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CDM1250 No Power

N

nikronzo

Member
Joined
Dec 28, 2020
Messages
285
I am really scratching my head on this and can't seem to come up with a resolution despite working with Waris for years, got 2 CDM VHFs in.
No power up on either of them regardless of what I try, 12v ignition applied to rear, jumping pins 7&9, and pushing power on button.
Good working control heads, tested on other CDMs, so I know thats not the issue.
When power is applied, speaker on the control head makes a brief static blip or tick noise. Is there a rear accessory application I am missing or not remembering?
 
E

EWC_BDN

Member
Joined
Apr 25, 2017
Messages
167
I thought 12V to pin 10 was the IGN sense on that radio. Keeping in mind that the order of the pins is confusing on those radios. (plenty of good pictures of the layout online)
 
W

WB5UOM

Member
Premium Subscriber
Joined
Sep 5, 2022
Messages
423
If not external wiring, I seem to remember them having a 8 volt regulator. I found no 8 volts but did find 12 v on its input....changed out 8 v regulator.
I think it was that model its been awhile
 
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