Question about RCA HD56W58 56" HDTV

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I can turn the set on but it doesnt put out any picture,and it makes a high pitched ringing sound

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  • RCA Master
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Ur high voltage is dead,the FBT the big block of plastic with a red wire hook to a board.That thing is dead.U know how to solders,Website, Tv repair World.com buy the part.

Posted on Nov 13, 2009

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Funai tv. When plugged in, makes ear piercing high pitched buzz that goes away when unplugged. Will not respond to buttons. No picture or power. Already replaced power board. What now??


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My tv powers on displays the LG logo then makes a high pitched squeal sound from speakers and then flashes on screen (strobe light effect) does not display picture or sound.


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1 Answer

Toshiba HD ready TV ct 90158 makes high pitched sound


A high pitch sound can be a capacitor losing power it would sound a bit like a fire work. most have back up on the board but it put more pressure on them the more times you use the tv. would check them and replace. all of them can be 5 in a row in some models.

Oct 23, 2013 | Toshiba Televison & Video

1 Answer

High pitched ringing sound from my tv


It most likely is coming (based on model number listed here) from the high voltage transformer---ways to silence that up to and including replacing that part.
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1 Answer

DS lite's wierd noise.


when it rings is it your birthday? if so then thts the case cuz when its your birth day the opening ring sound high pitched

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1 Answer

High pitch pulsing & picture now


I would check the set for bad connections. The high pitched sound you are hearing is the high voltage section. If the convergence IC has completely failed, that can cause this as well. Try using STK392-150 or STK392-180. Either one will sub since they are pin compatible and they both can handle more power, thus should last longer. Also, make sure that you use plenty of the heatsink compound when mounting these.
Dan

Jun 26, 2008 | Philips 43PP9202 43" Rear Projection...

2 Answers

High Pitch Sounds


In this model the horizontal drive coil vibrates and makes a high pitch squeal. Most times it is intermitent. Touching on the coil with something (non electrical, like wood) will make it stop or change it's pitch. The fix my shop uses: It's not to technical, but, we put fingernail polish around the coil. It's a remedy I've used for decades and has always worked. Some shops use a hot glue gun. With the back open you can hear the coil to locate it. When fixing the problem have the set unplugged. When a technician is working on a television while it's plugged in. He uses only one hand and stays away from the high voltage.

Jun 25, 2007 | RCA HD52W59 HDTV Projection Television

1 Answer

High pitch sound and fuzzy


The high pitched sound, probably not, unless you open this TV set and find out what is making the noise and replace the part. Most likely a coil or transformer is vibrating so fast that the frequency is very high. On the focus, possibly can be adjusted. Now when you take off the back of this TV set, i must warn you, follow my instructions to the letter as there is enough High Voltage in this set to make a grown man cry! After you take out all of the screws off the rear cover,carefully lift up the cover straight up. Oh by the way the TV should be face down. Opps! Not stand back up the TV set and there will be a Grey or black block like looking thing with a large red wire going to the top of the picture tube. on this block you will find two controls, one will say screen, and the other will say focus. DO NOT ADJUST ANYTHING ELSE WHEN YOU ARE IN THIS TV SET!!! No slowly rock the focus control back and forth till you get the sharpest picture. Put back on the back cover and enjoy!!! Good Luck

Jun 13, 2007 | Samsung TXJ2879 28" TV

1 Answer

High pitch ringing noise and picture distortion


Sounds like the capacitor that goes bad just before the hIgh Voltage transformer goues bad. If i were you I would call an authorized RCA repair Shope and see if this is going to cause more damage to your set in the future.

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