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No picture tv sreen lights up half when you turn it on then goes black. voice is fine

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Sounds like the mainboard is damaged.

replace the mainboard and that should solve your problem.

Posted on May 27, 2009

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Posted on Jan 02, 2017

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I have a RCA L32HD31YX12 TV. The TV works fine for a half hour and then the screen flickers and goes black. The sound continues. If I turn the set off for a half hour, it works again for another half


You have answered your own question, someone needs to open it and find a loose plug or broken solder connection--if it reacts to being tapped on that is the issue- a physical problem inside.

Dec 05, 2012 | RCA Televison & Video

1 Answer

Sometimes tv sreen comes on then goes black, in the right lighting you can see the barely see the picture, other times the screen wont come on. either cse the sound works fine


Sounds like the backlight or backlight inverter is out on your TV.
You will likely want a seasoned professional to repair this for you assuming the TV is out of warranty.

Sep 05, 2011 | Samsung LN-S4051D 40 in. LCD Television

2 Answers

My Sanyo 42" flat screen


There is a problem with the board of your television.That problem is in vertical section, theres a leak capacitor at the vertical section of the board.Its better to replace all the leak capacitor to make the picture back to normal appearance.If you can't do the repair or replacement of of capacitor try,Call a repair technician to do the repair or troubleshooting..Thanks..

Aug 25, 2011 | Sanyo 42 in. LCD TV

1 Answer

Lg lcd tv picture goes in and out with "boxes" on the screen


This sounds like the power supply that feeds your back-light is going out. This repair should be done by a qualified technician

Mar 13, 2009 | LG RZ32LZ50 32 in. LCD Television

3 Answers

No picture, sound ok


I have a similar issue. Sometimes the entire screen goes black and sometimes only one-half - either the top or bottom half goes black. The only solution we have found is to gently tap the TV (usually the front side) and the picture will come back for awhile. It almost seems heat related as it only goes out after the first 10 minutes of use. There must be a fix to this.

Aug 25, 2008 | Philips 42PF7320A 42 in. Plasma HDTV

1 Answer

Tuning problems


it is due to loose contact near 1 anrena or cable socket. 2 cable wire loose. 3 loose contact near tuner. 4 tuner b+ line or agc line loose. 5 horihontal hold tunning is not proper.or control loose. hope this will help. good luck.

Sep 27, 2007 | RCA 32V550T 32" TV

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