[TechAssist] Re: FIXED : Sony KV20VS40 Reduced Vertical
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 12 Oct 2004 17:39:54 -0400
VSIZ adjustment in service menu worked but at maximum setting (63) , size
was still a couple inches short.
Found R311 1ohm 2watt had increased to 1.9 ohms. Located off pin 7 of IC301
on the pump up line. Apparently this value is very critical
=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
=================================
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 12, 2004 2:02 PM
Subject: [TechAssist] Sony KV20VS40 Reduced Vertical
> Make : Sony
> Model : KV20VS40 TV/VCR Combo ( Base model KV13VM40)
> Problem : Reduced vertical deflection , missing a few inches on the top
> and
> bottom
>
> Problem occurs even with VSIZ maxxed out. Changed IC301 ( TA8403K) and
> verified proper 26V B+ supply. Checked poly caps on the v drive line and
> electrolytics.
>
> Size does respond when adjusting the VSIZ but not enough to fill the
> screen.
>
> Anyone encountered this on these Sony combos?
>
> =================================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> (860)399-1861
> (860)664-3535 FAX
> jstielau@xxxxxxxx
> =================================
>
>
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