Question about Motorola MU21CV (1 Channel) 2-Way Radio
My radio wont even turn on but before that it transmitted but couldnt receve on the other radios and vice versa.
Sounds like you do not have your radios programmed to match one another. The MU21CV is a user programmable model. You might call your local Motorola dealer or one of the companies online to have someone walk you through programming the radio(s). With this model it can appear the radio is not powering up, when it simply is not programmed correctly.
Posted on Jun 24, 2008
The problem of failing to power on can be caused by:
1. dead battery (may no longer hold a charge);
2. corroded battery terminals or connectors;
3. open wiring from the battery casing to the internal circuitry;
4. defective on/off switch; and/or
5. defective regulator component(s) on the main PCB.
On the other hand, problem on receive can be caused by:
a. defective or worn out volume control (if manual/rotary);
b. defective or worn out squelch control (if manual/rotary);
c. mismatch in PL or CTCSS code; and/or
d. defective internal speaker.
Most can be checked with the use of a continuity tester or a DVM. Repairs involve knowledge and familiarity with electronic components and circuitry and perhaps even the use of a soldering iron. Should you not be comfortable doing it yourself, perhaps your best bet would be to seek the services of a qualified professional.
Hope this be of help. Pls post back how things turned out or should you need additional information.
Good luck and kind regards.
Posted on Feb 06, 2008
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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