Philips BDP7700 Service Manual page 21

No audio output
No audio output
Yes
Check whether the
connction between
main board and av
board is ok
Yes
Check If the power of
AK4430 is ok
Yes
Check If the signals of
AMUTE,AOMCLK,AOBCK
, AOLRCK , AOSDATA are
ok
Yes
Replace the AK4430
4-2
NO
NO
NO
Trouble shooting chart
Fix it
Fix it
Fix it