[ICOM] IC-2710H VHF Output Power ?

Rob rob at gallagher.net
Sun Oct 9 21:32:57 EDT 2005


The current is low around 9amps versus the 11.5amps as stated in the manual.

I am thinking the APC circuit but I'll check the module as well.

Thanks,

Rob




----- Original Message -----
From: "Gary Fiber" <gfiber at comcast.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Sunday, October 09, 2005 9:16 PM
Subject: Re: [ICOM] IC-2710H VHF Output Power ?


> Rob,
>
> When you get to looking at the service manual you might look at see
> what voltage is going into the control pin on the power brick. If its
> near source voltage it might be the brick in trouble or a cap with in it.
> sometimes you can lift the output pin and terminate that into some
> coax that is attached to a wattmeter and dummy load. If the power is
> restored then suspect the output filter.
> Check to see kind of current is it drawing at full power. If near
> specified current draw then I would again suspect the output filter
> OR a connection with in the brick in trouble.
> Some have been successful re soldering the chip caps inside the brick
> when there might be a cracked solder joint.
>
> Gary K8IZ
>
> At 01:20 PM 10/9/2005, you wrote:
> >I just got an almost new condition IC-2710H.  Output on UHF is right
where
> >it should be. However,  The VHF side is only at 25 watts.  All the power
> >setting appear low for the VHF side.  Using the internal POT to turn it
up
> >does not provide any change other then being able to turn it down
further.
> >
> >I would think it might be the power output module but the failures I have
> >see with those tend to be sub-1watt type of output.
> >
> >I don't have a copy of the service manual.  Any input is greatly
> >appreciated.
> >
> >Rob- W3RG
> >
> >BTW, I did get two of these units the other one works as it should.
> >
> >----
> >Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> >Icom Users Net: Sundays, 1700Z, 14.316 MHz
> >Icom FAQ: http://www.qsl.net/icom/
>
> Gary Fiber K8IZ
> GROL PG-19-6691
> Washington State Resident
>
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/



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