Re: [Elecraft] ERR TXG No Power Output

[Jim McCook]

Problem solved (so far)!  I removed all cables from the K3, opened the 
top and re-seated all the TMP connectors. When removing the cables I 
noticed the screws holding the RS232 connector were  loose and the 
connector was very slightly unseated on the left side.  After putting 
everything back together the K3 was transmitting normally again.  After 
several on/off cycles during the day it seems OK. Thanks for all the 
suggestions.


It was good to hear Eric say all the Elecraft employees are safe!  
Hopefully their homes are, too.


Jim W6YA
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Re: [Elecraft] ERR TXG No Power Output

[Jim McCook]

Martin, thanks for the suggestion.  It sounds like a likely source.  It 
was also suggested to be a bad transistor in the LPA.  His was from 
experience, also.  Will first reseat those TMP and other connectors this 
weekend.  I'll try to reach telephone support on Monday before I ship it 
to Elecraft for a lengthy repair time.  I know the fires have affected 
them already.  Very sad.  73, Jim W6YA

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Re: [Elecraft] ERR TXG No Power Output

[Martin Sole]

My first thought would be that if re-seating TMP connectors does not do 
it then possibly one of the 0.1uF decoupling capacitors on the K-REF3 
board. Had that on 2 radios now and on one of them twice.


What is the serial number of your K3?
On both of the problem radios I've had this happen almost exactly the 
same, fine one minute gone the next, both radios were sub 500 S/N's so 
getting on a bit.


Regards
Martin, HS0ZED


On 22/8/63 18:54, Jim McCook wrote:
Pete, the problem occurs with the K-3 connected directly to a dummy 
load or various antennas.   Power is read on K3 and Bird wattmeter.

Mike, I'll try reseating all TMP connectors if there is no magic bullet.
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Re: [Elecraft] ERR TXG No Power Output

[Jim McCook]

Pete, the problem occurs with the K-3 connected directly to a dummy load 
or various antennas.   Power is read on K3 and Bird wattmeter.

Mike, I'll try reseating all TMP connectors if there is no magic bullet.
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Re: [Elecraft] ERR TXG No Power Output

[N4ZR]

Hi Jim, are you seeing these issues with the control cable between the 
K3 and the KPA-1500 connected?  Are you reading these output numbers on 
the K3, the KPA-1500 or an independent power meter?


73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 8/22/2020 11:16 AM, Jim McCook wrote:
I have a spontaneous K3 failure after making no changes. This morning 
my K3 has only 1 or 2w power output when set to 100w or around 32w 
when the KPA1500 is turned on and set to OPER.  It's the same on all 
bands and with a dummy load.  It worked fine last night for several 
QSOs.  I tried a 5w TX GAIN calibration but it failed with erratic, 
varying low power readings.  I loaded a previous Configuration file 
but that didn't help.  Whenever I press TUNE I get the ERR TXG message 
after shutting it off.  Power in TUNE is set to 50w, but when I hold 
TUNE the display flickers between 2 and 8w.  Any ideas?  Jim W6YA

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[Elecraft] ERR TXG No Power Output

[Jim McCook]

I have a spontaneous K3 failure after making no changes. This morning my 
K3 has only 1 or 2w power output when set to 100w or around 32w when the 
KPA1500 is turned on and set to OPER.  It's the same on all bands and 
with a dummy load.  It worked fine last night for several QSOs.  I tried 
a 5w TX GAIN calibration but it failed with erratic, varying low power 
readings.  I loaded a previous Configuration file but that didn't help.  
Whenever I press TUNE I get the ERR TXG message after shutting it off.  
Power in TUNE is set to 50w, but when I hold TUNE the display flickers 
between 2 and 8w.  Any ideas?  Jim W6YA

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Re: [Elecraft] Err TXG message

[Victor Rosenthal 4X6GP]

Igor,

Try this: attach the dummy load and then tune the ATU into it. Then 
switch the ATU to BYPASS for the calibration.
I am not sure why this helps, but it is worth a try. This is only for 
the non-S version K3, in which the ATU is not really bypassed.


73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
.
On 01/07/2020 23:48, Igor Sokolov wrote:
My K3 S/N 1651 has developed a problem showing ERR TXG message from time 
to time on different bands and 2.5:1 SWR on 28 MHz even into dummy load. 
In fact I think these are two separate unrelated issues, but I might be 
wrong.


TX gain calibration fails for 5 W (does not go above 4.5W) and works OK 
for 50W everywhere but on 28 MHz because of high SWR.


