Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer Car Audio deh-p2550
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Service
Manual DEH-P2550/XM/ES
ORDER NO.
CRT2983
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P2550 XM/ES, XN/ES
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3026 CRT2944 S10 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2002 K-ZZA. OCT. 2002 Printed in Japan
1 2 3 4
A 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.
B
C
[ Important symbols for good services ]
D In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
E
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
F prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
2 DEH-P2550/XM/ES
1 2 3 4
5 6 7 8
CONTENTS A
SAFETY INFORMATION ............................................................................................................................................2
1. SPECIFICATIONS .......................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.......................................................................................................................5
2.1 PACKING...............................................................................................................................................................5
2.2 EXTERIOR.............................................................................................................................................................6
2.3 CD MECHANISM MODULE .................................................................................................................................8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...................................................................................................10
3.1 BLOCK DIAGRAM ..............................................................................................................................................10
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ........................................................................................12
B
3.3 KEYBOARD UNIT ...............................................................................................................................................18
3.4 CD MECHANISM MODULE ...............................................................................................................................20
4. PCB CONNECTION DIAGRAM ................................................................................................................................24
4.1 TUNER AMP UNIT .............................................................................................................................................24
4.2 PANEL UNIT .......................................................................................................................................................28
4.3 KEYBOARD UNIT ...............................................................................................................................................29
4.4 CD MECHANISM MODULE ...............................................................................................................................30
5. ELECTRICAL PARTS LIST ........................................................................................................................................32
6. ADJUSTMENT .........................................................................................................................................................36
6.1 CD ADJUSTMENT .............................................................................................................................................36 C
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT................................................................38
6.3 ERROR MODE ....................................................................................................................................................40
7. GENERAL INFORMATION .......................................................................................................................................41
7.1 DIAGNOSIS ........................................................................................................................................................41
7.1.1 DISASSEMBLY ..............................................................................................................................................41
7.1.2 CONNECTOR FUNCTION DESCRIPTION ....................................................................................................43
7.2 PARTS .................................................................................................................................................................44
7.2.1 IC ....................................................................................................................................................................44
7.2.2 DISPLAY.........................................................................................................................................................52 D
7.3 OPERATIONAL FLOW CHART...........................................................................................................................53
7.4 CLEANING ..........................................................................................................................................................54
8. OPERATIONS ...........................................................................................................................................................55
E
- CD Player Service Precautions
1. Before disassembling the unit, be sure to turn off the 3. After replacing the pickup unit, be sure to check the
power. Unplugging and plugging the connectors dur- grating.(See p.38.)
ing power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic dis-
charge during serviving, take an appropriate treat-
ment(shorting-solder) by referring to "the DISAS-
F
SEMBLY" on page 41.
DEH-P2550/XM/ES 3
5 6 7 8
1 2 3 4
A 1. SPECIFICATIONS
Backup current
B 5 mA or less
C
D
E
F
4 DEH-P2550/XM/ES
1 2 3 4
5 6 7 8
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
A
B
C
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.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
D
- PACKING SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Cord Assy CDE7060 14 Bush CNV3930
2 Accessory Assy CEA3439 15 Polyethylene Bag CEG1173
3 Spring CBH1650 * 16 Battery CEX1065
4 Screw Assy CEA3437 17 Carton(DEH-P2550/XM/ES) CHG4961
5-1 Owner's Manual CRD3690 Carton(DEH-P2550/XN/ES) CHG4975
5-2 Owner's Manual CRD3691 18 Contain Box(DEH-P2550/XM/ES) CHL4975
5-3 Installation Manual CRD3692 Contain Box(DEH-P2550/XN/ES) CHL4961
6 Screw CBA1002 19 Protector CHP2663 E
* 7 Polyethylene Bag CEG-127 20 Protector CHP2664
8 Screw CRZ50P090FTC
9 Screw TRZ50P080FTC
* 10 Polyethylene Bag CEG-158
11 Handle CNC5395
12 Case Assy CXB3520)
13 Remote Control Unit CXC1265
- Owner's Manual, Installation Manual
Model Part No. Language
DEH-P2550/XM/ES CRD3690 English, Spanish, Portuguese(B) F
DEH-P2550/XN/ES CRD3691 Traditional Chinese, Arabic
CRD3692 English, Spanish, Portuguese(B), Traditional Chinese, Arabic
DEH-P2550/XM/ES 5
5 6 7 8
1 2 3 4
2.2 EXTERIOR
A
B
C
D
E
F
6 DEH-P2550/XM/ES
1 2 3 4
5 6 7 8
- EXTERIOR SECTION PARTS LIST
A
Mark No. Description Part No. Mark No. Description Part No.
