[Yaesu] FT990 VR2005 S Meter Adjustment

[jeryb77]

Thomas,
VR2005 is the S Meter zero adjustment
I would just disconnect any antennas and use it to set the meter to 0
HTH
Jerry

----- Original Message ----- 
From: "Thomas Giella KN4LF" <kn4lf at tampabay.rr.com>
To: "a Yaesu QTH eList" <yaesu at mailman.qth.net>; "a Yaesu COL eList" 
<yaesu at contesting.com>
Sent: Thursday, January 13, 2005 11:13 AM
Subject: [Yaesu] FT990 VR2005 S Meter Adjustment


> Hello To All,
>  I used to own an FT-990 plus the service manual too but have long ago 
> sold the rig. I received the email attached below from John WB5YVS. He 
> accidentally
> changed the S meter setting adjustment for VR2005 under the trap door on 
> the top of the rig. Can anyone advise just what this setting does to the S 
> meter circuit, how critical it is and how to get the adjustment back to 
> where it should be?!
>
> ----- Original Message ----- 
> To: <kn4lf at arrl.net>
> Sent: Wednesday, January 12, 2005 11:09 PM
> Subject: FT990 VR2005
>
>
>> Thanks Thomas for the quick reply. Yesterday I was adjusting the
>> CW volume control on  my Yaesu, I got distracted and noticed
>> that I was in the wrong pot, I was in VR 2005 on the next board,
>> I returned it as close to where I thought it should be.  I'm really
>> a lid when it comes to the solid state rigs.  I traced the VR2005
>> on the schematic, and it looks like it is the S Meter circuit, I hope.
>> What is the VR2005 and what do you think, and if its out of alignment
>> can I fix it with limited equipment.
>> I live in a rural area, the closest tech. are in Dallas and that's
>> quite a trip. I operate 40 meters. mostly and the bands have been so
>> bad today that I don't trust getting on and asking how do I sound, the
>> S-Meter does look light.
>> If you can help, I would be grateful.
>> John H. Nobles
>> WB5YVS
>
>
> 73,
> Thomas F. Giella, KN4LF
> Retired Space & Atmospheric Weather Forecaster
> Plant City, FL, USA
> Grid Square EL87WX
> Lat & Long 27 58 33.6397 N 82 09 52.4052 W
> kn4lf at arrl.net
> Propagation eReflector: 
> http://lists.contesting.com/mailman/listinfo/propagation
> KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: 
> http://www.kn4lf.com/kn4lf5.htm
> KN4LF Daily LF/MF/HF Radio Propagation Outlook: 
> http://www.kn4lf.com/kn4lf6.htm
> KN4LF HF/MF Radio Propagation Theory Notes: 
> http://www.kn4lf.com/kn4lf8.htm
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>
>
>
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