When Mic is keyed TX illuminates but no green nand red bars light up. Anh help appreciated.

It sounds like you are using the wrong mic for the radio or the mic has been wired incorrectly or the mic has become faulty or the radio has become faulty. Unplug the mic and see if the radio receives and works correctly. You should be using a Yaesu model MH-36b or a MH-42B microphone.

White wire is RX or receive control.
Red wire is TX or transmit control.
Green wire is audio lead.
Bare wire is audio shield or common.
If for some reason your M2 has a different color code see the mic cable to M2 board connection.
From the tab side it is audio(green), TX (red), shield, RX ( white).

LINK WITH DIAGRAM....
http://www.wearecb.com/cb-microphone-wiring.html

I'll bet that the A.W.I. is out of adjustment. give it a little twitch of a turn and see if the red light goes out.

your swr setting are off wack fix your swr

the tx/rx liight is green when your radio is recieving signals and turns red when you are sending signals. the ANT light is red when your SWR is too high (over 3)

1. turn the knob labeled swr cal all the way counter clockwise
2. set the rf swr cal switch to the CAL position
3 key up the mic and hold it while you rotate the swr cal knob until the needle reaches the swr cal postition
4. set the swr cal rf switch to the swr position
5. key up the mic while on chanel one (record the the number)
6. switch to chanel 40 key up the mic (record the number)
if the number on chanel one is lower than the number on chanel 40 then your antenna is too long.

thats pretty normal, it takes a good second or two to warm up and the display to turn on(at least0, you get the green flashes as you hold for on, 1 sec is a long time at times, lol, be patient, no problem with your tv!

Yep that should happen.
Green or no color in receive mode
Red when you key the mic to let you know when you are transmiting

make sure your s/rf switch is in the right place on the radio is the most common problem i have found

Hi,

If the radio receives OK and the TX red LED will not lit up when keying the mic, then it is a mic or mic cord or mic connector problem (or pin configuration). Internally to the mic, there is a switch for keying the PTT. This should be check down to the coiled cord to the connector.

If all of the above checks OK, then you would need to check the TX/RX regulator/switching circuitry.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

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