[Techtoolslist] WANTED : in-circuit IC tester

[Fabrizio Vasile]

Yes, using the HP 10529A I had several times good IC showed as bad 
(especially counters, flip-flop) but, most terrible thing,  a couple of 
times I had also bad IC showed as good!
----- Original Message ----- 
From: "JJ" <rugd2go at comcast.net>
To: "Technical Tools Mail List" <techtoolslist at flippers.com>
Sent: Tuesday, July 30, 2013 9:59 PM
Subject: Re: [Techtoolslist] WANTED : in-circuit IC tester



> Has anyone had good luck with the HP10529 ?  I seem to get a lot of false 

> ic failures during tests.  Have you seen the HP ever show a failed IC test 

> good?

>

> Justin

>

> Sent from my Verizon Wireless 4G LTE DROID

>

> Fabrizio Vasile <fabrizio.vasile at gmail.com> wrote:

>

>>Yes, ABI Boardmaster 4000 in another tool on my list but nowadays it's

>>pretty rare and still quite expensive.Besides it seems it's quite fragile 

>>in

>>some parts.Anyway it's a great piece of equipment but , like other

>>in-circuit tester, has its pro and con.

>>

>>----- Original Message ----- 

>>From: "Mike Coates" <mike at the-coates.com>

>>To: "Technical Tools Mail List" <techtoolslist at flippers.com>

>>Sent: Tuesday, July 30, 2013 7:16 PM

>>Subject: Re: [Techtoolslist] WANTED : in-circuit IC tester

>>

>>

>>>I have an ABI 4000, and find that if it tells you an IC is good, then it

>>>is, if it tells you it's bad, then double check it, because it's wrong 

>>>60%

>>>of the time!

>>>

>>> however, for repairing things for which schematics are not available, or

>>> it has a hidden PCB (where there's 2 or 3 pcb's for instance, that plug

>>> into each other) it still proves useful.

>>>

>>> Once I have set it up, I tend to check everything in the area of 

>>> concern,

>>> and put white stickers on anything dodgy - then use the fluke and the

>>> probe to decide if they really have failed!

>>>

>>> On 30/07/2013 17:54, Matthew Rossiter wrote:

>>>> Has anyone here ever used the ICT-101 with much success?   I had one 

>>>> for

>>>> a while and the results were so sketchy that I eventually sold it back

>>>> on ebay.  I saw a lot of good IC's come up as FAIL.  Once you lose a

>>>> certain amount of trust with a tester, it's really not much use.

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>>

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