Question about Motorola CP185 (16 Channels) Two Way Radio

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Motorola UHF CP185 Transmitter Frequency Error Adjustment

It seems that this is a disposable radio since the tuner software has no provision or category for adjusting the frequenct error caused by component aging. Does anyone know of a way to adjust the frequency error besides sending the radio to Motorola Depot for repair for $145 flat rate out of warranty repair? Thanks David

Posted by David S. on

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Ian Gamble

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You can indeed adjust the frequency error on the CP185. You will need a very small (preferably ceramic, but you could get by with any) screwdriver. Use some alligator clips to power on the radio with the battery not attached to the back, and peel back the small circular metal sticker. Under it you will find a very sensitive potentiometer which you can adjust with your screwdriver, while transmitting, to fix the frequency error.

Motorola UHF CP185 Transmitter Frequency Error Adj - 97fd562c-c673-4e1c-b092-0267a77a0e6f.jpg

Posted on May 19, 2017

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Peter Philips

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Hi David,

If as you say the radio is a cheapie, so put it in your spare parts box and get one not so cheap.

But, as you say, the cost of repairs can be expensive, but this is dependant only by the quality of the radio being serviced.

The better the quality, the more reasonable the price, I've found.

I hope this answers your query to your satisfaction.

Cheers,
Peter

Posted on Mar 10, 2013

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I do have the feeling, for what it's worth, that it is in fact a UHF band radio, but don't take that as gospel.

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Hang in there my friend, there will be an answer soon.

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I'll look into it further as well....

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