33
3. Panel Power Circuit
White screen
Measure Q302 base
is low level?
X401 oscillate
waveform is normal
Check CN301 is solder
and Q302, Q301 is OK?
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
Содержание V233HZ
Страница 1: ...1 Acer X233HZ X243HQ Service Guide ...
Страница 11: ...11 Back light Unit Electrical Characteristics ...
Страница 12: ...12 Optical Specifications ...
Страница 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...
Страница 25: ...25 ...
Страница 26: ...26 ...
Страница 30: ...30 5 The panel ...
Страница 42: ...42 Hinge A37G0110 1 USB BOARD USB7QK4 ...