Re: lisa 2 startup problems

Bummer,

I don't have any suggestions unfortunately....just posting to empathize. Hope you can get it going.

Terry Stewart (Tez)

On Wed, Dec 19, 2012 at 9:47 AM, Alex <alexandru.flocka_at_email.domain.hidden> wrote:
> Hi everybody,
>
> long time no post.
> I have done some more tests and come to the conclusion the card edge
> connector for the IO board has to be changed. I waited 3 weeks for 3
> connectors to arrive from Korea and today they finally arrived. I have
> changed the one from the IO Board and all the sockets and capacitors on the
> IO board but with little success.
>
> No when I press the power button, LISA turns on but only as long I keep the
> button pressed, as I release it it will go off again.
>
> Any suggestions?
> Thanks!
>
> joi, 15 noiembrie 2012, 01:17:32 UTC+2, PSchaefer a scris:
>>
>> Am Mittwoch, 14. November 2012 20:25:07 UTC+1 schrieb Alex:
>>
>>>
>>> On the card edge connector I measure also 0V on the /RESET pin. this
>>> means the system is kept in reset state on the motherboard.
>>
>>
>> There is an electrolytic capacitor (C8) next to the 68000 CPU. Usually it
>> gets leaky, then /Reset is stuck low.
>>
>> In case you don't have a replacement available, just cut it away. Then
>> you'll have to press the Reset button once to start the CPU (after power-up)
>>
>>
>> Patrick
>>
>>
>>
>>
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