[Icom] low output on IC 756

Tue, 31 Dec 2002 13:28:55 -0000

I went ahead and adjusted the trimmer, and whil the power was increased a
little, I don't think that is the problem. The best I can do now is 90
watts. I may just leave it there.

Thanks for the help so far guys.

73,

Nate/N4YDU
----- Original Message -----
From: "Siu Johnny" <[email protected]>
To: <[email protected]>
Sent: Tuesday, December 31, 2002 12:20 AM
Subject: Re: [Icom] low output on IC 756

> Hi Nate,
>
> Assuming the previous owner did not alter the TX peak and transmitter gain
> of the rig, R618 and R619 on the main unit are the trimmers for the HF and
> 50Mhz TX output adjustment respectively.  They are located at the left
hand
> side of the 455khz IF filter (the front panel is facing you and the bottom
> side of the rig is facing up).
>
> For HF adjustment:
> 1. set displayed freq 14.100000Mhz
> 2.Mode RTTY
> 3.[RF power] Max. CW
> 4.[Tuner] OFF
> Connect an RF power meter to [ant1] connector, adjust R618 for 100 watt
> output.
>
> Similar for 50Mhz but set the displayed freq. at 51.000000Mhz and adjust
> R619 accordingly.
>
> Hope this information useful to you but do not blame me for anything going
> wrong.
>
> Happy New Year, 73
>
> Johnny Siu VR2XMC
> ----- Original Message -----
> From: <[email protected]>
> To: <[email protected]>
> Sent: Monday, December 30, 2002 11:14 PM
> Subject: Re: [Icom] low output on IC 756
>
>
> > Hi Johnny. Thanks for the reply. The 70 percent was measured in cw mode
> with the
> > key down. I have an external watt meter (MFJ) and it read the same as
the
> meter
> > on the radio. It's like this on all bands.
> >
> > 73,
> >
> > Nate/N4YDU
>
> ----
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>