Sounds like you have another radio getting into the controller. Could be one of the connections i.e. audio cables is resonant at the offending radio's freq.
Vincent N6OA ----- Original Message ----- From: "skipp025" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, April 27, 2005 2:01 PM Subject: [Repeater-Builder] Mystery: Repeater Problem of the Month Club. > > > Mystery: "Repeater Problem of the Month Club". > > I just repaired a problem with our 224 Mhz > Repeater System. Let's see how you fair with > a guess? > > Symptom: Repeater audio would fail, not pass > the receiver to the transmitter. Controller CW > and speech audio ok. > > Initial Service: Missing Repeat Audio would return > after re-seating the Link RLC-6 Audio Board chips. > The repeater would run fine for 1-3 days before the > problem returned (missing repeat audio) > > Second Service: Replaced the RLC-6 board and > firmware, returned the repeater to service. > Lasted 1 week before the audio again failed. > > 2nd Symptom: Arrived to find the main Controller > locked in a quasi reseting fault mode. Replaced > the controller with a spare. Unit lasted about > 3 days same problems return. > > 3rd Trip: Replaced entire Repeater RF deck and Link > RLC-6 Board with spare (different brand and model) > Repeater. Controller is still the replaced 2nd unit. > Everything bench tested for 2 days at the shop. > Unit failed after 1 day back at the site. > > X-Number Service Call: Found 2nd Controller in > loop fault reset problem (same as the first). > > All supply power normal, the same supply operates > three other repeaters in the same rack. At this point, > the entire repeater had been swapped out for spares > and the DC Power Supply tests and works normal > (operated no where near its max capacity). Stand > back and scratch your head, then tell me what you > would do now? > > ***** > > I found the problem, care to guess what it was? > > Your turn > skipp > > ps: Answer in a follow up post: > > > > > > > > > Yahoo! Groups Links > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
