I would prepared to extract a schematic from my 16B[1] (28 pin socket)
programmer over the christmas break.

Jim Robertson wrote:
>
> At 16:28 9/12/98 GMT, you wrote:
> >My 16B1 programmer suddently quit. Yes, I know it's obsolete. Actually, I
> >have a PicStart Plus also, so it's not a matter of being out of business.
> >But I do use it, and would like to fix it.
> >
> >It communicates with the computer OK. It has +5 and +12. The POWER LED is
> >on and the ACTIVE LED lights when it's supposed to.
> >
> >But it doesn't program, and it reads programmed chips as blank. Anyone have
> >a schematic for it? Any ideas on where to start?
> >
> >Reg Neale
>
> Unfortunately my notes are hasty handwritten scrawls so I can't
> provide a schemetic but I sort of know how it is wired.
>
> I can help if you can provide the following info.
>
> Firstly does it fail on both 12-bit core and 14-bit core parts?
> Please specify what pinouts fail.
>
> For 18-pin parts:
> During a read is there VPP on ZIF pin 4 and Vdd on pin 14?
>
> For 28-pin parts:
> During a read is there VPP on ZIF pin 28 and Vdd on pin 2?
>
> I can provide much more info once you have narrowed it down for me.
>
> Regards
>
> Jim
> --------------------------------------------------------
> Jim Robertson
> Email: newfound@pipeline.com.au
>
> http://www.pipeline.com.au/users/newfound
> --------------------------------------------------------

Nino.

PS: Jim, will you ever resurrect the Phoenix files (no pun intended)
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