Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer DEH DEH-P940MP & P9400MP & P9450MP Pioneer_DEH-P940MP,P9400MP,P9450MP
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download Pioneer_DEH-P940MP,P9400MP,P9450MP documenatation <<
Text preview - extract from the document
ORDER NO.
CRT2847
DEH-P940MP/UC
MULTI-CD/DAB CONTROL DSP HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P940MP UC
DEH-P9400MP UC
DEH-P9450MP ES
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".
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
PIONEER CORPORATION 2002 K-ZZS.FEB.2002.printed in Japan
1 2 3 4
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 repai
A 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 o
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
[ 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:
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.
B
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.
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
C 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.
D
2 DEH-P940MP/UC
1 2 3 4
5 6 7 8
CONTENTS
SAFETY INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. EXPLODED VIEWS AND PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . .6
2.1 PACKING(DEH-P940MP,P9400MP) . . . . . . . . . . . . . . . . . . . . . . . . .6
2.2 PACKING(DEH-P9450MP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 A
2.3 EXTERIOR(1)(DEH-P940MP,P9400MP) . . . . . . . . . . . . . . . . . . . . . 10
2.4 EXTERIOR(2)(DEH-P940MP,P9400MP) . . . . . . . . . . . . . . . . . . . . . 12
2.5 EXTERIOR(1)(DEH-P9450MP) . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.6 EXTERIOR(2)(DEH-P9450MP) . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7 CD MECHANISM MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 20
3.1 BLOCK DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.2 OVERALL CONNECTION DIAGRAM(DEH-P940MP,P9400MP)(GUIDE PAGE) . 22
3.3 OVERALL CONNECTION DIAGRAM(DEH-P9450MP)(GUIDE PAGE) . . . . . . 28
3.4 DSP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.5 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.6 CD MECHANISM MODULE(GUIDE PAGE) . . . . . . . . . . . . . . . . . . . . 38
4. PCB CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.1 TUNER AMP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
B
4.2 DSP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.3 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4.4 CD CORE UNIT(S9MP3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.5 EQ PCB, SWITCH PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.1 CD ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT . . . . . . 77
6.3 TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.4 DISPLAY TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.1.1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.1.2 CONNECTOR FUNCTION DESCRIPTION . . . . . . . . . . . . . . . . . . . 86
7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 C
7.3 OPERATIONAL FLOW CHART . . . . . . . . . . . . . . . . . . . . . . . . . 107
7.4 CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
8. OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
- CD Player Service Precautions
1. Before shipping out the repaired product, confirm the 3. During disassembly, be sure to turn the power off
position of the DSP MODE switch; the switch should since an internal IC might be destroyed when a con-
be set to the side that the customer previously select- nector is plugged or unplugged.
ed. 4. Please checking the grating after changing the ser-
If the switch is set to the STD side on the product vice pickup unit(see page 77).
where the NW side was selected, the speakers con-
nected may be damaged.
2. For pickup unit(CXX1550) handling, please refer
D
to"Disassembly"(see page 82)
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
DEH-P940MP/UC 3
5 6 7 8
B
A
D
C
Phase .......................................... Normal/Reverse Phase .......................................... Normal/Reverse
4
Specifications(DEH-P940MP/UC) MID HPF/LPF Specifications(DEH-P9400MP/UC) MID HPF/LPF
Frequency (LPF) Frequency (LPF)
General ..............1.6/2/2.5/3.15/4/5/6.3/8/10/12.5/16 kHz General ..............1.6/2/2.5/3.15/4/5/6.3/8/10/12.5/16 kHz
Frequency (HPF) Frequency (HPF)
1
1
Power source .............. 14.4 V DC (10.8 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo