[TechAssist] Re: FIXED Sony KP-43T75 RA3A Flyback rings good, but

  • From: "JOSE R. PANIAGUA" <breadywater@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 30 Jan 2004 20:38:44 -0800

HELLO FRiends, I read some topic about about TVA92 Now hear it some time ego
I ring a fly back ant it ring OK. and I spend a lot of time traying to find
out what was wrong, so at the last hope I bougt a new Fly back and bingo it
work ok. the old  one was bad so you can not trust it. I write to sencore
about it and until today they never had the time to answer my question. this
hapeng long time ego ,now hear it in the manual that come whit this unite it
say to hook the primary winding of the flay back and that is it. but wrong
to make shure the flay back is ok. you have to check all the winding because
when I did it with the fly back I'm talking about one winding ring bad. but
they do not say that in their manual.
My two cents.
Jose.
Jose R. Paniagua. PANIAGUA TV & VCR Service breadywater@xxxxxxx Phone
(718)367-1527/ 877-9384 Fax (775)415-8139



----- Original Message -----
From: "Gerald Gann" <alpha21century@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 30, 2004 10:26 AM
Subject: [TechAssist] Re: FIXED Sony KP-43T75 RA3A Flyback rings good, but


> Sencore TVA92
> Jerry
> Paul <dntwntv@xxxxxxxxxxxxx> wrote:
> Jerry, What type of equipment did you use to ring the bad flyback with?
> Paul
> Gerald Gann wrote:Replaced Flyback P/N 1-453-238-21 and HOT 2SD2578 P/N
872904846 Fixed Looks Good
> Thanks
> Jerry
> Alpha 21 Electronics
> Granite City, IL 62040
> Ph. 618-452-8620
> Fax 618-876-5157
> www.alpha21century@xxxxxxxxxxxxx
> Gerald Gann wrote:
> Good morning all.
> Sony KP-43T75 RA3A HOT keeps shorting. Unsolder-ed collector getting
> 135V. I have the training manual for the KP43T75. Any history of bad
flybacks in this one as a common failure? Flyback rings good at 27 but when
we did a dynamic test we only got 500V I believe this is low. Question if
diodes in flyback where open or shorted would it still ring good?
> Thanks for any help.
> Jerry
> Alpha 21 Electronics
> Granite City, IL 62040
> Ph. 618-452-8620
> Fax 618-876-5157
> www.alpha21century@xxxxxxxxxxxxx
>
>
>
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> Paul ,B Central TV&Video Grover Beach Ca.
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