Troubleshooting An IBM PC 5150 - Down The Rabbit Hole We Go!

Описание: I nearly gave up on this IBM PC 5150 motherboard repair effort after working on it for a week or so. This is the first in a repair-a-thon/salvage-a-thon series I am doing on a bunch of early IBM PCs I found at e-waste.

Early IBM PC Repair Series
Part 1 -    • Troubleshooting An IBM PC 5150 - Down The ...  
Part 2 -    • Rare Video Card Found Inside An Original I...  
Part 3 - Coming soon
Part 4 - Coming soon
Part 5 - Coming soon

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TOMLOV Microscope I used in the video
US: https://amzn.to/3DtSWbC
UK: https://amzn.to/41Ivz7r

Chapters:
00:00 - First Look
03:19 - Identifying Board And Chips
09:31 - Checking For Shorts
11:50 - Setting Switches
15:26 - First Test
18:17 - Variable Capacitor Problem
19:47 - Bad Socket Connections
21:05 - Probing Signals w/ Oscilloscope
29:12 - RUUD's Diagnostic ROM
34:17 - Desoldering Chips
42:42 - Troubleshooting RAM Signals
46:18 - Retro Chip Tester Pro Problems
51:31 - Troubleshooting Bad Traces
56:34 - Final Tests And Games

Music used by permission:
“Fakebit World” by Malmen
  / malmen  

"The Dream Is Always The Same" by State Azure
@stateazure

Other music from the YouTube Audio Library

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#Retro #Computers