Samsung TXT3093WHX Service Manual page 75

Troubleshooting
2. When there is no RF signal output (RF Block Check)
Check if
HS403 is 9V
Replace
the Tuner.
Replace
TEA6425D.
Replace the
System Board.
Replace the
System Board.
Replace
CXA2165.
6-6
No Signal
(Noise Pattern)
0V
Check TU01S #2
No Signal
TU01S #21(CUBS OUT)
No Signal
Check DIC8001 #19.
(TEA6425D)
No Signal
Check the DIC2000 (X242H)
Input Pin B16 (DR2009)
No Signal
Check DIC4000 (PW9050L)
DL4005~DL4007
No Signal
Check the DIC01 outputs
of #62, #63 and #64 (CXA2165)
Check the signal picture.
9V
OK
OK
OK
OK
OK
OK
REPAIR END
Samsung Electronics