In a message dated 02/12/04 10:30:24 GMT Standard Time, [EMAIL PROTECTED] writes:
Symptom:- Received audio sounding scratchy, suspected loudspeaker. Problem:- Bad contact. The plating (Tin ?) had worn through on loudspeaker connector female crimp pins. Had a similar problem with the company's 1979 vintage GE Mastr II truck radios used in an area with no roads. The continuous vibration caused the board connector pins from the front panel to the RF/IF/audio board to go intermittent for exactly the same reason, loss of tin coating on the plugs. The solution apart from replacing the interboard connectors was to apply an extremely thin coating of lubricant to the pins. This seemed to have a lasting effect on the problem. Just a small smear of WD40 worked wonders. The socket must have been acting as an effective abrasive mechanism on the pin. Totally unnecessary if the contact remains undisturbed with normal operating conditions, but essential in our case. Bob, G3VVT ex desert rodent _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
