[TechAssist] Re: Mitsubishi Model CS-3515R\vertical problems
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 19 Apr 2005 20:26:54 -0400
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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