[Icom] IC-PCR1000

[Ray, W2EC]

If the input voltage to the regulator is 0, then just start tracing that
line backwards until you find where the input voltage appears. That will
isolate you to where the voltage/no-voltage fault gap is.

Matt Donohoe wrote:
> 
> Hi Guys,
> 
> I've done something pretty bad, connected power to the IC-PCR1000 the wrong
> way around, I had the current limiter on and it was only for a few secs but
> it would seem now as tho the regulators arent producing an output. I opened
> up the unit and found the TA7805 and TA7808 regulators.. I know that its
> pretty standard, center pin GND and the heatsink bit is a ground too, but
> both the input & output pins appear to read no voltage...
> 
> I thought I'd post here because there's "hopefully" somebody who's done
> something equally as dumb..
> 
> Thanks
> Matt Donohoe
> 
> ----
> Your Moderator: Dick Flanagan W6OLD, icom-owner@mailman.qth.net
> Icom FAQ: http://www.qsl.net/icom/