1 Remote Control Unit CXC1265 46 Cover CNM6854
2 Cover CNS7068 47 Panel CNS7245
3 Screw ISS26P055FTC 48 Gear CNV5997
4 Screw BMZ30P040FZK 49 Pin CNV6486
5 Screw BSZ26P060FTC 50 Lighting Conductor CNV6487
6 Screw BSZ30P060FTC 51 Arm CNV7400
7 Screw BSZ30P200FTC 52 Arm CNV7401
8 Cord Assy CDE7060 53 Arm CNV7402
9 Cable CDE7188 54 Arm CNV7403 B
10 CD Mechanism Module(S10) CXK5600 55 Panel Unit CWM8758
11 Case CNB2793 56 Socket(CN1950) CKS3550
12 Earth Plate CNC8915 57 Connector(CN1951) CKS4462
13 Cushion CNM4870 58 Holder Unit CXB9501
14 Insulator CNM7935 59 Holder Unit CXB9502
15 Insulator CNM8174 60 Damper Unit CXB9503
16 Panel CNS6935 61 Service Panel Unit CXX1691
17 Tuner Amp Unit CWM8619 62 Screw IMS20P045FZK
18 Screw ASZ26P060FTC 63 Detach Grille Assy CXB9604
19 Screw BPZ26P080FTC 64 Screw BPZ20P100FZK C
20 Screw BSZ26P160FTC 65 Button(DISP) CAC7779
21 Fuse(10A) CEK1208 66 Button(PAUSE) CAC7780
22 FM/AM Tuner Unit CWE1646 67 Button(AUDIO) CAC7781
23 Holder CND1054 68 Button(OPEN) CAC7782
24 Pin Jack(CN351) CKB1059 69 Button(VOLUME) CAC7810
25 Plug(CN981) CKM1376 70 Button(SELECT) CAC7812
26 Connector(CN101) CKS3408 71 Button(SRC) CAC7785
27 Plug(CN831) CKS3537 72 Button(FUNC) CAC7786
28 Connector(CN721) CKS3835 73 Button(1-6) CAC7787
D
29 Antenna Jack(CN401) CKX1056 74 Button(CLK, EQ) CAC7808
30 Holder CND1237 75 Spring CBH2630
31 Holder CND1352 76 Cover CNS7269
32 Insulator CNM8245 77 Lighting Conductor CNV7421
33 Heat Sink CNR1668 78 Rubber CNV7422
34 Terminal(CN402) VNF1084 79 Keyboard Unit CWM8635
35 Holder Unit(DEH-P2550/XM/ES) CXB6681 80 LCD(LCD1901) CAW1759
Holder(DEH-P2550/XN/ES) CNC8659
81 Connector(CN1901) CKS4524
36 Chassis Unit CXB9528 82 Holder CNC9757
37 Button(EJECT) CAC7752 83 Sheet CNM7647 E
38 Screw(M2x2) CBA1176 84 Cushion CNM8092
39 Washer CBF1038 85 Connector CNV6440
40 Spring CBH2650
86 Lighting Conductor CNV7495
41 Spring CBH2651 87 Grille Unit CXB9632
42 Spring CBH2652 88 Transistor(Q752, 901, 911) 2SD2375
43 Spring CBH2653 89 IC(IC301) PAL007A
44 Spring CBL1512 90 IC(IC1902) TSOP4840SB1
45 Holder CND1254
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