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The 08660-90070 manual (HP 8660A/B/C service) has been helpful/friendly so far. There are separate "big" operating/service manuals for 8660A, B and C; the 08660-90070 manual sends technicians to one

A couple of attempts I made to post a question to keysight community (I think that what you're referring to as keysight forum?) did not ever appear online (once late last year, once sometime in late

I've gotten a bit of a chance tonight to check a couple of things with one of the units: *Unit #2 *(S/N: 3214A00704: consecutive units!) - Voltages on rails: - +11.924V - +12.050V

Peter - Yes, there are Keysight engineers who monitor the list and are very helpful, but my experience is that they are very rare. My particular question applied to a model of the FieldFox that is

Thanks everyone for your replies and suggestions. This is the kind of information I was hoping for. Whit -- Whitham D. Reeve Anchorage, Alaska USA ---

Hi, I would not try to do this without the option to preheat the board to around 80C. The problem is that it really hard to extract the 56pins in one go. I my suggestion is to use ChipQuick on a

TinySA Ultra used to check outputs from the 11707A (except for the two 11661B-related outputs, as I forgot to enable the "Ultra" mode for coverage > 800 MHz. The 500, 100, 20 and 350-450 MHz signals

I can't help with the front panel frame, but I might be able to help with the filter.? I had to replace the one on my unit and ended up machining one out of 1/16" red acrylic and then using a vinyl

Matt, What do you see if you display the A, B, and R with MEAS/INPUT_PORTS? ?? (I assume menus are similar the the 8753D) On my 8753D, the R channel is at about 0dB displayed (with some ripple) and

Hi Ed, WB2UAQ --- Thank you both for quick and helpful replies! Ed - with your suggestion, I remembered that I do have a 11707A and it is now in the unit (I've never used it before as I've not had

Hi, I did some tests on my working 8753ES. These results could be used for comparison. Yves

Instead of START / STOP, try entering as CENTER and SPAN. ?Just to see if it freezes when it has enough info to start a sweep, or if it is related specifically to the sweep defined by entering the

Awesome, thank you, Peter. I wonder if anyone has a fresh recollection of what battery or maybe battery-backed RAM would be suspect and possibly needed so I'd start working on an order to have the

Seems like you are on the right track.? Many HP scopes of that era lose their minds if the memory battery goes dead. Peter

And the likely price difference is worth paying in strides. I've said this before - in full agreement with Dave McGuire - but there's no price that's too high to get good, well working tools. The best

I think once one gets to use both kinds of units - "pistol" type like the FR301, and "pen" type like an SX-80/90/100 by Pace, for instance - the advantages become very clear. I've converted friends to

Bought one a few years ago and wish I had bought it sooner. It is really a fun tool to use, and having enough heat will not be a problem. I usually keep mine on the "2.5" setting or so, which

If you can locate an HP 11707A test plug in, it can be a bog help. It brings many of the signals out to the front of the unit for easy access. Unfortunately I do not see any on EBAY...

The Hakko FR301 is the only desoldering gun I have direct experience with.? I bought one after years of just using wick, iron, and heat gun or all 3.? I was thoroughly impressed with how well it

Sergey, I appreciate your input. Yes there is a trailing power cord but in comparison to some other desoldering handpieces that have both a power cord and a vacuum line having only one item helps