Samsung LW22A13W Service Manual page 29

5 Troubleshooting
5-8 No Picture (SCART1 R, G, B : High Resolution)
Power indicator is off,
Lamp on, No picture.
Yes
Does the signal appear at
42
R101(R), R100(G), R99(B)?
Yes
Does the signal appear at
43 R123(#7, R), R122(#9, G),
R121(#11, B) of input IC013?
Yes
Does the clock pulse appear at
44
output of IC006~IC009?
Yes
Does the clock pulse appear
45
at output of IC002~IC005?
Yes
Does the signal appear at CR01,
46
CG01, CB01 of R, G, B output?
Yes
Does the clock pulse appear at
47
output of RA311~RA313?
Yes
Check a LVDS cable.
Replace a assy LCD panel.
(BN91-00388L)
LW22A13W
Connect the scart cable.
No
Operating a video player.
(Select R, G, B input mode)
No
Chagne a scart cable.
Change a input board assy. (BN59-00339A)
No
Change FPC cable. (CN102)
Change a input board assy. (BN59-00339A)
No
IC010 is bad.
Change main board assy. (BN94-00400A)
No
IC001 or ICP18 are bad.
Change main board assy. (BN94-00400A)
No
IC200 is bad.
Change main board assy. (BN94-00400A)
No
IC300 or IC901 are bad.
Change main board assy. (BN94-00400A)
No
Please, call to Samsung Co, LTD.
CONFIDENTIAL
5-15