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08 November 2019, 14:30
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#1 |
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Amiga Games Database
Join Date: Jun 2006
Location: South West England
Posts: 1,240
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A600: nothing doing :-(
I thought I'd check my A600 was still working okay but was disappointed. The caps light comes on, and stays on, but nothing else happens. No disk clicks, no signal to TV, nowt.
I'm using a psu that happily powers my expanded 1200. Any things you can suggest I try? Thanks. |
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08 November 2019, 14:49
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#2 |
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Registered User
Join Date: Apr 2017
Location: Springfield, MO
Posts: 264
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It’s being held in reset by a bad 555 timer (U14)?
It has either gone bad (common) or one of the surrounding resistors connected to the threshold pin (6) are out of spec. |
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08 November 2019, 15:46
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#3 |
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Registered User
Join Date: Dec 2018
Location: UK
Posts: 1,715
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Yes, check the 555 timer circuit and associated components.
Usual suspect is the C612 cap - if it is faulty and the cause of the issue you can remove it and it should boot up. See for example: http://eab.abime.net/showthread.php?t=73265 |
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08 November 2019, 23:09
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#4 | |
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Amiga Games Database
Join Date: Jun 2006
Location: South West England
Posts: 1,240
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Quote:
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