LG 42PC1R Series - Page 24

- 24 -
6. In case of no sound
(1) Symptom
1) LED is white.
2) 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 IC401
No
Replace SPK cable
Yes
Yes
Is the RF/ AV/
Component/ RGB/
HDMI sound normal?
No
Does IC400
Operates ?
Does IC401
Operates ?
Replace IC402
No
Does IC402
Operates ?
Replace
VSC B/D
Yes Yes