[Icom] Icom IC-30A UHF Radio PL Tones

Sun, 28 Jul 2002 13:21:02 -0400

If you are talking about the accessory socket (9 pin), it only has two
connections.  Pin 1 is the discriminator output and pin 8 is ground.

"The other 7 pins may be used for whatever you wish."

My manual has a penciled in schematic for addition of tone.  The tone
output goes to J2-2 through a 100 k resistor and a ferrite bead on the
resistor.  This is the output of the mic amp Q4 and input to the
deviation circuit.

Ed
K1ZOK

On Sun, 28 Jul 2002 09:16:07 -0700 "Doug Graham" <[email protected]>
writes:
> Greetings fellow operators:
> 
> I've just recently acquired an Icom IC-30A UHF (440) radio that is 
> in exquisite condition (a rarity
> on Ebay!), but I'm having trouble locating a suitable output for my 
> tone encoder (a CSI TE-64D). 
> I've had lots of great off-list suggestions, from placing the 
> encoder output at a certain 
> internal junction to hooking up directly to the mic jack. For those 
> of you who wish to risk showing 
> your age, tell me what the circular jack on the side of the radio 
> does, as I suspect an external 
> accessory can be attached here. The radio itself transmits and 
> receives quite well. I'm not hard
> up for crystals, as I have plenty of sources to acquire the rocks I 
> need...it's just using the rig
> on the many 440 repeaters around my area that I wish to access.
> 
> Any input greatly appreciated:
> 
> Doug KB7RKY
> 
> 
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