[Techtoolslist] BK IC Tester 552

[John Robertson]

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 at gmail.com>

> To: "Technical Tools Mail List" <Techtoolslist at 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!

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