...2990 is a base station and it would be tough to hook it up "backward". You either have a faulty On/Off switch or a bad voltage regulator circuit withing the power supply of the radio. It is not ...
rci 2990 won't keyup rci 2990 won't keyup If on all modes check the mic first to see if wired right or wires broken--this should have am-fm-lsb-usb---which works or do not work.
why does the rci 2990 go into scan mode when turned on everything something to do with powering up the radio from a cold start
radio heat sinks with hardware shipped for $10. So this method can pay off with some persistence. Also the board out of a Galaxy 2527 or an RCI 2990 will work as well. Ranger often
no transmit rci 2990 Check the RF output transistor, usually heatsinked to the inner chassis, microphone wiring needs to be checked for breaks since it is part of the circuit, sub another if possible.
rci 2990 will not key up. Bad or incorrectly wired mic (broken wires in mic or cable) OR transmit circuit has failed.Someone with a Dummy load/watt meter can test this safely.
rci 2990 mike wireing Mic Wiring Info Stock Mic Wiring 1. Ground Shield 2. Audio Yellow 3. Transmit Red 4. Receive Black 5. CH. Up White 6. CH. Down Blue
...2990 is really a 50 watt 10 meter amateur radio - but is geared to CBer's as it is easily modified to work in the CB frequency range and the so called "free band" between USA's CB (11 meters) ...
My 2990 mic gain keep sticking Clean the s switch..........
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