EPROM programmer

[dwight elvey]

> From: alexandre-listas at e-secure.com.br
>>
>> I've been using a PB-10 until just last week when it stopped
>> programming 2716s :(
>
> GREAT programmer, I had one with almost all optionals. This is one
> programmer I miss
>
Hi
 It is kind of hard to debug in the machine but it looks like
either the PN2222A or the 747 op-amp is the source of the problem.
 I'll attach a couple test wires and measure some more.
Dwight

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