Panasonic TH-42LF80U / TH-42LF80W (serv.man2) Service Manual ▷ View online
DIS-9
SECTION 2 DISASSEMBLY PROCEDURES
<42LF80>
2.7. IR module and the speakers removal
1. Remove 2 screws 21 to take IR board (Ref.No.20 and No.35) and bracket off from the rear cover (Ref.No.11).
Note: Pay attention not to tear off the FPC cable from the connector.
2. Remove Speakers (Ref.No.39 and No.40) off from the rear cover (Ref.No.12).
2.8. AC inlet removal
1. Remove 2 screws 38 and 1 screw 25 to take AC inlet off from the rear cover (Ref.No.11).
21
4. Remove the IR board and KEY board.
33
8
14
31
28
21
10
32
22
5. The panel.
1
34
18
20
35
19
20
40
12
9
27
16
17
39
17
25
7
6
26
21
21
24
19
3. Remove the screws and BKT.
2
3
4
4
11
36
38
5
37
DIS-10
SECTION 2 DISASSEMBLY PROCEDURES
<42LF80>
2.10. LCD panel module
1. Disconnect cables from the boards on the LCD panel module(Ref.No.1).
2.9. Key module removal
1. Remove 1 screw 28 to remove the key module bracket.
2. Unhook of the bracket to remove the key board(Ref.No.34).
21
4. Remove the IR board and KEY board.
33
8
14
31
28
21
10
32
22
5. The panel.
1
34
18
20
35
19
22
5. The panel.
1
34
18
20
35
19
22
5. The panel.
1
34
18
20
35
19
DIS-11
SECTION 2 DISASSEMBLY PROCEDURES
<42LF80>
2.11. Wiring connections
2.11.1 Caution statement
Caution:
Please confirm that all flexible cables are assembled correctly.
Also make sure that they are locked in the connectors.
Verify by giving the flexible cables a very slight pull.
2.11.2. Wiring
1
2
3
4
5
A Module - P Module
●
●
P Module - Panel
●
●
A Module - Key Module
●
A Module - PANEL
●
●
P Module - AC IN ASS'Y
●
26
9 Wiring Connection Diagram
9.1. Caution statement.
Caution:
Please confirm that all flexible cables are assembled correctly.
Also make sure that they are locked in the connectors.
Verify by giving the flexible cables a very slight pull.
Please confirm that all flexible cables are assembled correctly.
Also make sure that they are locked in the connectors.
Verify by giving the flexible cables a very slight pull.
9.2. Wiring
1 2 3 4 5
Power Board- Main Board
●
●
Power Board-PANEL
●
●
Key Board-Main Board
●
Main Board-PANEL
●
●
Power Board- AC IN ASS`Y
●
1
2
3
5
4
DIS-12
SECTION 2 DISASSEMBLY PROCEDURES
<42LF80>
30
TH-50LFC70U/TH-50LFC70W
7.15. Replacement of LCD Panel Assy and Front Glass
Attention when removing LCD Panel
• Please work by two or more persons.
• Please work putting a glove.
• Please work putting a glove.
Caution about LCD Panel Assy
• When replacing the LCD module, please work to be aware of the following.
3. Replacement of LCD Panel Module
Attention when removing LCD panel module
• Please work by two or more persons.
• Please work putting a glove.
Caution about LCD panel module
• When replacing the LCD panel module, please work to be aware of the following.
3.1. How to handle LCD panel module
• A top-and-bottom inversion is a bad
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