Samsung TXT3093WHX Service Manual page 76

3. When there is no Video signal output (Video Block Check)
NO SIGNAL
(AV1,AV2,S-VIDEO)
DIC8000 input
#1,3,5,6 CHECK
(TEA6425D)
OK
DIC8000 input
#1,3,5,6 CHECK
(TEA6425D)
OK
DIC2000(X242H)
input pin
#B16,C11(YorY,C)
Samsung Electronics
DIC7010(MST3387)
NO
#41,44,46:comp1
#50,53,55:comp2
Check the
connectivity
NO
CHANGE
IC
NO
DRW2003~2008 check
CHANGE
OK
OK
IC
OK
DIC4000(PW9050L)
DL4005~DL4007 check
NO
DIC01(CXA2165)output
CHANGE
SYSTEM B'd
OK
signal picture CHECK
NO SIGNAL
(COMP1,2)
NO
Check the
OK
connectivity
DIC7010(MST3387)
NO
#41,44,46:comp1
#50,53,55:comp2
CHANGE
OK
IC
DIC2000(X240H)input
OK
OK
#62,#63 #64 check
OK
OK
REPAIR END
Troubleshooting
NO SIGNAL
(HDMI1,2)
DIC7010(MST3387)
#5~26(w/o GND)
CHECK
OK
DIC7010(MST3387)
#5~26 CHECK
OK
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