LG 50PK950 Training Manual page 34

Disassembly Procedure for Circuit Board Removal (2)
Disassembly Procedure for Circuit Board Removal (2)
Z-SUS Board Removal
Disconnect the following connectors: P102 and P107.
Remove the 10 screws holding the board in place.
Lift up slightly to clear the screw stand-offs and pull the Z-SUS to the left to unseat P103, P105 and P106
from the Z-SUB board and remove the board.
When replacing, be sure to readjust the Va/Vs voltages in accordance with the Panel Label.
Confirm VS, -Vy and Z-bias as well.
Z-SUB Board Removal
Disconnect the following connector: P102 and remove P107 by pulling the locking mechanism upward
and remove the flexible ribbon cable.
Remove the 10 screws holding the board in place.
Remove the Z-SUB board.
Main Board Removal
Disconnect the following connectors: P902 LVDS (press inward on the locking tabs), P400, P703 and
P300. Remove the 4 screws holding the Main board in place and Remove the board.
Control Board Removal
Disconnect the following connectors: P31 LVDS, P1 Ribbon, P2, and P101, P102, P104 Ribbons by
lifting up the locking tab. Remove the 2 screws holding the Control board in place. Lift up the Control
board to unseat it from the two metal supports at the bottom and Remove the board.
Front IR and Key Pad Removal
FRONT IR/INTELLIGENT SENSOR and POWER BUTTON:
Remove the 2 screws. Remove the Board.
Disconnect P100 and P101. Note: P101 is a ribbon connector. Lift up the locking mechanism and
slide the ribbon cable out.
KEY PAD:
The Key Pad is a thin strip of static sensitive material attached to the front glass. It is not removable.
34 October 2010 50PK950 Plasma