Samsung HT-E4530, Service Manual

Page: 43 / 91

4. Troubleshooting
4.1.7. No Logo (Composite)
S e le ct corre ct TV mode .
No
No
No
Che ck pre phe ra l IC19’s powe r,
sold e ring a nd de vice s . In ca s e of no
proble m, cha nge the MAIN P CB.
Yes
Yes
Yes
(1)
Vide o output from C 847?
Vide o s e le ction
a ccords with ca ble co nne ction a nd
TV mode ?
(2)
Vide o output from IC19 P in 4?
B. No Logo (Compos ite )
Compone nt Ca ble Error.
IC29 s olde ring ce hck or cha nge
MAIN P CB.
* Re fe r to wa ve pa ttern
ima ge of Fig. 4-1 2.
* Re fe r to wa ve pa ttern
ima ge of Fig. 4-1 3.
Copyright© 1995-2012 SAMSUNG. All rights reserved. 4-19