Re: Troubleshooting a defective pod

Actually, please DO top post! Its far, far easier to read on s mobile phone that way :)

-----Original Message-----
From: John Robertson
Sent: 02/02/2013 18:13
To: Technical Tools Mail List
Subject: Re: [Techtoolslist] Troubleshooting a defective pod

Andre Huijts wrote:
> One more thing:
>
> The manual says to do a ROM test and it gives the addresses in the table but it fails to give the correct signature ?
>
> Anyone knows it for the Z80 pod ROM V1.1 ?
>
>
>
Don't Top Post please!

Take the ROM image and pass it through the Signature Generator in the
FIDE generator you can download here:

http://tech.quarterarcade.com/tech/Fluke/9010A/FIDE.aspx

John :-#)#
>
>
> Op 2 feb. 2013, om 15:53 heeft Andre Huijts <a.huijts@upcmail.nl> het volgende geschreven:
>
>
>> OK, I recently traded a working 8088 pod (still have two others) for a working Z80 pod.
>> I also (temporarily) have a 9010A added to my Fluke stuff.
>>
>> Now I figured (like the Z80 pod manual suggests) to troubleshoot my defective Z80 pod with the 2nd working one.
>>
>> The working one self-tests fine on both my 9100A and the 9010A. The defective shows problems on both the 9100A (not recognized please reset) and 9010A.
>>
>>
>> Now....I am confused about the powering up of this set-up.
>>
>> The normal set-up seems to say to do the following when using a "normal" UUT (no pod):
>>
>> 1) power off troubleshooter and UUT
>> 2) connect pod to troubleshooter
>> 3) power on troubleshooter, do self test
>> 4) plug in ribbon cable to UUT
>>
>> So...basically you have to connect the ribbon cable to the UUT while the troubleshooter and POD are powered up ? Feels kind of strange to plug it into the UUT's processor socket while it carries power ?
>>
>>
>> Anyway, next I start reading page 5-12 in the Z80 pod manual and here I get confused:
>>
>> Under "Prepare to troubleshoot the inoperative pod as follows" it says:
>>
>> 3) Connect the pod under test to +5V etc. etc......so here they seem to say to DO power up the "UUT (= the defective pod)" BEFORE turning on the power of the troubleshooter.
>>
>> Step 4) says: Connect a troubleshooter (the 2nd one in my case, the one that will do the troubleshooting) to a 2nd (working) pod, apply power to that troubleshooter and then connect the ribbon cable to the sockpet of the defective pod....
>>
>> So basically, this is the other way around of the normal set-up.....which I find strange.
>>
>> They further cloud things by the next text in BOLD:
>>
>> "Do not apply or remove any power with ribbon cable connected between second pod and inoperative pod."
>>
>> So this means I should have to first remove the ribbon connector from the socket of the bad pod before turning any troubleshooter off....right ?
>>
>> I fear I already did some switching on/off, basically as if it were to be a regular UUT. The good Z80 pod still self-tests OK so I hope I didn't damage anything.
>>
>> Can someone please tell me what is the right way to do this ?
>>
>> I did see Power failure messages at some point.....
>>
>>
>> André Huijts
>> andre.huijts@upcmail.nl
>>
>>
>>

-- 
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"
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