I have filled in the tech support  form on the Elecraft site about a 
week ago but did not receive no response. I understand that is 
associated with COVID problem. So may be someone on the reflector can 
advise me what to do. Sending the radio back to the factory is not an 
option.


73, Igor UA9CDC

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Re: [Elecraft] Err TXG message

[Don Wilhelm]

Igor,

Try doing the TX Gain Calibration manually (described in the manual).
It is a bit tedious because it must be done on a band by band basis.

An email to supp...@elecraft.com may get quicker attention than the form 
on the webpage.


73,
Don W3FPR

On 7/1/2020 4:48 PM, Igor Sokolov wrote:
My K3 S/N 1651 has developed a problem showing ERR TXG message from time 
to time on different bands and 2.5:1 SWR on 28 MHz even into dummy load. 
In fact I think these are two separate unrelated issues, but I might be 
wrong.


TX gain calibration fails for 5 W (does not go above 4.5W) and works OK 
for 50W everywhere but on 28 MHz because of high SWR.


I have filled in the tech support  form on the Elecraft site about a 
week ago but did not receive no response. I understand that is 
associated with COVID problem. So may be someone on the reflector can 
advise me what to do. Sending the radio back to the factory is not an 
option.

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[Elecraft] Err TXG message

[Igor Sokolov]

My K3 S/N 1651 has developed a problem showing ERR TXG message from time 
to time on different bands and 2.5:1 SWR on 28 MHz even into dummy load. 
In fact I think these are two separate unrelated issues, but I might be 
wrong.


TX gain calibration fails for 5 W (does not go above 4.5W) and works OK 
for 50W everywhere but on 28 MHz because of high SWR.


I have filled in the tech support  form on the Elecraft site about a 
week ago but did not receive no response. I understand that is 
associated with COVID problem. So may be someone on the reflector can 
advise me what to do. Sending the radio back to the factory is not an 
option.


73, Igor UA9CDC


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[Elecraft] ERR TXG in 5W calibration mode

[Julius Fazekas n2wn via Elecraft]

Just now updating an older K3 with 5.14 using an old winXP machine. The 50W
cal went as expected, the 5w cal gives me an error message: ERR TXG.
starting on 160. During calibration it only reaches 3.3W at 1.1:1 SWR. I can
go an adjust to 5w and it reads 1.0:1 when using a manual key. Tried the
calibration again at this point and it made it through 160 and hung on 3.750
MHz, same readings and issue.

I can set the rig and run CW fine @ 5w. calibration doesn't work. Haven't
tried going back to the old firmware, but see not reason the new FW
shouldn't work. Any suggestions?

Thanks,
Julius
n2wn



-
Julius Fazekas
N2WN

Tennessee Contest Group
http://www.k4ro.net/tcg/index.html

Tennessee QSO Party
http://www.tnqp.org/

Elecraft K2#4455
Elecraft K3/100 #366
Elecraft K3/100 
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/ERR-TXG-in-5W-calibration-mode-tp7603793.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] ERR TXG in 5W calibration mode

[Pierfrancesco Caci]

 Julius == Julius Fazekas n2wn via Elecraft elecraft@mailman.qth.net 
 writes:
Julius I can set the rig and run CW fine @ 5w. calibration doesn't
Julius work. Haven't 
Julius tried going back to the old firmware, but see not reason the new FW
Julius shouldn't work. Any suggestions?

make sure to use a recent K3 Utility. 

-- 
Pierfrancesco Caci, ik5pvx
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[Elecraft] ERR TXG

[km5ps]

I have posted this once before but thought I might ask again if anyone 
else has had this problem lately that did not deal with the filter 
settings being set wrong.  My filter setting are correct I have doubled 
checked them. I have a 2.7 stock filter with the offset at -.85, which 
is what is written on the filter.  I have had this rig for about 3 years 
now and never a problem on the transmitt.  It does not pass the 5 or 50 
watt calibration.  When in transmitt is shows 0.0 watts out.  On the 5 
or 50 watt calibration test , it show 1.4 watts out .I have also 
been in contact with Gary at Elecraft, but I guess that are gone today 
and probably the rest of the week for Thanksgiving.  So I thought I 
might ask here if anyone knows what else I can check for this problem.  
This is what Gary advised me to check and I have done so.
 From Gary-AB7MY at Elecraft:
*T**ry checking the TMP cables inside the rig are not loose, and also 
wiggle the TXCO on the KREF3 board to see if it is not making good 
connection.**
* *
**Was there a storm nearby with lightning recently? If so, some damage 
may have occurred to the PIN diodes in the rig.***( Yes but I had all 
cables unplugged from rig except power from power supply and computer)
*
**And:**
**See if the gate to ground resistance on Q2, Q4, Q5 of the LPA is quite 
low, or much less than 1K to 2.5K which is the bias pot setting for 
those transistors. Also you can touch the tabs of the 3 LPA transistors 
when in transmit for 1-2 seconds to see if they are not getting warm as 
expected. Do not transmit longer than that with the bottom panel 
removed, and use care to not burn your finger.**
*
These are my findings so far.  on Q2   4.26k ohms,  on Q4  3 k ohms and 
on Q5  3 k ohms.  The LPA transistors seem to warm up also,  as tested 
above.  All cables and TXCO all seem to be fine also.

