Question about Insignia NS-LCD47HD-09 47 in. LCD TV
Has checker board screen then shuts off
Posted by Anonymous on
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Posted on Jan 02, 2017
I unscrewed all the screws in the back, detached the tv from the base, and was able to get the back off. I ordered a new power supply board and will install it to see if it fixes the problem with the tv (won't turn on, insignia light alternates between red and blue). I didn't notice any problems with "swollen" capacitors, so if the new power board fixes the problem I'll update this website.
Posted on Jan 28, 2009
This is a problem that should be taken in for service as there could be many problems causing the problem. The power supply could not be supplying voltage to run the video card or you could have a failure in the video card itself. Try calling this number for Insignia Customer service help. 1-877-467-4289. Hope this helps you with your problem.
Posted on May 13, 2009
Check all connections first,try agian.After that Change the LCD Inverter board might also dead.The inverter help backlight to screen to come on.
Posted on Jan 13, 2010
Look at the power supply, see it you can actually see any damaged components first, check the main AC fuse, burnt parts, etc.
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:
Please post back what you find.
Posted on Jul 21, 2010
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