Question about Sony FD Trinitron WEGA KV-36FV27 36" TV

1 Answer

High pitched whine coming from the back of the tv, inside

Hello, There is a high pitched, very annoying whine coming from inside the television. It's been going on for about a year now, and first it would only sound if the TV was on all day. Shutting it off for a period would solve it...until the next time. Then I moved and it seemed to go away. But now it's come back and the TV doesn't have to be on for a long time for it to sound. Please help! Thanks in advance Mike

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.


    An expert that has over 500 points.


    An expert who has answered 200 questions.

  • Expert
  • 375 Answers
Re: high pitched whine coming from the back of the tv,...

Possible coil vibration look around the yoke plug try to isulate the noise to a section of the board the is acommon fault/if not call for service not pricy.

Posted on Mar 28, 2008

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

My rca tube tv has a high pitch whine when i plug it in no picture also

Hello you have a shorted Horizontal output transistor, also if you replace it also have the Flyback transfromer replaced also, these parts work in conjunction with each other, and if one goes bad its best to replace them both.

Dec 20, 2009 | RCA F32650 32" TV

1 Answer

High pitch whining,

Ur flyback transformer it have cold soldier or is dead.U also could have prob. with ur power ic inverter board too.

Aug 16, 2009 | Sony KV-32S45 32" TV

1 Answer

RCA F32650 production May 2003. Was working fine. Turned it on the next day, got no picture and a high pitched whining noise.  Please let me know what I should do to fix it.

If it weren't for the high pitch whining noise. I would say it probably is an internal fuse inside the chasis. It is rated at 1.5 to 2.0 amps. With the whining noise it sounds like a trouble shooting bench
job. Problems occur when a electrical/electronics device is turned on and turned off. Inrush voltage,
when it is turned on, can go up to three times more than normal. This also happens at turn off. Solid state components usually fail at this time. I don't feel that this is a problem that can be fixed in the home.---BBB

Jan 25, 2009 | RCA F32650 32" TV

1 Answer

RECOR COLOR TV dead high pitch whining noise

you have a short in the horizontal ckt,look for diodes,horizontal output it might be damage or a bad cap, if not the fly-back transformer is gone.

good luck

Oct 20, 2008 | RCA F32650 32" TV

1 Answer

Samsung SlimFit 30" high pitch whining noise

I have had the same high pitch tone problem for several months after about 20 minutes of use. It is so bad it's rendered the TV almost unwatchable. I contacted a repair place from Samsung's website. I was told that is likely the flyback transformer. I don't know what it is, but it sounds cool like a flux capacitator. I was told it would be about $100 to fix. However, I have had very little luck getting the repair shop to order the part and do the work.

Sep 04, 2008 | Samsung TXR3079 TV

1 Answer

High pitched whine when the motor starts

Had the same problem. It quit within about 5 seconds after turning the TV off. Replaced the color wheel and the whine is gone. The picture also looks brighter, which may be due to dusting the projection lens with lens-cleaning compressed air (from a can). The color wheel was about $100 from Samsung parts and it took less than 3 hours to replace. See for good info, and be sure to read the cautions.

Aug 07, 2008 | Samsung DLP HL-P5663W 56" TV

3 Answers

An Annoying High Pitch Sound

Can be either noisey yoke or noisey flyback transformer........T.

Dec 12, 2007 | RCA F32450 32" TV

1 Answer

Occasional 'whistling/whining' from back of TV

I wonder if there is enough air circulating around your equipment?? My DVD recorder makes a sound unless I open the doors on the cabinet that contains all of my equipment. The cable company says it is a fan to cool down the units.

Jan 30, 2007 | Bush WS6671 28" TV

1 Answer

Sanyo DS31520- high pitched whine, picture is fine

sounds like bad solder connections on ground of the inputs radioshack has a cheep solred gun and solder make sure set is unpluged

Dec 03, 2006 | Sanyo DS31520 31" TV

Not finding what you are looking for?
Sony FD Trinitron WEGA KV-36FV27 36" TV Logo

Related Topics:

142 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sony Standard (CRT) Televisions Experts

The Knight
The Knight

Level 3 Expert

66518 Answers

Jaime Hernandez

Level 3 Expert

2267 Answers

matt martin
matt martin

Level 3 Expert

1187 Answers

Are you a Sony Standard (CRT) Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides