Bill, actually what happened is the zener diode that the resistor fed shorted and that's the reason it burned up. I have two units with this issue and I cannot read the resistor value since it burned up. What I would love to know is what the original value of the dropping resistor was? 73 Dave
On Sat, Apr 22, 2017 at 11:39 PM, Bill Hawkins <[email protected]> wrote: > There is usually a power dissipation reason why a resistor becomes > toast, and the reason is frequently a shorted bypass cap or a shorted > device. > > Have you measured the resistance to ground of the end of the resistor > opposite the power supply? > > Sometimes inputs get high voltages and short the amplifying device. > > Sometimes that is reason the units were for sale. > > Hope I'm wrong. > > Bill Hawkins > > > -----Original Message----- > From: time-nuts [mailto:[email protected]] On Behalf Of Dave > Wood > Sent: Saturday, April 22, 2017 8:43 PM > > Anyone on the list own the above Time Code Readesr. I have one of each, > they are identical with the same issue. I need to identify the correct > value of a resistor in the power supply that provides 27 volts to the > input amp. They are both toast in my units and I do not have a manual. > Thanks in advance! Dave _______________________________________________ > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
