Re: [time-nuts] Looking for Z3801 Power Supply Board

2016-05-23 Thread paul swed
Boy do I agree with Dave's comments. Even if the big block inverter is bad it can all be replaced. I have a small inverting supply in my unit to replace one leg. I think it was the -5V supply. Its been running for 7 plus years. Good luck Regards Paul WB8TSL On Mon, May 23, 2016 at 6:54 PM, Dave M

Re: [time-nuts] Looking for Z3801 Power Supply Board

2016-05-23 Thread Dan Rae
On 5/23/2016 3:54 PM, Dave M wrote: Dan, If you haven't already found the Z3801A page at http://www.realhamradio.com/GPS_Frequency_Standard.htm, you should read it thoroughly (in your case, especialy the section on the power supply). there is a good pictorial that shows locations of all the

Re: [time-nuts] Looking for Z3801 Power Supply Board

2016-05-23 Thread Dave M
Dan, If you haven't already found the Z3801A page at http://www.realhamradio.com/GPS_Frequency_Standard.htm, you should read it thoroughly (in your case, especialy the section on the power supply). there is a good pictorial that shows locations of all the power supply test points. Using that

[time-nuts] Looking for Z3801 Power Supply Board

2016-05-23 Thread Dan Rae
My Z3801 power supply board has given up the ghost. It had been working well apart from an occasional Error 230 causing it to go into Holdover for no good reason from time to time which may well be related of course. Does anyone have a good power supply from an otherwise dead unit which might