TR-7400A with PLL Light on

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KE7JFF
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Joined: Mon Feb 23, 2009 1:50 am

TR-7400A with PLL Light on

Post by KE7JFF » Wed May 18, 2011 10:23 pm

I recently acquired a vintage TR-7400A for running on APRS when I tried keying it up after making a cable and the PLL light came on. Any ideas of what components on the PLL circuits to look at? Thanks!

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