Question about Icom Radio Communications
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Posted on Jan 02, 2017
SOURCE: problem transmitting
i bought the same pair of motorola, and i hav the exact same problem
i found out that they work good only when they are on the same channel but the sub channel must be set on 0.
for example channel 22 sub channel 0 .
Posted on Apr 28, 2008
SOURCE: Meter Shows Signal, no noise
when you have no RX or TX at the same time, that most often means the pre-driver audio transistor is bad.
Posted on May 08, 2008
SOURCE: swr meter not moving.
If the radio is working don't worry about the meter unless you absolutely want it. These little meters are not very accurate or reliable. Get an external SWR meter to check the antenna.
Posted on Apr 23, 2009
SOURCE: Icom IC-2100H Sqealing
The squeal in this model is a famous problem. If you look at the circuit board, you'll see there are a few places where it looks as if someone kinda forgot to put in a ground screw -- even to the point that there are threaded holes in the casting just begging to be filled by the little screws used elsewhere nearby. Take 3 or 4 similar screws, put them in the remaining holes, and make sure all (including the existing ones) are snug. It seems there just weren't enough ground points for all the RF swirling around on the solder side of the board, so there's a bit of RF feedback on this radio. And as long as you've got about 16 amps of clean DC, you're fine; the power leads are correctly fused at 20 amps. BTW, the power amp module in this model is really only spec'd at 144-148; if you're running an odd "MARS or CAP" split, the PA brick can get way unhappy. HTH, -- Barney --
Posted on Jan 03, 2010
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