LG HT356SD Service Manual page 19

E
YES
Normal Audio
output when disc
playback?
YES
TEST END.
PWM IC
NO
received correct data
stream?
YES
Normal
PWM IC out?(IC602).
YES
Check Digital AMP circuit
(IC701, IC702).
2-10
NO
Check connection between
IC602 BCK, LRCK, ADATA0.
Check the related circuit of
NO
PWM.(Check Audio out
Pins28, 31, 33, 34, 37, 39, 42).