Samsung LN40R71BAX - No Sound Troubleshooting

4 Troubleshooting
4-16
Does the signal appear at
C8001 ~ C8012?
Check CN201_NT,CN303_L,
JA206_NT,JA201,JA205, JA403.
Change the main PCB Ass'y.
Yes
Yes
No
Does the digital data appear
at R8028, R8029?
Check IC8002
Change the main PCB Ass'y.
Yes
No
Does the signal appear at
BD8003, BD8008, BD8010,
BD8011?
Check IC8005
Change the main PCB Ass'y.
Yes
Replace the speaker Ass'y?
No
Please, call to Samsung Co. LTD
No
4-2-9 No Sound
11
12
13
Input a sound signal.
check the connected cable.
Check the sound source and
check the connection of
sound cable?
No