Samsung BD-P1400 Service Manual page 28

Trouble Shooting
4-6
There is no Audio Output
Check
the Audio
signal at PIN ,4,,6
of AIC
Yes
Check
the Audio
signal at pin,,7~48 of
AIC
Yes
Check
the Audio
signal at AIC4,,6,7
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 AIC4~7 soldering of
peripheral devices
Samsung Electronics