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talk:service:repair:a3000_heat  de:service:repair:a3000_heat

A3000 Hitze-Probleme

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Baustelle

Heat-U202 Graphics/Disk Problems

U202/203: Chips That Overheat

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Many A3000 owners complain of strange graphics and disk errors, like windows and gadgets being trashed. Sometimes dots and horizontal lines will appear. This is likely due to the U202 and U203 components, a pair of Programmable Array Logic chips (format: 16L8-10) which tend to overheat. This is likely because they are in a part of the case where circulation is nearly nonexistent, especially when you have lots of hot disks and cards. These chips control various CHIP RAM DMA access issues.

The Commodore part references are 390526-02, 390527-02.

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· Zuletzt geändert: 2013/03/24 05:19 (Externe Bearbeitung)