Read LG 32LX4DC-UB / 32LX4DCS-UB (CHASSIS:LA53A) Service Manual online
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No Raster
Replace Power board
Stand by voltage :
D_board P100 +12V-P
Check No Power
(Go to Power)
Fail
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Replace Q202/Q200
Replace D_board
Stand by voltage :
D_board Q202
#5, #6, #7, #8 12V
D_Board P202
LVDS Signal Exist?
Check No Power
(Go to Power)
Fail
Fail
Fail
Fail
Replace D_board
Replace A_board
A_board P502 #13
15V
Check No Power
(Go to Power)
Check
Module T-con voltage:
D-board P202 #2, #3, #4pin
12V?
Replace LCD Module
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