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August 2010 42PJ350 Plasma
Switch Mode Power Supply Board Removal
Disconnect the following connectors: P811, P813 and SC101.
Remove the 8 screws holding the SMPS in place.
Remove the board. When replacing, be sure to readjust the Va/Vs voltages in accordance with the Panel
Label. Also, re-confirm VSC, -Vy and Z-Bias as well.
Y-SUS Board Removal
Y-Drive Board Removal
Note: 1) Remember to be cautious of ESD as some semiconductors are CMOS and prone to static failure.
Disassembly Procedure for Circuit Board Removal
Disassembly Procedure for Circuit Board Removal
Remove the Left Vertical Brace. 4 screws, 2 metal tap and 2 plastic tap.
Disconnect the following connectors: P201, P203, P206, P211 and Ribbon Cable P101.
To remove P101, lift up on the locking mechanism and pull the ribbon cable out.
Remove the 16 screws holding the Y-SUS in place.
Do not run the set with P211removed.
Remove the Y-SUS board. When replacing, be sure to readjust the Va/Vs voltages in accordance with the
Panel Label.
Confirm VSC, -Vy and Z-bias as well.
Disconnect P101~P106 Connectors to the Panel
Remove P106 by lifting up on the locking mechanism and pull the ribbon cable out.
Do not run the set with P106 connector removed.
Remove the 7 screws holding the Y-Drive board in place.
Lift up slightly, the slide to the left. Remove the Y-Drive Board.
Note: The Y-SUS does not come with the
connector to the Lower Y-Drive
Board Standoff
Collar
Note: Y-SUS, Z-SUS and Y-Drive boards are mounted on board stand-offs that have a small collar.
The board must be lifted slightly to clear these collars. Behind each board are “Chocolate” (dense rubber
like material) that act as shock absorbers. They may make the board stick when removing.
Note: The Y-SUS does not come with the
connectors between the Y-SUS and Y-Drive