Lenovo LXH-GJ17L3 Service Manual page 36

17" LCD Color Monitor
White Screen
Check Correspondent
component.
White screen
Measure Q204 base
is high level?
OK
Check Q203, Q204 are
broken or CN503 solder?
NG
OK
Replace PANEL
NG
X601 oscillate
waveform is normal
OK
Check reset circuit of
U601 is normal
OK
Replace U601
36
Lenovo LXH-GJ17L3
NG
Replace X601
NG
Check Correspondent
component.