Question about Philips Magnavox 42MF521D/37 Television
We are w/out any picture, only a black screen. Audio still works fine. The TV is only 15 mos. old. Happened while in the middle of watching a show, and never have had any problems prior. Not even the menu is visible.
I partly agree with imaliszewski the problem is Y buffers (upper & lower). There is 3 parts to the Y board (Y-main, Y-upper, and Y-lower). There was an issue with defective Y-buffers in a memo sent out by the Plasma manufacture. The problem could be that you just got a set of these defective buffers in your panel. Or as Imaliszewski stated a current problem. but if you replace the Y-buffers repace them as a set. If your TV goes out again after changing the buffers. The panel is causing the problem by drawing too much current. That was a Defect I found out why working in a Philips/Magnavox warranty repair facility.
Posted on Dec 13, 2008
You need to replace the Y-main board the buffers are just that, the Y-main drives the upper and lower buffers, this Tv has a problem with the Ymain going out and trying to draw to much current from the power board causing the burning smell
Posted on Oct 22, 2008
Well posted previously Aug 27, stating new upper buffer replaced and that did not fix problem.. (cost about $69).
Today just today installed a new power converter.. (cost about $59) and very dismayed that did not fixt it either.
I am throwing in the towel at this point. Among the many posts with same problem it was mentioned there are about 5 main boards in this plasma. I will stop at 2 and consider it was "a throw away TV " after a short 15 months life span marketed for the moment by big box stores.
While doing some investigating on this, I found that a similar problem occured with Gateway 42" plasma flat screens same time frame.
Thats it... Anne
Posted on Sep 03, 2008
The problem is one of the driver/buffer bosrd, you csn see the part number printed on the circuit board (PCB No) and then look on EBay there a lot of parts from broken units... EVR
Posted on Jan 28, 2010
I took my 42MF23ID/33ID Magnavox Plasma TV into a repair shop and they said it would cost 500 dollars to replace both the logic board and the Invertor. Is there someplace I can purchase these in order to replace these two parts myself? thnx
Posted on Dec 30, 2009
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