No Video (Pc Analog Signal) - Samsung 226BW Service Manual

4-2 No Video (PC Analog Signal)

5
Is pin9 of
CN700(BKLT_EN)high(3.3V)?
Yes
Does the analog video signal
appear at R104, R105, R106
6
(Red,Green,Blue)?
Yes
7
Does the X710
oscilate Properly?
Yes
Replace LCD Panel.
No
Check TFT_LCD panel or inverter
and connection between then.
No
Check pc signal.
No
Check the X300.
4 Troubleshooting
4-3