No Picture(Component) - Samsung 242MP Service Manual

6-6 No Picture(COMPONENT)

Does a signal appear at R7069(COMP_Y),
R7067(COMP_PB), R7073(COMP_PR)?
Does a signal appear at
RA7002~RA7003(ADC output)?
Does a signal appear at RA902~RA903,
RA905~RA908 (Deinterlacer output)?
Does a signal appear at Pin. No.
6~35 of IC400(Scaler LVDS output)?
6
Does a signal appear at Pin. No.
1~30 of IC400(Scaler LVDS output)?
Replace LCD Panel
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check CN701 or AV Device
Check related circuit of IC7001(MST9886)
Check related circuit of IC900(Mdin150)
Check related circuit of IC300
(GM1601H)
Check related circuit of IC400
(S5D2544X)
6 Troubleshooting
6-11