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Re: Viking 2 problem
Hello?? One of my tekkie guys suggested you check the bias at the grids of the PA tubes ( Pull the HV rectifier)... a quick peek at the schematic shows this should be in the -75 or -80 range. ??
By Ashley Hall · #258 ·
Re: Viking 2 problem
Hi Ashley, Thanks for the quick reply on my problem! My low voltage supply is good and my unadjusted bias is -80. I haven¡¯t diddled with that much because I just built a bucking transformer that
By Tom Smith · #257 ·
Re: Viking 2 problem
Hi Steve, Thanks for the reply!! I started working this V2 with the phase 1 recommendations of the ¡°wireless girl¡±. I made a lot of those mods but had to work through a lot of undocumented mods
By Tom Smith · #256 ·
Re: Viking 2 problem
Hi Tom, I've repaired and restored a few of these rigs, but it's been a while.? I read what you're saying, but my old mind is having trouble putting it all together without opening one of those
By Steve Bookout, NR4M · #255 ·
Re: Viking 2 problem
Hello?? Do we have any V2 experts to explain what I¡¯m missing here? ?I just don¡¯t see the resistance needed here doing what it needs to do dropping that voltage from 600 to 175. What WE
By Ashley Hall · #254 ·
Viking 2 problem
I¡¯m still struggling with my V2. I have more recently replaced a HV power switch. It wasn¡¯t without cost. When removing the front panel, I neglected to notice the line ?from the knob to the
By Tom Smith · #253 ·
Re: Wanted to purchase OR Loan
Hello ?We are looking to purchase a Johnson VFO 122, working or not. Cosmetic condition not important. Thank You Ms Ashley Hall W7DUZ ??Thank YouKiss-ElectronicsMs Ashley Hall183 N 5th
By Ashley Hall · #252 ·
Re: Enameled Wire Coils in Johnson Valiant
I removed only the coils on the line cord to make room for a proper 3 wire line cord. Also added a rear panel fuse holder properly wired in the hot side and also moved the internal fuse to the rear
By David Harmon · #250 ·
Re: Enameled Wire Coils in Johnson Valiant
The biggest issue was the designs that used 21 Mc as the IF frequency. Nothing could fix that issue. IIRC, the FCC finally stepped in and the problem went away, eventually. 73, Dick,
By Dick · #249 ·
Re: Enameled Wire Coils in Johnson Valiant
Back in the early 1970s, we had TVI problems when operating on 15 meters.? The third harmonic fell on TV channel 3 and most transmitters of the day radiated considerable energy on channel 3.? The
By Floyd - K8AC · #248 ·
Re: Enameled Wire Coils in Johnson Valiant
I would not remove them or change them out. They will lower the value of the transmitter and also may cause other in circuit issues that the manufacturer was aware of while design phase of this
By James Byrnes <jcbyrnes@...> · #247 ·
Enameled Wire Coils in Johnson Valiant
I recently purchased a Valiant transmitter that I'm refurbishing.? As you all know, the transmitter is full of 1/2" diameter coils made of enameled wire.? I've been told by a reputable source that
By Mike Harmon · #246 ·
Re: Invader 200?
Yes it would be.? I'm hoping to find one somewhere in the East where I can drive for a pickup.
By Floyd - K8AC · #245 ·
Re: Invader 200?
Yes, but you must buy the pair.? I'm interested in just one.
By Floyd - K8AC · #244 ·
Re: Invader 200?
Chuck Hurley, K1TLI, has two for sale. Google Johnson Radio Restorations. Rick K8EZB
By Rick Boswell, K8EZB · #243 ·
Re: Invader 200?
I have two Invaders not 200s just Invaders as the only designations were the Invader and the Invader 2000. complete not tested. Shipping would be EXPENSIVE from SD
By bill kipping · #242 ·
Re: Invader 200?
Floyd, I'm curious about whether the scammer was one of our members? Have you advertised anywhere else? Can you email me privately with the scammer's message with its email address and I'll check it
By Donald Hellen · #241 ·
Re: Invader 200?
A scammer response already - within 15 minutes!? If you send me an email, please include your call sign.? If you don't have an email address on QRZ.com, I'll not respond. 73, Floyd - K8AC
By Floyd - K8AC · #240 ·
Invader 200?
Anyone have an Invader 200 they'd part with? 73, Floyd - K8AC
By Floyd - K8AC · #239 ·
Re: Wanted to purchase OR Loan
I'm interested. I'll contact you off-list. Donald KX8K <Ashley40@...> wrote:
By Donald Hellen · #238 ·