Palomar 49
Documentation Project

CBTricks.com

Frequency Generation
PLL MSM5807
   
Frequency Mod

1. Remove the covers from the unit and the PLL covers.

2. Locate the MSM 5807 PLL chip and cut around Point B as shown, and soldera 3300ohm resistor across the cut.

3. Mount a DPDT center off switch.

4. Wire the switch as shown in Figure B to the corresponding points shown in Figure A.

5. The switch can now be used in the high position on channels 40 to 59 by selecting 11 through 27 on the dial. The low position will yield frequencies below 26.955MHz by selecting channels 27 down on the dial.

 

 

 

Adjustments
 
 
 

 

 


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we cannot guarantee that the instructions will work on every radio presented.