32" 4503, 43/50" 5503 Series:
1.
Remove all fixation screws [2] and [3] that secure the Back cover assy.
2.
Unplug the connector [2] that marked by red box below from SSB.
3.
Gently lift the rear cover from the TV. Make sure that wires and cables are not damaged while lifting the rear cover from the set.
2
2
2
3.2.3 IR board Control Unit
22"/24" series
1.
Unplug the connector [2] from the IR board.
2.
Press the snap that marked by blue box below backward then take out the IR board.
When defective, replace the whole unit.
2
2
2
1
2
3
2
(32"&43" series)
2
3
2
2
2
2