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- ICOM 260E
- =========
-
- Look at your schematic diagram and find IC6, TMS1025NL.
- In order to alter the frequency coverage to 143.800 - 148.200MHz, solder in a
- diode from pin 4 to pin 39 of the IC. This modification is marked on the
- schematic diagram by the remark:
- (260A only).
-
- On the PLL/DRIVER UNIT near to IC7 there are four points marked A B C D.
- The new diode is inserted parallel to the one already present between point D
- and the common area.
-
- After some experimenting, it does not seem possible to further enlarge the
- frequency coverage.
-
- DD1US @ DB0IE.
-