Trouble Shooting
|
Display Trouble
（
white screen
）
White screen
Check if the voltage of panel power
supply is normal(depend on panel)
N
Y
Is there voltage on grid of
QM4 can changed
(12
～
0V or 5V~0)
Is there output signal
from U6
Panel cable is ill-connected
or QM4 is damaged
Check if the circuit of QM5is normal?
N
Y
Change the LCD panel
or the cable to panel
U6 is illness
Y
N
Check if the I/O of
U6 is damaged
QM5 is damaged
N
Y
Summary of Contents for L32D2710
Page 36: ......
