Read LG 32LG50FD (CHASSIS:LJ82A) Service Manual online
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No OSD Trouble Shooting
Check Q903 P in #1
Voltag e Level 12V
Check
Power con necto r
Replace Power b oard
Check P90 0 or P902
#17(RCLK-) , #18(RCLK+)
Maybe BCM3553 has
proble ms
Check L VDS Cable
Check PDP/LCD Module
Control b oard
Y
NY
Y
N
Check L 900
Voltag e Level 12V
Replace L 901
Y
N
Y
Replace Cab le
N
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