Samsung SV-4000W Service Manual page 52

(MONO)
Audio missing in play mode
Audio missing in EE mode
Samsung Electronics
Check
No
IC301-76
PC 5V
Yes
Check
No
Audio In
IC301-10
Yes
Check
No
Audio In
IC301-11
Yes
Check
No
Audio out
IC301-77
Yes
See page 5-21
Check
PC 5V Line
No
Check
Audio Rec/Play
C3A31, C3A12, C3A13,
R3A12, R3A13, R3A15,
R3A16, R3A17
Check
C3A15
Check
IC301
Troubleshooting
Check
A/CE Head
5-23