Attempting To Fix A Broken ColecoVision

I have a ColecoVision with a scrambled screen! So I guess I am attempting to do some troubleshooting and hopefully fix a broken ColecoVision. PCBWay, starting at only $5 for 10 PCBs and Express 24 hour service is available https://www.pcbway.com/
#ColecoVision #RetroRepair #RetroGaming
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The ColecoVision Service Manual: https://wiki.console5.com/tw/images/e...
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Time Stamps
0:00 Intro
1:28 PCBWay
2:06 The ColecoVision
3:52 What Is Going On?
4:37 Troubleshooting with the Service Manual
6:06 Testing Activity On Video Display Processor
7:24 More Service Manual Troubleshooting
8:11 Testing Video RAM Chips
10:51 Chip Replacement!
11:33 Is it Fixed?
12:10 More Chip Testing
16:15 Cleaning, Bodging, Testing
17:42 This Time, Is It Fixed?
20:41 The End