Question about LG Televison & Video
I've been able to consistently fix the issue by unplugging both the powerboard and the Y-sus board whilst in standby mode red light, then I turn it on once with the remote that gives me sound, turn it off with the remote and back on that gives me sound and picture. Any thoughts on what is wrong
Posted by Anonymous on
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Posted on Jan 02, 2017
good grief - my TV just did the same thing - its locked in standby mode - I disconnected power several times - each time i reconnect the green light comes on for about a minute 9nothing happens on the screen) and then returns to the stanby mode
Posted on May 18, 2008
the high voltage or flyback transformer is not working.the sound runs off a separate fixed power supply.if you run your hand across the screen,is there static?that would mean the high voltage is ok but there is another circuit fault
Posted on Jul 08, 2009
Sounds like it started "Protection Mode" because of a failed electronic part inside the TV. When this happens, the TV will keep turning itself OFF or will not turn ON at all. This keeps the other parts inside from being damaged. Most likely the TV has a power supply related problem.
The common part to go bad for flat panel screens circuit board that powers the screen itself. Most manufactures call it a Backlight Inverter Board.
But, I can't say what is 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.
You have a few choices:
1. Best thing to do, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, schematics, test points, and part# lists.Usually, cost under $20. Its the best repair guide material for fixing TVs. And most cases the new part cost less than $15 by searching on the internet with the part number.
2. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.
I hope I shed some light on the subject for you.
Posted on Jul 21, 2009
Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.
Posted on Nov 24, 2009
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