Viking mobile transmitter gang tuning capacitor chain locked up
Good day, all. ?My VM transmitter has been working well until today. ?I tried to adjust grid current using the Gang Tuning control. ?I turned the knob about half way and the control locked up. ?I could not turn the control in either direction. ?I loosened the shaft coupler between the front and middle tuning capacitor and the front capacitor turns freely. ?The middle tuning capacitor would not budge. ?I loosened the shaft coupler between the middle and rear capacitor and the rear capacitor moves freely. ?I am afraid to apply too much force to the middle capacitor shaft. ?Has anyone run into this problem and any recommendations on freeing up the capacitor. ?When the problem is solved, I will need to re-align the position of each tuning capacitor. ?As best I recall, all sections were at approximately the same location ( all fully meshed).
Thanks for any comments.
73, Bob, KN4HH?
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I’m ready to sell my Invader 2000. I’m having to move things around the shop for a better fit. This isn’t a fire sale as some of the footprint of this rig is the supply which fits under the bench. I’m asking $1500 for it and that would be without shipping. If you know this rig, you know shipping isn’t gonna happen for two reasons. First reason is its weight and the second is this rigs cosmetic condition. It works and has a manual.
Pictures are available on this site posted September 8. Please email me if interested.
Tom N5AMA
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None of those appear to contain anything for EF Johnson gear. Seems to mostly contain information for standard consumer radios.
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Perhaps this one/this series?
Mike/
K5MGR
______________________________________
 ? Mike Langner
929 Alameda Road NW
Albuquerque, NM 87114-1901
(505) 898-3212 home/home office
(505) 238-8810 cell
mlangner@...
?
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From: [email protected] < [email protected]> On Behalf Of Steve Bookout, NR4M Sent: Friday, November 3, 2023 6:36 AM To: [email protected]Subject: Re: [EFJohnson-Amateur-Radio] Viking II Kit Manual ? Years ago, when I was working on an old receiver, I found an on-line copy of a book that had HUNDREDS of dial stringing diagrams for every imaginable rig, going back to the '30s. I have no idea where I found it or what the name of the book was.? Worth a search, or two. Steve, NR4M On 11/2/2023 11:44 PM, Jordan wrote: Hello all, I was wondering if anyone had a PDF copy of the Viking II assembly manual? I am specifically interested in the sections related to how the two pulley knobs are strung. The strings on both are broken on mine and I am unsure how to correctly redo it.
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Years ago, when I was
working on an old receiver, I found an on-line copy of a book
that had HUNDREDS of dial stringing diagrams for every
imaginable rig, going back to the '30s.
I have no idea where I
found it or what the name of the book was.? Worth a search, or
two.
Steve, NR4M
On 11/2/2023 11:44 PM, Jordan wrote:
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Show quoted text
Hello all, I was wondering if anyone had a PDF copy of the Viking
II assembly manual? I am specifically interested in the sections
related to how the two pulley knobs are strung. The strings on
both are broken on mine and I am unsure how to correctly redo it.
|
Hello all, I was wondering if anyone had a PDF copy of the Viking II assembly manual? I am specifically interested in the sections related to how the two pulley knobs are strung. The strings on both are broken on mine and I am unsure how to correctly redo it.
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I was going to mention the Wireless Girl site but Steve, N4RM,
beat me to it! Lotsa stuff on that site that goes well beyond the
Viking II & CDC.
Check out the very indepth analysis of these rigs. There is an
investigation/debunking of mods that have been "out there" on the
net, and mods that Janice finally implemented.
The Viking II discussion on modulation also applies to various AM
transmitters. It is worth a read if you want to avoid destroying
your iron in just about any AM transmitter.? I blew up a mod
transformer on a Valiant years ago, never knowing why, and finally
found the answer here. Many tips to learn about here.
The CDC, in addition to the expanded coverage, has a really nice
fast-acting compression circuit not present in the Viking II. I
decided to leave that circuit unmodded - it works really well as
far as I'm concerned.
Check out the other topics on this site, quite a lot of info.
