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[ATTACH=full]20595[/ATTACH]

Or no voltage getting to the PLL or to the cable. That PLL is getting rare. Check to see if it has had a channel mod hack and that all solder joints are good.

You can see from the schematic pic here that the entire feed thru that cable to the ch selector/LED comes from the PLL chip.

Check your voltage feed and ground to the PLL and ch selector/LED too.

http://www.cbtricks.com/radios/cobra/139xlr/graphics/cobra139xlr_sch.pdf

[QUOTE="Robb, post: 585226, member: 8446"] [ATTACH=full]20595[/ATTACH] Or no voltage getting to the PLL or to the cable. That PLL is getting rare. Check to see if it has had a channel mod hack and that all solder joints are good. You can see from the schematic pic here that the entire feed thru that cable to the ch selector/LED comes from the PLL chip. Check your voltage feed and ground to the PLL and ch selector/LED too. [URL]http://www.cbtricks.com/radios/cobra/139xlr/graphics/cobra139xlr_sch.pdf[/URL] [/QUOTE]

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