COLOR DISPLAY
· AVD-505/US
COLOR DISPLAY
AVD-505
US,EW
Service
Manual
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, Wheelock Place, Singapore 23880
C PIONEER ELECTRONIC CORPORATION 1998
ORDER NO.
CRT2239
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM ................................14
5. ELECTRICAL PARTS LIST ........................................19
6. ADJUSTMENT..........................................................23
7. GENERAL INFORMATION .......................................25
7.1 IC ........................................................................25
7.2 DISASSEMBLY ...................................................28
7.3 BLOCK DIAGRAM ..............................................29
8. OPERATIONS AND SPECIFICATIONS.....................30
K-ZZD. JULY 1998 Printed in Japan
- Precautions on Safety for Replacement of Backlight
· High voltage is generated in the inverter when the power is supplied to the system. To avoid an electric
shock, reconfirm that the power switch is set to OFF before starting operation.
· The fluorescent tube and high-voltage parts have high temperature immediately after the power
switch of the main unit is set to OFF. To avoid burning your hand or similar accidents, wait awhile after
turning the power to OFF, then start operation.
· High voltage may be charged to the inverter immediately after the power switch of the main unit is set
to OFF. Wait awhile after turning the power to OFF, then start operation.
· In some cases, the fluorescent tube of backlight may be damaged. Take adequate caution for injury
during operation.
2
AVD-505
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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. SAFETY INFORMATION
3
AVD-505
NOTE:
- Parts marked by "*"are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to
Ñ mark on the product are used for disassembly.
- Owner's Manual
Model
Part No.
Language
AVD-505/US
CRB1419
English
AVD-505/EW
CRD2630
English, Spanish, German, French, Italian, Dutch
*
1 Card
See Contrast table (2
)
*
2 Bracket
CNC5685
3 Bracket
CNC7617
*
4 Screw Assy
CEA2459
5 Screw
BMZ40P040FZK
6 Washer
CBE1044
7 Screw
HMB40P060FZK
8 Cushion Assy
CEA2476
*
9 Cushion
CNM6042
10 Polyethylene Bag
See Contrast table (2
)
11 Carton
See Contrast table (2
)
12 Contain Box
See Contrast table (2
)
13 Protector
CHP2024
14 Protector
CHP2025
15 Owner's Manual
See Contrast table (2
)
*
16 Polyethylene Bag
E36-634
17 Cushion
See Contrast table (2
)
*
18 Bracket Assy
CEA2458
*
19 Warranty Card
See Contrast table (2
)
20 Mounting Base
See Contrast table (2
)
21 Inner Box
See Contrast table (2
)
22 Cover
CNV5716
(1) PACKING SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
(2) CONTRAST TABLE
AVD-505/US and AVD-505/EW are constructed the same except for the following:
Part No.
Mark No. Description
AVD-505/US
AVD-505/EW
*
1 Card
ARY1048
Not used
10 Polyethylene Bag
CEG1173
CEG-162
11 Carton
CHG3588
CHG3566
12 Contain Box
CHL3588
CHL3566
15 Owner's Manual
CRB1419
CRD2630
17 Cushion
Not used
CNM4680
*
19 Warranty Card
Not used
CRY1088
20 Mounting Base
Not used
CXB3063
21 Inner Box
Not used
CHW1748
4
AVD-505
2.2 EXTERIOR
5
AVD-505
1 Bracket
CNC7617
2 Screw
BPZ20P050FMC
3 Screw
BPZ26P120FZK
4 Knob
CAC5356
5 Knob
CAC5540
6 Screw
CBA1082
7 Screw
CBA1154
8 Spring
CBH1708
9 Spring
CBH2094
*
10 Connector
CKS3765
11 Holder
CNC6326
12 Cushion
CNM5900
13 Cushion
CNM5905
14 Cover
CNM5958
15 PCB
CNP5055
16 Case
CNS4801
17 Speaker
CPV1041
18 Display Assy
CXB2131
19 Back Light Unit
CAX1027
20 IC(IC1701)
SBX8035
21 LCD Panel
CAY1033
22 Shield
CNC7351
23 Shield
CNC7952
24 Insulator
CNM5864
25 LCD Unit
CWM5724
26 Connector(CN1003)
CKS1962
27 Connector(CN1201)
CKS3124
28 Connector(CN1151)
CKS3192
29 Connector(CN1601)
CKS3657
30 Spacer
CNM5468
31 Grille Assy
See Contrast table (2
)
32 Slider Unit
CXB2312
33 Screw
BPZ26P080FZK
34 Screw
CBA1082
35 Screw
CBA1083
36 Cord Assy
CDE5561
37 Bracket
CNC7510
38 Bracket
CNC7511
39 Case
CNS4816
40 Cover
CNS4883
41 Cover
CNS4884
42 Screw
CPZ26P080FZK
43 Plug(CN2002)
CKS3274
44 Plug(CN2003)
CKS3282
*
45 Connector(CN2001)
CKS3764
*
46 Gathering PCB
CNX2872
47 Bracket
CNC5685
*
48 Cushion
CNM6042
49 Washer
CBE1044
50 Screw
HMB40P060FZK
51 Screw
BMZ40P040FZK
52 Mounting Base
See Contrast table (2
)
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
(2) CONTRAST TABLE
AVD-505/US and AVD-505/EW are constructed the same except for the following:
Part No.
Mark No. Description
AVD-505/US
AVD-505/EW
31 Grille Assy
CXB3537
CXB2132
52 Mounting Base
Not used
CXB3063