Re: dead reds

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
>>
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Received on Mon Aug 28 04:35:02 2006