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Re: Ft-847



At 08:29 AM 9/8/2007, Don Blachura wrote:
>This is  a little off subject . Need a little help.....
>
>  Have been using a FT847 in PSK31 through a
>Rigblaster plus. The rig
>Transmits in CW with the paddles and the internal keyer. Also works CW
>The same without the keyer. When running USB PSK31 through the
>Rigblaster the rig works without any problems. Taking the PSK31 cabling
>Off the rig and reattaching the microphone, a MH31 hand mike, I get
>Nothing out of the rig. I rechecked all menu settings. I rehooked the
>Rigblaster back up to the FT847 and hooked the MH31 mike to the
>Ribblaster mike port. In this configuration the radio transmits in
>Sideband with no problems. On the FT847 Rig will not QSY with the buttons in
>the MH31 when it is hooked
>Directly to the FT847 but will function when it is plugged into the
>Rigblaster. Anybody have any thoughts on this, or prior experience? I
>Also tested the rig with another MH31 that works well on a FT1000D.
>Same negative results on the FT847. I also tried using an MD-100 desk
>Mic that works with the same FT1000D and tried that on the FT847 with
>Negative results. I hate to tear into this rig without having some
>Ideas as to what is going on. HELP.
>
>Don...w2xb

Don,

I run a FT-847 with HB interface to my computer soundcard and serial 
ports for such programs as psk-31, CW-Key5, WSJT, etc.
The Tx/RX audio and PTT connects thru the DATA jack on the back while 
CW program keys the CW jack.  The PTT line on DATA disconnects the 
front mic audio path, but only when the DATA PTT-line is 
energized.  The front mic works normally.  I never unplug anything to 
switch between software modes and normal voice modes.

It occurred that maybe there is a menu function involved, but I have 
never encountered your problem.  I suspect you will need to test the 
voltages on the radio mic jack to see if all is normal.  You really 
need to have the Yaesu service manual for thorough 
troubleshooting.  I bought one from Yaesu after market.


73,
Ed - KL7UW
======================================
  BP40IQ   50-MHz - 10-GHz   www.kl7uw.com
144-EME: FT-847, mgf-1801, 4x-xpol-20, 185w
DUBUS Magazine USA Rep dubususa@hotmail.com
====================================== 

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