Specifications

20″ LCD Color Monitor Adelpia TGL2010A
35
Abnormal picture
White Screen
White screen
Measure Q706 base
is high level?
X401 oscillate
waveform is normal
Check Q706, Q705 are
broken or CN101 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
Abnormal picture
The power button if
under control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure Q706 base is high
level?
Check Correspondent
component
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
OK