I was hoping that some of you tech guys might have idea of what I can 
test next.  Looks like I will probably have to send it in, but would 
like to find a fix, if I can.  Bad time of year to send it in with all 
of the Holiday's coming up.

Any help would be great.

John
KM5PS
K3# 3906
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[Elecraft] ERR TXG ON CALIBARTION

[km5ps]

Where can I look for more information on a ERR TXG error.  I turned on 
the K3 today and was not getting any power out, did a tx calibration in 
K3 Utility  and got this error  ERR TXG.  I am sure there has been 
postings before, but I don't know the link to search for them.
Any help would be great.  Also would a factory reset fix the problem?  
Running MCU  4.51.



TIA
John
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Re: [Elecraft] ERR TXG ON CALIBARTION

[km5ps]

On 11/17/2012 3:13 PM, km5ps wrote:
 Where can I look for more information on a ERR TXG error.  I turned on
 the K3 today and was not getting any power out, did a tx calibration in
 K3 Utility  and got this error  ERR TXG.  I am sure there has been
 postings before, but I don't know the link to search for them.
 Any help would be great.  Also would a factory reset fix the problem?
 Running MCU  4.51.



 TIA
 John
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I need to mention that it does this on Low or High power settings and 
does not pass the 5 watt calibration either.

John
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Re: [Elecraft] ERR TXG problem - PROBLEM SOLVED.

[David Quental]

Hi all,

just to tell you that problem is solved due to big help of Elecraft
Support, in person of Gary AB7MY. I did a small mistake but tks help of
Gary I was able to solve it and at same time the ERR TXG problem.

Tks a lot all and long life for Electaft

CT1DRB
David Quental

 David, Try the manual TX Gain as described on page 49 of the K3 Owner's
 Manual.

 Select Ant 1 using the ANT pushbutton and check that the dummy load is
 attached to Ant 1 out.

 73, FRED, AE6IC, K3 #2241

  

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[Elecraft] ERR TXG problem.

[David Quental]

Hello a

since yesterday I am at my home and have begun to assemble my Elecraft
K3. All went fine until I have reached the ERR TXG problem. When I use
the Elecraft K3 Utility I get always the same:

Starting 5 watt calibration.
Calibrating at 1,900 MHz
Calibration power settled at '  0.0 W ;'
5 watt calibration failed.
Elapsed time: 8,9 secs

Any help will be welcome, tks in advance.

CT1DRB
David Quental

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[Elecraft] ERR TXG problem.

[Alfred Frugoli]

Hi David,

I ran into a similar problem a few weeks ago.  Are you using the latest K3
Utility?  Try using the manual calibration procedure in the K3 Manual.  Does
that work?  I had a similar problem that was related to an updated that the
K3 Utility needed.  I think the latest K3 Utility is on the web site now
though.

Good luck.

73 de Al, KE1FO

K3 #3055
K3 #4094
-
Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com.



On Sat, Apr 17, 2010 at 10:49 AM, David Quental ct1...@gmail.com wrote:

 Hello a

 since yesterday I am at my home and have begun to assemble my Elecraft
 K3. All went fine until I have reached the ERR TXG problem. When I use
 the Elecraft K3 Utility I get always the same:

 Starting 5 watt calibration.
 Calibrating at 1,900 MHz
 Calibration power settled at '  0.0 W ;'
 5 watt calibration failed.
 Elapsed time: 8,9 secs

 Any help will be welcome, tks in advance.

 CT1DRB
 David Quental

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Re: [Elecraft] ERR TXG problem

[Fred Atchley]

David, Try the manual TX Gain as described on page 49 of the K3 Owner's
Manual.

Select Ant 1 using the ANT pushbutton and check that the dummy load is
attached to Ant 1 out.

