Daewoo DSC-30W60N Service Manual page 45

Troubleshooting charts
No sound to DTV RF
(Audio Center, Woofer)
Check audio C/W to pins 2, 4 of PW12M.
YES
Decoder
C, W, SR, SL
END
No sound to DTV RF
(Audio SL, SR)
Check audio C/W to pins 6, 8 of PW12M.
YES
Decoder
C, W, SR, SL
END
NO
YES
Check pins 188, 190, and 197 of IC701 (Transport IC).
NO
YES
Check pins 188, 190, and 197 of IC701 (Transport IC).
44
Check pins 23, 24 of IC920.
NO
Check pins 63, 64, 67, and 73 of IC912.
NO
NO
If no signal, change IC701.
Check pins 25, 26 of IC920.
NO
Check pins 63, 64, 67, and 73 of IC912.
NO
NO
If no signal, change IC701.