Samsung 730MP Service Manual page 23

5-5 No Picture (COMPONENT)
Does a signal appear at
R7069,R7067,R7072
(COMP_Y,Pb,Pr)?
Yes
Does a signal appear at
RA709~RA714
(ADC output)?
Yes
Does a signal appear at
6
Pin No.1~30 of CN400
(LVDS output)?
Yes
Replace LCD Panel.
730MP
No
Check CN700 or AV DEVICE.
No
Check related
IC705.(MST9886)
No
Check IC400.(GM150H)
5 Troubleshooting
WAVEFORMS
6
5-5