[TechAssist] Re: Hitachi Model 50UX58B green convergence

  • From: "Ed" <edb3@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 1 Sep 2004 18:38:13 -0700

I have had a simular symptom when someone tried to set up the convergence
improperly, i had to clear the dcu and start from scratch, was the only way
i could get it converged right.
   Ed   Video Pro-Tech
            Mesa AZ
----- Original Message -----
From: "Jim Shupe" <jim@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 01, 2004 1:01 PM
Subject: [TechAssist] Hitachi Model 50UX58B green convergence


> Hi All....
>
>
>  I have a 50UX58B that came to me with just the lower
> right corner out of convergence. I changed the STK and
> one resistor that had increased in value...but no
> help.
>
>   The green also looks thick and out of focus at that
> corner, and appears to have hysterisis around the
> corner point: that is, when I adjust the line(H or V)
> toward alignment, it approaches, then will swing too
> far past correct position.
>
>   The degree of distortion appears to be related to
> screen content as well...it moves in and out of the
> corner with scene changes, etc.
>
>   Has any one seen this or anything similar with this
> set?
>   I talked to Hitachi and the tech said "sorry... no
> silver bullet here."
>
>
>     TIA
>     Jim Shupe, CET
>     Yucca Valley, CA
>
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