[Elecraft] XV222 RX is Dead, Need Advice

[Mark Adams]

Thanks Don,

I had a MAR6 in stock and installed it after breakfast. There is now a noticeable change in RX noise with the noise bridge turned on, but nowhere near what is needed, so I’ll order a Q3. 

73,
Mark K2QO
FN03ra



> On Sep 18, 2020, at 12:23 AM, Don Wilhelm <donwilh at embarqmail.com> wrote:
> 
> Mark,
> 
> Replacing those components will normally restore receive.
> 
> 73
> Don W3FPR
> 
> On 9/17/2020 8:57 PM, k2qo wrote:
>> During the recent September VHF contest I could only hear the absolute
>> strongest local stations on the XV222/K3 in my rover. It worked FB in June.
>> My XV432 worked just OK as usual. Stations told me I was the loudest signal
>> on the 222 band so the TX side is fine.
>> I put it on the bench and connected my Elecraft N-Gen. When turned on I
>> could barely detect an increase in noise. Tried the same on my XV432 and it
>> went from S0/1 to a solid S9.
>> I'm guessing that I somehow blew up U1 (an ERA6) and/or Q3 (an ATF 34143). I
>> don't have a good scope, RF generator, or RF voltmeter but kinda think
>> replacing both will fix my XV. A bad relay is an option too.