DOWNLOAD Sony KLV-20G400A Service Manual ↓ Size: 12.26 MB | Pages: 40 in PDF or view online for FREE

IMPORTANT: 
The unit in this manual DOES NOT contain a self-diagnostic function. If an error occurs, the TV will not stay on. It is our recommendation that if a 
repair is required for this set, the technician should bring both the A Board and the G Board to the customer location.

The unit in this manual DOES NOT contain a self-diagnostic function. 

1   Remove 2 screws from top of Rear Cover, +BVTP 3X10
2   Remove 2 screws, +PSW M4X12
3   Remove 4 screws from Terminal area, +BVTP 3X10
4   Remove 2 screws, +PSW M4X12
5   Remove 2 screws, +PSW M4X12
6   Remove 8 screws from both sides of Rear Cover, -BVTP 4X12

 

7   Remove 4 screws to detach the 2 Vesa Brackets from the Rear Cover. Save the screws and the brackets 

and put them into the replacement Rear Cover.

1   Remove from Bezel
2  Release hooks
3   Disconnect one connector from the H1 Board.

6

5

4

2

3

1

Rear Cover

Bezel

1

2

3

Key Cover

Function Key

H1 Board

Bezel

7

Rear Cover

Vesa  Breacket

1   Remove 1 screw from the H3 Board.
2   Disconnect one connector
2   Remove 1 screw +PSW M3X6 and release the ground wire

1   Remove 3 screws, +BVTP 3X10 from H2 Board
2   Disconnect one connector

2

1

H3 Board

Bezel

3

1

2

LED Lens

H2 Board

Bezel

IR Lens

1   Remove 2 screws and release ground wire, +PSW M3X6
2   Remove 2 screws from bottom of Main Shield, +FH 3X4
3   Remove 4 screws, +PSW M3X6
4   Remove 1 screw (+FH 3X4) and a Hex Nut from Tuner
5   Remove 7 screws, +PSW M3X6
6   Disconnect 6 connectors
7   Remove 5 screws, +PSW M3X6
8   Disconnect 8 connectors
9   Release 1 PWB Holder

10   Slide out AC inlet with the G Board from the Main Bracket.

5

6

8

9

10

A Board

Main Bracket

B Board

Main Shield

7

4

2

1

3