Question about RCA F25442 25" TV

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Tv went black and now it just hums or buzzes had to unplug it to get the thing to *******

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  • 69 Answers

The HOZ output tran is short . it cost
about 3.00-5.00 from a parts store
so if you have a shop repair it dont
let them carge you more than 60.00
for the repair.

Posted on Jun 28, 2009

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Posted on Jan 02, 2017

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SOURCE: Picture went out and all the tv does is make a buzzing sound

Is this set worth fixing. I have one with the same problem about five years old.

Posted on Dec 09, 2007

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1 Answer

I have a Crate CR212 it started to hum/buzz today. It would not play out any sounds other than the noise. I unplugged everything and still it hummed. I unplugged the unit, check the fuse and replugged and...


Are all the tubes lighting up? they should glow like dim light bulbs. If not, replace them with the same model type (12ax7, or EL34 for example).

Often there are two fuses, one to protect the speaker and another to protect everything, it sounds like the latter fuse may be burned out. take it out and take it to radio Shack for exact replacement.

Oct 12, 2013 | Crate Music

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I have a brand new Sony Bravia flat screen HDTV hooked up to Charter Cable. There is a constant background humming sound which is really annoying. If I turn down the tv volume (to where I can't hear the...


Hey, first thing that comes to mind is that your cables are faulty.

OR

your receaver (or what your tv is connected to) Is causeing the buzz.

Possible reasons: the device has a bad connection or bad signal. Or your powersystem is unstable.

Heres a text about GroundLoop.
http://www.epanorama.net/documents/groundloop/

If you need more assistance let me know!

Mar 11, 2008 | Televison & Video

1 Answer

PHILIPS 50 Inch HD DLP Projection TV the picture went out suddenly and there is not sound but a loud humming-buzzing coming from the set...any ideas on what could be wrong or if it can be fixed?


It's the optical block (color wheel) and the same thing happenned to our Philips 50" DLP. From what I've read, it's not worth the trouble & $$ to fix. Dig a hole!

Oct 16, 2010 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

My tv makes a low humming buzzing sound about 3/4 of the time. One quarter of the time it does not buzz. When it buzzes a line moves fairly slowly from the bottom of the screen up to the top continually....


there is a bad or what i call intermittant connection on the power supply board. when the bar and hum appears try firmly bumping with the palm of your hand the side of the set. if the hum and line go away then your set will have to go into the tv shop and the connectors on the p/s mod have to be reseated also the solder connections should be checked... this should help you a lot.

Mar 09, 2010 | Maxent MX-32X3 32 in. HD-Ready LCD...

1 Answer

Screen went B&W and I hear a loud humming noise from the TV...


Hi John,

If you are hearing this noises,that's your Color Wheel.
The reason fot that is because your color wheel spins 5000rpms(revolution per minute) and something that modifies the balance if the disc can cause different things.Unfortunately in order to check if your color wheel is working properly you need to open your TV and physically check out.

Grinding= Most probably the color disc is broken and you need to replace it.

Spinning / Buzzing = The bearing of the wheel is loose and is loosing its balance,eventually it will brake.

The best thing to do is to take the color wheel out and spin it ,if you feel that the disc kind of wobbles or doesn't spin smoothly you have to replace it.

You can check DM they have very good prices

http://www.discount-merchant.com/SearchResults.asp?Search=samsung%20color%20whee l?click=52978
I hope this will help,please keep us posted

Oct 05, 2009 | Samsung HL-P5063W 50" Rear Projection HDTV

1 Answer

TV makes humming noise, lamp light is blinking, does not turn on


Your color wheel needs to be changed. Mine just did the same thing. I changed mine, and the buzzing sound went away, however now my picture washes out with light or yellow colors. The darks look green and purple also.

Mar 28, 2009 | Samsung HL-R6167W 61" HDTV

1 Answer

TV WENT BLACK WITH BUZZING/SOUND


hi the problem is the picture tube of ur television has got damaged.. its better to replace a new picture tube...

Jan 24, 2009 | Philips Magnavox 27MS343S 27" TV

2 Answers

Buzzing sound on Vizio Plasma TV


likely supply failure or shorted pannel driver. u should be able to unplug the pannel boards from the power supply. if the buzzing stops than its the pannel boards otherwise its supply.

Dec 05, 2008 | Televison & Video

2 Answers

Picture went out and all the tv does is make a buzzing sound


The horizontal output transistor drives a transformer that gives you the high voltage to light up the picture tube,either the transistor or the transformer have gone bad,sometimes both have to be replaced and sometimes the transistor fails for no reason by itself.Be safe and call for help if you are not familiar with tv service.

Sep 20, 2006 | RCA F32450 32" TV

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