[TechAssist] Re: Mitsubishi R/P VS-4561R
- From: "Tel-Tek Electronics" <teltek@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Sep 2001 07:28:18 -0500
Thanks Tim...
-Ed-
----- Original Message -----
From: "Timothy Williamson" <timvcr@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 21, 2001 12:19 AM
Subject: [TechAssist] Re: Mitsubishi R/P VS-4561R
>
> --- Tel-Tek Electronics <teltek@xxxxxxxxxxx> wrote:
> >
> > Have this set in the shop that looked like sound no
> > picture.
> > After advancing screens slightly found it was
> > actually no vertical
> > deflection.
> > The line is not straight across but has sort of a
> > sine wave look to it.
> > Although my voltages were correct on the LA7838
> > (Vert O/P) I changed it just
> > in case. Same result.
> > I can smell something heating up, like a high
> > wattage resistor, but can't
> > seem to put my finger on it.
> > I have no Service Literature on this particular
> > model, can anyone help.
> >
> >
> > TIA
> >
> >
> > -Ed-
> > Hi:Ed replace ic401 la7838 again,also ck all off the
> caps around it and replace D401 even if ck's good.
> this time make sure to ck R540 6 ohm 1 watt right off
> the flyback.Also replace both str,s on power board and
> c914.Then go over to the tuner relay board and ck to
> see if one or both of those 12 ohm 3watt resisters are
> burnt or open.Hope this helps
>
> Tim
> BCT Electronics
> 410-256-0344
> 410-529-1186 fax
> > teltek@xxxxxxxxxxx
> >
> > Tel-Tek Electronics
> > Midland
> > Ontario.
> > Canada
> >
> > Help make your TechAssist online repair tips
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>
>
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