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Hi. Would like to know how to adjust picture screen on 1994 Hitachi Model 31DDX116B TV.

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  • wantel Sep 08, 2010

    locate the deflection units and adjust the appropriate parts : semiadjustable resistors for the vertical and 2 coils and several semiadjustable resistors for the horizontal.



    Where is the deflection unit located after removing the cover?



    There are two adjustment buttons (one is for the screen and the other says focus) neither button is correcting the tracking problem.

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No external commands or buttons are available for adjusting the shape of the image. You must open the tv , locate the deflection units and adjust the appropriate parts : semiadjustable resistors for the vertical and 2 coils and several semiadjustable resistors for the horizontal.

Posted on Sep 06, 2010

  • Azrael SRL Sep 08, 2010

    Those "buttons" , located on the flyback transformer, have nothing to do with your problem - the first one is for the brightness and the other for the sharpness of the image. What i told you to look for are semi adjustable resistors located directly on the mainboard - they don't have buttons , they are adjusted with an isolated screwdriver and can be found close to the final amplifier for the vertical deflection unit and the flyback transformer for the horizontal unit.



    But since you obviously lack even the basic knowledge required (you don't know how the parts even look like) then you shouldn't touch the tv - you will just make the problem even worse. Call  someone who has done this before.

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