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Amiga A600 boot black screen

General hardware issues and troubleshooting etc

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Danoo
Posts: 250
Joined: 29 Jan 2020 13:25
Location: Queensland, Australia

Re: Amiga A600 boot black screen

Post by Danoo »

Trippy1986 wrote: 21 Sep 2022 17:50
Danoo wrote: 13 Jun 2022 23:11 A well known black screen fault on the A600 is a faulty/leaking capacitor on the reset line. Maybe the ram board short caused this capacitor to fall over the edge. Can not remember which one off the top of the head, but a quick search of A600 black screen, will point you in the right direction. Just a suggestion, possibly another area to check.
......
Which cap is on the reset line??
As @supaduper indicated, the one just above the 555 RHS of the Brd (Red circle in picture below), I have also had to replace the ceramic cap next to it on the left on one occasion to fix a reset issue.

reset_cap.JPG
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Trippy1986
Posts: 18
Joined: 06 Sep 2021 00:33

Re: Amiga A600 boot black screen

Post by Trippy1986 »

Ah excellent, thanks for that

Aby idea what is the value of the cap to its left?
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supaduper
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Joined: 08 Nov 2018 12:05

Re: Amiga A600 boot black screen

Post by supaduper »

Trippy1986 wrote: 24 Sep 2022 10:45 Ah excellent, thanks for that

Aby idea what is the value of the cap to its left?
It is 100nf

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