Re: [time-nuts] Rpair of an 8662 HP Generator

The problem is solved, A German surplus dealer has/had bunch of these generator, calibrated and with guarantee for less then $ 3000. And in good shape. Who wants the old one .. no cost , power supply in trouble , Ulrich In a message dated 4/15/2016 10:01:56 P.M. Eastern Daylight Time,

Re: [time-nuts] Rpair of an 8662 HP Generator

the service manual is available here: http://elektrotanya.com/hp_8662a_sm.pdf/download.html, special parts are here: http://www.sphere.bc.ca/test/hpparts.html possible repair: http://www.naptech.com/ 73 KJ6UHN Alex On 4/15/2016 6:25 PM, KA2WEU--- via time-nuts wrote: Thanks, I do not have a

Re: [time-nuts] Rpair of an 8662 HP Generator

...@febo.com] On Behalf Of KA2WEU--- via time-nuts Sent: Friday, April 15, 2016 7:26 PM To: paulsw...@gmail.com; time-nuts@febo.com Subject: Re: [time-nuts] Rpair of an 8662 HP Generator Thanks, I do not have a repair manual and I hate to abandon the signal generator after man years of positive use

Re: [time-nuts] Rpair of an 8662 HP Generator

If you 8662A has gone "bang" yet, replace the electrolytic on the three boards is a good starting place. Once it goes bang you will have a to start replacing solid-state devices. Rob, NC0B -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of KA2WEU---

Re: [time-nuts] Rpair of an 8662 HP Generator

Thanks In a message dated 4/15/2016 10:02:01 P.M. Eastern Daylight Time, scmcgr...@gmail.com writes: Silicon investigations repairs them. Google the name for website Content by Scott Typos by Siri On Apr 15, 2016, at 6:38 PM, John Miles wrote: >> My signal generator

Re: [time-nuts] Rpair of an 8662 HP Generator

Silicon investigations repairs them. Google the name for website Content by Scott Typos by Siri On Apr 15, 2016, at 6:38 PM, John Miles wrote: >> My signal generator has a poor, intermittent power supply. The RF >> section is ok. Who can please tell me which company can and

Re: [time-nuts] Rpair of an 8662 HP Generator

Thanks, I do not have a repair manual and I hate to abandon the signal generator after man years of positive use... Ulrich In a message dated 4/15/2016 9:14:21 P.M. Eastern Daylight Time, paulsw...@gmail.com writes: Ulrich To your first question I am unaware of anyone that repairs

Re: [time-nuts] Rpair of an 8662 HP Generator

Ulrich To your first question I am unaware of anyone that repairs them. Though there are many places that might, typical cal and repair shops. I have a sick 8662 also (age) and need to dig in. At least I know the board and the most likely issue. The yahoo user group has a lot of useful details.

Re: [time-nuts] Rpair of an 8662 HP Generator

Thanks Sent from my iPhone On Apr 15, 2016, at 6:38 PM, "John Miles" wrote: >> My signal generator has a poor, intermittent power supply. The RF >> section is ok. Who can please tell me which company can and will fix these >> older >> but excellent generators? >> >>

Re: [time-nuts] Rpair of an 8662 HP Generator

On 4/15/2016 3:38 PM, John Miles wrote: Have a look at the capacitors in the voltage divider that drives the bases of the switching transistors. There's a good chance that's your problem, and they probably need to be replaced even if not. 75-TVA1607 (Mouser p/n for Sprague TVA1607) works well.

Re: [time-nuts] Rpair of an 8662 HP Generator

> My signal generator has a poor, intermittent power supply. The RF > section is ok. Who can please tell me which company can and will fix these > older > but excellent generators? > > Thanks, Ulrich Have a look at the capacitors in the voltage divider that drives the bases of the