[Yaesu] FT-1000MP MK V keying SB-220

[Jan Erik Holm]

Time to rebuild the keying cirquit in the 220.
Go to AG6K homepage for information.

73 Jim SM2EKM
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Al Toothaker wrote:

> Just began the connections to a new MK V and find that the 120VDC from the
> relay in the SB220 amplifier
> is not compatible with the MK V relay which is good for only 100VAC or
> 60VDC.  However, the manual states it is compatible with the 220 and 221 in
> the instructions for hooking up a linear amp.
> Anyone know the real deal here?  I do now wish to fry the internal XCVR
> relay but also do not relish the thought of adding another external relay
> just to drove the SB-220 relay.
> 
> Thanks for any inputs...
> 
> Al, N6TA
> 
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