LG 410G Service Manual page 61

4. TROUBLE SHOOTING
CHECKING FLOW
START
Is waveform at R231
HIGH?
YES
Are all LEDs
Working?
YES
Backlight will work properly.
LGE Internal Use Only
NO
Check U102(Main board)
Check the soldering
NO
each R and LED,Q200
NO
Replace or re-soldering
component
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R215~R224
LD200~LD209
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