Question about RCA 46LB45RQ 46" LCD TV 1920x1080, 60 Hz, HDTV
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Posted on Jan 02, 2017
It is the capacitors on the power supply...They blew on ours...took it in a they replaced 7 for less than 100.00. Common problem with this tv because it gets hot. Hope that helps.
Posted on Nov 25, 2009
SOURCE: WON'T TURN ON
Ur controller board it dead,the one in the middle bottom of LCD screen.It a small square board.Replaced this board should have sound and picture back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish Controller board for the replacement.
Posted on Apr 13, 2010
I just experienced the same exact problem, and like most, I went googling for advice. It turns out that my local audio/video store that handles RCA has almost a 100% success rate on knowing what causes this.
This is a power supply problem. When you have all three occurrences (no screen, no sound and no backlight) it makes sense. We usually are too ill-informed (and usually angry at the time) to calm down and think things out on the simplest of levels.
Invariably, there is a known anomaly for inferior capacitors in a lot of American-sold products. This usually gets cast off as "It will cost more than the TV is worth". Not true, though many of us go buy a new TV, anyway.
I'm glad I took the time to find out my TV was repairable for under 50 dollars by having the bulging capacitor in the power supply replaced.
Sometimes advice is only as good as you pay for it, I suppose, but sometime you have to slow down and make a decision that has a real voice or a real face on the other instead of clicking the spammy writers in here.
Posted on Jul 11, 2011
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