Re: BK IC Tester 552

OK, John , I will do.
Regards.
----- Original Message -----
From: "John Robertson" <jrr@flippers.com>
To: "Technical Tools Mail List" <techtoolslist@flippers.com>
Sent: Saturday, June 08, 2013 7:54 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!
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>
>
> --
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Received on Sat Jun 8 14:11:49 2013