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A600 hangs on 320x200 Graphicstest

General hardware issues and troubleshooting etc

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tzok
Posts: 338
Joined: 30 Dec 2017 14:27

A600 hangs on 320x200 Graphicstest

Post by tzok »

I've got an A600 with leaked capacitors. I've replaced the capacitors and repaired tracks/vias I've found to be corroded. Amiga seems to work ok, but fails on Diag Rom 1.2.1 Graphicstest Testscreen 320x200. It hangs for 20-30 sec. on black screen and displays a screen like this (there should be multicolor rectangles, but there is a solid red/brown bar in place of them):
2020-11-10 16.24.38.jpg
Which line could be responsible for that? Most damages were near the LF347 (U15). This is rev. 1.5 board.
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