Modifications for the Kenwood TR-3500
TR-2500/3500 dip switch setting
The following is a list of the Dip
Switch settings for the Kenwood
TR-2500/3500.
It is mainly intended for those who
have the radio but lack the info.
1=ON
0=OFF
SWITCHES
FREQUENCY !1-2-3-4-5-6
--------- -----------
67.0 1 1 1 1 1 1
71.9 1 1 1 1 0 1
74.4 1 1 1 0 1 1
77.0 1 1 1 1 0 0
79.7 1 1 0 1 1 1
82.5 1 1 1 0 0 1
85.4 1 1 0 0 1 1
88.5 1 1 1 0 0 0
91.5 1 0 1 1 1 1
94.8 1 1 0 1 0 1
100.0 1 1 0 1 0 0
103.5 1 1 0 0 0 1
107.2 1 1 0 0 0 0
110.9 1 0 1 1 0 1
114.8 1 0 1 1 0 0
118.8 1 0 1 0 0 1
123.0 1 0 1 0 0 0
127.3 1 0 0 1 0 1
131.8 1 0 0 1 0 0
136.5 1 0 0 0 0 1
141.3 1 0 0 0 0 0
146.2 0 1 1 1 0 1
151.4 0 0 1 1 0 0
156.7 0 1 1 0 0 1
162.2 0 1 1 0 0 0
167.9 0 1 0 1 0 1
173.8 0 1 0 1 0 0
179.9 0 1 0 0 0 1
186.2 0 1 0 0 0 0
192.8 0 0 1 1 0 1
203.5 0 0 1 1 0 0
210.7 0 0 1 0 0 1
218.1 0 0 1 0 0 0
225.7 0 0 0 1 0 1
233.6 0 0 0 1 0 0
241.8 0 0 0 0 0 1
250.3 0 0 0 0 0 0
Extended frequency TR-2600A
Here is some info on the kenwood model
tr-2600a handie - talkie....
If you want to be able to transmit on
the extended freq area then do the following mod....
-
Remove the front cover of the radio
-
Locate the ic chip in the lower right hand corner.
-
Find the 2 diodes number d32 and d33
(they should be the top two on the
right side of the ic chip, also
they have ben cut beforenand (re-soldered)
-
Un-solder the two diodes (breaking their connection).
-
Replace the front ctver.
-
Re-install the battery and turn the
unit on, then push the reset button on the back.
The tr-2600a should now be reprogramed
and it should also transmit anywhere it
will recieve...
I forgot to add that d32 and d33 on the
recieve board (but that is what is
under the front cover).
Jim - KD0PJ
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