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-ZZY. FEB. 2002 Printed in Japan
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-3007
CRT2820
S9MP3
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
ORDER NO.
CRT2845
Service
Manual
DEH-P840MP/XN/UC
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P840MP
XN/UC
DEH-P8400MP XN/UC
DEH-P8450MP XN/ES
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...18
4. PCB CONNECTION DIAGRAM ................................38
5. ELECTRICAL PARTS LIST ........................................48
6. ADJUSTMENT..........................................................55
7. GENERAL INFORMATION .......................................65
7.1 DIAGNOSIS ........................................................65
7.1.1 DISASSEMBLY .........................................65
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......74
7.2 PARTS .................................................................75
7.2.1 IC................................................................75
7.2.2 DISPLAY ....................................................92
7.3 OPERATIONAL FLOW CHART ...........................93
7.4 CLEANING ..........................................................93
8. OPERATIONS AND SPECIFICATIONS.....................94
2
DEH-P840MP,P8400MP,P8450MP
- CD Player Service Precautions
1. For pickup unit(CXX1550) handling, please refer
to"Disassembly"(see page 65)
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 59).
[ Important symbols for good services ]
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:
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
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.
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
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
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.
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.
3
DEH-P840MP,P8400MP,P8450MP
1. SAFETY INFORMATION
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
4
DEH-P840MP,P8400MP,P8450MP
1
2
3
5
5
6
7
8
9
10
11
12
13
14
15
16
17
17
18
18
19
20
21
22
23
24
25
26
29
28
27
30
31
32
33
34
35
36
37
4
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING (DEH-P840MP)
DEH-P840MP,P8400MP,P8450MP
5
1-1 Owner's Manual
CRD3569
1-2 Installation Manual
CRD3570
*
1-3 Caution Card
CRP1268
*
1-4 Warranty Card
CRY1070
1-5 Polyethylene Bag
CEG1116
2 Cord Assy
CDE6563
3 Accessory Assy
CEA3142
4 Spring
CBH1650
5 Screw Assy
CEA3140
6 Screw
BPZ20P060FMC
*
7 Polyethylene Bag
CEG-127
8 Handle
CNC5395
9 Bush
CNV3930
*
10 Polyethylene Bag
CEG-158
11 Polyethylene Bag
CEG1185
12 Case Assy
CXB8574
*
13 Battery
CEX1030
14 Sub Carton
CHA3258
15 Carton
CHG4661
16 Contain Box
CHL4661
17 Protector
CHP2538
18 Protector
CHP2539
19 Protector
CHP2541
20 Protector
CHP2546
21 Remote Control Assy
CXB9202
22 Screw Assy
CZE3169
*
23 Polyethylene Bag
CEG-127
*
24 Hexagonal Wrench
CZE3176
*
25 Screw
RMZ30H060FBK
26 Belt
CZN7661
27 Holder Assy
CZX3172
28 Holder Assy
CZX3173
29 Remote Control Assy
CZX3257
30 Screw Assy
CEA3144
31 Screw
BMZ50P060FMC
32 Screw
CBA-102
33 Screw
CBA1002
*
34 Polyethylene Bag
CEG-127
35 Screw
CMZ50P060FMC
36 Nut
NF50FMC
37 Strap
CNC5402
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST (DEH-P840MP)
- Owner's Manual, Installation Manual
Part No.
Language
CRD3569
English, French
CRD3570
English, French
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.)