Realistic
TRC-452 (21-1521)
Documentation Project
CBTricks.com
Frequency
Generation |
PLL UPD858 |
Frequency
Generation |
|
1.
Remove the unit from is cabinet and unsolder the PLL unit from the
circuit board.
2. Cut
the tAaces of pins 19 and 20 as shown in Figure A.
3. Solder a
3300ohm resistor across each cut as also shown in Figure A.
4. Obtain
a 3PDT center off switch and wire it as shown in Figure B.
5. The
unit will now work on channels 40 to 53 using 20 to 33 on the selector
and 15 channels below 1 using channels 15 down.
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Disclaimer:
Although the greatest care has been taken while compiling these documents,
we
cannot guarantee that the instructions will work on every radio presented.