[TechAssist] Re: Mitsubishi Model CS-3515R\vertical problems
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 20 Apr 2005 07:36:51 -0700
Yes I did. I replaced the ic,resistor,and cap.Have replaced other caps that had
high esr but still have the same problem.Will continue and see what else is bad.
Thanks
Mando
Birdie's TV & Electronics
Casa GRande, AZ
al m wrote:
> Did you replace the cap that the resistor is connected to?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "armando guerra" <birdie@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, April 19, 2005 8:18 PM
> Subject: [TechAssist] Mitsubishi Model CS-3515R\vertical problems
>
> >I have this set that came in with no vertical at all,just a line across
> > center .I replaced the LA7838 and the resistor that supplies the vcc to
> > the ic.I powered the tv on and not enough vertical defflection.I
> > replaced 3 caps in the vert.ckt and I now have a full screen but there
> > are 3 black lines about 6 inches from the top,like vertical
> > foldover.Also,the top portion of the images,for example the head of a
> > person is stredged.I replaced some more caps but still not right.I am
> > working without a service manual.Maybe somebody that has winstips will
> > have a tip or maybe a print of the vertical ckt so that I can trace the
> > problem.I am thinking eighter a diode is bad or a resistor increased in
> > value in the pump-up ckt but need the print.Thanks for your help.
> > Mando
> > Birdie's TV & Electronics
> > Casa Grande, AZ
> >
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