Asus VB171T Service Manual page 39

17" LCD Color Monitor
(3). White screen
Check Q704
or CN703 solder?
Check Correspondent
component.
White screen
Measure Q704 base
is low level?
OK
,
Q703 is broken
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
39
ASUS VB171T&S
NG
Replace X401
NG
Check Correspondent
component.