Question about Insignia IS-LCDTV32 32 in. Television

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Insignia LCDTB32 will not stay on

Power on and TV flickers and goes off.  Will not stay on.

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Tresalisa,
This is a common problem with this particular model unit and the answer is to replace several bad caps on the power supply module, upwards of 16 caps may have and could fail. There are the main three 680uf/35v caps E919,E920,E921 that usually bow or vent near the regulation circuit, top left of the supply board, replace these even when they appear okay. The remainder can be found simply using an esr meter.
If you have no meter and still want to make the repair yourself remove the board and send it in for repair. That way you'll keep the repair with $200.00 dollars and you've pretty much done it yourself..
Bill

Posted on Apr 13, 2008

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Insignia 32 flat screen will not stay on. Power on and go right back out? What is the cause for this to happen?


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DC output voltages come out from the main power regulator board to your TV is abnormal. Contact any service technician to troubleshoot.
Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis.

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My Insignia TV model: ns-lcd26-09 starts flickering intermittently for a while after watching, quits after 20 minutes, then starts again.


Definitely sounds like a bad power supply. Especially if it's making any buzzing/hissing noises while it's flickering.
All Insignia products carry a two year manufactures warranty, which Best Buy will gladly service for you. If you're out of warranty, here is a link to a replacement part:
http://stores.orlandopc.net/-strse-3824/INSIGNIA-POWER-SUPPLY-UNIT/Detail.bok

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It'll turn on and run but it flickers the entire time. its happened before but quits after a while. this time though, it won't stop. any suggestions?


Best bet would be to unplug it completely and let it sit for about five minutes, plug it back in and turn it on, if it's still flickering there's more than likely something wrong with the backlight or the power supply. All Insignia TV's carry a 2 year manufactures warranty, so if it's less than two years old just take it to a Best Buy and have it serviced. It'll be gone for a few weeks, but either issue is an expensive fix.

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Tech.said it is my power supply.on my 42 insignia tv,tv screen stays black.what do yuo think?


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
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  • TV is making a clicking noise.
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  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

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