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6. In case of no sound
(1) Symptom
1) LED is Green.
2) Screen display but sound is not output.
(2) Check following
All input(mode) is no
sound?
No
Only HDMI is No
Sound?
No
Only RF is no sound?
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Only for training and service purposes
Yes
Yes
Download
the EDID data
Yes
Check
the Tuner's IN/OUTPUT
Is the speakers turned
on(OSD menu)?
YES
Is the speaker Cable
connect?
Is the IC602 normal?
YES
Is the IC601 normal?
YES
Replace the VSC Board
- 18 -
No
Set on the speakers on
menu.
No
Connect the Speaker
Cable.
Yes
No
Replace the IC602
(MSP4458)
No
Replace the IC601
(NTP-3000A)
LGE Internal Use Only
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