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Posted on Jul 25, 2011
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42` inch Insignia TV keep flipping chanels by itself, Im not sure of what to do...please let me know if there's anything I can do to fix it. Model# NS-LCD32-09

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  • Master 1,284 Answers
  • Posted on Jul 25, 2011
Anonymous
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If it continuosly changes up or down, look to see if the corresponding button on the TV is stuck. This can be a commom issue ; )

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Auto channel search is how your tv finds channels that are available. Under settings in the menu should be initial set up. There you will find channel search.
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I have sound and picture distortion (like what happens during a thunderstorm) in my 42 inch insignia lcd tv but not during storms. started about two weeks ago, happens intermittently. driving me nuts. is...

Your probably having what cable guys call a SNR ( signal to noise ) issue. There's no way to know unless you call your cable provider. The SNR should be 32 and above with zero pre/post errors. In case you want to ask the tech what they are.
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The screen is blue after the set is turned on for approx 20 minutes and then it seems to fix itself after it has warmed up. our set is a 39 inch; 1080p. thanks

That can be the problem on the main board not sending signals to the T-CON board. Dose it do this on all modes?
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c rating such as PANASONIC FM or FC series.
Please post back what you find.
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42 plasma made a loud pop then shut itself off when i try to turn back on it imediately turns itself back off

Could be a part that went in the power section. You are going to need to take it to the shop for repairs. So you want to make sure if you have any warrenty first. Then you want to check the repair cost estimate and you want to know what a replacement tv is worth. It should be worth fixing but you alway need to keep in mind that a new replacement might not be much more and it has warrenty.
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Was told need new lcd panel for insignia 42 inch lcd tv

buy lcd panel for insignia 42 inch lcd tv

er~

you can visit the :http://www.udtek.com/lcd-panel-c-9.html

hope it can give your some help
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Mine does the same thing but it also shuts itself

These usually have a good Warranty as this is a Best Buy product. They would be sure to fix it under the waranty if you take it in. They would be able to give you an estimate of repair if you take it in also. They may have a flat fix fee or possibly an hourly fee along with what the power supply or bad part cost.
Usually a power supply problem. 42" is still an expensive TV to replace. May be best to repair.
Blessings,
A/V Guy
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