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TUCoPS :: Radio :: ft23r_1.txt

Yaesu FT-23R mods




FT23R.1
Instructions on modifying the Yaesu FT-23R 2M handheld radio for operation in
the Civi Air Patrol service.

* * * * * * * * * * * * * * W A R N I N G * * * * * * * * * * * * * * *

This radio is NOT type accepted other to show Part 15 compliance. Operation in
any service requiring the use of type accepted equipment is in violation of FCC
regulations.

1)  Remove the 3 screws from the top of the radio.  
2)  Remove the dial knob  
3)  Remove the 2 screws from the back of the radio.  
4)  Remove the battery  
5)  Remove the 6 screws on the bottom of the radio, where the battery     attaches.  
6)  CAREFULLY remove the front of the radio.  
7)  To the left of the microprocessor and battery are several printed
circuit pads. The pair labeled 7 will have a blob of solder across them.
Using a small soldering iron and solder wicking, remove the blob of solder.

8)  Re-assemble the radio in the reverse order of these steps.  
9)  The Microprocessor will PROBABLY reset all the memory contents.  
10) Operation of the radio remains the same, except that the transmit and
receive coverage will now extend from 140.000 Mhz to 164.000 MHZ.

        ************* ANOTHER MODIFICATION ************

THE YAESU FT-23R HT MAY BE MODIFIED TO RECEIVE(AND TRANSMIT) FROM
140MHz to 164MHz.  TO DO SO, REMOVE THE SOLDER BRIDGE MARKED "7".
IT IS NEXT TO THE LCD DISPLAY INSIDE.

73 AND CONTACT ME IF YOU NEED MORE DETAILS.
JEFF SPIRKO, N3GOB@KA3PLC.PA.USA.NA
R.D. 4, BOX 216
HONEY BROOK, PA  19344
73
 


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