Author Topic: Icom IC-28A Memory Battery Replacement + Modification + Impressions  (Read 687 times)

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Offline spongellaTopic starter

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  • Country: us
Am realigning an Icom IC-28A 2M mobile recently bought used.  The old memory battery is a CR2032 with solder tabs.  Got a replacement on EBay with the tabs, resoldered in place.  You'll find the battery by opening up the bottom cover.  The old battery was from 1999 and still holding a decent voltage and holding the memories but figured it'd be best to replace now. 

Radio was evidently modified by a previous owner to transmit the full receive range, possibly for MARS/CAP.  Diode 21 was clipped but I fixed that just to stay legal. Or in case the radio got stolen and into the wrong hands. 

Output is only 20 watts versus the specs that state 25 W high, have to determine the problem as I want to use it for simplex, line of sight stuff.

The radio does have CTCSS but as per the manual, only on three of the memory channels. Not a problem as I'm not a repeat user.  This is a decent radio, very easy to program, good audio and to boot has an available service manual well written.  Thanks for reading, any thoughts would be appreciated. 
 


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