LG HCS6000A Service Manual page 42

6. AUDIO TROUBLESHOOTING
(4) No SPDIF Out for ATSC
ATSC Audio is OK?
ATSC SPDIF is OK?
NTSC Audio is OK?
Analog audio is output from IC701
(25, 26)?
18.432MHz clock is output from
IC701(57)? Fig.07
Data pulse is output from IC701(5)?
Fig.07
18.432MHz clock output from
IC701(57)
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
3-32
Go back to symptom #1
Go back to symptom #3
Go back to symptom #2
Check IC701.
Check IC701.
Check IC701.