Re: [Elecraft] K2/10 SN#543 Lower Po on 15/17M

[k2qo]

Leigh,

Power out on 12 and 10 are in the range of 12-13W.

Mark
K2QO
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[Elecraft] FS: XV-432

[k2qo]

I built this transverter in 2010 for the 
VHF contests and it was aligned by 
Elecraft service. (The power module was 
bad out of the box so they replaced the 
module and performed an alignment.) It 
puts out full power and works great with 
my FT-817. I'm working on simplifying my 
rover so this transverter must go. (I 
had it for sale last year but marked it 
sold as I could not part with it 
them.)Manual will be included.

The top cover has three holes to allow 
screwdriver access for the common 
adjustments which can be tricky with 
this unit. If you prefer an original top 
cover I'll swap it with the one from my 
XV-222 which is not for sale.

It is yours for $300 shipped via USPS to 
the lower 48 with full insurance. PayPal 
is preferred.

 




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[Elecraft] WTB: KX1

[k2qo]

If you do, please shoot me a picture or two, options and pricing. 

TNX es 73,
Mark K2QO
FN03ra



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[Elecraft] XV222 RX is Dead, Need Advice

[k2qo]

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.

Thoughts? I'd like to fix it to have for a spare as I plan on moving
non-BigE transverters for 222 and 432. 

73,
Mark K2QO
NF2RS/R for the September VHF 



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Re: [Elecraft] XV222 RX is Dead, Need Advice

[k2qo]

Don and gang,

I replaced Q3, U1 and the ADEX mixer. Results? Transmit works FB as before
and the RX still has no sensitivity. No change at all. I ran through the
setup related to the RX section and one thing stands out. 

Part VIII: RX Input Alignment
Trimmer cap C1 has no effect on the AC voltage at the phone output
connector. This is the same result I had before replacing the 3 parts.

I think I may be down to signal tracing starting at the N connector. But
without a list of test points and voltages, this may be a nonproductive
PITA. 

The next step is to sell this unit for parts or buy a working used XV222 so
I can backward engineer a solution. 

73,
Mark K2QO




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Re: [Elecraft] KPA500 cabinet buzz

[k2qo]

After much searching, this 2.4 year old thread is the only info I can find on
this issue. I bought a factory built KPA500 a few months ago and mine buzzes
on CW key down. Af first I thought maybe this is normal as I never owned an
HF amp. Now I think it is a problem. 

Any know how to fix this? I can shoot a short movie if that helps.

73,
Mark K2QO



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[Elecraft] K2 I/O Problem Fixed

[Mark, K2QO]

Hi Gang,

Here is the Readers Digest version of my repair. Bottom Line?  The Max 1406 
chip on the I/O board was toast and Don Wilhelm was instrumental in getting me 
back on line.

On Friday evening of FD setup this year, my K2 (SN#543) worked FB and was 
talking to the computer at the K2ZR/Buffalo Lighthouse Crew FD. On Saturday, 
the op took the seat and, well, no info from the rig. H. Everything was 
unplugged overnight so the thunderstorms shouldn't have had an effect. Maybe 
ESD from plugging in the first antenna? Who knows.

During troubleshooting after FD, I caused a smoke release from L1 on the 
daughter board which is plugged into the front panel. This caused complications 
as I had no spare. 

But, THANK GOD we have Don Wilhem on the job! He guided me through the whole 
process with about 4 email go-arounds and SHAZAAM, a final determination that 
the MAX1406 likely died. A call the the Big-E, three days for the pony express, 
and about 10 minutes ago my favorite rig was moved from the workbench to the Op 
table where it is supposed to be. Fixed and ready for DX.

For the past few weeks I had my FT817 (IF rig for uW work) and my FT100D (Rover 
and 6M) on the Op table. They are not even in the same league as the K2. And to 
think that I've been considering a new fancy Yaesu to take over for the old 
K2.

73,
Mark, K2QO
FN03ra
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