[TechAssist] Re: Toshiba CF27E30..dead...

  • From: "teltek3" <teltek3@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 16 May 2003 22:03:30 -0400

I should have it Jeff. I'll check in the morning. What section do you need,
(Regulator) portion. Shematics on these are huge, fold out into about 8
pages, and almost impossible to scan as a whole circuit.

-Ed-
.
Tel-Tek Electronics
Ontario-Canada

teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 16, 2003 9:41 PM
Subject: [TechAssist] Toshiba CF27E30..dead...


>
> Starting with a fresh post here...
> Following parts were originally found bad:
> All the following parts were bad, replaced with Toshiba:
> Q801(STRS52041)
> D869
> D871
> Anyone that can help with a schematic:
> Now, I also found Q802(A1020) shorted C-B.
> Further inspection shows T802 shorted on secondary 7-8. I confirmed this
with my Sencore out of circuit.
> With D890/891 out of circuit, I get 0 ohms, but ESR shows 0.2 ohms...is
there a coil causing this reading? Could there be anything
> else I am missing?
> Also, this transformer is not in stock at Tritronics, does anyone have one
in there bone yard?
> Thank you.
> jeff@xxxxxxxxxxxxxxxxxx
> Jeff Dougherty
> Intrepid Video TV/VCR
> 263 S Front St
> Steelton PA 17113
> ph..717-939-7708 fax...717-564-4952
> www.intrepid-video.com www.tech-repair.net
>
>
>
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