Question about Projection Televisions

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Magnavox model, 42MF521D/37 Serial BZA0706263063. Picture too large for screen, Dish Network, cuts top of head off and on baseball games half of the scoreboard on top of the screen does not show. Same at bottom of screen. I have tried the trouble shooting info with no results. Please advise.

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  • papadon77 Jul 21, 2008

    Using the Magnavox controlor aslisted in Trouble Shooting on page 34 of the manual does not adjust picture at all.

  • papadon77 Jul 22, 2008

    Will give to service man when he can get here. I am too dam old to look in the back.
    ds

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This trouble symptom picture overscan or blooming,usually the enlargement is uniform,but there may be some defocusing,If the picture overscan is not accompanied by insufficient width.The probable cause is a failure in the high-voltage circuit only , particularly the HV retifier and also to (HOT) horizontal output transistor is leak already..
click below for the picture of the transistor of PHILIPS magnavox
Phillips F8 chassis

Posted on Jul 21, 2008

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That same thing happens with my dish box. The only way i can get rid of it is to change the tv to a 4:3 aspect ratio (which sucks because it isn't a letterbox picture).

I've just gotten use to it, however, i'll look in to the problem tonight and report back if i can fix it (as I agree, it is annoying)

Posted on Jul 21, 2008

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  • Steve Stonebraker
    Steve Stonebraker Jul 21, 2008

    Do you have the "
    Dish Network platinum HD/ vip622"? I found this info on a forum:
    "The 622 gives the priority to the HD widescreen programing, if it did
    not a large part of the image area would be cut off of the viewing
    area. And since most HD tv's are 16x9 they feel the customer should be
    given the choice of seeing the sd channels as either normal (hence the
    black bars), stretched or a couple of other zoom modes, so in the
    components and HDMI imputs put the format control with the receiver (*
    button at bottom of the remote)."

    Try that * button it mentions


  • Steve Stonebraker
    Steve Stonebraker Jul 22, 2008

    Success! the * key at the bottom left of my standard dish remote changed the picture so it was no longer cut off, TRY IT!

  • Steve Stonebraker
    Steve Stonebraker Jul 22, 2008

    Have you tried the * key at the bottom left of your DISH Network Controller? Press that and it will change the aspect ratio of the program you are watching. You can keep pressing it to cycle between different aspect ratio's.

    that fix should work


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This should be a Dish Network setting, not a television setting.

Posted on Jul 21, 2008

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