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I g?o?t? ?r?i?p?p?e?d? ?o?f?f? picked up a 3586B at the Raleigh, NC hamfest this weekend, and the "gentleman" who sold it to me assured me it powered up with no problems, he and his

So I had to look it up after thinking some. The transformer circuit is pretty conventional, so should be easy to troubleshoot. The transformer is always activated, so the OCXO option can run always,

My long-term memory for short-term events could be entirely wrong on this, but I recall working on some 3528As (all ultimately junked out) long ago, and vaguely that there's an "electronic" power

That is a dual primary power transformer, with a selector switch. Dirt contacts in the switch It looks like it is on the rear panel, next to the fuseholder. If run on 240, a single bad winding would

If you have verified that there is proper voltage at the primary itself, and the absence of any output from the secondary without any shorting of the latter, then I think you're able to draw the

Nice work! :) If you ever come across anything for the 8160A, I'd be super appreciative! Thanks for all your efforts! Jared

I'm looking to build myself an 04284-65007 Interface Box' to aid in performance testing my LCR meters. From the 4263B manual, I have been able to mostly infer the connections to the 'DC Bias'

Well, assuming you are measuring 120 V actually across the transformer primary windings (BLK/YEL & BLK or BLK/RED & BLK/GRN) and the line voltage selector switch? is correctly set (and working) and

I have recently replaced most of the electrolytic caps and the on/switch on this device.? Instead of inconsistently turning on and off, it will not turn on at all.? The standby light does not?

BTW, SMA (normally to 18 GHz), 3.5 mm (to 26.5 GHz), and 2.92 mm (K connector, to 40 GHz) are mechanically compatible. 2.4 mm (to 50 GHz) and smaller will not mate with those 3 (long story about HPAK

I was looking for a product note ... no longer available on Keysight ... (or anywhere else I could find that wasn't behind a paywall) but I found it here! Great resource, thanks.

The only option listed on mine is H32. I read somewhere that referred to the line fuse. The yellow calibration sticker has the comment “Battery not used. Use line voltage for TI power

Only use SMA to 3.5mm adaptors on the cables if the DUT has 3.5mm connectors. Otherwise you are just adding another variable.

Leon… When you perform a calibration, you need a short, open, load, and thru. It looks like you have pulled up all the standards all of the defined standards in that kit. Note that there are

Any ideas, what the red circled elements are for?

You will need to readjust the unit Ing. Patricio A. Greco Taller Aeronáutico de Reparación 1B-349 Organización de Mantenimiento Aeronáutico de la Defensa OMAD-001 Gral. Martín Rodríguez 2159 San

Few lines of U26 content (B and R) found corrupted. By analogy with channel A and through many attempts, I managed to restore 100% of the original values. I attach my original U4 & U26 files, maybe it

Hi Robert, Take a look at this post, as well as rest of the thread: /g/HP-Agilent-Keysight-equipment/message/108728 If you need more copies of eeproms, I can also get you a copy.

You are Right!. Its more easy with experience. I know the 8510C failure (No IF … ) and there are 2 more probable causes as I described on earlier emails. I see that HP troubleshooting warranties a

Correct, I see that they no longer have the schematic manual on line but the user manuals, basic service manual, and the troubleshooting manuals can be found easily. Since the 8360 series generators