Question about GE 31GT740 31" TV

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Pop and hiss

I went to turn on my TV and it gave me a popping, hissing and bursts of "sparking" in the lower right corner. I had to unplug the TV to turn it off.

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Sound not so good. You probably have a bad flyback transistor and now the power supply is fried also.If your lucky all youll have to do if your a tech and only if your a tech is to replace the Hi voltage transformer and the horizontal output transistor. Now these sets have high voltage still around there componets even when the sets unplugged, so please if you wanna invest in the set take it to a pro to assist you in this repair. Good Luck

Posted on Jun 08, 2006

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Posted on Jan 02, 2017

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Have a phiips tv had it in storage for over a year turned it on an the screen working perfectly but there a hising noise coming from the back of it do no what it is... Its a big bk tv not flat screen box...


hissing noise will be from high voltage regulator, i would suggest to do following:

1. switch tv off
2. remove plug from the wall
3. using air blower (compressor attachment - not leaf one!) blow the dust, especially from high voltage box section
4. connect the tv and switch on

if tv still issue hissing noise - follow 1 and 2 then:
3. remove back cover
4. use air blower again...
5. re-install back cover
6. reconnect tv and switch on

if hissing noise persist - check for blown capacitors on high voltage, replace if necessary, they have nasty tendency to pop if they are too long in storage, especially if tehy were overheated or frozen.

hope this will help you solve the problem, do not forget to vote...

Jan 27, 2015 | Televison & Video

1 Answer

Burnt smell


Check the main power supply regulator section for faulty component/s. The sound you heard might be of a bursted electrolytic capacitor at the power regulation stage circuit, due to some spikes in the input AC voltage. Open the TV and check this section. Be sure to unplug the TV from AC mains wall socket, before open it.

Jul 23, 2012 | Zenith B36A24Z 36" TV

1 Answer

Hissing noise,sound goes off and and i have to turn t.v off and turn it back on


This is a protection circuit that prevents the tv from coming on (to stop damage of the components) ....you need to check your voltages off the power supply and make sure they all read well (EX: 24v12v5v etc). Also look for popped capacitors that would make the values lower than need be for the tv to power on properly.

The hiss is a popped (blown) capacitor! You need to replace it before you keep trying to power on the tv...you will cause more damage

Please rate if this helps!


Mar 07, 2011 | Samsung Televison & Video

1 Answer

My 91 ford f150 wont start up , my wife said she went to start it it was hissing and the engine started shaking then made a pop noise, I checked the battery and battery cables the battery cables where lose...


Could be a shorted out starter, or starter solenoid. If you dont know how to check or repair, maybe have ot towed to a repair shop. It may seem expensive, but its cheaper than guessing.

Nov 12, 2010 | 1991 Ford F150

1 Answer

Garmin Rino 530 radio noise even with squelch turned up. Hissing


Are you carrying a cell phone with you at the time? A cell phone can interfere with these units. You may want to call Garmin to ask questions on this problem. They are very helpful and professional.

Dec 30, 2009 | Garmin Rino 530 GPS Receiver

2 Answers

Peugeot 306 won`t start off ignition


check your glow plugs they may be damaged or dirty

May 25, 2009 | 1991 Peugeot 405

2 Answers

DVI-->HDMI cable causes tv speakers to hiss and pop


DVi to HDMI. ? hmmmmm

I recon you spend £49.99 and get a DVI & Audio to HDMI Converter. This will resolve the issue

Nov 26, 2008 | LG 42LG50 42 in. LCD HDTV

1 Answer

RCA 52 inch


three strikes and it's out... rca does this, it is just showing it has tried 3 times for you and untill it is unplugged it won't try again.. you need to provide model #.. could be a few different things
hissing usually meens you have high voltage...that's good but then what don't you have?
ctc 169 - 179 could be high voltage divider... need more info

Oct 17, 2008 | RCA R52WH73 Projection Television

1 Answer

Archos 605 Pops/Hisses when connected to Wifi


Contact Archos support and they can provide you the file to repair your disk. Once you have the file stored on your computer, you will then hook up your Archos via USB and copy the file they provide you to the root of the Archos.
The direction I got when trying to fix my pop/hissing
"If you power on the unit by pressing and holding the TV/LCD button and power button simultaneously the unit will boot into a recovery screen. Once in this screen choose "Repair Disk" and follow the on screen instructions.

When prompted, please place the following file into the 'root directory' of
the unit:

http://update.archos.com/5/a605/a605_r2.1.04/firmware_a605.aos
"

Hope this helps.

Aug 09, 2008 | Archos 605 WiFi Digital Media Player

1 Answer

Sanyo TV DS32224


Is the hissing or static sound comming from the speakers or from the back of the set itself?? Need more info please.

Mar 23, 2006 | Sanyo DS27910 27" TV

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