[TechAssist] Re: tx81 rca with shorted hot transistor
- From: HSWAD@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 7 Oct 2002 17:54:12 EDT
Change CP32 part # 202044, TP10 part#198794, RP41 part # 198678, CP06 part #
198559, CP08 part # 190501, TP06 part# 198748, FP01 part # 198605. Used RCA
parts. Have seen generic repairs fail constantly. Tolerances are too loose on
generics. Hollis Bates, field engineer-retired.
In a message dated 10/7/02 5:35:29 PM Eastern
Daylight Time, maintv2002@xxxxxxxxxxxxx writes:
> Subj:[TechAssist] Re: tx81 rca with shorted hot transistor
> Date:10/7/02 5:35:29 PM Eastern Daylight Time
> From:<A HREF="mailto:maintv2002@xxxxxxxxxxxxx";>maintv2002@xxxxxxxxxxxxx</A>
> Reply-to:<A
> HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> Sent from the Internet
>
>
>
>
> According to the RCA bulletin on this chassis the main cap to replace is
> CP08 (100uf-35v) There is also CP32 (4700pf-50v) recomended to change
> along with TP06 (198748) although CP08 is the most important to change.
> I do not know of a 47uf to change. By the way, 2SD1427 makes a good
> replacement for the HOT (S2000A3 or RCA 198794) John.
>
> wblakey wrote:
> > I remember reading about a gentleman with the tv as mentioned above and
> he had a shorted hot transistor. It was suggested to change the transistor
> and two electrolytics , one was a 100mfd/35v and the other was a 47mfd
> (possibly 35v). I have a tv the same at present and have done this repair
> but cannot find out which cap is the 47 mfd and have spent too much time in
> the archives with no success to find the repair mentioned. Does anyone know
> which two caps are needed to change on this tv. TIA.
> > Wilf Blakey/Blakey TV
> > Kirkland Lake,Ontario,Canada
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> --
> John Mielke
> Main TV
> Longmont,Co
> 303 776 6955
> maintv2002@xxxxxxxxxxxxx
>
>
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