Acer H243H service manual White screen

Acer Acer –LCD-H243H

4.5 White screen

White Screen

Check LVDS		OK				Workmanship
Cable Insert OK?
NG
			OK
Change LVDS
						LVDS cable NG
Cable
NG
	OK
Check VLCD is
			Check LVDS cable		OK		Panel NG
+5V?
NG				NG
Check Panel	NG
				U104 Fail
Enable of U104

OK

Check Q101,

Q104, Q105, R105,

R108

NG

Q101, Q104, Q105,

R105, R108 fail

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