Samsung LE19R86BD Service Manual page 110

4-2-7 No Sound
Picture is display, no sound.
Yes
Does the signal appear at Pin
6
#1,2,3,11,12,15 of IC2001?
Yes
Check the DC 9V of IC2001?
Yes
Does the signal appear at
7
Pin #31,37,48,54 of
IC2005?
Yes
Replace the speaker ass'y?
No
Connect a sound cable.
control a volume.
No
Check a connection harness.
No
Check IC2001.
Change a main PBA.
No
Change a main PBA.
4 Troubleshooting
4-13