Dell E1909Wc - Page 47

19" LCD Color Monitor Dell E1909Wc
47
White screen
White screen
Measure Q302 base
is low level?
X401 oscillate
waveform is normal
Check Q301, Q302, U301 is
broken or U301 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U401
OK
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal