LG 42LC2RR - No Sound Troubleshooting

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5. In case of no sound
(1) Symptom
Ø LED is white
Ø Screen display but sound is not output.
(2) Check following
Is the SPK cable
normal?
Is the SPK cable
connected well?
Cable inserts well.
No
No
Replace IC400
No
Replace IC404
No
Replace SPK cable
Yes
Yes
Is the RF/ AV/
Component/ RGB/
HDMI sound normal?
No
Does IC400
Operates ?
Does IC404
Operates ?
Replace
VSC B/D
Yes Yes