PIONEER AVHP7490DVD Service Manual

Cover page of PIONEER AVHP7490DVD Service Manual

Service Manual for PIONEER AVHP7490DVD, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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  • The manual has 264 pages
  • File size: 24.06 MB
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Sample pages

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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-ZZD. APR. 2002 Printed in Japan
ORDER NO.
CRT2863
Service
Manual
AV RECEIVER/DVD PLAYER WITH 7.0 INCH DISPLAY
AND DOLBY DIGITAL/DTS MULTI CHANNEL SURROUND
AVH-P7490DVD
UC
- This service manual should be used together with the manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,
refer to the following manual(s).
Model No.
Order No.
Mech. Module Remarks
AVX-P7300DVD/UC
CRT2672
7 Inch Wide AV System Display/DVD Player Section
AVM-P9000R/UC
CRT2518
Multi-Channel AV Master Unit Section
CX-954
CRT2670
MS2
DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
EXPLODED VIEWS AND PARTS LIST
EXTERIOR(1/3)(AVX-P7300DVD/UC)(Page 6)
- EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Description
AVX-P7300DVD/UC
AVH-P7490DVD/UC
55 Remote Control Unit
CXB7969
Not used
56 Cover
CZN5357
Not used
EXTERIOR(AVM-P9000R/UC)(Page 6)
- EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Description
AVM-P9000R/UC
AVH-P7490DVD/UC
74 Remote Control Assy
CXB6029
CXB9291
75 Cover
CZN5357
CZN5434(Battery Cover)
background image
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-ZZD. APR. 2002 Printed in Japan
ORDER NO.
CRT2863
Service
Manual
AV RECEIVER/DVD PLAYER WITH 7.0 INCH DISPLAY
AND DOLBY DIGITAL/DTS MULTI CHANNEL SURROUND
AVH-P7490DVD
UC
- This service manual should be used together with the manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,
refer to the following manual(s).
Model No.
Order No.
Mech. Module Remarks
AVX-P7300DVD/UC
CRT2672
7 Inch Wide AV System Display/DVD Player Section
AVM-P9000R/UC
CRT2518
Multi-Channel AV Master Unit Section
CX-954
CRT2670
MS2
DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
EXPLODED VIEWS AND PARTS LIST
EXTERIOR(1/3)(AVX-P7300DVD/UC)(Page 6)
- EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Description
AVX-P7300DVD/UC
AVH-P7490DVD/UC
55 Remote Control Unit
CXB7969
Not used
56 Cover
CZN5357
Not used
EXTERIOR(AVM-P9000R/UC)(Page 6)
- EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Description
AVM-P9000R/UC
AVH-P7490DVD/UC
74 Remote Control Assy
CXB6029
CXB9291
75 Cover
CZN5357
CZN5434(Battery Cover)
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2
AVH-P7490DVD
PACKING
45
13
14
15
16
12
13
14
9
46
8
19
3
4
6
5
2
18
17
27
29
20
23
10
21
22
24
1
25
49
47
51
48
53
44
41
43
40
50
52
42
28
59
60
61
62
7
26
58
54
56 55 30
31
35
36
32
38
34
33
57
39
37
11
EXPLODED VIEWS AND PARTS LIST
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3
AVH-P7490DVD
1 Cord Assy
CDE6668
2 Accessory Assy
CEA2876
3 Screw
BPZ20P060FMC
4 Screw
CBA1002
5 Bracket
CNC9383
6 Bush
CNV1917
7 Polyethylene Bag
CEG1116
8 Sub Carton
CHG4729
9 Contain Box
CHL4727
10 Screw(M4x3)
CBA1468
11 Sub Carton
CHA3172
12 Polyethylene Bag
CEG1173
13 Protector
CHP2445
14 Protector
CHP2446
15 Protector
CHP2385
16 Protector
CHP2386
*
17 Fastener
CNM6544
*
18 Fastener
CNM6545
*
19 Polyethylene Bag
E36-615
20 Screw Assy
CEA2927
21 Screw
BMZ50P060FMC
*
22 Polyethylene Sheet
CNM4338
23 Screw
CMZ50P060FMC
24 Cord
CDE6570
25 Cord Assy
CDE6376
26 Remote Control Assy
CXB9291
27 Speaker Unit
CXB6699
28 Sheet
CNM7244
29 Polyethylene Bag
CEG1116
30 Holder
CNS5606
31 Cord Assy
CDE5905
