Acer A231H - Voltage and Backlight Issues

Acer Acer –LCD-A231H
2．DC output voltage is unstable
Check the R pin
volta
g
e of IC803
Check R832
Check D803,C807,C810
Change
Check pin6 of
IC802 voltage
Check pin3 of
IC802 voltage
Check R805,R814,R815
END
Check the C pin
voltage of IC803
Change
Unstable power
Check sampling
Circuit
Check
R822,R825,R826,
R822,R825,R826,