He OBVIOUSLY means the overheating process by which the HOT goes into thermal runaway. At 07:14 p.m. 05/09/2004 -0700, you wrote: >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/ Jorge Camboni, GY Electronics, Richardson, TX ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/