[TechAssist] Re: sony kv32s32 crt
- From: "Richard Golden d.b.a. Golden Video Repair Center" <reldong@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 23 Jan 2002 20:48:56 -0800
Thank you; I learned a lot on this question,going on 64
and still learning . Thanks to Every One for the lessons.
Richard
----- Original Message -----
From: "Jorge Camboni" <geomvd@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 23, 2002 8:16 PM
Subject: [TechAssist] Re: sony kv32s32 crt
>
> Just about 3 turns of any available wire on the flyback's core, you'll get
> the crt heather filament voltage, gotta measure it and match it with
small
> series resistor.
> Previously, you gotta live the heather floating, your goal is removing the
> ground reference. You can also use a small ferrite 1:1 autotransformer in
> the filament line. Any small ferrite toroidal core will do the job... you
> can try 15 turns primary and 17 turns secondary (to compensate for
> transformer losses). Tried several times and it always works fine, problem
> is usual among 32" sony tubes.
> IN SOME MODELS, YOU CAN DO IT JUST BY REMOVING HEATHER TO GROUND BRIDGE IN
> CRT BOARD.
> Jorge GY electronics, Dallas
>
>
> At 02:02 p.m. 22/01/02 -0800, you wrote:
> >
> >Sony kv-32s22 CRT A80jyv51x TV works good for 4 or 5
> >mins.Then goe's red and shuts down. turn it back on
> >has red screen? Before it shuts down,I can tap crt,
> >it arcs then goe's red and shuts down.my sencore 470
> >don't have a test socket for this crt.
> >My question is, would it do me any good to try and
> >order the socket for this crt. I think it has an
> >enternal short in it.Unless it is getting a spike
> >voltage from chassic? Crt board checks good.
> >Anyone have any similar problems with this model?
> >CLARKS crts gave me a price of $389.00 thanks
> >Richard
> >
> >=====
> >Richard Golden
> >Golden Video Repair Center
> >1214 e. 6th street
> >ontario ca. 91764
> >(909)988-3356
> >
> >reldong@xxxxxxxxx
> >
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