Question about Philips Televison & Video
Unplug both the set and box from power for a while--either may have caused a glitch---power both back with everything already connected and see if the reboot that will happen helps or not--a lot of times the box causes this by confusing the set it is connected to.
Posted on Nov 06, 2012
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Posted on Jan 02, 2017
Old messages and bcipollina is gonna get to read this resonse twice; sorry-
If it just fails to turn on or ignores the remote, the main power supply is probably at fault and without some technical background and a couple of test instruments, you will not be able to do the repair yourself.
What you can do though is; unplug the set, let it stand overnight or at least several hours, remove the back panel and look for a separate board with mostly larger components on it; it will have a ferrite core transformer on it and several larger capacitors which are cylindrical and mounted vertically to the board.
Before touching anything inside, especially on that board, allow several hours to be safe since the larger capacitors can hold a painful voltage charge for some hours.
If you see signs of overheating such as discoloration of the board material, it may not be repairable but if you can find a part number on the board, you might be able to buy the power supply and install it yourself.
If there are no signs of heat damage to the board, there may be companies offering to repair it as a subassembly instead of repairing the whole set which could be much more expensive.
If you choose to replace or have it done, the power supply still may not be at fault since most are capable of switching on and off if a downstream problem is causing an overload.
BTW, from what I have read about Vizio, I think they are close relatives to iLo which was also sold by Wal-Mart.
Quality control anyone?
Posted on Oct 25, 2008
SOURCE: 42 plasma philips
I had a similar problem. You likely have 1 or more bad capacitors on the power supply board. You can easily identify them - they have a raised or rounded appearance on the top instead of being flat. Remove the power supply board and take to electronics repair shop and have them replaced. The capacitors only cost me $4.24 for two. Now mine works fine. The repair man replaced them for free. It took him only 10 minutes to solder them on the board. Easy, cheap fix but manufacturer won't tell you that. I fixed this on 1-02-09. My 2 bad capacitors were "3300uf 10v" and I replaced with "3300uf 16v" but you might be able to replace with "4700uf 35 v" also.
Posted on Jan 03, 2009
I finally found a fix to this! YAY. I thought I might have to return the TV. I have the Phillips 42PFL5603D, but should work for other models.
On the TV press menu picture settings---picture---dynamic contrast (turn off) AND active control, turn off
If you have Comcast Moto box: on the Cable box go menu--->setup--->cablebox set up---RF BYbass set to ON
If you have a non-Comcast Moto Box, I'm sure there is an RF bypass setting in the menu. You'll just have to look for it. Another fix was close saying to only turn of the active control, but it took all 3 of these for it to work consistently. The latter let it work for all of 30 seconds.
Posted on Mar 13, 2009
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