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Things get darker and darker. * Coils are not open. * TRIMCAPs are not shorted. * I confirm problem in band 1&2, bands 3&4 worked like a charm. *Started from scratch.* Test gears setup: The Spectrum

Thanks Pete, don't know how I missed you. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/

Actually Walt I also have the complete manual. And actually, it's more recent then the one on jptronics. The info in the addendum is already rolled into the manual along with the updated schematic.

I have had several people contact me recently about a missing page in the online SR-2000 Operation and Service manual. Page 32 is missing from a most of online manuals. Very important, shows important

Dave - I have a late model, think it is a D but can't recall now.? My biggest complaint was that the AGC and S Meter responded strongly to off-frequency strong signals.? I made the change - think it

I am catching up on this one. The S-85 is a late version of a receiver that goes back in Hallicrafters history to the S-20R, maybe even before. It is about a second step up from the simplest receivers

Emanuele People would love to have a single conversion receiver that has no images up at 28Mcs. signals that are too weak wont be heard, but stronger ones and the sig gen should come in 910Kc apart,

I am also interested in making the same change. 73 Jack KZ5A

Well those L/C networks are tuned circuits.? If you can't achieve proper resonance then either the signal is not getting to/from them or there is some fault with them.? Check the coil wiring.?

Thank you for the advises guys. The problem is not solved though. *Bands 3 & 4 RF alignment* went very well, even if the trimcaps were very touchy. I went through the bands 1&2 alignment process

All: I have read the very good explanation of the different revisions to the SX-117. Mine is a post-B model, which means that the notch filter doesn't affect the AGC response. I am inclined to revert

Emanuele, we are happy to see your success so far! We wonder firstly if band 1 and 2 work = bring in stations at all? It seems strange that 2 bands have the same symptoms, and they are in the first RF

My first thought is the bandswitch.? Work it back and forth and use some deoxit or other contact cleaner.? Of course inspect it and use your DMM to verify continuity too.? You mention problems with

Hello again guys. Performing the RF alignment of the S-85 I am refurbishing, I got the following problem in bands 1 and 2. The setup conditions were as per service manual: Sig-gen (HP 8640B) connected

Hi......Jack! Cool!? Mine is run 6; its prefix is 117005. Curiously, the next 3 digits on mine are 416.? Yours are 516.? I wonder what those 3 digits mean.? Is it a coincidence that both have

That would be a 7th production run receiver. The first production run is always a zero in the last digit of the first set of 6 numbers, a 1 is run 2 and so on. Walt Cates, WD0GOF

I just? recieved a? SX-117 thatI plan to restore and put in service.? It's serial number doesn't seem to match up with Walt's run list.? I'm assuming that the first 6 digits are the serial number

Thank you very much to all of you for your suggestions. I preferred option 2: craft the tool my self. *Paul* : I suppose you misread my first statement: it is the last " task " in a project, no the

This set should work for you.

For what it may, or may not, assist... I pulled my late SX-99 off the shelf to see the IF cans. They are slot, vice hex tuning slugs. I then looked through about 100 tuning tools from Xcelite, GC, and