73 John KN3I
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Hello all,
A very good resource for all things Viking II.? Lots of things
about how to check these rigs out and repair/restore them.?
I had acquired my Viking II CDC model from an estate about 8
years ago (maybe 10).? It had been used, while sitting on a shelf,
in a rack cabinet.? There was not top, no bottom, and now
back/sides 'wrap-around' sheet metal.? Over the next several
months, I was either given, or purchased for 'peanuts', five more
Viking II's, in order to scrounge the cabinet pieces I need, and
for general spare parts.? One of them was another CDC model.
Well, during Covid, I wound up restoring two of the five, which
was kind of enjoyable when there's nothing else you can do.?? I
found this site a great place and very useful.
73 de Steve, NR4M
73 de Steve, NR4M
On 10/11/2023 9:52 AM, WA8JXM wrote:
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Thanks, Steve!? I have never seen or heard of that
in the 59 years I have had the rig.
The Viking II is an amazing rig with its output circuit.?
The only antenna it ever failed to load was a 3 foot metal
fishing rod, on 2.2 MHz!
73,
Ken
On Wed, Oct 11, 2023 at
9:35?AM Steve Bookout, NR4M < steve@...> wrote:
Quicker way to tell is by the band switch. It
covers all frequencies between 1.8 and 30 MHz. In several
bands.?
?Steve NR4M?
On Oct 10, 2023, at 10:49 PM,
WA8JXM <wa8jxm@...>
wrote:
?
Thanks, Lee.??
Mine operated on a lot of oddball MARS
frequencies without problems.? How would I tell if
it was a CDC model?
Ken
On Tue, Oct 10,
2023 at 10:24?PM Lee Bahr < leebahr@...>
wrote:
Civil Defense model so it would more easily
operat outside the ham bands.
Lee. w0vt
On 10/10/2023 8:48 PM, WA8JXM wrote:
If I may ask, what is a Johnson
Viking II CDC?? I have my old Viking II
(purchased used?in 1964 after?I got my
General)? but this is the first time I have
seen the "CDC" part.??
Thanks,
Ken
Hello!
I retired from Lockheed when the Pandemic
hit. I've been collecting BA's and old
test equip for decades. I currently have a
Johnson Viking II CDC on the air, mostly
on 75 and 40 meter phone, paired with a
National NC-303. I use a KW matchbox with
a mod for 160 meters to tune a 160m
half-wave inverted vee for 160-6 meters.?
I have a Ranger and a Viking Valiant that
are undergoing some restoration, a Johnson
Mobile transmitter (and Johnson mobile VFO
but no PS) and a Challenger which I've
collected but I haven't done much with
yet. My long term plans are to keep the
Viking II CDC and the Ranger but if anyone
is interested in making an offer for any
of the other rigs let me know and we can
work something out, especially if you can
visit the Southeastern Pennsylvania area
(Pottstown/Phoenixville).? I have way too
much stuff! 73 KN3i John
|
Thanks, Steve!? I have never seen or heard of that in the 59 years I have had the rig.
The Viking II is an amazing rig with its output circuit.? The only antenna it ever failed to load was a 3 foot metal fishing rod, on 2.2 MHz!
73, Ken
On Wed, Oct 11, 2023 at 9:35?AM Steve Bookout, NR4M < steve@...> wrote: Quicker way to tell is by the band switch. It covers all frequencies between 1.8 and 30 MHz. In several bands.? ?Steve NR4M?
On Oct 10, 2023, at 10:49 PM, WA8JXM <wa8jxm@...> wrote:
? Thanks, Lee.??
Mine operated on a lot of oddball MARS frequencies without problems.? How would I tell if it was a CDC model?
Ken On Tue, Oct 10, 2023 at 10:24?PM Lee Bahr < leebahr@...> wrote:
Civil Defense model so it would more easily operat outside the
ham bands.
Lee. w0vt
On 10/10/2023 8:48 PM, WA8JXM wrote:
If I may ask, what is a Johnson Viking II CDC?? I
have my old Viking II (purchased used?in 1964 after?I got my
General)? but this is the first time I have seen the "CDC"
part.??
