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Does anyone know what is safe to clean the old style frequency dials on 331A/3330A type units? I dont want to just try somthing and find it removes the lettering. Thanks BL

Hi Gearoid, I don't have a scanned one, I'll make you a photocopy of mine. Regards Ray

Thank you Ian Wells Kerinvale Comaudio mail service 1017, Biloela,4715. www.kerinvalecomaudio.com.au 1-email- ianwells@... 2-email- kvcomaudio@... 3-email- kvcomaud@...

Hi, You could try checking the DIP switch. They can go bad. You may want to replace it. Regards, John

Howdy All- RE: HP1715A (and family) scope -- rear panel foot/bumper. Anyone have a spare rear panel foot (more like a leg) that bolts to the rear apron on the HP 1715A scope? These are black resilient

Gentlemen, I have a HP 3406A Broadband Sampling Voltmeter I am repairing. According to the test procedure in the manual , the probe assembly is faulty and should be replaced as it is not field

Thanks George, I too have two of them ! the problem I have is that even with the dip switch on the back set the same, one of them wont allow me to set the day/month, it increments ok as the clock

Hi Gearoid, I checked LOGSA for you and they don't seem to have it. I have however located it on eBay. See: http://cgi.ebay.com/ws/eBayISAPI.dll?

Hello John I have the 3336c,and a pdf file with operator and service books. Will upload free to You-can split the file into smaller ones. Yours Hardy

Hi group !!, Can anybody help I am looking for the keyboard schematic for the 3336 a/b/c synthesizer / level generator ? Thanks in advance, John Barnes

Hi all, Does anybody have a scanned Operation & Service Manual for a HP1740A 100MHz oscilloscope. People keep telling me to look in this "logsa.army" website but I can never get in there - is there a

There's not much to it. I have two of them and one had a sticker with the GPIB commands on the bottom. There is only a handful of commands. I tried to calibrate the clock against my GPS frequency

Can anyone help me with a copy of the operating and service manual for the HP 59309A clock? Wade VK4ACB

Benoit, The problem on most HP Attenuators is mechanical. The o-rings on the rods break over time, this allows vertical movement of the rods and hence bad contacts. If you carefully dis-assemble the

Hi group, Just wondering if anyone has experience fixing the "non-field repairable" attenuator of this Spectrum Analyzer ? My 8558B attenuator sometimes needs (when changing to a new position) to have

Dear Joe, I got my copy of the 317 manual off of the "bama" sight,... down load for free. It is a good copy. Address is ... bama.sbc.edu I have pretty much finished restoring my 317, and it is a nice

Hi all: I'm looking for a service manual or schematic for a HP 5210A Frequency Meter (original, photocopy, scan, pdf). I couldn't find anything at BAMA or LOGSA. Thanks,

Dear OM, Just saw your message. In case you don't have a manual for your 317, I do have a professional copy (Navy issue) and a copy of the calibration procedure (Army issue). I also have the manual in

Has anyone ever made one of these devices? Seems like it might not be too difficult - then again- are there any spares out there? Is it just a calibration error issue running with out one, or are

Hi John, Thanks for the reply and explanation. Yes, I was aware of the capacitors (although I didn't know their name) and the neon tester (already own one) but unaware of the lurking dangers for