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LBRY Claims • repairing-an-applied-engineering-z-ram

f902606535121d0f29f743ec2bb497bb092d2ebf

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20 Nov 2020 00:02:25 UTC
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Repairing an Applied Engineering Z-RAM Ultra 2 for the Apple //c Computer (Part 1)
Today I have a big challenge on the bench: a destroyed Applied Engineering Z-RAM Ultra 2 card for the Apple //c computer.

This card is a combination of clock card and RAM card for the Apple ][c, with built in battery backup. But someone forgot to get the darn battery out, it exploded and destroyed the board. Oh noes!

Hang out with me today while I tear down this board, clean and repair it, then build it back up. Will it work?

Introduction: 00:00
What is it? 00:24
See the Destruction! 01:21
Repair Plan: 02:45
Preliminary Cleaning: 06:11
Depopulating the Board: 10:32
Neutralizing the Nasty: 12:22
Repairs! 15:22
Repairs Done? 16:22
How to fix a pulled trace: 19:38
Testing the 74LS173: 21:11
Finally! Does it work? 22:40
Outro: 24:28

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...
https://www.youtube.com/watch?v=WvZDXqEsN7c
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video/mp4
Language
English
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