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Icom M602 Question?

Old 02-04-2007, 07:48 PM
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Default Icom M602 Question?

I just finished installing the M602 on the boat this weekend, I have a external remote speaker from the last radio and hooked it up to the M602 per Icoms intructions but the speaker is silent? Does anyone know if the speaker output unamplifed? Is there a certian remote speaker that must be used for the Icom M602? Thanks ahead of time. NMEA as well as all other features work great.............Mark
Old 02-04-2007, 08:26 PM
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Default Re: Icom M602 Question?

pg 49 in the mnual shows the connections for an exernal speaker. Looking at the back the far left jack is the on you want.

The center pin is the + pole and the top right as you look at the back is the - pole.
Old 02-04-2007, 08:27 PM
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Default Re: Icom M602 Question?

It looks like it will work without an amplifier.
Old 02-04-2007, 09:06 PM
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Default Re: Icom M602 Question?

edyer - 2/4/2007 8:26 PM

pg 49 in the mnual shows the connections for an exernal speaker. Looking at the back the far left jack is the on you want.

The center pin is the + pole and the top right as you look at the back is the - pole.
You are exactly right this is how I have wired the speaker, same plug as the nmea. NMEA works fine but no joy on the external speaker?? I have double checked all connections. ....Mark
Old 02-04-2007, 09:52 PM
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Default Re: Icom M602 Question?

Strange. I can't imagine they would require an external amplifier.
Old 02-04-2007, 10:06 PM
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Default Re: Icom M602 Question?

they dont require an external amplifier, i hook speakers to them all the time and never had an issue like this.

i would double check that the speaker actually works, get a battery, connect one speaker lead to positive on the battery, and the other lead to the negative, you should hear a pop if the speaker is good.

what kind of speaker are you using?
Old 02-04-2007, 11:12 PM
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Default Re: Icom M602 Question?

Duct Tape - 2/4/2007 10:06 PM

they dont require an external amplifier, i hook speakers to them all the time and never had an issue like this.

i would double check that the speaker actually works, get a battery, connect one speaker lead to positive on the battery, and the other lead to the negative, you should hear a pop if the speaker is good.

what kind of speaker are you using?
I will test the speaker to make sure it works. Its not an expensive speaker I beleive it is a 4.5" Poly-Planar speaker. I will test it tomorrow after work and let you know the results. Thanks for the testing advice. I have the comand mic installed but since the speaker was all ready installed from the last radio I wanted to go ahead and wire it too since I had to do the NMEA. Its only two more wires.....Mark
Old 02-05-2007, 09:44 AM
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Default Re: Icom M602 Question?

You may want to check continuity on the speaker leads.
Old 02-08-2007, 07:39 PM
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Default Re: Icom M602 Question?

I replaced a cheap M45 Icom (excellent radio by the way) with a new Standard ......had a heck of a time getting the external speaker to work. Turned out to be a setting deep within the bowels of the menu system. That was discouraging......I doubt the ICOM would be so daunting (dumb was more like it). Just be extra sure it's not in any of the setup screen. Does your 602 have an intercom function? Might be tied in with those settings somehow? Just throwing out ideas........
Old 02-09-2007, 08:17 PM
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Default Re: Icom M602 Question?

I am going to check it out tomorrow. I will let you know what I find...Thanks for all the tips....Mark
Old 02-10-2007, 08:55 AM
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Default Re: Icom M602 Question?

I made a direct connection on my 602 to the hailing speaker output port and a 2-way speaker. No programming and worked great out of the box. The 602 has a listen feature where the hailing speaker picks up audio in the direction that it is pointed and amplifies it through the radio.

Don't confuse the hailing speaker port with the normal speaker extension that acutally comes off the GPS plug where there is a SP(+) and SP(-) output.
Old 02-10-2007, 07:17 PM
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Default Re: Icom M602 Question?

Ok guys it was the speaker. Checked it out today. Pulled the speaker and tested it and no go. Appreciate the Help on this. Something so simple!!!! Thanks.......Mark
Old 02-15-2007, 07:07 PM
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Default Re: Icom M602 Question?

Tried a new speaker today and everything is a go.....Thanks for the help.....Mark

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