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27 July 2021, 00:49
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#1 |
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Registered User
Join Date: Sep 2020
Location: lodz/poland
Posts: 8
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Amiga A2000 black screen, scheme needed
Hi, im try to back to life A2000 rev 6, i was find two broken traces near CPU (battery leaked), this traces was reapired (via microscope) but Amiga still give me only black screen (video signal is present but nothing more) What i guess more traces can be faulty but i cant find scheme for this board. On Amiga PCB Explorer is only A500 but connections betwin ROM and CPU are different, in other schematics what i find its the same situation. Maybe someone have correct schematics for rev 6?
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27 July 2021, 12:23
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#2 |
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Registered User
Join Date: Mar 2004
Location: finland
Posts: 1,838
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27 July 2021, 13:09
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#3 |
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Registered User
Join Date: Apr 2010
Location: Italy
Posts: 1,136
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use the tester for continuity from kickstart to cpu
39 pin of kickstart are connected to cpu |
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27 July 2021, 18:29
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#4 | |
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Registered User
Join Date: Sep 2020
Location: lodz/poland
Posts: 8
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Quote:
Thx, A2000 was back to life  traces near resistor ladder has disappear but now its ok
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