32 Cord Assy
CDE5906
33 Cord Assy
CDE5908
34 Cord Assy
CDE6016
35 Cord Assy
CDE6305
36 Antenna Cord
CDH1265
37 Cable
CDE6690
38 Cord Assy
CDE6368
39 Speaker Assy
CXB9300
*
40 Screw Assy
CEA2440
41 Screw
BNC40P120FZK
*
42 Polyethylene Bag
CEG1158
43 Screw
HMF40P080FZK
*
44 Polyethylene Bag
CEG1101
45 Polyethylene Bag
CEG1181
46 Carton
CHG4727
47 Sub Carton
CHG4089
48 Protector
CHP2572
49 Protector
CHP2280
50 Fastener
CNM3728
51 Spacer
CHW1929
52 Angle
CNB2351
53 Clamper
CNV1343
54 Polyethylene Bag
CEG1011
55 Battery
CEX1021
56 Sheet
CNM6370
57 Accessory Assy
TEA1800
58 Accessory Assy
CEA3302
59 Plate
CNM7960
60 Owner's Manual
CRB1764
61 Installation Manual
CRB1765
*
62 Card
ARY1048
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
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.
- Owner's Manual, Installation Manual
Model
Part No.
Language
AVH-P7490DVD/UC
CRB1764
English
CRB1765
English
background image
PIONEER 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 NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
K-ZZU. MAY 2001 Printed in Japan
ORDER NO.
CRT2672
7 INCH WIDE AV SYSTEM DISPLAY/DVD PLAYER
AVX-P7300DVD
UC
Service
Manual
AVX-P7300DVD
EW
AVX-P7300DVD
ES/RD,ES/RC
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-954
CRT2670
MS2
DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..14
4. PCB CONNECTION DIAGRAM................................46
5. ELECTRICAL PARTS LIST........................................64
6. ADJUSTMENT .........................................................80
7. GENERAL INFORMATION.....................................101
7.1 DIAGNOSIS ......................................................101
7.1.1 TOUBLESHOOTING...............................101
7.1.2 DISASSEMBLY .......................................105
7.1.3 PCB LOCATION ......................................110
7.1.4 CONNECTOR FUNCTION DESCRIPTION.111
7.2 IC
................................................................112
7.3 EXPLANATION .................................................131
7.3.1 MECHANISM DESCRIPTIONS ..............131
7.3.2 OPERATIONAL FLOW CHART...............135
8. OPERATIONS AND SPECIFICATIONS ..................136
NOTE:
- Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby
Laboratories. Confidential unpublished works. © 1992-1997 Dolby Laboratories. All rights reserved.
- Inverter for LCD back light becomes a high voltage.
- About FPC between control PCB and relay unit
There is a direction of the connector and the installation is noted.
Please note that the length of the line is short at the time of detaching.
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2
AVX-P7300DVD
1. SAFETY INFORMATION
1.1 UC
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
1.2 EW
1. Safety Precautions for those who Service this Unit.
· Follow the adjustment steps (see pages 80 through 100)in the service manual when servicing 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. The triangular label is attached to the mechanism
unit frame.
- DVD Player Service Precautions
1. Never adjust the LD VR in the pickup unit to protect the pickup from electrical damages.
2. For pickup unit(service)(CXX1530) handling, please refer to"Disassembly"(see page 109).
During replacement, handling precautions shall be taken to prevent an electrostatic discharge(set the short switch
of the pickup unit to the SHORT side).
3. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is
plugged or unplugged.
4. Please adjusting the skew after changing the pickup unit(see page 83).

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