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cosmichobo

macrumors 65816
Original poster
G'day,

It's just come to my attention that my Twentieth Anniversary Mac, which has been sitting in its box for at least the past 10 years (after being my main ride from 1998 - 2004, then mostly a display piece til it was packed away), quite likely needs to have its capacitors replaced.

I had an eMac with bad caps, so know how bad they can be; have watched YouTubers recapping Macs from the 1980's, just had never thought of the fact that the TAM is now 28 years old, and the caps can and do fail, even when they're not the result of industrial espionage. (I saw YouTube iiiDIY's video restoring and recapping his TAM, which has inspired this new concern.)

I learned to solder in school, a long long time ago, but also have an 18yo son who spent the past 2 years doing quite a bit of soldering, also at school, and from what I've been looking at on YouTube, I don't think it looks too difficult to remove the old caps, re-prepare the pads, and add the new ones.

That said - I'd love any tips and tricks that anyone may have to offer!

I opened my TAM in 2008 to try resolve why the CD-ROM wasn't working (unresolved), so that side of things shouldn't be an issue. I'll also spring for a new soldering station - the one I own is a Dick Smith Auto Temp probably built in the 1980's:
1782991225693.png

(Image is not mine; mine is a bit cleaner.)

From the video mentioned above, I gather there's caps on the TAM logic board, and in the CD-ROM? Are there any others? In the base unit?

Thanks for any assistance.

Cheers

cosmic
 
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Reactions: micahgartman
Can't recall the exact issue with the CD-ROM - I know I was checking the cable as I believe there was suspected SCSI termination issues... But... it was a long time ago.

Just hoping I don't open the computer up and find the caps have leaked and destroyed it...
 
  • Like
Reactions: micahgartman
G'day,

It's just come to my attention that my Twentieth Anniversary Mac, which has been sitting in its box for at least the past 10 years (after being my main ride from 1998 - 2004, then mostly a display piece til it was packed away), quite likely needs to have its capacitors replaced.

I had an eMac with bad caps, so know how bad they can be; have watched YouTubers recapping Macs from the 1980's, just had never thought of the fact that the TAM is now 28 years old, and the caps can and do fail, even when they're not the result of industrial espionage. (I saw YouTube iiiDIY's video restoring and recapping his TAM, which has inspired this new concern.)

I learned to solder in school, a long long time ago, but also have an 18yo son who spent the past 2 years doing quite a bit of soldering, also at school, and from what I've been looking at on YouTube, I don't think it looks too difficult to remove the old caps, re-prepare the pads, and add the new ones.

That said - I'd love any tips and tricks that anyone may have to offer!

I opened my TAM in 2008 to try resolve why the CD-ROM wasn't working (unresolved), so that side of things shouldn't be an issue. I'll also spring for a new soldering station - the one I own is a Dick Smith Auto Temp probably built in the 1980's:
View attachment 2642462
(Image is not mine; mine is a bit cleaner.)

From the video mentioned above, I gather there's caps on the TAM logic board, and in the CD-ROM? Are there any others? In the base unit?

Thanks for any assistance.

Cheers

cosmic
Dick Smith... are you in NZ?
 
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