Thanks,
Ken
Hello!
I retired from Lockheed when the Pandemic hit. I've been
collecting BA's and old test equip for decades. I currently
have a Johnson Viking II CDC on the air, mostly on 75 and 40
meter phone, paired with a National NC-303. I use a KW
matchbox with a mod for 160 meters to tune a 160m half-wave
inverted vee for 160-6 meters.? I have a Ranger and a Viking
Valiant that are undergoing some restoration, a Johnson Mobile
transmitter (and Johnson mobile VFO but no PS) and a
Challenger which I've collected but I haven't done much with
yet. My long term plans are to keep the Viking II CDC and the
Ranger but if anyone is interested in making an offer for any
of the other rigs let me know and we can work something out,
especially if you can visit the Southeastern Pennsylvania area
(Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i
John
|
Quicker way to tell is by the band switch. It covers all frequencies between 1.8 and 30 MHz. In several bands.? ?Steve NR4M?
toggle quoted message
Show quoted text
On Oct 10, 2023, at 10:49 PM, WA8JXM <wa8jxm@...> wrote:
? Thanks, Lee.??
Mine operated on a lot of oddball MARS frequencies without problems.? How would I tell if it was a CDC model?
Ken On Tue, Oct 10, 2023 at 10:24?PM Lee Bahr < leebahr@...> wrote:
Civil Defense model so it would more easily operat outside the
ham bands.
Lee. w0vt
On 10/10/2023 8:48 PM, WA8JXM wrote:
If I may ask, what is a Johnson Viking II CDC?? I
have my old Viking II (purchased used?in 1964 after?I got my
General)? but this is the first time I have seen the "CDC"
part.??
Thanks,
Ken
Hello!
I retired from Lockheed when the Pandemic hit. I've been
collecting BA's and old test equip for decades. I currently
have a Johnson Viking II CDC on the air, mostly on 75 and 40
meter phone, paired with a National NC-303. I use a KW
matchbox with a mod for 160 meters to tune a 160m half-wave
inverted vee for 160-6 meters.? I have a Ranger and a Viking
Valiant that are undergoing some restoration, a Johnson Mobile
transmitter (and Johnson mobile VFO but no PS) and a
Challenger which I've collected but I haven't done much with
yet. My long term plans are to keep the Viking II CDC and the
Ranger but if anyone is interested in making an offer for any
of the other rigs let me know and we can work something out,
especially if you can visit the Southeastern Pennsylvania area
(Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i
John
|
Thanks, Lee.??
Mine operated on a lot of oddball MARS frequencies without problems.? How would I tell if it was a CDC model?
Ken
On Tue, Oct 10, 2023 at 10:24?PM Lee Bahr < leebahr@...> wrote:
Civil Defense model so it would more easily operat outside the
ham bands.
Lee. w0vt
On 10/10/2023 8:48 PM, WA8JXM wrote:
If I may ask, what is a Johnson Viking II CDC?? I
have my old Viking II (purchased used?in 1964 after?I got my
General)? but this is the first time I have seen the "CDC"
part.??
Thanks,
Ken
Hello!
I retired from Lockheed when the Pandemic hit. I've been
collecting BA's and old test equip for decades. I currently
have a Johnson Viking II CDC on the air, mostly on 75 and 40
meter phone, paired with a National NC-303. I use a KW
matchbox with a mod for 160 meters to tune a 160m half-wave
inverted vee for 160-6 meters.? I have a Ranger and a Viking
Valiant that are undergoing some restoration, a Johnson Mobile
transmitter (and Johnson mobile VFO but no PS) and a
Challenger which I've collected but I haven't done much with
yet. My long term plans are to keep the Viking II CDC and the
Ranger but if anyone is interested in making an offer for any
of the other rigs let me know and we can work something out,
especially if you can visit the Southeastern Pennsylvania area
(Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i
John
|
Civil Defense model so it would more easily operat outside the
ham bands.
Lee. w0vt
On 10/10/2023 8:48 PM, WA8JXM wrote:
toggle quoted message
Show quoted text
If I may ask, what is a Johnson Viking II CDC?? I
have my old Viking II (purchased used?in 1964 after?I got my
General)? but this is the first time I have seen the "CDC"
part.??
