CC logic board covered with battery goop. Help needed

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Joined: May 9 2015
Posts: 62

Hi folks....

I went to the color classic FAQ and found this:

http://www.colourclassicfaq.com/tech/ccspecs.html

and I also found this:

http://www.colourclassicfaq.com/tech/ccparts.html

My CC logic board had a battery left in it, and when I opened it up, the battery had leaked all over the logic board. Using contact cleaner, I was able to get a lot of the goop off, but a small component, which looks like a capacitor broke off, and two chips, marked U3 and U4 still have slime on them. The component that looks like a cap I believe came from Y1. The can says "FIJAPAN" on it.

Because U3 and U4 are in such bad shape, I may not be able to rebuild the board. I wish U3 and U4 were in a socket, but they are not.

Can someone me what Y1 is?

I will try to figure out how to post photos to this forum so you can see what I am taking about.

Thanks

jack

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Offline
Joined: Jul 15 2014
Posts: 42
Re: CC logic board covered with battery goop. Help needed

Y1 indicates a crystal oscillator. It is a rectangular can near the connector. I think it is the clock source for the processor (I can't say for sure, because I don't own a Colour Classic).

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Joined: May 9 2015
Posts: 62
Re: CC logic board covered with battery goop. Help needed

Thanks. I will try to post some photos today.

jack

Dr. Webster's picture
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Joined: Dec 19 2003
Posts: 1687
Re: CC logic board covered with battery goop. Help needed

That does look like a small crystal. The one on my CC's motherboard has the marking S3238E on it:

Looks like the SE/30's motherboard uses the same part:

https://68kmla.org/forums/index.php?/topic/24193-repairing-se30-battery-acid-damage-whats-on-d1-and-d2-and-crystal-speed/page-2

FYI, the main crystal is located at G1, between the edge connector and VLSI graphics chip.

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Applefritter Admin

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Joined: May 9 2015
Posts: 62
Re: CC logic board covered with battery goop. Help needed

I believe my CC board is too far gone to repair. I believe I am going to do a logic board swap. I will try to post photos. I hope the photos make it.

Humm. I am not smart enought to figure out how the the photo attachmnet (under the word "COMMENT") works. I also tried to drag and drop from my desktop to this, but that did not work.

Can someopne give me a top on how to file attach photos to posts like this?

Thanks.

jack the new kid