RE: PLA replacement for C64

From: Baltissen, GJPAA (Ruud) <ruud.baltissen_at_apg.nl>
Date: Wed, 29 Apr 2015 06:23:53 +0000
Message-ID: <54F350D2C6501448A3EE14B7854C5FB532D5216A@WSV10441N3.office01.internalcorp.net>
Hallo Didier,


> the symptoms:
>
> black screen but a few pixels on the left with the color of the c64 border

FYI: I repaired (and still do) a lot of C64's. In the 90's most of the times the CIA's were the troubleshooters (but the system started up). If the system didn't start up at all, most of the time (> 90%) it was the PLA. Second trouble shooter is the system ROM. VIC-II: two in 30 years, 6510: none. Other rare cases: brooken crystal, 8701, modulator, 7805, 7812.

So replacing the PLA is a very good bet.


With kind regards / met vriendelijke groet, Ruud Baltissen
www.Baltissen.org


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Received on 2015-04-29 07:00:07

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