73, FRED, AE6IC, K3 #2241

 

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[Elecraft] ERR TXG in VFO B, now what?

[Bruce Meier]

After almost 2 years of use, I finally decided to install some of the mods.
All was well after installing the first few mods.  RX/TX full power, etc.
However I did not do any of the calibrations.  Tonight I installed the last
mod that I was going to do at this time.  Should have stopped earlier.  The
mod I installed last was the Improving the Immunity of the Rear-Panel RS232
and Audio Connectors to RF mod.   The one that jumpers out the RFCs.  Well,
it went well.   I put jumpers on L3, L5, L8 and installed the Microphone
Choke bypass jumper on the REV XD  Audio I/O module.   Then I put a jumper
on L1 on the Remote I/O module.   Put the K3 back together and started
testing.  

COMMENT:  The only mods that I put in had to deal with removing the bottom
front cover and the I/O modules.  NONE that required removing the front
panel or KRX3.   The Synthesizer mod was already in (for weeks).

I put it all back together and the RX was fine.  Did not try to XMIT.  That
worked fine last night and I did not do anything that had anything to do
with XMIT. I thought. I then decided to do all the realignments.   I
started with the TX Gain.  The 5 w part worked GREAT.  The 50  watt part
failed with an ERR TXG in VFO B.   Since then - - 

I reloaded the firm ware: 3.79 - did nothing
I loaded an old version as I never did the  TX Gain calibration with this
rev firmware:   did nothing
I tried to calibration with my other K3 on the current 3.79 firmware -
worked fine
I then did a save from my good K3 and loaded the config in my 'bad' K3 - did
nothing
I took the bad one apart to see if there was anything I could see that was
wrong - NOTHING VISIBLE
I put it all back together and tried the manual TX GAIN - not using the GUI
- the 5 watt worked fine / the 50 watt failed at about 6 watts again with
ERR TXG in VFO B
I then decided to try the Synthesizer calibration just to see if anything
else did not work.  That worked fine.

According to the manual ERR TXG indicates the gain constant is out of
range.  Not sure what that means or what to do next.
The book also suggests that the problem could be related to a band-pass
alignment or one of the low pass filters.
So, I tried the manual alignment on all bands (160 - 10)- CONTINUED TO FAIL
with roughly 5 - 7 watts showing in VFO B display area.

The ONLY thing I did in the 100w amp area was to install the diode for 12v
sense.   I already tried removing that ... no change.

My Config:

3.79 and all associated other same rev firm ware
K3/100 - 2.7, 400,250 filters
KRX3
KAT3
KXV3 - 2.7 filter

Suggestions?

73,
Bruce - N1LN
K3 # 1062  (QRP only)
K# # 1193 (working fine)

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[Elecraft] ERR TXG when running 50 watt TX calibration procedure

[Alfred Frugoli]

Hello everyone again,

Thanks for the quick replies on the K3 Utility errors I was having last
night.  5W TX manual calibration worked just fine.

Now I've got my KPA3 installed, and when trying to run the manual 50 watt TX
calibration procedure, after going in to Tune mode (pressing and holding
XMIT/TUNE for 1 second), the display shows - - in VFO A and 0W in VFO
B.  When I press XMIT/TUNE again to exit from Tune mode, VFO B reads ERR
TXG.  I have my FLTX set to FL1 ,which is the 2.7K filter, for all modes.  I
have run the Synthesizer calibration procedure already, as well as the
Reference Oscillator calibration using Method 2 (zero-beating).

Thoughts?

73 de Al, KE1FO

-
Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com.
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[Elecraft] ERR TxG

[Mike Kasrich]

Ok Ive completed the watt meter calibration and the radio and external 
meter both are in agreement now but a new problem has raised its head.  
( sort of remember this happening when I first put the rig together but 
the error didnt repeat).  When I do the Tx gain calibrate the utility 
says there is too high an swr (cantenna is still attached 50 ohm 
approx)  160 calibrates but the error (ERR TxG) starts there after on 60 
or 40.

More thoughts?  I wonder if Wayne watches email on the weekend.

Mike/aj9c
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[Elecraft] err txg

[Randy Downs]

All of a sudden getting err txg only on the 5 w cal routine using K3 utility. 
Getting unexpected response ds1\xb1ix90\x80; ds; state 153 ..
50w cals fine.
any ideas?
Randy
K8RDD s/n2737
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[Elecraft] ERR TXG

[Paul Kirley]

VE2SHF sed:
  One think worth mentioning: I had to apply significant pressure on the
  three  transistors mounted on LPA board when I installed the lower bottom
  panel because the transistors raised slightly above the bottom panel level.
  I don't know if it is normal (ensure good thermal contact?) or if I used the
  wrong screws somewhere.

