Samsung 730MP - 5-3 No Picture (TV)

5 Troubleshooting
730MP 5-3
Check related circuit
IC701.(VCTI)
Yes
No
Check IC400.(GM1501H)
Check related
IC705.(MST9886)
No
Replace LCD Panel.
Does a signal appear at
Pin No.1,2 of
FT707(X6966M)?
Check CN702 and Tuner.
Yes
No
Does a signal appear at
R787,R788 and R793?
(VCT_ROUT,GOUT,BOUT)
Check related circuit IC701
and Q704,Q705,Q706.(VCTI)
Yes
Yes
Does a signal appear at
RA709~RA714(ADC output)?
Yes
No
5-3 No Picture (TV)
7
8
9
10
7
8
9
10
WAVEFORMS
Does a signal appear at Pin
No.1~30 of CN400
(LVDS output)?
6
Does a signal appear at
Pin No.99,98 of
IC107(VCT_H/V Sync)?
6