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is it a grant or cobra

where can i find a schematic for this radio they completely took the mic gain out to put an echo board I want to put it back can find the pot value or where the wires connect
 
where can i find a schematic for this radio they completely took the mic gain out to put an echo board I want to put it back can find the pot value or where the wires connect
Sam's CB-221 supposedly has it. You can ask Dan if he has a copy in the "Sams PhotoFacts Collection" thread. I'm missing that volume.

 
Sam's CB-221 supposedly has it. You can ask Dan if he has a copy in the "Sams PhotoFacts Collection" thread. I'm missing that volume.

thanks
 
i have a grant xl,,, it has a heat sink on back over the finals,, finals are the right ones,,, but tag was moved to bottom cover i guess,,,my fault with setup is talkback switch put through top cover,,,
 

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