[time-nuts] FTS-4060M/S24 ROM
Chuck Harris
cfharris at erols.com
Sat Jun 21 08:50:25 EDT 2008
It used to be a fairly common trick to solder an eprom into
a machine tool socket to make a more durable eprom... the pins
will insert into a socket more easily, and they won't bend.
Make sure that there isn't an insert pin type socket in the
circuit card.
-Chuck Harris
Mark Sims wrote:
>
> I am now fairly sure that the issues with my 4060 are due to a bad EPROM image or some other problem with the CPU
> card. When I start an ALIGN sequence you see the beam current jump up to the same point as when you turn MOD off.
> From then on, nothing else happens. I would assume that the ALIGN sequence should start scanning the control
> voltage and looking for the central peak. I also do not get the ALIGN sequence at power on. It appears that the
> code in the ROM that performs the ALIGN sequence is bad. The rest of the code/cpu seems to be working properly since
> I can do a manual align and maniupulate all the front panel controls.
>
> My EPROM is marked 05030-001 Rev - My unit is serial number 255. Does anybody have a dump of the 4060 ROM, a copy
> of the ROM, a spare CPU board, etc? Also can anybody with a 4060 tell me what happens during their ALIGN sequence?
>
> Mark
>
> BTW, my EPROM is soldered (!) into a screw machine IC socket. I will have to do some surgery to remove it.
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