No Directv Audio - LG LSS-3200A Service Manual

2) NO DIRECTV AUDIO

ATSC audio is OK?
YES
IC401(1), IC402(1) and IC403(1) are
Low?
YES
Pulse is output from R805 and R806?
NO
Go back to symptom #1
NO
NO
Check IC800 and surroundings.
3-11
Check IC201(36).