Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread DaveH
The sadly missed Kevin Lightner did electronic music synthesizer repair and had an interesting technique for cleaning older electronic circuit boards: http://www.youtube.com/watch?v=DwRlZyIG6rg No chance for oxidation as the boards were dried immediately with compressed air. An amazing amount of

Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread Chuck Harris
There are certain things that must be done/considered before washing old electronics: 1) remember there is lots of lead that might not be wanted in your dishwasher. If you choose to use the DW, buy a lead test pen for afterwards. 2) tek always suggested removing the paper insulator tubes f

Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread Stan Katz
That clinches it. Brooke's Tek tour reminded me that I have on file a "Service Scope" from Tek entitled "Washing Your Tektronix Equipment". I can follow those instructions less the drying for 24 hours in an oven at 125F. Doing so will probably have me kicked out of the house by the wife. A hair dry

Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread Brooke Clarke
Hi: My second oscilloscope was a new Tek 515 which I got for the student price and picked up from the Tek sales office on San Antonio Rd in Palo Alto. On the tour they showed me the washing booth where they used a water soap solution to spray wash the complete scope. There were no parts in th

Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread David C. Partridge
And should you be prepared to remove the pots, you could run it through the dishwasher ... (if it works for Bob Pease, it works for me too). Regards, David Partridge -Original Message- From: volt-nuts [mailto:volt-nuts-boun...@febo.com] On Behalf Of ed breya Sent: 11 November 2014 07:44

Re: [volt-nuts] HP419A Meter Pegged to Right

2014-11-11 Thread ed breya
If you're talking about washing the board only, I'd say go for it. Just run the hottest tap water on it, and a little liquid dishwashing detergent, and scrub it thoroughly with an old toothbrush. Then lots of rinsing and drying - compressed air can knock out a lot water from parts that may trap