Question about Insignia IS-LCDTV32 32 in. Television

3 Answers

Insignia IS-LCDTV32 Intermit picture and sound

My IS-LCDTV32 just started dim picture on about 1/2 to 3/4 of the screen going black and then comming back dim, sound goes in and out along with it. The other 1/2 to 3/4 of the screen is black constant. PWR LED light on the front is Blue.

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  • sirrod Feb 27, 2008

    Astro,
    I figured as much but would the backlight cause the sound problem too? I've never ran into that before. Insignia wants $350 bucks to send a repairman out to fix the problem, so that's not an option. LOL I plan to fix this myself, as I've done on plenty of other LCD TV's and Displays but I've never ran across both sound and picture like this.
    Thanks,
    Rodney

  • sirrod Mar 19, 2008

    Well for paying for this support, I don't know any more than I already did. Anyone can tell you to call a service tech and check your warranty. I need some ideas here, that's why I signed up. If I had warranty availability or wanted to pay $350 for a service tech to repair it I wouldn't be asking for solutions or cause and effect here.

    Someone please help I don't mean to sound rude just frustrated with this and the responses.

  • Anonymous Mar 21, 2014

    The screen is constantly dimming itself

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I would concentrate on the power supply section. Look for bad filter caps or bad solder connections. The 5V line should be good, but check for the 12V lines as well as the higher voltage lines.
Dan

Posted on Mar 19, 2008

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Hiya! Unfortunately, sounds like a backlight problem. I recommend contacting Insignia at 1-877-467-4289 to advise on warranty (or out-of-warranty) repair service.

Good luck!

Posted on Feb 27, 2008

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Check for bad solder on convergence module. May have bad stk's. Do not neglect looking for bad solder on dsignal and defl boards. Some TV is very prone to bad solder.

Posted on Feb 27, 2008

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This television, appears to have had a failure in the mainboard. This is the board that controls the video functions and sound functions. The unit should be taken or sent in to a service center for testing and servicing. The service center will have all the correct service information to determine the problem for you. You can call Insignia customer support at this telephone number 1-877-467-4289. You can also got to the customer support website at www.insignia-products.com. Go to the support section and ask them for help on how to get service for your television. I hope this information helps you with your problem.

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If back light is on means this unit is having problem with panel (deffective.).
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Good luck
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