STANDARD C520 C528 how to repair if squelch is not working

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STANDARD C520 C528 how to repair if squelch is not working: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

If squelch on your STANDARD C-520 or C-528 is not working then check and repair the vias as shown in the picture.

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