Question about Insignia Computers & Internet
Isolated to inverters by shining light into display, can see movement.
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Posted on Jan 02, 2017
hi sir here is my solution for you now turn on the unit then check the out put voltage of the power supply if all present the 5v stand by, 5v switch, 12v and 24v. and then check the inverter ON voltage around 3.3v going to inverter board as will as the 24v supply, make sure those voltages are present. check also for bad component at T-con board which drive signal going to panel display the 5v to 12v switch by a transistor at logic board must be present. now if those are present and working fine you have a bad main board which drive all the signal as will as the audio. hope this may help feel free to ask further question. thanks for consulting through fixya good bless.
Posted on Aug 16, 2011
SOURCE: i have an insignia ns-55d420na16 sound YES, picture NO. i have diagnosed: and have narrowed: to either the backlight inverter board or the led itself. is there a way of knowing which IS the issue?
Shine a flashlight on the screen while the TV is on. If you see movement then the Inverters are gone. If you don't get a dim picture then the T-con board is bad. You can get parts here: TV Parts Universal TV Stands DLP Chips ShopJimmy
Posted on Aug 30, 2016
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