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Service DEH-P646
Manual ORDER NO.
CRT2149
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P646 ES
DEH-546 ES
- See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S7 series.
CONTENTS
1. SAFETY INFORMATION ............................................2 7. GENERAL INFORMATION .......................................56
2. EXPLODED VIEWS AND PARTS LIST .......................3 7.1 PARTS .................................................................56
3. SCHEMATIC DIAGRAM ...........................................10 7.1.1 IC................................................................56
4. PCB CONNECTION DIAGRAM ................................30 7.1.2 DISPLAY ....................................................62
5. ELECTRICAL PARTS LIST ........................................40 7.2 DIAGNOSIS ........................................................63
6. ADJUSTMENT..........................................................50 7.2.1 DISASSEMBLY .........................................63
7.2.2 TEST MODE ..............................................64
7.3 BLOCK DIAGRAM ..............................................66
8. OPERATIONS AND SPECIFICATIONS.....................68
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, Lane Wheelock Place, Singapore 23880
C PIONEER ELECTRONIC CORPORATION 1998 K-FEA. FEB. 1998 Printed in Japan
DEH-P646,546
- CD Player Service Precautions
1. For pickup unit(CXX1230) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(CX-597 Service Manual CRT1829). since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a short pin). vice pickup unit(see page 54).
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.
2
DEH-P646,546
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
5
4
11
1
8
10
7 3
2
9
6
Fig. 1
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.
1 Cord Assy(DEH-P646/ES) CDE5483 8 Protector CHP1767
Cord Assy(DEH-546/ES) CDE5484 9-1 Polyethylene Bag CEG1116
2 Accessory Assy CEA2002 9-2 Owner's Manual(DEH-P646/ES)CRD2561
3 Polyethylene Bag CEG-162 Owner's Manual(DEH-546/ES) CRD2714
4 Battery CEX1030 9-3 Owner's Manual(DEH-P646/ES)CRD2562
5 Carton(DEH-P646/ES) CHG3437 9-4 Installation Manual
Carton(DEH-546/ES) CHG3446 (DEH-P646/ES) CRD2563
6 Contain Box(DEH-P646/ES) CHL3437 Installation Manual
Contain Box(DEH-546/ES) CHL3446 (DEH-546/ES) CRD2579
7 Protector CHP1766 9-5 Caution Card CRP1182
10 Case Assy CXB1063
11 Remote Control Unit CXB1225
3
DEH-P646,546
- Owner's Manual
Model Part No. Language
DEH-P646/ES CRD2561 English, Spanish
CRD2562 Portuguese, Arabic
DEH-546/ES CRD2714 English, Spanish, Portuguese, Arabic
- Installation Manual
Model Part No. Language
DEH-P646/ES CRD2563 English, Spanish, Portuguese, Arabic
DEH-546/ES CRD2579 English, Spanish, Portuguese, Arabic
- Accessory Assy
Accessory Assy CEA2002
Screw Assy CEA2003
Screw Screw Screw
CBA1284 CRZ50P090FMC(x4) TRZ50P080FMC(x4)
Polyethylene Bag
Bush Handle Spring * CEG-127
CNV1009 CNC5395(x2) CBH-865
Polyethylene Bag
* CEG-158 Fig. 2
4
DEH-P646,546
2.2 EXTERIOR
Fig. 3
5
DEH-P646,546
- EXTERIOR SECTION PARTS LIST
(1) PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw ASZ26P055FUC 46 Insulator CNM4684
2 Screw ASZ26P080FMC 47 Heat Sink CNR1458
3 Screw BSZ26P050FMC 48 FM/AM Tuner Unit CWE1485
4 Screw BSZ30P060FMC 49 Holder CNC6555
5 Screw BSZ30P180FMC 50 Case Assy CXB1063
6 Cord Assy See Contrast table(2) 51 Remote Control Unit CXB1225
7 Cord Assy See Contrast table(2) 52 Cover CNS4139
8 Cord Assy See Contrast table(2) 53 Chassis Unit See Contrast table(2)
9 Fuse CEK1136 54 Detach Grille Assy See Contrast table(2)
