Question about Audiovox VE-720 7 in. TV/DVD Combo

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Hissing noise and snowy picture

My tv has a hiss in the back ground noise and sometimes it will switch to air, from cabl, by itself and snowy picture the high channels are worst.

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Sent it to be repair

Posted on May 10, 2008


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Posted on Jan 02, 2017


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Just purchased a Panasonic sound bar and Samsung tv. The sound bar is hissing at low vol from one end. Should I return to the shop or is there a setting issue?

I would check your cable connections. If you are using an analog Red & White connection flip the red and white connections and see if the hissing sound changes to the other end of the sound bar. If it does then try new cables.
If you are using a 3.5 mm Stereo headphone plug then try a new cable and see if the hissing vanishes.

If the hissing doesn't change then take the soundbar back it is likely a defect in the internal wiring., either bad grounding or a short in the wiring.

Jan 14, 2017 | Samsung Televison & Video

1 Answer

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

Cant get my 14" Craig TV to work anymore.

Check the connection at the back of the TV. During moving, any of them might got loose. Check it. As the TV has snow and hissing sound, there is no fault with it. The fault must be to the cable or antenna connections.

Jun 05, 2012 | Televison & Video

2 Answers

Rear air suspension on 90 lincoln town car won't raise when air compressor pump is running you can hear a hissing noise at the rear drivers wheel when you jack the rear of the car the air bags inflate not...

Some of the Vehicles with Air Suspension require the Pump to be shut off , before you lift the Wheels, off the Ground. The hissing noise indicates the bags ruptured and need replaced, at the very least. If there is an air suspension Cut-off, it is usually right front Kick Panel Location. If not you made need to pull a Fuse. Without a Manual, you are kind of hosed. Buy a Manual , for around $30, at the Local Parts Store.

Jan 03, 2018 | Lincoln Town Car Cars & Trucks

1 Answer

There is a hissing noise in back of tv and picture goes on and off zenith d36d51

Hissing noise and picture on and off means faulty flyback transformer, it has a small crack and voltage is leaking out, replace the flyback, if tv still not working replace horizontal output transistor (broken flyback could blow the transistor).

Aug 09, 2009 | Zenith D36D51 36" TV

1 Answer

Hissing noise from Philips 42PFL3603D/27

Turn on the Viewsat 2000 first and after 20 seconds, power on the Phillips42.

Aug 01, 2017 | Philips Televison & Video

1 Answer

Speaker hiss with TV only

Hissing sound caused by input section RCA cables defected grounding maybe loosed or the RCA cables are defected already replaced it with new RCA cables so hissing sound is gone.

Hope it may help you;


Oct 11, 2008 | Denon DHT500SD System

1 Answer

Sylvania Fridge Problem

This may be the refrigerator itself making that hissing noise, which is not uncommon.
Please provide the make and model number for the unit.

Mar 04, 2008 | Refrigerators

1 Answer

LED display is not working

i get a hissing sound and it change from cabl to air by its self and picture is a little snowy too.

Dec 29, 2006 | Audiovox VE-720 7 in. TV/DVD Combo

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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