When I assembled my K3, merely having the bottom panel too close to the band 
stop circuit board was enough to cause me repeated ERR TXG messages, 
particularly when the weight of the 100W module pushed the board closer to the 
bottom panel.  The band stop board is about the size of a postage stamp, 
hanging down from the bottom of the main RF board.

But in your case, you have already noticed a bigger mechanical problem than I 
had.  I suggest that you contact K3 Support at k3supp...@elecraft.com and 
describe the mechanical problem you noticed, as above.  Your need to force on 
the bottom panel may well be the cause of the ERR TXG.

73, Paul W8TM

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[Elecraft] ERR TXG

[Eric Merlen]

Good morning folks,

I assembled a K3/10 + KBPF3 + AM filter (+ default 2.7Khz filter). After
synth calibration, filter setup, ref oscillator calibration I performed TX
gain calibration using Electraft K3 utility, but it fails immediately with *ERR
TXG*.

Filter setup is
Fil1: none
Fil2: 6.0Khz (0hz), 0db
Fil3: 2.7 (-0.85Khz), 0dB

Any idea of what the problem could be?
Thanks

Eric ve2shf


REF:
Starting 5 watt calibration
Calibrating at 1.900 MHz
IsSamplingComplete: Unexpected response DS@@€€; to DS; State 153
Calibration power settled at   0.0 W ;
5 watt calibration failed
Elapsed time: 7 seconds
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Re: [Elecraft] ERR TXG

[Dave G4AON]

Have you tried starting with a different power level setting on the
front panel control? I've had a similar problem and that fixed it.

Alternatively, have you tried manual gain calibration?

73 Dave, G4AON
K3/100 #80
---
I assembled a K3/10 + KBPF3 + AM filter (+ default 2.7Khz filter). After
synth calibration, filter setup, ref oscillator calibration I performed TX
gain calibration using Electraft K3 utility, but it fails immediately
with *ERR
TXG*.

Filter setup is
Fil1: none
Fil2: 6.0Khz (0hz), 0db
Fil3: 2.7 (-0.85Khz), 0dB

Any idea of what the problem could be?
Thanks

Eric ve2shf
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Re: [Elecraft] ERR TXG

[Brett Howard]

Make sure you have set the 2.7K filter as the TX for all modes where it
makes sense.  (all but AM in your case it would appear)

~Brett

On Sun, 2009-08-09 at 07:42 +, Eric Merlen wrote:
 Good morning folks,
 
 I assembled a K3/10 + KBPF3 + AM filter (+ default 2.7Khz filter). After
 synth calibration, filter setup, ref oscillator calibration I performed TX
 gain calibration using Electraft K3 utility, but it fails immediately with 
 *ERR
 TXG*.
 
 Filter setup is
 Fil1: none
 Fil2: 6.0Khz (0hz), 0db
 Fil3: 2.7 (-0.85Khz), 0dB
 
 Any idea of what the problem could be?
 Thanks
 
 Eric ve2shf
 
 
 REF:
 Starting 5 watt calibration
 Calibrating at 1.900 MHz
 IsSamplingComplete: Unexpected response DS@@€€; to DS; State 153
 Calibration power settled at   0.0 W ;
 5 watt calibration failed
 Elapsed time: 7 seconds
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Re: [Elecraft] ERR TXG

[Eric Merlen]

Hi Dave,

yes I have tried starting with a different power level setting on the
front panel control.

The manual gain calibration doesn't work either. The power output measured
is always 0W regardless of the power level setting on the front panel and
SWR meter shows '--'

Thank you
Eric ve2shf

On Sun, Aug 9, 2009 at 4:17 AM, Dave G4AON elecr...@astromag.co.uk wrote:

 Have you tried starting with a different power level setting on the
 front panel control? I've had a similar problem and that fixed it.

 Alternatively, have you tried manual gain calibration?

 73 Dave, G4AON
 K3/100 #80

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Re: [Elecraft] ERR TXG

[Eric Merlen]

Hi Bret,

Thanks for the suggestion.

I confirm I set the 2.7Khz  filter as the TX filter for all modes but AM
where the 6Khz filter is used.

I left FIL1 slot empty as I plan to add an FM filter at some point (and more
filters for CW/data) later, but according to the manual, that's fine to do
so.

