Service manual

4 Troubleshooting
4-3
4-2-2 No Video (Analog PC)
Check a PC source and check
the connection of DSUB cable?
Input a analog PC signal and
connected cable(DPMS).
Yes
Does the signal appear at
#30, 22, 38(R, G, B) of IC500?
PC cable. Change a PC
cable. Change a main PCB ass'y.
Yes
Power Indicator is off.
Lamp on, no video.
No
No
1
Does the digital data appear
at the output of
LVDS (R563_OP~R572_OP)?
Check a IC500
Change a main PCB ass'y.
Yes
Check a LVDS cable?
Replace a lcd panel?
Please, Call to Samsung Co. LTD.
Yes
No
No