[Yaesu] Fwd: Deaf FT-901DM

[n3sb at qis.net]

I should add that I've tested the Attenuator switch and it is behaving OK.

73; Steve, N3SB

----- Forwarded message from n3sb at qis.net -----
     Date: Sun, 26 Apr 2015 14:45:35 -0400
     From: n3sb at qis.net
  Subject: [Yaesu] Deaf FT-901DM
       To: yaesu at mailman.qth.net

Hi Folks;

I picked up an FT-901DM recently that's got a deaf receiver. I've  
checked the antenna fuse and it's good. Also checked the first RF amp  
transistor by plugging it into a Kenwood radio, where it worked fine.  
I've re-seated the plug in boards and done a little other basic poking  
around. Getting 50 Watts out from the transmitter with an old pair of  
6146's.

The calibrator level is about S-7 on 20m, and the preselector does  
peak the calibrator in a normal way. However, when I connect a dummy  
load to the antenna connector, the calibrator level drops down to an  
S-1. Is this normal behavior??

73; Steve, N3SB


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----- End forwarded message -----