Samsung sf150t Service Manual page 25

Troubleshooting
6-6. OGM Not Playing Back
Start
N
Check
N
P7 Harness ?
Y
End
6-10
Y
OGM Play Back ?
N
Speaker On
Check
Y
Mic signal from
P7-4, 5
Replace Mic.
End
Check
N
signal from
U3-16 ?
Y
Y
Check
N
signal from
U3-29, 31 ?
Y
Replace speaker
Replace main
board
N
End
Replace U3
End
SF150T