One think worth mentioning: I had to apply significant pressure on the
three  transistors mounted on LPA board when I installed the lower bottom
panel because the transistors raised slightly above the bottom panel level.
I don't know if it is normal (ensure good thermal contact?) or if I used the
wrong screws somewhere.

Eric

On Sun, Aug 9, 2009 at 4:33 AM, Brett Howard br...@livecomputers.comwrote:

 Make sure you have set the 2.7K filter as the TX for all modes where it
 makes sense.  (all but AM in your case it would appear)

 ~Brett

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Re: [Elecraft] ERR TXG

[Brett Howard]

Reseat the antenna board or tuner board and make sure you have the SO239
connectors plugged into it correctly...?

~Brett

On Sun, 2009-08-09 at 11:05 -0400, Eric Merlen wrote:
 Hi Dave,
 
 yes I have tried starting with a different power level setting on the
 front panel control.
 
 The manual gain calibration doesn't work either. The power output measured
 is always 0W regardless of the power level setting on the front panel and
 SWR meter shows '--'
 
 Thank you
 Eric ve2shf
 
 On Sun, Aug 9, 2009 at 4:17 AM, Dave G4AON elecr...@astromag.co.uk wrote:
 
  Have you tried starting with a different power level setting on the
  front panel control? I've had a similar problem and that fixed it.
 
  Alternatively, have you tried manual gain calibration?
 
  73 Dave, G4AON
  K3/100 #80
 
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[Elecraft] ERR TXG

[OE5CSP-Chris]

Hi,

Gary from Elecraft gave me an important hint and so the rx of my K3 is now
working.It seems, that if you are using just one filter(I use the standard
5-pole filter) it must be in slot 1.I thought slot 3 would also be  okay,
but it wasn´t.So I thought everything was fine then, until I wanted to do
the low power calibration again.
I couldn´t calibrate my K3 on 30m and above.On some of the bands I had some
output, but on 20 and 12m there was no output at all.
I did the transmit crystal filter selection again. I don´t have an AM filter
installed, but how should I set it(the K3 asks me to do so...)-I can´t
transmit without an Am-filter, can I?
Any ideas?


73, Chris-OE5CSP
-- 
View this message in context: http://n2.nabble.com/ERR-TXG-tp573367p573367.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] Err Txg

[Brett Howard]

You need to select the slot number that your 2.7Khz filter is in.  I'm
getting the same ERR TXG failure on all bands with my rig and have low
receiver sensitivity and it just happened all of the sudden during field
day.  Not sure what happened but I'll be certain to post the findings
once I get it figured out what it takes to repair it.

On Sat, 2008-06-28 at 02:02 -0700, OE5CSP-Chris wrote:
 I could fix the problem with the misssing power jumper block- I installed the
 KPAIO 3 instead-thanks for your help by the way. Now I´m stuck again at the
 Transmiter Gain calibration.Err TXg occured on the display on every band and
 there is no power output.The rx seems to be deaf, I can only hear very loud
 signals.I checked everything again-the frequency offset is okay, but when I 
 came to the transmit crystal filter selection I could not select  a transmit
 filter value(e.g 2700kHz), but only the filter numbers(1-5)!
 Any ideas?
 
 
 73,Chris-OE5CSP

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[Elecraft] Err Txg

[OE5CSP-Chris]

I could fix the problem with the misssing power jumper block- I installed the
KPAIO 3 instead-thanks for your help by the way. Now I´m stuck again at the
Transmiter Gain calibration.Err TXg occured on the display on every band and
there is no power output.The rx seems to be deaf, I can only hear very loud
signals.I checked everything again-the frequency offset is okay, but when I 
came to the transmit crystal filter selection I could not select  a transmit
filter value(e.g 2700kHz), but only the filter numbers(1-5)!
Any ideas?


73,Chris-OE5CSP
-- 
View this message in context: 
http://www.nabble.com/Err-Txg-tp18168818p18168818.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] ERR TXG and power problems

[Paul Ferguson]

I have K3/100 #757 using firmware 1.94 MCU and 1.73 DSP. 

I have been getting an ERR TXG message when trying the Transmitter Gain Low-
Power Calibration on most bands. 80 meters was OK and 20 meters sometimes was 
OK.

I noticed my external power meter was showing 10 watts output while the K3 
power read only 2 watts. This caused me to go back to the K3 Low-Power 
Wattmeter Calibration procedure. In this procedure I was only able to adjust 
the power shown on my external meter to about 9 watts when the K3 showed 5 
watts. The WMTR LP parameter value shown in the VFO A slot ended up at its 
maximum value of 180. 

