[TechAssist] Sanyo Mod # AVM-1903U Chasssis # G4S-1903U0

  • From: "sterling pasher" <spasher@xxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 12 Nov 2001 11:34:08 -0330


    I have a problem with a Sanyo that I have not seen before. The
horz.lines of the raster (with no antenna) wil very on the sides. Some times
they will be anywhere from one half inch up to one and one half inchs short
on the sides. For example one line will quit about one in from full width,
the next one may be one half inch short and an other may be twice as far
out. This happens all the time with out video. When I put RF or AV video
some times it will be alright but eventully it will show up and be worse
then when only raster.
    Several things I have done   1.changed the yoke and the flyback   2.
change rth signal processor (LA7673).  3. Checked or changed most of the
components in the horz. and power sup ccts.
    Can't see anything on the scope , so I have myself a little problem. I
dont know where to look.
     If anybody has run into this or any thing of this nature would sure
appreciate any help

                                                    Buck Pasher
                                                     Buck's T.V. Service
                                                        Gander NF Canada

spasher@xxxxxxxxxxxxxxxxx

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