Question about Televison & Video
Hi, I experienced a freak lightning storm while gone at work and now my 42" LG LCD TV will not turn on. When I plug it in, it makes a high pitched noise and the power button stays lit (red). When I press the power button to turn it on, the TV does not respond. Can anyone tell me if my TV is repairable? Or is it a total loss?
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Posted on Jan 02, 2017
how old is your plasma TV? try check the switch / volume of the sound settings.. Sometimes, when you always increase the volume, it will tend to alter the limit of sound and causing the sound to provide sound undesiredness. I suggest to check it with a liscensed technician.
Posted on Feb 05, 2008
This might be from the IHVT (Integrated High Voltage Transformer), or more specifically a short in the IHVT causing it to arc, producing the high pitched whine, you are hearing. Take the back off of the TV and try to detect where the sound is coming from, more then likely you will notice it coming from the section that contains a large component with a large red cable coming from it, to the top of the CRT (picture tube). Replace the IHVT (with the exact same model) if it is bad.
I hope this helps,
Posted on Apr 07, 2009
it is the power board in the tv hase some bad capasators in it but can cost some money to fix if unsher how to do it on your own if you live in central new york i do have my own shop and im cheep but i can not warenty any thing but i can help 315-280-0508 storm electronics ask for corey
Posted on Aug 04, 2009
Tips for a great answer:
Aug 16, 2014 | JVC LT42E910 LCD, 42" 1080p LED -
Apr 17, 2013 | Hitachi 42HDT79 42 in. Plasma Television
Oct 22, 2012 | Vizio 42 in. LCD TV
May 25, 2012 | LG 42LC2D 42 in. LCD HDTV
32/42/47/52LG70, 42/47LGX, 47LG90,
50/60PG60, 50/60PG70: To get the the best
picture quality, adjust the PC graphics card to
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Jun 15, 2011 | LG 42LG30 42 in. LCD HDTV
Sep 09, 2010 | Vizio 42 in. LCD TV
Oct 04, 2009 | Emerson EWL3706 37 in. LCD Television
it is high voltage section failure
better call skilled tech to fix it.
Oct 15, 2007 | RCA F32450 32" TV
Jun 25, 2018 | Vizio Televison & Video
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