Samsung HT-E6759W, Service Manual

Page: 46 / 106

4. Troubleshooting
4.1.8. No Logo (Composite)
S e le ct corre ct TV mode .
No
No
No
Che ck pre phe ra l IC19’s powe r,
so lde ring a nd de vice s. In ca se of no
proble m, ch a nge the MAIN P CB.
Yes
Yes
Yes
(1)
Vide o output from C847?
Vide o s e le ction
a ccords with ca ble conne ction a nd
TV mode ?
(2)
Vide o output from IC19 P in 4?
No Logo (Comp osite )
Compone nt Ca ble Error.
IC29 s olde ring ce hck or cha nge
MAIN P CB.
* Re fe r to wa ve pa tte rn
ima ge of Fig. 4-9.
* Re fe r to wa ve pa tte rn
ima ge of Fig. 4-10.
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