PLL 5080
1)  Install 2 SPST toggle switches on the radio.
2)  Unsolder the
green wire thats attached to pin 8 of the PLL.
3)  Cut the trace that goes to pin 8 of the PLL.
4)  Resolder the
green wire to the side of the trace that doesn't touch pin 8 of the PLL.
5)  Solder a 100k resistor from pin 8 of the PLL to PCB ground.
6)  Solder all the wires from the 2 switches to the PLL as shown above.



With both switches down, you'll have regular CB channels

With switch 1 up and switch 2 up, you'll have lower channels
3 - 26.665                  
4 - 26.685
5 - 26.695
6 - 26.705
7 - 26.715
8 - 26.735
9 - 26.745
11 - 26.765
12 - 26.785
13 - 26.795
14 - 26.805
15 - 26.815
16 - 26.835
17 - 26.845
18 - 26.855
19 - 26.865
20 - 26.885
22 - 26.905
23 - 26.935
24 - 26.915
25 - 26.925
26 - 26.945


With switch 1 up and switch 2 down, you'll have the upper channels
11 - 27.405
12 - 27.425
13 - 27.435
14 - 27.445
15 - 27.455
16 - 27.475
17 - 27.485
18 - 27.495
19 - 27.505
20 - 27.525
21 - 27.535
22 - 27.545
23 - 27.575
24 - 27.555
25 - 27.565
26 - 27.585

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