Read LG 32PC5RVH-MF (CHASSIS:PP78C) Service Manual online
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12. No Sound
(1) Symptom
1) LED is green.
2) There is a picture but no sound.
2) There is a picture but no sound.
(2) Follow check
Is there sound in any
mode?
Is the speaker
on?
Yes
Yes
Is the speaker
cable normal?
cable normal?
Yes
Yes
Is there no sound
only for HDMI?
Yes
Is there no
sound only AV
/COM2/PC?
Is the output
of IC600(R609, R608)
normal?
Yes
Is there no sound
only for RF?
No
No
No
No
Download the EDID data.
Set speaker on
in the menu.
No
Replace the
IC600
No
Check the
Speaker cable
No
Is the IC500
operating normally?
Replace the IC500
No
Yes
Is the IC601
operating normally?
Replace the IC601
Replace the VSC BD
Yes
Check the signal after IC600.
Refer to circuit diagram.
Check the Tuner In/Out.
No
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