[TenTec] using TT Century 21 with external TT PTO

[Brian]

Hi. Well, seems we all have the time perhaps to play with the projects long awaiting.

Since re-doing the TT PTO is not something many want to have to do.. I have two C 21 radios here and a C 21-Digital. All have frozen PTO.
I have rebuilt PTO a few times.. for an OMNI C and an Argosy II I know for sure.

So before I go into any of them and do a PTZO (would like to bring back the Digital one first if I can)  I'd like to sort of pre-test the C21s I have here to see their state re. which one is not in poor shape generally by by-passing the existing PTO and using the output from an external TT PTO (remote PTO)  I have that does work... I've had it on my Corsair II and OMNI D.

>From what I can see on some docs on doing a DDS vfo replacement the DDS idea works for Corsair II etc as well as C 21..... so I assume my remote PTO would suffice for the C 21 to test them out for rcv/xmit etc.
Any warnings or anything regarding hooking up the remote PTO to those wires that come out of the C 21 PTO   OR do I have to hook up the wires from the remote PTO to some other place within the C 21.

My other radios have a VFO input on the back.. the C 21 does not so I am a bit shy of understanding where I can safely inject the remote PTO signal.

tnx
Brian VE3VAW


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