4 Troubleshooting
4-2 No Video (PC Analog Signal)
6Is pin9 of
CN501(BKLT_EN)high(3.3V)?
Yes
Does the analog video signal
7appear at R101,105, 108
(Red,Green,Blue)?
Yes
8Does the X201 and X200
oscilate Properly?
Yes
Does the proper clock pules
10appear at Pin6,7 of
the CN201?
Yes
No
No
No
No
Check TFT_LCD panel or inverter
and connection between then.
Check pc signal.
Check the X200, IC201.
Check IC302 and IC201.
Replace LCD Panel.
