[TechAssist] Re: Mits VS-50VA1 Help!!
- From: "Dan Garris" <dgarris@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 11 May 2004 21:25:27 -0400
Forgot to add that Convergence menu works fine and it will Converge ok and
can adjust fine. Just has bow in top and bottom with the vert retrace type
of line intermittently pulling up about 4" from bottom and once in awhile
entire picture will go out (all 3 CRTs go dark) then will come back on in a
few seconds.
Garris TV
New Bern, NC
Dan Garris KJ4FH
DGarris@xxxxxxxxxxx
>From: "Dan Garris" <dgarris@xxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Mits VS-50VA1 Help!!
>Date: Tue, 11 May 2004 21:16:05 -0400
>
>Hi Fellow Techs,
>I'm working on Mitsubishi VS-50VA1 PTV (VZ-1 Chassis) which has a
>consistent
>slight bow in the top & bottom of the picture (pincushion) and has a line
>pulling up about 4" from bottom of picture intermittently this line will
>appear and disappear, best way to describe line is like a vert retrace line
>but a little different because it affects pincushion as it pulls up screen
>intermittently about 4" from bottom. Even when line disappears the bow at
>top/bottom is always there. I replaced both STK391-020 Convergence IC's and
>checked all resistors related to IC's (none smoked - all ok) checked many
>caps and reworked all CSJ's (Cold solder connections) I even checked C7001
>and C7036 on PIP module. Sometimes the entire picture will go out and come
>back in. Set was moved from Texas to N. Carolina and customer stated
>problem
>started after move. I'm lost on this set. I've checked my
>WinsTips/ESD/Intrepid/TechAssist&archives/Goggle_search tips & more
>databases, I'm stumped! Any Help!!
>
>Garris TV
>New Bern, NC
>Dan Garris KJ4FH
>DGarris@xxxxxxxxxxx
>
>
>
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