[Techtoolslist] Fluke 9100A troubleshooting

[Steve Larkins]

Check the 68000 is getting a good reset pulse.

Mine wasn't (9100ft 68030) and it turned out to be the reset chip.  SMD
device but easy enough to replace.



On Thursday, 4 August 2016, Ian Eure <ieure at icloud.com> wrote:

> I’m sure some of you noticed a large amount of Fluke equipment listed on
> eBay recently. I picked up the new in box 9100A, since I’ve been looking
> for one and I had an offer accepted at a price I thought wasn’t too out of
> line, considering that it came with a probe and clock module & was new in
> original packaging.
>
> Unfortunately, the mainframe itself doesn’t seem to boot up. When it’s
> powered on, I get nothing at all on the VFD, no beeps, and the RUN UUT &
> DISK ACCESS annunciator LEDs are lit steady. I see in the technical manual
> that blinking UUT/DISK LEDs are a sign of display problems, but I don’t see
> anything indicating what solid LEDs would mean. I opened it up and found
> the SCSI card
>
> I was thinking that perhaps the HDD wasn’t working, or didn’t have the
> software installed on it, but I’d expect to see something on the display
> even if that was the case.
>
> Does anyone have suggestions to diagnose further before I ask for a
> partial refund?
>
> Thanks,
>  Ian.
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