Re: SX-122 Calibration Questions
Thanks, Jim. ?I could have been clearer. ?The wax is not blocking access to the slugs so won’t need to melt it. ?I can see the top of the slugs but difficult to get enough light in there while
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John Limbach, K8NN
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#32044
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Re: SX-62B alignment instructions
I would certainly invite you over if we were within driving distance!
________________________________
Sent: Monday, March 17, 2025 7:24 PM
To: [email protected]
By
Scott Petersen
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#32043
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Re: SX-122 Calibration Questions
John, can't help much with the alignment, but on other Halli's I have worked on, found that a hair dryer is a good bet on slugs that have wax above them... Simply invert the chassis (easier said than
By
Jim Marshall
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#32042
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Re: SX-62B alignment instructions
Scott
Please sir I hungry too well I guess it is actually "Please, sir, I want
some more."
_
By
don Root
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#32041
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Re: SX-62B alignment instructions
Hi Don,
It looks like the area I'm having trouble with, I will study it for a while, I also have trouble with following the signal path. Thanks!
going to spend some more time on it tomorrow., We just
By
Scott Petersen
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#32040
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Edited
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Re: SX-122 Calibration Questions
John, good to hear about your find. I am just trying to understand your situation, but I am a poor reader SO..
The 50kC thru to the speaker works well ?
The 1650 thru to speaker is not good .. weak
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don Root
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#32039
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SX-122 Calibration Questions
Recently purchased an SX-122 in great condition.? ?Less cosmetic wear than you'd expect from an early '60s radio.? No mods or changes underneath and very clean there as well.? A few tubes had been
By
John Limbach, K8NN
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#32038
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Re: SX-62B alignment instructions
Scott, here is where I got to after slowly recalling some of the SX-42 ccts.
Is this AM/FM split the way you and anyone sees it? this stuff is tough to
digest.
From the SX-62B on BAMA...
From:
By
don Root
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#32037
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Re: SX-100MK2A
All… I have SN 118296, it must be much older?
Is the run number on the inside or outside of the chassis?
Does the first run have a printed “run 1” and
do run nums restart with mark 1
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don Root
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#32036
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Re: SX-62B alignment instructions
I have not recapped inside the Discriminator, or the IF's yet, maybe I have to do that, hoping I didn't need to, this unit seems to be the latest version, as the caps are the plastic molded
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Scott Petersen
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#32035
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Re: SX-62B alignment instructions
Hi Scott. That's good info. So the problem seems to be in the FM limiter
/discriminator area I will do some head scratching, but others might have
the answer first.
We had a day or two of nice
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don Root
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#32034
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Re: SX-62B alignment instructions
Hi Don,
After I do the AM alignment part of the 2 high bands 88-108 and 27-55, I switch to FM, and there is no sound, because the RF gain control is all the way up,
as I lower the RF gain it begins to
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Scott Petersen
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#32033
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Re: SR-160 Vernier Dial Lubricaion
Hi Walt,
Excellent advice! ?Thank you very much for your help!
--
73s VE3MXG
Matt Gervais
By
Matthew VE3MXG
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#32032
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Re: SX-62 alignment instructions
Scott, I'm not too smart and also can't read between the lines and words.
What is oscillating?, and at what frequency? I guess you see it on a scope
unless it is from the BFO and out the
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don Root
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#32031
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Re: SX-62 alignment instructions
Forgot to mention SX-62B
________________________________
Sent: Sunday, March 16, 2025 4:31 PM
To: [email protected] <[email protected]>
Subject: Re: [HallicraftersRadios]
By
Scott Petersen
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#32030
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Re: SX-62 alignment instructions
I did both alignments, and all seemed well until I switched in FM, and the gain was too high, and it wouldn't receive until I turned the RF control to 2-3, and only "works" in a small range, either
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Scott Petersen
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#32029
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Re: S-20R mixer cct.
Thank you, Jim. Well, I'm in Tacoma, if that's considered close to the Canadian border (+/- 3 hr drive on a good day). Shipping it to Arkansas? Return shipping would be a few times the worth of the
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Allthumbs
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#32028
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Re: SR-160 Vernier Dial Lubricaion
Hi Matt,
First thing is to clean all the old lub off. This should be done with small artist brushes or the steel tube acid brushes dipped into cleaning solution. Don't use a spray cleaner. I use
By
waltcates
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#32027
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Re: S-20R mixer cct.
Thank you, Don. Yes, taking a break from it is what I need. You're right, that cap probably is C7, not C37. And the cathode voltage is okay, so it's probably not a faulty C7. But lifting or removing
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Allthumbs
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#32026
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Re: SX-62 alignment instructions
Scott, you did not yet say, is it a SX-62 A, or B or no-suffix?
It seems that you did the 455 IF ok but the 10.7 IF is the problem?
or are you all the way down to the FM detector ? I was
By
don Root
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#32025
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