Apologies for the OT! I'm trying to use an old PC as a test bed for a logic analyser. It has a french version of MS-DOS 4.01 which I would like to change. It will not boot from my 6.22 version so

Thankyou Victor for your input i am in the process of doing just that Thanks also for the advice re the ripple on the lvps units i will also check same Barry

I just ordered a set from amazon for $28 with shipping. ===================== Why that's one of them thar new fangled compact versions marketed under Xcelite PS-89 or PS-89V. Maybe it's supposed to

get the service manual - the maintenance section gives you all you should need to know to dis-assemble it. Regards, David Partridge

Hello. I have an old Tektronix 2236 with a focus problems. Here, at link below, as you can see, the focus potentiometer is fully counterclockwise and the trace is

Hi, I just ordered a set from amazon for $28 with shipping. jerry

I bought mine quite some years ago - so no idea of what current price is- just mentioned the ebay listing as I had a quick look there when I posted the info. Ebay is generally a 'place of last resort'

1. Replace the 4 SM electrolytics. 2. Repair the damage to the A/D reference circuit. These two steps have been described here countless times. Check the ripple on your LVPS also. --Victor

Tektronix part 2, same price. 502 Instruction Manual englisch 502 Instruction Manual englisch 503 Instruction Manual englisch 504 Instruction Manual englisch 535 Instruction Manual englisch 536

Limited time special offer. Tek and HP manuals for 11,90eur each at Helmut Singer <http://surplusasnew.de/fix/shd.html> Tektronix: 4012 Instruction Manual englisch 4012 Users englisch 4023

Dave, The serial number of my Tektronix 2445B is:- B063257 It has an A5 board with Surface Mount devices The A5 board has these id numbers:- 671-0965-06-P9-0248-04 Barry

David, Thanks for that David i will check it out. Barry

It's a bit over priced then, as test equipment depot has that set for $30. Regards, David Partridge

Sears sells a small package containing two hex wrenches, 1/16 and 0.50. They do not have a ball end. It is black hardened steel and Craftsman, so guaranteed for life. Around $5. I purchased a few

Xcelite PS-89. I see there's one on the bay just now for $50. DaveB, NZ

Bondhus and Wiha are quality hex key brands available worldwide. A lot of damage happens (even in my US lab) from folks trying to use the nearest metric size rather than the intended .050 or 1/16 inch

Can you remember how many times those small set screws with the internal hex have aggravated you on your Tektronix and other equipment? Recently I was trying to take a 576 curve tracer apart without

From a previous reply by Zenith aka "zenith5106" to the question "The trace on the CRT is very dim even at full brightness. It is almost invisible at higher scan rates." Search the archives. The

Unless there was a change in both time/div and volts/div calibrations, accelerating potential's most likely OK. (Unless someone tried to recalibrate with bad HV, not likely but it happens). That

Thanks everyone ! Kiss-Electronics Cornelius, Oregon Ms Ashley Hall W7DUZ