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Feb 25, 2015 - Uploaded by Awesome Things
JVC LT-46AM73 LCD TV won't turn on after power outage. ...LCD & LED TV Repair - No Image & Blank Black ScreenFlashlight Test - How to ...
suspect line voltage could be too low. suggest getting it tested to see what voltage is at outlet .May be brownouts or one phase is missing in street power lines. I had this happen a fuse on the power pole in street blew and the voltage was low to my house until power company fixed fuse. How old is the wiring in the house it may need checking if old as well as switchboard by an electrician.
This problem may be a warning sign of future wiring problems in your house !
Unfortunately, your unit has a built in microprocessor that is very susceptible to electrical interference like power outages and lightning. JVC recommends that you unplug and plug your unit back in like that's going to work. Might be time for a new unit.
Check and replace its main power regulator board. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
Pull the plug and with the power disconnected hold the power button on for 60 seconds. After at least the 60 seconds plug the tv in and try to start it. If it works great if not , hold the power button in the on position for a count of 20 with the tv plugged in . If theres still no Joy try power with one of your volume buttons at the same time . One of these should provide a hard reset for the tv.
Try unplugging the TV.. After you plug it back in it may be OK. I had a similar problem were I could not turn on the TV (JVC). The owners manual specified in the troubleshooting section to unplug for 1/2 hour. I left it unplugged overnight and the next day plugged it in and it was fine.