Question about RCA R56WH76 Projection Television

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When i go to turn on the tv there is a brief buzzing sound and then the tv goes off. then does it again three times. No sound or picture either!

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Replace the deflection board. You can get replacement deflection board from www.tvrepairworld.com

Posted on May 26, 2010

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Loud buzzing sound from tv with no picture


It sounds as though your SMPS is seriously faulty and normally one can buy a kit to correct the problem if you are a TV engineer, however there could also be many other reason for the condition that you describe its almost impossible to guess correctly, it really needs a qualified engineer to assess the problem along with he or she having the set with them.

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1 Answer

TV turns on then cutts off


that buzzing is the high end power trying to turn the lamp on.... the electrical current and shock is what turn your lamp on your tv which is what the buzzing is dont worry thats normal...however your solution is buy a new lamp for your tv but make sure its the right serial number for lamp u cant just buy any lamp. best place to buy one ebay.... as in the lamp still trying to light up its only because the electrical current going into the lamp and then cutting off causing the red light on your tv....so other words all it is is the lamp... CAUTION!!!! those lamps get up to 400 degrees unplug tv to ensure no electrical current.... hope i helped.... JACOB WINKLER

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Hi, I Purchased an LG 50PK350 plasma tv and I am experiencing an extremely loud, annoying buzzing sound even with the amp switched off & the sound muted. The buzzing is not constant ... the brighter...


I have this tv aswell, and yes I will confirm that it does buzz quite alot, but all plasma tvs do, it is to do with how it renders images, the buzzing can be made worse by it being close to a wall and it reflecting back. I found that my tv stand some how amplified the buzzing when i got mine. I dont think its something you can escape.

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3 Answers

Picture goes black after buzzing sound


Ur tuner board is defective.Replace the tuner board will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish tuner board for the replacement.

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1 Answer

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hay friend take tyme and resolder all capacitors if sound contine cheak all capacitor with multimeter changeing sysstem storeing of power dischargeing loose connected if not noise sencer ic is overflowing too much presure volte

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All symptoms in your TV shows that you need to replace its Lamp as it has been consumed its life hours and TV requires new lamp. Lamp can be obtained from Sony Website. Price is $200, Hope this info will help you to enjoy your Sony TV in coming days.

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http://www.fixya.com/support/t860220-screen_blank
As in almost all lcd type tv/monitor the backlight will go out and the inverter should be replaced at the same time. Your cost about 50.00 if you do it yourself.

Take care
Kevin

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TV turns off


That sounds like a power board problem if im not mistaken where your power cord plugs into the tv there is a board it connects to often times if u plug the tv in and it starts itself or turns its self off its the power board that needs to be replaced which btw is not cheap at all

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