Acer X203H Service Manual page 54

6.1.4 Check LCD Module
No Picture No Picture
Lamp connector OK ?
YES YES
Lamp wire
OK
?
NO NO
LCD module fail LCD module fail
To display To display
image image
NO NO
Bad Connection Bad Connection
or connector, or connector,
YES YES
Inverter board
failed
LCM failed
White Screen White Screen
Connection between
LVDS cable and
LCM connector
OK ?
YES YES
Connection between
LVDS cable and
LVDS connector
OK?
YES YES
Is U7 5V?
YES YES
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Bad Connection Bad Connection
NO NO
or connector, or connector,
LVDS cable LVDS cable
Bad Connection Bad Connection
NO NO
or connector, or connector,
LVDS cable LVDS cable
NO NO
Check U7