Samsung BD-P1500 Service Manual page 26

Trouble Shooting
,5,7,6 of AIC8 PIN,5,7 (Clock data )
4-6
There is no Audio Output
Check
the Audio signal at PIN
PIN6 (Audio data)
Yes
Check
the Audio
signal at PIN 0,,,
of AIC8
Yes
Check
the Audio
signal at AIC
Refer to a pattern
Yes
image of Table 4-3
Audio cable error
No
Replace the main PCB
No
Check AIC soldering or replace
AIC
No
Check AIC soldering of
peripheral devices
Samsung Electronics