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Need some component values for 6100/66

Forums > Vintage Apple > Macintosh > Beige PowerPC (Old World ROM) > NuBus-based Power Macintosh (6100, 7100, & 8100)

joethezombie
Tinkerer
Idaho
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Joined: Oct 30, 2021
Posts: 34
Likes: 31
Aug 13, 2022 - #1
Hi guys, I bought a non-working 6100/66. When removing the capacitors, they sent it a little too hard and blew off the resistors, too. Can anyone help with the following values?
Up by the AAUI header: R14, R24, R25, R26, R27, R28, R29
Down under the processor: R89

Very grateful for any assist.

KennyPowers
Active Tinkerer
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Joined: Jun 27, 2022
Posts: 323
Likes: 360
Aug 20, 2022 - #2
I just read these off a 6100/66 board as best I could under magnification...these are the codes printed on each resistor, not their resistance values:

R14: 102
R24: 275
R25: 472
R26: 228 (or 22R?)
R27: 472
R28: 103
R29: 103
R89: 103

Liked by joethezombie

joethezombie
Tinkerer
Idaho
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Joined: Oct 30, 2021
Posts: 34
Likes: 31
Aug 20, 2022 - #3
Absolutely marvelous-- thank you so much!

joethezombie
Tinkerer
Idaho
--------
Joined: Oct 30, 2021
Posts: 34
Likes: 31
Sep 3, 2022 - #4
Just a follow up, used the value/positions provided by @KennyPowers and the board seems to be up and fully working!

Again, thanks so much!

Liked by KennyPowers

trag
Tinkerer
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Joined: Oct 25, 2021
Posts: 303
Likes: 151
Sep 4, 2022 - #5
>> joethezombie said:
Just a follow up, used the value/positions provided by @KennyPowers and the board seems to be up and fully working! Again, thanks so much! Click to expand...

I keep a box of modeling clay in a zip lock bag next to my soldering station because of the type of problem you had. The same thing happened to me the first time I used hot air to desolder.

Now days, I roll little snakes of modeling clay and press them on rows of surrounding components that I don't want to desolder...

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