Question about Insignia IS-LCDTV32 32 in. Television

1 Answer

Sound The sound turns into a rainy sounding noise about 1/2 hr after turning the tv on.The remote will not work and the sound goes completely.

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  • Lou 700 Dec 24, 2007

    The only thing I could do is vacuum the TV.I cannot go inside.

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  • 4,102 Answers

Hi your problem is going to be a solder problem either caused by the unit over heating ie by the air vents being blocked with dust or a build up of dust around the amp part of the unit.
The first thing to do is get the schematics for your make and model try using search engine to search for one you should be able to find one.
If you fail to find schematics diagramme then take the back off the telly and follow the speaker leads till they get to the board then have a look around this area probably need magnifying glass to look properly.
You will need to check all resistors around this part of the board and also look underneath at the solder points on the board as your problem sounds like that it is getting hot then the solder is not connecting properly and disrupting the circuit.
But because of this all resistors will need to be checked around this area as the solder shorting and not giving proper connection this will cause resistors to blow check these for swelling or burning.
The chances are it is going to be a solder problem but this will need locating and re soldering.
But remember that a telly is live for 24 hours or more after you switch it off and unplug it so beware of this as a short could destroy the telly.
If you are unsure what you are doing please leave it to a pro as you could destroy the whole unit also you will need a good fine soldering iron and correct solder and make sure you only solder the bad point as geting solder on anything else will cause whole unit to short.
So please leave to expert if you are unsure as experts will have equipment to test the board and find where the bad solder is.
As the problem only happens after a short time then it is going to be a solderr problem if you need further assistance then let me know ok

Posted on Dec 24, 2007

  • paul proctor Jan 03, 2008

    Hi after researching your problem through a repair shop they said it will be a solder problem on the amp part of the circuit board because if it was a blown resistor then you would get the problem strait away when you turn the telly on but by what you are describing its happening after the telly has got to temperature and then overheated you will need to get this looked at if you are unsure yourself what you are doing as its difficult for me to talk you through it without having the telly in front of me but if you dont get repaire it could destroy the tellys board and then the whole board will need replacing

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