Question about RCA 35V432T 35" TV

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Rca tv makes hi pitched whistle when plugged in.

No picture or sound. can't turn on or off with remote or on tv button. help

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  • RCA Master
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You have a bad horizontal transistor and a possible bad flyback transformer! These two components are indicating a short in your horizontal deflection. Thanks for asking!

Posted on Jun 06, 2010

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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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Jan 21, 2016 | Funai Televison & Video

1 Answer

I have a RCA projection TV. The picture and sound are fine. After the TV is on for a bit it starts a highe pitch whistle. The picture and sound continue to be fine. What is the problem and what can I do to...


Most likely the color wheel is starting to go bad adn when they do they get a high pitched whine sound coming from the bearrings on the wheel. Might want to look at getting a replacement before it quits. When they die you can't watch your tv till it is repaired.
thanks

Jul 22, 2011 | Televison & Video

1 Answer

When i turn on the tv, it makes a high pitched sound every couple seconds coming from the back of the tv, (not the speakers) and the screen is black.


hi there !
what You'd just heard was the flyback singing or the High frequency whistle at the high voltage section of your tv set it is located inside, Replacement of defective component will do solve your problem, thank you

Dec 25, 2010 | RCA 20F512T 20" TV

1 Answer

No pix/sound, just high pitched whistle


Ur tv the high voltage it dead,the FBT,the flyback transformer.The big black block of plastic with a red wire with a black cap that hook up to the CRT(tv tube) is dead.The FBT,flyback transformer needed it to be replaced to solved this problems.Call the shops,take estimates for the best deal to do the repair.This is one of the main part of the tv to put HV in CRT(tube tv).It pretty hard to find this FBT these day,because of the discontinue of making of Amalog tvs.

Jun 06, 2010 | RCA 35V432T 35" TV

1 Answer

Same problem, high pitched noise over regular sound and no pictur


No guarantees with this diagnosis. But it sounds like an HT ( high tension) leak This is often caused by the lead becoming partly unplugged ( being bumped or moved) and because of dust buildup it arcs making a high pitched hissing whistle.Ther lamp may also have been affected by the HT leak. The safest option for you is to call a service technician to it, as opening it up could cosntitute a a danger to the unskilled.

Aug 12, 2009 | RCA HD56W58 56" TV

2 Answers

No picture no sound just a whistling noise


maybe the flyback transformer or horizontal output ic

Jun 01, 2009 | RCA 27R411T 27" TV

1 Answer

RCA HD61LPW42 - no picture


I haven't worked on an RCA DLP but have on Samsung DLP, based on your description it sounds like the color wheel is bad. Take the back off and turn on TV make sure its not a fan making the noise ,but most likely its the "wheel" it is inside the light engine probably right next to where the lamp is plugged in. If the whine comes from this area definitely the wheel.

Apr 26, 2009 | RCA HD61LPW42 61" Rear Projection HDTV

1 Answer

RCA F36650 Television . . .


It can be repaired. It sounds like a bad high voltage transformer or something in that circuit. I would take it to a TV shop and ask for an estimate. It might be costly to repair.

Apr 16, 2008 | RCA F36650 36" TV

1 Answer

Television won't power up


It sounds like the high voltage circuit got damp and arced. This arc caused the horizontal output transistor to short.
You might try replacing the output transistor if you're experienced in this type of repair. If not then you need to take it to a repair shop.
The "whistle " you're hearing is the power supply indicating that it has a short on its load. When the power supply has an over load (short) its frequency drops down when your ear can hear it oscillating. This type of power supply is a switching power supply normally operating a several thousand hz(cycles) which is out of range of human hearing.

Stargazer

Mar 15, 2008 | Televison & Video

3 Answers

TV screen wont turn on but just a loud noise coming from the tv


I think maybe the G-board needs to be replaced. A TV shop will have to repair it. They normally start around $200.00

Jul 02, 2007 | Panasonic CT-32G23 32" TV

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