KDS-50A3000, KDS-55A3000, KDS-60A3000 - Sony TV Service Manual (repair manual). Page 14

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1

FB1A Block Assembly

AC Bracket
(F Board Bracket)

Chassis Block

1   Remove 2 screws from the Rear Cabinet and the 

AC Bracket, +BVTP 3x12 TYPE2 IT-3

2   Remove 2 screws from the FB1A Block Assembly, 

+BVTP2 4x16

7

8

9

13

14

6

4

3

5

10

11

12

Fan Bracket

G Board

A Board

 D.C. Fan (60x60)

Turn Rivet

Terminal Bracket

U Board

G Bracket

AU Shield

BC Board

BC Shield

FB1 Block

TUU2 Block

F Board

3   G Board – Disconnect 6 connectors then remove 6 screws, +BVTP 3x12 TYPE2 IT-3
4   Fan Bracket – Disconnect 1 Connector then remove 2 screws, +BVTP2 4x16 
5   Turn Rivet – Unscrew and carefully pull out from the fan to release it from the shield.

 

Note: The fan is secured to the Chassis Assembly with Turn Rivet screws. To remove these screws use a screw driver to unscrew the 
screw until it lifts slightly above the rivet then pull the screw and the rivet out from the fan. 

6   A Board – Disconnect 2 connectors then remove 3 screws, +BVST3x6, and pull out from the FB1A Block Assembly connector
7   F Board – Disconnect 2 connectors then remove 2 screws, +BVST 3x6
8   TUU2 Block – Release the RF connector
9   FB1A Block Assembly – Disconnect 6 connectors

10   BC Board – Disconnect 2 connectors then remove 2 screws, +BVST 3x6

11   BC Shield – Remove 3 screws, +BVST 3x6

12   G Bracket – Remove 6 screws, +BVST 3x6,  then remove the AU Shield by removing 1 screw, +BVST 3x6
13   U Board – Disconnect 1 connector, remove 2 screws +BVST 3x6, and pull out from FB1A Block Assembly connector
14   Terminal Bracket - Remove 3 screws, +PSW M3x8, 5 screws, + BVTP 3x12 TYPE2 IT-3, and 1 Hex Nut and 1 Washer

Caution: When replacing any part of the chassis be sure to remove any dust particles and clean the mirror.