LG 42PG3000-ZA - Page 23

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