[Yaesu] Intermittent deaf receiver/no RF out FT-890AT

[David Thompson]

Bill,

I have found on Yaesu transceivers that a board connection goes bad.  One of 
my Yaesu's stopped transmitting on 80, 17, 12. I found two wires to the RF 
board (I had just adjusted the output to 120 watts per the Tech manual). 
This might be a simple fix.

73 Dave K4JRB

----- Original Message ----- 
From: "Bill Lovell" <arsk7jbq at yahoo.com>
To: <Yaesu at mailman.qth.net>
Sent: Tuesday, August 02, 2011 1:33 PM
Subject: [Yaesu] Intermittent deaf receiver/no RF out FT-890AT


> At wit's end with this.
>
> The FT-890AT will be cruising along, then suddenly the receiver will go 
> deaf and the rig will not transmit. Just when I think it's a "permanent" 
> condition --- permanent enough to send off for service -- the thing will 
> spring back to life and works perfectly...and sometimes wait a few days 
> before it happens again.
>
> When "dead" it does receive on broadcast band AM, and receives and 
> transmits fine on FM. But SSB and CW, nada.
>
> Anybody ever have this happen and find a solution?
>
> 73,
> Bill. K7JBQ
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