Samsung UN32B6000VFXZA Service Manual page 69

4-1-8. No Sound
Symptom Video is normal but there is no sound..
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When the speaker connectors are disconnected or damaged.
-
Major
When the sound processing part of the Main Board is not functioning.
-
checkpoints
Speaker defect..
-
Caution Make sure to disconnect the power before working on the PD board.
Diagnostics
0
!
@
CN1303
No sound
Yes
Check the sound source and
check the connection of
sound cable?
Yes
Does the signal appear at RA1307?
Yes
Does the digital data appear at
pin27,28,29 of IC1502?
Yes
Does the signal appear at
pin1~4 of CN1501?
Yes
Check the LVDS cable?
Replace the speaker?
CN1501
IC1502
Input a sound signal.
No
Check the connected cable.
No
Change the CN1303 or the main
Change IC1501 or the main
No
PCB assembly
Change IC1502 or the main
No
PCB assembly
No
Please, contact Tech support
4. Troubleshooting
IC1501
PCB assy
4-21