Question about Sanyo DP42849 42 in. HDTV
Wife calls me an tells me she hears a loud "Pop" and then a Shattering sound from the TV. No lights illuminated on the front (including the red Stand by light) is the TV dead or is there a solution to fix the problem
Sounds like a power supply failure, but you will need to get it diagnosed to be sure.
Posted on Nov 01, 2012
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Posted on Jan 02, 2017
I had the same problem and my tv was out of warranty. I took it to a local repair shop and they told me didn't work on that brand. They said they charge $300 minimum for labor, plus parts. So probably at least $500 to fix. Since I figured we had nothing to lose my buddy and I took it to our shop at work and decided to take it apart and look for any obvious problems such as blown fuses, burned components, etc. All of the printed circuit boards are connected to what appears to be similar to a motherboard via data ribbons. We disconnected the data ribbon of each PCB to the microprocessor PCB and turned on the TV. Each time it turned back off after about 3 seconds. When we disconnected the Y-Main PCB the TV stayed on and I got the sound back, but no picture. We then disconnected the buffer PCB's from the Y-Main to ensure they were not the problem. Finally, we pulled the fuse on the Y-Main PCB and reconnected the data ribbon and the TV and sound stayed on again. I found a site that sells the Y-Main for $179 and I am deciding whether to try it or not. Any suggestions or comments would be helpful.
Posted on Jan 25, 2008
this is a typical bad capacitors on the power supply board.
try to check it if you know what are you doing if not get the new power here and replace it>
Posted on Mar 11, 2010
The power supply board is dying.That the board,where the power a/c cord plug into it.That the power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Posted on Jul 16, 2010
Try here: http://www.shopjimmy.com/catalogsearch/result/?q=Sanyo+DP42849+
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Posted on Nov 13, 2010
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