lighting and problem with
rs232. What was the solution? Help me!
73 de juha - oh6os
K3 #2100
K2 #4781
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I can't using K3 Utility with rs-232.
juha - oh6os
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Thank you,
I have got just these instructions. I have to check these voltages and parts
on KIO3 board.
juha
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Hi,
I can send commands PC to radio but K3 don't send information to PC.
I checked RFCs, every had 4,7 ohm. There was -8,4 V at U1 pin 8. U1 is not
hot.
Is U1 broken?
juha - oh6os
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. Then there
is CW WGHT On? After that every entries has wrong upper line!
73 de juha - oh6os
K3 2100
K2 4781
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. Then there
is CW WGHT On? After that every entries has wrong upper line!
73 de juha - oh6os
K3 2100
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with KAT100 work correctly with these same antennas.
What is the problem?
juha - oh6os
K2 #4781
K3 #2100
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hello,
There is distortion on ssb with beta 4.18. Normally I use COMP 20 and MIC 11
with Heil HC-4. Now I try COMP 10, but audio was still not good.
juha - oh6os
K3 #2100
K2 #4781
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Not so good behavior on the contest, where is alltime tuning.
juha - oh6os
ab2tc wrote:
Hi,
No, please, this is not a power calibration issue! A huge number of K3
users have complained about this propensity of the SSB power to aim
conservatively for 50-80% of the requested peak power
have? Is this feature of new LPF on DSP board?
juha - oh6os
K3 sn 2100
k2 sn 4781
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Hello,
I am thinking to buy KRX3. The main K3 I have 2,8 kHz and 400 Hz filters.
What I need to subRX? Is 2,7 and 500 good choice and do I need KFLMATCH?
juha - oh6os
K2#4781
K3#2100
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Many thanks for replies.
I made ordering and took 2,8 and 400 filters. The same as main rx. I think
that is best choice, if I will be interesting diversity receiving in the
future.
juha - oh6os
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. But it not happens
every time.
Have you noted same or any solutions?
juha - oh6os
K3 #2100
K2 #4781
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Help!
I was using K3 as monitor when I measure signal path on my Drake R4C. Now K3
don't receive. Antenna tuner works, but without tuner big SWR. I think there
was high voltage (abt 140V) on ANT2. What is the first place I must check?
K3, KPA3 100W, KAT3 ATU, KBPF3...
juha - oh6os
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Hello,
AFX sounds distortion with phones and at bin mode audio has almost gone.
With speakers AFX works fine, maybe some crack when change on-off and
1...5-bin. Is it broken?
juha oh6os
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computers COM port is broken too.
But I tested with another working COM and the same situation; don't work.
4) Pressing TUNE K2 show "0.1 9.9-1" (10W) and 1 1.0-1 (100W).
I replaced D16 and D17 on KPA100. Nothing changed.
juha oh6os
What next
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Tnx for replies!
Have to check DC voltages first. But very sure I must to change U4 (RS-232
IC) and U1 (microcontroller) at least.
juha oh6os
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For sale:
K3 with well options (list below). Radio is in very good condition. My good
friend, he is eletric professional, only built this radio. He worked one qso
and sold it me, he was only intereting building elecraft! Serial number 2100
and all modification made. Price is 1590€ + shipping or
juhakas...@gmail.com
or
oh...@sral.fi
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Hello,
I burned out GAP1 on KXV3 board, too much RF, hi.
What is this component? Overvoltage? Need to know to chage it. Tnx.
juha oh6os
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