On Thu, 17 Dec 2009 14:00:05 -0500, Garey Barrell wrote: >If the VCOs settle at frequencies more than a MHz or so away from these, >the VCOs may just need a touch-up alignment. IF they ARE in this range, >then something else in the synthesizer has failed or there is yet >another oxidized card contact somewhere. You really need a service >manual if you are going to do much work on this transceiver.
Also, check the output voltages of the DC-DC converter power supply board that the bandpass and 10V pots reside on. Problems here can cause sythesizer unlock. I have had bad filter caps and a bad 24v regulator IC on these boards in the past. 73 -Jim NU0C -- "It's an Earth food. They are called Swedish meatballs! It's a strange thing, but every sentient race has its own version of these Swedish meatballs! I suspect it's one of those great universal mysteries which will either never be explained, or which would drive you mad if you ever learned the truth!" - G'Kar, Babylon 5 _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
