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- Path: zynet.net!usenet
- From: jim@jkindon.zynet.co.uk (Jim Kindon)
- Newsgroups: comp.sys.cbm
- Subject: Re: Problems with C64
- Date: Thu, 14 Mar 1996 19:57:40 GMT
- Organization: Zynet Ltd
- Message-ID: <4i9tri$ov5@sol.zynet.net>
- References: <4hhkhe$b1s@morgan.vf.mmc.com>
- NNTP-Posting-Host: jkindon.zynet.co.uk
- X-Newsreader: Forte Free Agent 1.0.82
-
- esfwhlt@odclav.orl.mmc.com wrote:
-
-
- >I need some advice regarding my C64. When it is turned on, 1 of 2 things
- >happens:
- > 1)The screen is full of random characters in random colors
-
- Hi Bill, according to my Commodore Diagnostician II sheet,
- Fault #1 could be due to a faulty 82S100 Programmable Logic Array or
- faulty 2114 Color RAM
- > 2)The screen is blank
- Fault #2 could be due to a fautly 6510 Microprocessor or, 82S100
- Programmable Logic Array or, 901226 Basic ROM or, 8701 IC Clock
- Generator or, 4164 Memory RAM or, A faulty PSU.
-
- Try a subsititute PSU first if you can before trying the other bits,
- and good luck with the repairs.
-
- Jim Kindon, Plymouth geoCLUB UK.
-
- >Usually it is #2. I've been reading this group for the last couple weeks and
- >there seems to be a lot of problems with power supplies. Are these symptoms
- >for a bad power supply or something more serious?
-
- >The computer has worked flawlessly since around 1983 until about 2 months ago.
- >I was glad to see that others are still using their Commodore products.
-
- >I'd appreciate any help that the "experts" can give me!
-
- >Bill Lovett (esfwhlt@odclav.orl.mmc.com)
-
-
-