Anyone have interest in a working B&K 560 and a working 545? Both used, clean, were working in 2006 and stored since - will retest before shipping if they sell. Offers? thanks Art ----- Original Message ----- From: "John Robertson" <jrr@flippers.com> To: "Technical Tools Mail List" <techtoolslist@flippers.com> Sent: Saturday, June 08, 2013 1:54 PM Subject: Re: [Techtoolslist] BK IC Tester 552
> On 06/08/2013 1:11 AM, Fabrizio Vasile wrote: >> Hi Jose, >> it's a logic comparator, I guess you won it on Ebay some days ago.The 552 >> model you have is for CMOS testing while the 550 model is for TTL.I have >> both of these. >> The operation simply; put a good known IC in the ZIF socket, connect the >> clip to the IC on the unit under test, press the TEST button.If the OK >> led will light, then the IC is good otherwise some of the numbered LEDs >> will go ON telilng you there is a problem on that PIN (usually >> outputs).Please, keep in mind that this device is not perfect and it will >> give you false positive when, for example, output of an IC is tied to >> GROUND or VCC or when you are testing particular devices like flip-flop, >> counters, latches (you have to CLEAR these before testing).Obviously, >> your comparator need to take POWER and GROUND from the unit under test by >> connecting the RED and BLACK clips. >> Later I will scan the manual of my B&K 552 and send it to you. >> >> P.S. >> Did you find your Fluke 68000 POD at the end? >> > > Please send me a copy too, for the TTL archives. > > Thanks, > > John :-#)# >> ----- Original Message ----- From: "Jose Luiz Martins" >> <joseluizmartins@gmail.com> >> To: "Technical Tools Mail List" <Techtoolslist@flippers.com> >> Sent: Saturday, June 08, 2013 3:40 AM >> Subject: [Techtoolslist] BK IC Tester 552 >> >> >>> Hi! >>> >>> I fond one BK 552 IC Tester but I don't have it's manual. >>> >>> Can someone tell me how this tester works please? >>> >>> >>> Thanks! >>> _______________________________________________ >>> Techtoolslist mailing list >>> Techtoolslist@flippers.com >>> http://seven.pairlist.net/mailman/listinfo/techtoolslist >>> FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment >>> Archive site: http://seven.pairlist.net/pipermail/techtoolslist/ >> >> _______________________________________________ >> Techtoolslist mailing list >> Techtoolslist@flippers.com >> http://seven.pairlist.net/mailman/listinfo/techtoolslist >> FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment >> Archive site: http://seven.pairlist.net/pipermail/techtoolslist/ >> > > > -- > John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 > Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames) > www.flippers.com > "Old pinballers never die, they just flip out" > > _______________________________________________ > Techtoolslist mailing list > Techtoolslist@flippers.com > http://seven.pairlist.net/mailman/listinfo/techtoolslist > FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment > Archive site: http://seven.pairlist.net/pipermail/techtoolslist/ >
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