[Techtoolslist] Alpha Electronics Dynamic Integrated Digital ICTester on eBay

[Jose Luiz Martins]

Hi Fabrizio,

I use to remove the Processor before testing, but as far as I remember
it is not mandatory for BK-560 but it's recommended for ICT-101.

I don't know if ICT-101 is the famous Board-Walker, someone else told
me that, but I'm not sure.

I like BK-560 because it tests 2114 and many other RAM types
in-circuit, ICT-101 is easier to use and more practical, but less
reliable them BK, I mean, it set as undefined/bad more ICs them BK-560
- as I said it not necessarily a bad IC.

If you have one BK-560 for reasonable price, I would suggest you to
buy, but consider to get one HP 10529A as well.

Unfortunately I don't have it's PC software, but I think it's more
useful to automatize the troubleshoot process when you have to fix the
same board type many times.

Will check the firmware version.


JL

On Wed, Jul 10, 2013 at 5:50 PM, Fabrizio Vasile
<fabrizio.vasile at gmail.com> wrote:

> Hi Jose.

> Is it true that you have to disable any clock while testing TTL in-circuit

> with B&K Precision 560?

> Is ICT-101 the famous Board-Walker?

> In conclusion, did you find this B&K Precision 560 useful (I have chance of

> getting one at reasonable price)?

> A scope is what I'm missing now!

>

> P.S.

> What software revision mount your IC tester 560?Did you have also the

> pc-side software for RS232 communication?

>

> ----- Original Message ----- From: "Jose Luiz Martins"

> <joseluizmartins at gmail.com>

>

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

> Sent: Wednesday, July 10, 2013 10:41 PM

>

> Subject: Re: [Techtoolslist] Alpha Electronics Dynamic Integrated Digital

> ICTester on eBay

>

>

>> I have a HP 10529A, ICT-101, BK-560 and BK-552, Fluke 9010A and one

>> 150Mhz Tek Scope.

>>

>> As many others said, I used the Fluke 9010A to troubleshoot Address,

>> Data Bus and ROM checksums.

>>

>> When some board's region where found suspect, I use BK-560 or ICT-101

>> to find some obvious problem in TTLs and RAMs (in case of using

>> BK-560) and them I use the HP 10529A.

>>

>> Based on my personal experience, in-circuit IC tester will tell you if

>> one IC is good (in most cases), but a bad reading is not necessarily a

>> bad IC. This is where the HP 10529A in conjunction with a logic probe

>> and a logic pulser can help.

>>

>> I use all that stuff when a board schematics is not available - very

>> common in brazilian boards (local Taito versions i.e. Galaxian -

>> Fantastic, Time Fighter - Time Pilot, Olympic Games - Olimpiadas,

>> PacMan, Donkey Kong Defender, etc...).

>>

>> But in most cases, the scope is my best friend.

>>

>>

>> JL

>>

>> On Wed, Jul 10, 2013 at 6:01 AM, Fabrizio Vasile

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

>>>

>>> Hi Andrew.

>>> Yes, I have an HP 10529A as well as a BK Precison 550 (TTL9 and a 552

>>> (CMOS)

>>> but as, I said, I don't find them 100% reliable.

>>> I'm thinking about a B&K Precision 560 like this:

>>>

>>> http://www.electronicrepairegypt.com/bk-precision-model-560-progammable-ic-tester.html

>>>

>>> Do you say that it behaviours more or less like a comparator?

>>> ----- Original Message ----- From: "Andrew Welburn"

>>> <andy at andysarcade.net>

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

>>> Sent: Wednesday, July 10, 2013 10:26 AM

>>>

>>> Subject: Re: [Techtoolslist] Alpha Electronics Dynamic Integrated Digital

>>> ICTester on eBay

>>>

>>>

>>>>

>>>> On 09/07/2013 22:01, Fabrizio Vasile wrote:

>>>>>

>>>>>

>>>>> OK, John, tomorrow I will do the scans (there are also schematics) ad I

>>>>> will e-mail to you.

>>>>> Regarding TTL in-circuit testing, since I repair  arcade PCBs for job ,

>>>>> I'm looking for a good and reliable tester which can point me in right

>>>>> direction at least (logic comparators are not very reliable IMHO).

>>>>

>>>>

>>>>

>>>>  You must be doing something wrong then, the HP 10529A is your best

>>>> friend. Don't think that a good in-circuit tester is going to tell you

>>>> anything different to a comparator. In fact, in-circuit IC testing is

>>>> less

>>>> comprehensive than comparison, because a comparator actually takes

>>>> account

>>>> of the circuit hook-up, where an in-circuit tester has problems with

>>>> tied/forced lines, conflicts and busses.

>>>>

>>>>  In-circuit testing cannot help you find faults that are to do with dry

>>>> joints/cut tracks/speed issues, good though they are.

>>>>

>>>>> Yes, obviously best thing would be to test TTL manually with the truth

>>>>> tables and a logic probe, but , let's say, you have no schematics of

>>>>> the

>>>>> PCB and dozens of other board that are waiting you..:)

>>>>

>>>>

>>>>

>>>>  Like everything, an in-circuit ic tester is another tool in your

>>>> arsenal

>>>> against faulty pcbs, but there is no one tool that does the lot.

>>>>

>>>>

>>>> Andrew Welburn

>>>> http://www.andys-arcade.com

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>>>

>>>

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>

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