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Midland M20 Low Power
Posted: Mon Mar 08, 2021 1:08 pm
by NoName
Hi all.
The pot that controls the FM power output on my M20 has been destroyed by some ham fisted tweaker!
Does anyone know the rating of the pot so I can source a replacement?
Any tips for replacing these SM components too please?
Re: Midland M20 Low Power
Posted: Mon Mar 08, 2021 5:00 pm
by NoName
If it helps identify it, it's RP8 in the pic below.
Re: Midland M20 Low Power
Posted: Fri Jul 23, 2021 1:06 pm
by rhythmstick
Sounds like the previous owner was pretty determined to turn it up to eleven!
If you can find a circuit diagram for the radio, that may give the value of RP8. Midland themselves may be able to help you out with that.
If not, I would remove the component as it may have some markings on it to help you identify it's value. Failing that, a multimeter could save the day, so you can measure the resistance (max value) yourself.
Regarding removing it, you probably just need a soldering iron with a fine tip (not sure what temperature would be best) and a solder sucker or something like that. Just try to minimise the amount of time you are applying heat so you don't damage the component or the PCB.