[TechAssist] Re: Samsung Model TXK2754 chassis KS2A
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 16 Mar 2004 16:56:14 -0500
Check the solder on R310
Phillip R Hull STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message -----
From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, March 16, 2004 7:25 PM
Subject: [TechAssist] Samsung Model TXK2754 chassis KS2A
> Hi Guys
> We have a Samsung KS2A chassis which runs ok for
> an hour or so...then it goes into a white line..a complete
> loss of vertical sweep..checked the electrolytics in the output
> checks ok..This set uses a la7845 ic which is not listed in NTE
> for cross reference...looks like an electrolytic or the ic is shorting..
> Any sub for this IC?
> .If it is turned off for ten minutes it will come on ok for 30 minutes
> or more.
> checked circuit board for bad soldering...but ok...
> anyone have this problem..any help would be appreciated
> Alvin Rose
> Radio & Tv Centre
> Marystown, Nl
>
>
>
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