No Sound - Samsung LE23T51B Service Manual

4 Troubleshooting

4-7 No Sound

Picture is display, no sound.
Yes
Does the signal appear at
Pin 12, 1(CH1_L, R Sound)
7
and Pin 15, 2
(CH2_L, R Sound)
of IC613?
Yes
Check the DC 8V
8
appear at C653?
Yes
Does the signal appear at
9
L624_OP, L625_OP?
Yes
Replace the speaker ass'y?
4-12
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.