Re: dead reds

Hi,

It has to work.

Mark Capps

big dog wrote:

> Hi,
>
> I hate dig up old bones, but again where is the by far cheaper working
> model. I know I does not mean much by now but
> Wintron for US customers is the best bet. The HVT you made or may
> nor work, does it really work???? Simon?
>
> Mark Capps
>
> Mark Shostak wrote:
>
>>This flyback was/is being designed from the ground up, to work in the
>>Amplifone circuit as a drop in replacement. It uses the same primary
>>input voltage and (is supposed to) resonate at the same frequency.
>>
>>A custom mold was made for the outer housing and a custom bobbin with
>>terminal pins in the end-flange spaced specifically to fit the Amplifone PCB
>>was also developed as part of the project.
>>
>>Cinelabs released an easter egg photo of the FBT some time ago when
>>we annouced the Sanyo replacement FBT, but as we've been encountering
>>the well documented issues associated with developing a replacement
>>for this particular circuit, had been keeping it low profile, so as
>>to not get people's hopes up (and prevent a flood of "is it done yet"
>>emails).
>>
>>Regarding using existing TV FBTs, I really don't want my vector games
>>to sound like they've got raster monitors in them!
>>
>>-Mark
>>
>>On Sun, Aug 27, 2006 at 03:17:49PM -0700, jrok wrote:
>>
>>
>>>At 10:50 PM 8/25/2006, you wrote:
>>>
>>>
>>>>Well it looks like for now this is way out on Voltage levels. I ran it lat
>>>>night and could only get an out of focus picture due to the Anode voltage
>>>>being about 9kv too low :(
>>>>
>>>>
>>>9kV out, bummer :( Is this a 'standard' model of flyback or a custom job ?
>>>I ask as looking at 'modern' flybacks they mostly seem to run from a
>>>120v-160v voltage. So my thinking goes.. using a 48V available as a source
>>>( the -24 to +24 on the Amplifone board ) you'd theoretically only get
>>>a voltage stepped to around 10kV ? Correct me if I'm wrong ;)
>>>
>>>Also for general interest I've seen monitor/TV's running around a
>>>50V supply into to a boost regulator to generate about 130v before
>>>powering the primary of the flyback.
>>>
>>>Great idea for a drop in replacement BTW, hope you get it working.
>>>
>>>- James
>>>
>>>---------------------------------------------------------------------------
>>>** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
>>>** Please direct other questions, comments, or problems to chris@westnet.com
>>>
>>>
>>---------------------------------------------------------------------------
>>** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
>>** Please direct other questions, comments, or problems to chris@westnet.com
>>
>>
>>

---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com
Received on Mon Aug 28 04:39:22 2006