Question about Philips Magnavox 42MF521D/37 Television
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Posted on Jan 02, 2017
The lower "Y Buffer" board is defective. Best repaired by a technician, or contact Phillips support for the part if you think you are able to replace a small circuit board on your own.
Posted on May 21, 2009
SOURCE: Little red dots
The driver board is going bad it sounds like and if you do not call up and get it fixed under warranty, as it should still be under a warranty, then its going to be a nice hefty repair bill. Good Luck Ps Please dont forget to rate this thread
Posted on Oct 19, 2006
SOURCE: Red Dots on My Plasma.
Did you get this problem resoslved? I had the same issue a few months ago. I tech came by and took my TV to the shop, a few days later he said it was fixed as they needed to make some adjustments.....The TV has been fine up until a week or so ago and now the red dots have appeared again. Was wondering what happened to yours.
Posted on Dec 28, 2006
SOURCE: Screen Problem
hi....Your tv picture is managed by several boards, the two specific ones are the ysus and the xsus. The Y controlls the horizontal pixelation and the X the verticle, if you are having horizontal problems then its the Ysus thats faulty, on this particular set, the Ysus board has two accompaning buffers that are particularly troublesome. I've had more than one of these sets in the shop recently with the same ailment.Sounds like your buffers are starting to go out. The screen is split horizontally by the two long skinny buffers attatched to the Y main, if the bottom one has one leg in the grave you'll be getting a partially black screen or no picture at all. The colored lines running through the screen are more typical of a failing buffer. Are you interested in taking this set apart and putting a couple hundred into fixing it? When buffers go they usually take the Y main too. Worse case scenario you're gonna be out about $350 dollars to fix it yourself. Best case, a ribbon is loose on the bottom buffer and with a dismantle you'll be able to connect it again..
thank u rate me!!
Posted on Feb 12, 2009
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