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Aric, Technician
Category: TV
Satisfied Customers: 44949
Experience:  15+ years in the field. Owner of AV Installation, OEM and Repair company
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What would cause tv to lose picture but keep sound?

Customer Question

what would cause tv to lose picture but keep sound ?
Submitted: 1 year ago.
Category: TV
Expert:  Aric replied 1 year ago.

Hello and sorry you're having problems. In order to determine what's causing this, I need to ask you for more information.
1) How long have you owned the set for and when did the problem occur?
2) What is connected to the TV for sources (cable box, DVD player, etc.), and does this issue occur regardless of which source you're viewing from?
3) If you press MENU using the original TV remote, or the MENU button on the TV itself- does the MENU display normally?

Expert:  Aric replied 1 year ago.

Do you need assistance with this?

Customer: replied 1 year ago.
either last December or 2013 not sure will have to check. bought and Dec 24.
connected to cable box and blu ray and dvd. no picture no matter source
Customer: replied 1 year ago.
already replaced the tv new on works fine
Expert:  Aric replied 1 year ago.

Thank you. The issue can be caused by several things, and no picture from any source means the issue is hardware related- either in the Mainboard or the LED/supply board. Now to narrow it down further, WILL the TV's native MENU display when MENU is pressed using the original LG remote?

If not, does the screen appear BLACK as if the set were not even on- or black but with a slight glow to the screen?

Customer: replied 1 year ago.
will have to check tomorrow and get back to you
Expert:  Aric replied 1 year ago.

Okay that's fine.