I redid the LP Transmitter Gain Calibration on all bands without any ERR TXG 
messages. So far so good except for my K3 saying 5 watts out and my meter 
saying 9 watts.

Next I try the High Power TX Gain Calibration. I get ERR TXG messages, so I 
take a look at my external power meter as I increase power. As the K3 changes 
from 12 to 13 watts, I hear the KPA3 relay click, and my external power meter 
shows power suddenly jumps from about 15 watts to 40 watts. Increasing K3 power 
more gets me 100 watts out while the K3 is showing only 20 watts. I then try 
the High Power Wattmeter Calibration. K3 is set to 50 watts. My external meter 
shows 120 watts, but adjusting the menu parameter does not reduce power.

I am using two different external power meters. One is a QRP meter and goes to 
10 watts max. The other has a 200-watt scale. They both have seemed fairly 
accurate from using them with other rigs.

Any ideas on how to fix this problem?


73,
Paul 
K5ESW


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[Elecraft] ERR TXG message

[John Unger]

I just installed the KPA module and attempted to do the High Power Gain 
Calibration procedure at 50 Watts. But all that happens is that I get 0 
Watts indicated and a ERR TXG message. Any idea what is going on? Manual 
says to refer to a mysterious Service Manual.


Everything works FB up to 10 Watts.



tnx es 73 - John, W4AU 


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[Elecraft] ERR TXG Message es tnx

[H. Cary III]

The reference oscillator is now aligned with WWV - thanks to N0SS, W3FPR, 
DJ7MGQ, and AD7FZ for responding so quickly - Tom talked me through it 
thankfully.

I just did the Transmitter Gain calibration and get an error message - ERR TXG 
- on all bands 160-6.  So after passing all the tests/checks during the build, 
I seem to be alignment challenged  Even more frustrating is the detail on the 
error message in the book says it could affect one or two bands (how about 
ALL?) and indicates a problem with band pass filter alignment or one of the low 
pass filters.  Could one of the J-pin connectors be the first place to look?

BTW, the good news is the receiver in my K3 is absolutely fantastic!  One day, 
it'll all come together...

HNY  73,
Cary, K4TM

K2-100 #5266
K3-100 #0178


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RE: [Elecraft] ERR TXG Message es tnx

[Greg]

Carey.  You still need to do the TX Gain calibration.  That's what is
causing your error.  Page 46/47 of the manual.  Set power to 5W and hold
TUNE for a couple seconds on ALL BANDS.  Then, if you have the KPA3
installed, you need to do the same for ALL BANDS at 50W.

Let me know how it goes.

73
Greg
AB7R


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of H. Cary III
Sent: Tuesday, January 01, 2008 2:56 PM
To: elecraft@mailman.qth.net
Cc: Richard AD7FZ
Subject: [Elecraft] ERR TXG Message es tnx


The reference oscillator is now aligned with WWV - thanks to N0SS, W3FPR,
DJ7MGQ, and AD7FZ for responding so quickly - Tom talked me through it
thankfully.

I just did the Transmitter Gain calibration and get an error message - ERR
TXG - on all bands 160-6.  So after passing all the tests/checks during the
build, I seem to be alignment challenged  Even more frustrating is the
detail on the error message in the book says it could affect one or two
bands (how about ALL?) and indicates a problem with band pass filter
alignment or one of the low pass filters.  Could one of the J-pin connectors
be the first place to look?

BTW, the good news is the receiver in my K3 is absolutely fantastic!  One
day, it'll all come together...

HNY  73,
Cary, K4TM

K2-100 #5266
K3-100 #0178


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Fwd: [Elecraft] ERR TXG Message es tnx

[Rajiv Dewan, N2RD]

Seems like you got the TX GAIN error while doing the initial power  
calibration.  That is what I had.


Here is what did it for me.  (Greg's suggestion on checking REF CAL).

Turn the rig on and wait at least 15 minutes for he reference  
oscillator to stabilize.  Waiting is important.  My reference  
oscillator moved by 19KHz in the first 15 minutes.  I have the  
optional TCXO installed.  Perhaps, you do too.


After that, first do the REF CAL with WWV.
Then re-do the VCO Cal.
Followed by TX calibration.

