[TechAssist] Re: (TechAssist) (Sony) Transistor D2578 - need sub
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 05 Sep 2004 19:14:34 -0700
What is thermal runaway in the H/O section?
Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of S. Pasher
Sent: Sunday, September 05, 2004 6:48 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: (TechAssist) (Sony) Transistor D2578 - need
sub
I use 2SD2539 as a replacement for a lot of H/O's. In the Daewoo it is
recommended that the 2SD1880 be replaced with it. I runs a lot cooler
then
1880 and the Daewoo's problem is there is thermal runaway in H/O
section.
Buck Pasher
Buck's TV
Gander Newfoundland
Canada
709-256-7738 (Fax & Phone)
----- Original Message -----
From: "Jorge Camboni" <geo@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, September 05, 2004 6:47 PM
Subject: [TechAssist] Re: (TechAssist) (Sony) Transistor D2578 - need
sub
> Best sub is 2SD2580- pretty good ones are 2SD2539 and 2SD2553 (proven
> many times, usually run almost cold).
> The 2SD1880/81 may work, you have to try them and monitor the
temperature,
> they're lower gain transistors than 2578/80 series which are much
newer.
> All of them have an integrated damper diode.
> There are more subs, of course, those are the most popular (and
> unexpensive) ones.
> Jorge
>
> At 07:44 p.m. 04/09/2004 -0500, you wrote:
> >I need a sub for transistor D2578 out of a Sony TV. Thanks.
> >
> >Kenny Barnes
> >Kenny Barnes tv
> >928 South Marshall st.
> >5154325250
> >Boone, Iowa 50036
> >
> >
>
>-----------------------------------------------------------------------
----
--
> >Lost Password:
> >http://www.tech-assist.org and select "Login Problems?".
> >Email Archives:
> >//www.freelists.org/archives/techassist/
>
>
>
> Jorge Camboni, GY Electronics, Richardson, TX
>
>
>
------------------------------------------------------------------------
--
---
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
------------------------------------------------------------------------
-----
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
