Question about Philips Magnavox 51MP392H Rear Projection Television

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Magnavox rj8510 ak03 out of focus?

Our 1988 rear-projection Magnavox is still working. However, everything is now out of focus. The DVD, antenna, VCR, Playstation... everything is somewhat blurry or out of focus. How do I fix this? I have seen nothing in the menu that sounds like it would work. Thanks for the help!

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In my 51MP392H Magnavox you take the back off there is a small black box hanging downf( Focus/ screen control block? as the previous person calls it) it has 3 color controls and focus knobs on it., the whole thing is the size of a door knob and the knob larger pencil erasers with hard to see labels in stamped plastic.

are you sure its blurry and not the colors all mismatched slightly?
Possible you need to clean the lenses on the inside they may be caked with dust causeing a blur?


good luck, it might help,

Posted on Nov 03, 2008

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Thats your focus/ screen control block good luck on finding one.

Posted on Nov 02, 2008

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The pictures are all blurry and all three colors show up on the screen volume and everything else is ok what do i do


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The Deflection Board is probably causing the problem. Sometimes it will be loose solder connections or a major hard failure of the board. The key thing here is the age of it. Parts are going to be difficult to fine and if they are available, probably expensive. I am not sure if it would be worthwhile investing money into it. It was a good set. I have one still working by the grace of "GOD".
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MAGNAVOX MANUAL


Hi LUCK LESLIE,

I maybe able to help as I had the same problem, go to http://www.djelectronics.com.au,
I found my instruction manual for my tv and I was able to print in out the whole 24 pages of it.
Hope you have success as I did with this site.

Good Luck,

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Basic TS - Turn tv off and unplug from wall outlet for 30 seconds. Make sure cable or sat box mute is off. Turn back on. If still no sound, just make sure that a dvd player, vcr or anything else connected to TV has no sound. Check antenna as well as cable or sat channels. If nothing has sound, call a serviceman to check out.

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