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| Color Classic hard drive recognition Problem (almost Solved) |
Posted by: Staysweet on 2019-12-02 23:19:46
I have a Hard Drive boot Issue with Colour Classc I
Every time I tried to boot my CC , starting sound OK, screen OK but the hard drive spin up and then short happy mac on screen in a moment and then spin down and down again!
It's Obviously Neither hard drive problem nor Logic board, Connecter, power
I 'm sure It's analogue board problem Because I have three Colour classic I can test and replace each part
Replace analogue with normal one is the definite solution! It boots normally!
Which part of the analogue board causes this problem?
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Posted by: dochilli on 2019-12-03 03:34:29
Check the voltages (5 and 12V). May be leaking caps in the AB.
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Posted by: Dan68040 on 2020-02-22 13:55:46
Staysweet, did you find out what was the cause of your problem on the Analog board?
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Posted by: Dan68040 on 2020-02-24 22:53:46
I am having the same problem with one of my color classics. I found a shortage of voltage from the analog board. I am getting 4.5v & 10.5v instead of the normal 5v & 12v.
a drop of 1.5v is enough to disturb the hard drive fonctions.
I did a full recap of the analog board, and I still have the voltage drop. I am thinking of increasing the PP1 pot on the analog board a little till I get a regular 5 & 12v and see if it would fix my HD problem.
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Posted by: fidelware on 2024-02-13 12:57:22
Sorry for repeating this topic, but I have this same problem, I have changed all the capacitors, has anyone solved it? |
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