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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?
No
Only AV/component/PC
input is no sound?
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Only for training and service purposes
Yes
Yes
Download
the EDID data
Yes
Check
the Tuner IN/OUT
Yes
Check
the Sound IN/OUT
Is the speaker On it
menu?
YES
Is the speaker Cable
normal?
Yes
IC1000 operates
normal?
YES
Replace the VSC B/D
- 23 -
No
Set on speaker in menu.
No
Check the Speaker
Cable.
No
Replace the IC1000
(NTP3000A)
LGE Internal Use Only
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