive Screw Assy Unit 1242000116
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 1246170023
15 Mechanism PCB Assy 1246840251
16-500 •••••
501 Screw, 1.4X2MM 1249700138
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, 2.8X3.9X0.05MM1249900020
509 Balance Weight 1242480150
510 Sled Motor Assy 1246300014
511 Spin Motor Assy 1246300060
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MEH-P5000R
-MD MECHANISM MODULE(2) PARTS LIST
Mark No. Description Part No.
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TEL 13942296513 QQ 376315150 892498299
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10
MEH-P5000R
A
1234
B
C
D
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-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
ANTENNA JACK
RDS DECODER
FM(100%)
AM(30%)
: -17dBs
: -26dBs
M-CD(1kHz 0dB): +2dBs
MD(1kHz 0dB): +2dBs
B
C
D E F
A-a
A
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TEL 13942296513 QQ 376315150 892498299
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RESET
TUNER +B REGULATOR
VDD REGULATOR
DFS ALARM
5
1
6
2
4
3
5
1
6
2
4
3
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1
6
2
4
3
ELECTRONIC VOLUME,
SOURCE SELECT
RR+RR-
FR+
FL+
RL+
FR-
FL-
RL-
BACK UP
ILM SYSTEM
CONTROL
GND ACC
SYSTEM CONTROLLER
RR+
RR-
FR+
FL+
RL+
FR-
FL-
RL-
BACK UP
ILM
SYSTEM
CONTROL
GND
ACC
SYSTEM
CONTROL
CEK1136
DOOR SWITCH
MD:+36dBs
MD:+10dBs
MD:+10dBs
MD
M-CD
FM
AM
:+2dBs
:+2dBs
: -17dBs
: -26dBs
PEE(DFS):+10dBs
PEE(DFS):-11dBs
A
11
MEH-P5000R
5678
A
B
C
D
5678
A
A-b
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TEL 13942296513 QQ 376315150 892498299
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14
MEH-P5000R
A
1234
B
C
D
1234
RESET
TUNER +B REGULATOR
VDD REGULATOR
5
1
6
2
4
3
5
1
6
2
4
3
5
1
6
2
4
3
ELECTRONIC VOLUME,
SOURCE SELECT
RR+
RR-
FR+
FL+
RL+
FR-
FL-
RL-
BACK UP
CEK1136
DOOR SWITCH
MD:+36dBs
MD:+10dBs
MD:+10dBs
MD
M-CD
FM
AM
:+2dBs
:+2dBs
: -17dBs
: -26dBs
PEE(DFS):+10dBs
PEE(DFS):-11dBs
A
A-a A-b
A-b
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TEL 13942296513 QQ 376315150 892498299
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15
MEH-P5000R
5678
A
B
C
D
5678
VDD REGULATOR
DFS ALARM
RR+RR-
FR+
FL+
RL+
FR-
FL-
RL-
BACK UP
ILM SYSTEM
CONTROL
GND ACC
LER
BACK UP
ILM
SYSTEM
CONTROL
GND
ACC
SYSTEM
CONTROL
CEK1136
PEE(DFS):+10dBs
A-b
A-a A-b
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TEL 13942296513 QQ 376315150 892498299
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18
MEH-P5000R
A
1234
B
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D
1234
LCD BACKLIGHT
DUAL ILLUMINATION
SELECTOR
1
5
63
4
2
1
5
63
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2
1
5
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4
2
1
5
63
4
2
DSOURCE
PTY
TA
A
C
CN801
3.3 KEYBOARD UNIT
C
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TEL 13942296513 QQ 376315150 892498299
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20
MEH-P5000R
A
1234
B
C
D
1234
D
E
F
D-a
3.4 MD MECHANISM MODULE
A-a A-b
A-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
MAIN PCB
MECHANISM PCB
OPTICAL PICKUP ASSY
SWITCH PCB
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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