Hope this works for you,
Raj

--
Rajiv Dewan, N2RD
[EMAIL PROTECTED]
FN13fc

--

On Jan 1, 2008, at 6:17 PM, Greg wrote:


Carey.  You still need to do the TX Gain calibration.  That's what is
causing your error.  Page 46/47 of the manual.  Set power to 5W and  
hold

TUNE for a couple seconds on ALL BANDS.  Then, if you have the KPA3
installed, you need to do the same for ALL BANDS at 50W.

Let me know how it goes.

73
Greg
AB7R


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of H. Cary III
Sent: Tuesday, January 01, 2008 2:56 PM
To: elecraft@mailman.qth.net
Cc: Richard AD7FZ
Subject: [Elecraft] ERR TXG Message es tnx


The reference oscillator is now aligned with WWV - thanks to N0SS,  
W3FPR,

DJ7MGQ, and AD7FZ for responding so quickly - Tom talked me through it
thankfully.

I just did the Transmitter Gain calibration and get an error message  
- ERR
TXG - on all bands 160-6.  So after passing all the tests/checks  
during the

build, I seem to be alignment challenged  Even more frustrating is the
detail on the error message in the book says it could affect one or  
two

bands (how about ALL?) and indicates a problem with band pass filter
alignment or one of the low pass filters.  Could one of the J-pin  
connectors

be the first place to look?

BTW, the good news is the receiver in my K3 is absolutely  
fantastic!  One

day, it'll all come together...

HNY  73,
Cary, K4TM

K2-100 #5266
K3-100 #0178


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[Elecraft] ERR TXG is FIXED!!!!!

[H. Cary III]

Greg-
ERR TXG problem resolved.  The problem was the offset on the FL1 
filter...I had it set for .86 rather than -.86.  Once that was changed, 
everything went like clockwork on the Transmitter Gain Alignment.
Thanks to you and so many others for your helpfulness.
73 es HNY,
Cary



-Original Message-
From: Greg [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 01, 2008 7:19 PM
To: H. Cary III
Subject: RE: [Elecraft] ERR TXG Message es tnx

I take it you mean the 2.7 kHz filter?  There is no 2.5.

You have the Filter Offset set as a negative number in CONFIG?

Greg


-Original Message-
From: H. Cary III [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 01, 2008 4:02 PM
To: Greg
Subject: RE: [Elecraft] ERR TXG Message es tnx


See below, cary


-Original Message-
From: Greg [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 01, 2008 6:57 PM
To: H. Cary III
Subject: RE: [Elecraft] ERR TXG Message es tnx

Hh...Did you do it after the REF Oscillator calibration?  Or before it?

AFTER but don't see how that would affect it

Please also check that all the coax connectors are fully seated in the
correct sockets.

I'll do that after I eat some supper

 What filter do you have setup for TX and what slot is it
in?  Is it setup for all bands?

2.5 and it is FL1, all bands

Greg


-Original Message-
From: H. Cary III [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 01, 2008 3:20 PM
To: Greg
Subject: RE: [Elecraft] ERR TXG Message es tnx


Greg-
That is exactly what I did and got  the ERR TXG message on all bands at the
5-watt test level.
73 and HNY de Cary


-Original Message-
From: Greg [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 01, 2008 6:18 PM
To: H. Cary III; elecraft@mailman.qth.net
Cc: Richard AD7FZ
Subject: RE: [Elecraft] ERR TXG Message es tnx

Carey.  You still need to do the TX Gain calibration.  That's what is
causing your error.  Page 46/47 of the manual.  Set power to 5W and hold
TUNE for a couple seconds on ALL BANDS.  Then, if you have the KPA3
installed, you need to do the same for ALL BANDS at 50W.

Let me know how it goes.

73
Greg
AB7R


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of H. Cary III
Sent: Tuesday, January 01, 2008 2:56 PM
To: elecraft@mailman.qth.net
Cc: Richard AD7FZ
Subject: [Elecraft] ERR TXG Message es tnx


The reference oscillator is now aligned with WWV - thanks to N0SS, W3FPR,
DJ7MGQ, and AD7FZ for responding so quickly - Tom talked me through it
thankfully.

I just did the Transmitter Gain calibration and get an error message - ERR
TXG - on all bands 160-6.  So after passing all the tests/checks during the
build, I seem to be alignment challenged  Even more frustrating is the
detail on the error message in the book says it could affect one or two
bands (how about ALL?) and indicates a problem with band pass filter
alignment or one of the low pass filters.  Could one of the J-pin connectors
be the first place to look?

BTW, the good news is the receiver in my K3 is absolutely fantastic!  One
day, it'll all come together...

HNY  73,
Cary, K4TM

K2-100 #5266
K3-100 #0178


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