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Re: D-104 Silver Eagle Mic Squeels
Hi, usually when they refer to putting a cap in, their talking about adding a .01mfd disc cap to the white audio lead wire up inside the bottom of the mic. Just follow the cord into the bottom of the mic, by taking the bottom off. find the white(audio) wire where it fastens to either the board or the terminal strip. Just unsolder the white wire and add the cap and resolder the other leg of the cap back where the white wire was removed. Some people even use a cap and resistor combo. Sometimes using a .001 cap from the audio line to ground then a 4700 ohm resistor will work in extreme cases. http://www.qsl.net/wa2mzf/d1044.jpg You can experiment with different combo to see what will work for you. Hope this helps you out, let us know,,, Mechanic
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More information please. Re wire existing? Hand mic or desk style? It is often cheaper to buy a new one when you look at the time to do it well. Sometimes you can buy a mic cord and re solder the head to it.
Assuming you have the correct mic for the radio (HMN9030 or PMNN4013). It is possible
1) you have accidentally plugged the mic into the radio with the radio turned on, (this will cause the radio to receive but not transmit. It can simulate VOX.)
2) you have a bad audio accessory jack,
3) you do not have the mic plugged all the way in (you will feel a slight click when the mic is seated properly)
4) you have a bad mic or bad mic cord.
1) With the radio turned off, replug in your mic (feel for the click), then turn your radio on, and see if it works.
2) Try a known good mic from another unit.
3) If none of the above solve the problem, send your radio along with the mic to a repair facility and have the jack tested. (FYI: Flat rate repair on this style radio is currently around $85. Cord replacement on the mics can average $27 to $38.)
If this is a Turner Roak King RK56 (not another brand), and it is a newer mic, here is the wiring information that comes with them when I get them unwired. If you are unable to see the picture, please email me at firstname.lastname@example.org, and use the subject "RK56 wiring information needed"
Before getting into the radio, I would check the following: If you are using hand mics, or a desk top mic, have you tried unplugging the mic and seeing if your sound returns? It could be a bad mic, mic cord or damaged mic connector.
Another thing to check would be the antenna connections and continuity. It is possible you are simply not receiving.