[Clegg] Help Needed Interceptor B muting question

GENE BALINSKI g.balinski at comcast.net
Mon Jan 2 21:02:59 EST 2017


All Con,


     I have an Interceptor B (IB) with the All-Bander (AB ) converter that I am trying to interface with a Zeus.  Normally this is a easy and straight forward process. 


     Unfortunately, the connections to the IB Aux Jack J-1 and the "Stand-By - Receive" (SR) switch have been "Hammy-Hammed" by the P.O., .   : -(     I am trying to make what I have work, in hopes that I do not need to get inside and try to fix the issue.    


     According to the manuals, in order to  mute the IB from the Zeus, one connects Pins 5 & 8 on the IB Aux 1  to the Zeus J-302 Pins 2 and 3.     Pins 2 and 3 are NC contacts on K302,  and will provide closed circuit there-by UN-MUTEING the IB.   That, of course, allows the receiver to receive.    When the Zeus is placed in to transmit, the K302 N/C contacts open up, and the IB is MUTED.   


     So here is the question:  How much voltage is placed across the K302 contacts when they are opened ?   The reason that I ask, is that the P.O.  left cryptic notes that indicates that  IB J-1 Pins 1 and 3 instead of 5 & 8 are to be connected to  Pins 2 and 3 on K302.  However when I measure the voltage on Pin 1 to ground, it is 115 VAC, with the SR switch in the "Receive" position, and 0 VAC with the SR switch in Stby position.   Pin 3 is at  0.22 VAC no matter what the switch position.  Pins 5 is Gnd, and Pin 8 stays at 22 VDC no matter what the the SR switch position.   Note, shorting Pin 8 to Pin 5 (Unmuting),  does not unmute the receiver. 


     So, is 115 VAC the normal voltage that would "normally" be present on IB J-1 Pins 5 &8  for muting/receive ?   Can I safely assume that this is actually the muting contacts before I connect it up?    


73 and thanks in advance for the help,


HNY,


Gene K1NR


 


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