Samsung GTR23KE Service Manual page 27

4 Troubleshooting
4-7 No Sound
Picture is display, no sound.
Does the signal appear at
Pin 12, 1(CH1_L, R Sound)
7
(CH2_L, R Sound)
Check the DC 8V
8
Does the signal appear at
9
L624_OP, L625_OP?
Replace the speaker ass'y?
4-12
Downloaded From TV-Manual.com Manuals
Yes
and Pin 15, 2
of IC613?
Yes
appear at C653?
Yes
Yes
No
Connect a sound cable.
control a volume.
No
Check a connection harness and
headphone jack.
No
Check a IC813.
Change a main PCB ass'y.
No
Check a IC611.
Change a main PCB ass'y.