Thats it pin 5 in your case. Most RBs bring the lamp voltage out. In reality its simply brightness from the photocell after amplification and some filtering. Regards
On Wed, Jul 31, 2013 at 7:36 AM, Mike M <[email protected]> wrote: > > Mon Jul 29 15:04:40 EDT 2013 > > > Life is variable. 10 years and the lamp voltage is the best clue. > > > New 9-12V, mid life 3-9, late 3 and below. > > > That doesn't mean it won't work but gives you a hint and the > > voltages are approx. Use a Hz meter to measure it. > > [...] > > > Regards > > Paul > > Paul, > > When you say lamp voltage, what are you measuring? > > I have the LPRO repair guide by Fred de Vries. It doesn't say much about > the lamp voltage except it appears on pin 5, and a healthy unit measures 6 > to 9 volts. There are some schematics that appear to come from a patent, > but I couldn't find any reference to pin 5. > > http://www.radcomms.net/EFRATOM%20LPRO%20101%20Repair%20Guide.pdf > > So what does this voltage do in the circuit? > > Is there a way to measure a similar voltage on a FE-5650A or FE-5680A? > > Thanks, > > Mike M > _______________________________________________ > 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.