10 Cap CNS1472 55 Screw BPZ20P100FZK
11 Resistor RS1/2PMF102J 56 Button CAC5397
12 Cable CDE5635 57 Button CAC5398
13 Insulator CNM5761 58 Button CAC5399
14 Spring CBH-865 59 Button CAC5402
15 Screw CBA1284 60 Button CAC5403
16 Handle CNC5395 61 Button CAC5404
17 Bush CNV1009 62 Button CAC5405
18 Case CNB2119 63 Button CAC5430
19 Holder CNC4963 64 Button CAC5450
20 Holder CNC6798 65 Button CAC5451
21 Holder CNC6862 66 Spring CBH2103
22 Earth Terminal CNC7358 67 Cover CNM4704
23 Spacer CNM4913 68 Lighting Conductor CNV5180
24 Insulator CNM5535 69 Lighting Conductor CNV5181
25 Panel CNS4200 70 Keyboard Unit See Contrast table(2)
26 Cap See Contrast table(2) 71 LCD See Contrast table(2)
27 Tuner Amp Unit See Contrast table(2) 72 Cord CDE5665
28 Screw BPZ26P080FMC 73 EL CEL1536
29 Screw BSZ26P140FMC 74 Connector(CN1801) CKS3580
30 Antenna Cord CDH1234 75 Holder CNC7435
31 Clamper CEF1009 76 Film CNM4349
32 Pin Jack(CN253) CKB1028 77 Spacer CNM5449
33 Terminal(CN501) CKF1059 78 Connector CNV5182
34 Plug(CN901) CKM1278 79 Housing CNV5183
35 Plug(CN802) CKS-783 80 Grille Unit See Contrast table(2)
36 Connector(CN651) CKS2228 81 Cover Unit CXB2480
37 Connector(CN101) See Contrast table(2) 82 Screw BPZ20P060FMC
38 Connector(CN801) CKS3581 83 Button CAC5180
39 Connector(CN851) See Contrast table(2) 84 Spring CBH1834
40 Connector(CN254) See Contrast table(2) 85 Spring CBH1835
41 Holder CNC5968 86 Spring CBH1996
42 Holder CNC6132 87 Bracket CNC6135
43 Holder CNC6356 88 Bracket CNC6791
44 Holder CNC7429 89 Arm CNV4692
45 Holder See Contrast table(2) 90 Arm CNV4693
6
DEH-P646,546
Mark No. Description Part No.
91 Arm CNV4951
92 Cover CNM4875
93 Panel See Contrast table(2)
94 Screw IMS20P030FZK
95 CD Mechanism Module CXK5004
96 IC(IC201) TDA7386
97 Transistor(Q951, 971) 2SD2396
98 Spacer CNM5875
99 Clamper See Contrast table(2)
(2) CONTRAST TABLE
DEH-P646/ES and DEH-546/ES are constructed same except for the following:
Part No.
Mark No. Symbol and Description DEH-P646/ES DEH-546/ES
6 Cord Assy CDE5185 Not used
7 Cord Assy CDE5209 Not used
8 Cord Assy CDE5483 CDE5484
26 Cap CNV2680 Not used
27 Tuner Amp Unit CWM5622 CWM5630
37 Connector(CN101) CKS3408 Not used
39 Connector(CN851) CKS3597 Not used
40 Connector(CN254) CKS3598 Not used
45 Holder CNC7430 CNC7434
53 Chassis Unit CXB1984 CXB1989
54 Detach Grille Assy CXB1996 CXB2006
70 Keyboard Unit CWM5636 CWM5640
71 LCD CAW1459 CAW1479
80 Grille Unit CXB1969 CXB1979
93 Panel CNS4451 CNS4869
99 Clamper CEF1009 Not used
7
DEH-P646,546
2.3 CD MECHANISM MODULE
Fig. 4
8
DEH-P646,546
- CD MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Control Unit CWX2224 46 Connector(CN701) CKS2774
2 Pickup Unit(Service) CXX1230 47 Connector(CN801) CKS2196
3 Screw IMS26P035FMC 48 Spring CBH1832
4 Screw BMZ20P025FMC 49 Spring CBH1833
5 Screw BMZ20P040FMC 50 Roller CLA2627
6 Screw BSZ20P040FMC 51 Arm CNV4136
7 Screw CBA1077 52 Arm Unit CXA8565
8 Screw CBA1250 53 Bracket CNC6056
9 Screw CBA1296 54 Load Motor Unit(S7) CXA8702
10 Screw CBA1362 55 Screw JFZ20P025FMC
11 Spring CBH1724 56 Arm CNV4120
12 Spring CBH1729 57 Roller CNV4509
13 Spring CBH1730 58 Gear Unit(S7) CXA8701
14 Spring CBH1731 59 Screw CBA1296
15 Spring CBH1732 60 Frame CNC5797
16 Spring CBH1745 61 Damper CNV3974
17 Spring CBH1848 62 Spring CBH1736
18 Spring CBH1849 63 Spring CBH1863
19 Spring CBH1939 64 Spring CBH1945
20 Spring CBL1214 65 Spring CBL1269
21 Roller CLA2627 66 Arm CNC5799
22 Frame CNC5796 67 Lever CNC6054
23 Bracket CNC5871 68 Spacer CNM3315
* 24 Bracket CNC6376 69 Sheet CNM4849
25 Cushion CNM3917 70 Arm CNV5436
26 Sheet CNM4873 71 Arm CNV4123
27