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FT480R repair
I need to replace the T/R relay on an FT480R.
(Intermittent Rx, curable by a quick blip on TX) I don't have an exact replacement, so I'll use a Varley 12V relay, with suitable mods to the driving cct, and dangle the relay in the space behind the front panel. Is there a knack to removing the main board without first unsoldering the numerous connections? (i.e., can it just be a tedious job, or must it be downright finicky?) There is a second pair of change-over contacts on the relay, but with both outputs wired together...this would seem to suggest some form of muting effect that deals only with the T/R or R/T changeover period. Any ideas? |
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