LG 42PG20 - Page 23

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Plasma Fall 2008 42PG20
Z-SUS Board Removal
Main Board Removal
Control Board Removal
Disassembly Procedure for Circuit Board Removal (2)
Disassembly Procedure for Circuit Board Removal (2)
Remove the support frame holding the Main PWB
Disconnect the following connector: P1
Remove the 3 screws holding the PWB in place and Disconnect the following connectors: P2 and P3
Remove the PWB.
When replacing, be sure to readjust the Va/Vs voltages in accordance with the Panel Label.
Confirm VS, -Vy and Zbias as well.
Disconnect the following connectors: P701, P302, P303 and JK501
Remove the 2 screws holding on the decorative plastic piece on the right side
Remove the 4 screws holding the PWB in place and Remove the PWB.
Disconnect the following connectors: P121, P160, P161 and P162
Remove the 4 screws holding the PWB in place Remove the PWB.
X-Drive Boards Removal
Disconnect the following connectors: P232, P211, P311 and P331
Remove the 13 screws holding the Heat Sink in place
Disconnect the following connectors: P201 through P206 and P301 through P306
Remove the 4 screws holding each of the X Drive PWBs in place (8 total)
Remove the PWBs.
Disconnect the single connector P101. Remove the 2 screws holding the PWB in place Remove the
PWB. (Note: Power PWB is behind the Control PWB. Remove it’s 2 screws and remove.
Control Button PWB Removal