Thanks,
Ken
Hello!
I retired from Lockheed when the Pandemic hit. I've been
collecting BA's and old test equip for decades. I currently
have a Johnson Viking II CDC on the air, mostly on 75 and 40
meter phone, paired with a National NC-303. I use a KW
matchbox with a mod for 160 meters to tune a 160m half-wave
inverted vee for 160-6 meters.? I have a Ranger and a Viking
Valiant that are undergoing some restoration, a Johnson Mobile
transmitter (and Johnson mobile VFO but no PS) and a
Challenger which I've collected but I haven't done much with
yet. My long term plans are to keep the Viking II CDC and the
Ranger but if anyone is interested in making an offer for any
of the other rigs let me know and we can work something out,
especially if you can visit the Southeastern Pennsylvania area
(Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i
John
|
If I may ask, what is a Johnson Viking II CDC?? I have my old Viking II (purchased used?in 1964 after?I got my General)? but this is the first time I have seen the "CDC" part.??
Thanks, Ken
Hello! I retired from Lockheed when the Pandemic hit. I've been collecting BA's and old test equip for decades. I currently have a Johnson Viking II CDC on the air, mostly on 75 and 40 meter phone, paired with a National NC-303. I use a KW matchbox with a mod for 160 meters to tune a 160m half-wave inverted vee for 160-6 meters.? I have a Ranger and a Viking Valiant that are undergoing some restoration, a Johnson Mobile transmitter (and Johnson mobile VFO but no PS) and a Challenger which I've collected but I haven't done much with yet. My long term plans are to keep the Viking II CDC and the Ranger but if anyone is interested in making an offer for any of the other rigs let me know and we can work something out, especially if you can visit the Southeastern Pennsylvania area (Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i John
|
I'd like the Valiant but wouldn't want to risk shipping it to WA.
73,
chad/kk7aeq
|
Hello! I retired from Lockheed when the Pandemic hit. I've been collecting BA's and old test equip for decades. I currently have a Johnson Viking II CDC on the air, mostly on 75 and 40 meter phone, paired with a National NC-303. I use a KW matchbox with a mod for 160 meters to tune a 160m half-wave inverted vee for 160-6 meters.? I have a Ranger and a Viking Valiant that are undergoing some restoration, a Johnson Mobile transmitter (and Johnson mobile VFO but no PS) and a Challenger which I've collected but I haven't done much with yet. My long term plans are to keep the Viking II CDC and the Ranger but if anyone is interested in making an offer for any of the other rigs let me know and we can work something out, especially if you can visit the Southeastern Pennsylvania area (Pottstown/Phoenixville).? I have way too much stuff! 73 KN3i John
|
Lets try the larger file size and see if it chokes.
Tom
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Oops, sorry, it looks like I should have sent the larger file size. I'll try that.
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I've added a few more pics if anyone is interested in what the Invader 2000 looks like with some skin removed.?
Tom N5AMA
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It looks like new almost. Donald KX8K On Sun, 27 Aug 2023 13:13:38 -0700, "Tom Smith" <n5ama@...> wrote: Hi Jim, I took some additional pics of my Invader 2000 ---------------------------------------------------- Some ham radio groups you may be interested in: /g/ICOM /g/Ham-Antennas/g/HamRadioHelp /g/Baofeng/g/CHIRP
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Tom, that's an amazing set.? You are not kidding about the
cosmetics!?? Lovely.
73/jeff/ac0c
alpha-charlie-zero-charlie
On 8/27/2023 3:13 PM, Tom Smith wrote:
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Hi Jim, I took some additional pics of my Invader 2000 while I was
doing some repairs and applying a little Deoxid. I've got some
better images than what is posted on a earlier post. I've resized
the images so I'm not sure how crisp they will display but I can
resize them to a larger file size if needed. I've included a few
with the skin on but have more with the skin removed if anyone in
is interested.
Thanks
Tom N5AMA
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Bob Watson
Mike Langner
