No Sound - LG 32LC41 Service Manual

14. No Sound

(1) Symptom
1) LED is green.
2) There is a picture but no sound.
(2) Follow check
Is there
sound in any
mode?
Yes
Is there
no sound only for
HDMI?
Yes
Is there no
sound only AV
/COM2/PC?
Yes
Is there
no sound only for
RF?
No
No
Download the EDID data.
Is the
No
output of IC600
(R607, R608)
normal?
Yes
Check the signal after IC600.
refer to circuit diagram.
No
Check the Tuner In/Out.
Is the speaker on?
Is the speaker
cable normal?
No
Replace the
IC600
Is the IC500
operating normal?
Is the IC601
operating normal?
Replace the VSC BD
- 23 -
No
Set speaker on
in the menu.
Yes
No
Check the Speaker
cable
Yes
No
Replace the IC500
Yes
No
Replace the IC601
Yes