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Sorry for the slow progress on looking for the boards. Not been to the storage unit yet. I did find a box of boards from a 8923 but none of the ones you need in that collection. Robert.

Hi Rab, I have recovered the 9821 to its former faults before the A10 PSU smoked, I have discovered that my eprom blower has lots of bells and whistles, including the "Burn and leave unlocked". I will

you may have to have an external SA to do what you are asking on the 8920 Some service monitors ( like the IFR 1600 and COM-120 ) have a split screen where you can adjust the generator and view the

I cant think of a way to do it via front panel. I'm pretty sure you'd have to flick between screens. Should be able to do it via HPIB/SCPI on the IEEE 488.2 port..

Gang, I want to do a Bessel Function confirmation of deviation calibration on my HP8920A using the internal RF generator and internal tone. Is there a way to adjust the deviation of the internal tone

Hi William, ?? Sorry to hear that. I wonder if one of the plug in boards bent a connector on the motherboard and shorted it? Rick

Thanks Rab, We are colleagues, not competitors. I am still interested in your offer for boards, Robert has not got to rummage through his Stash, so the pace has slowed. I am going a bit backwards with

Hi All, Feel free to help each other out with HP8920 boards. I have no resentment with helping out then people finding parts for less....Rick

Hi George, I believe I have noted that information in the past but haven't thought about it in a long while. So far, I haven't seen "wide spread" cases of failed eeproms in 8920 units due to excessive

Thanks Robert, Just give me a shout when you get to it, If you do not find it, say in a month or so, please let me know . I have the same trouble ... life time of "Accretions". 73s? Bill M.

No, nothing from Rick I checked my workshop stash and I don't have those modules. I'l have to go to the storage unit and check there (I seem to be missing a box of modules, it's not where I thought it

Hi Robert, Has Rick mentioned any issue with your offer, directly to you ? He is still assisting me with advice on eproms etc. I think we are not going to impact on his turf. I am not commercial, just

Thanks Rick, Will do. Bill M.

Hi Rick Are you aware that all EEPROM's have a limit on the maximum number of erase/write cycles they can perform before they fail. You should find this information buried in their specifications.

I’ve had luck with repairing power switch rods on that go over a square switch actuator using dental floss or lacing cord as a binder. * From:* opelgtalex <aszuski@...> *Sent:* Monday, July

Hank, Cockpit error trying to do it on my phone. My eyes aren't pointy enough. On my shoppe desktop it comes through great. Thanks, :) Burt

Could the power button rod be made with a 3d printer?? Just a thought Steve Flory W9KOP

One other thing to mention: When you pull of the front panel assembly off be extremely careful with the power button rod -- I taped mine with polyimide tape to the unit itself in several spots and

Hello, From memory, and having done 2 of the conversions, it's pretty straightforward. I probably went overboard in writing this reply, but I thought I would be as detailed as I could remember. If you

Hi Alex I bought the kit and intend to do the same soon. Were there any special precautions you took in regards to the CRT removal? Thanks Dave KA6BFB