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🛠 Tools and kit:   / tools-and-kit-77570017  
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Master system service manual and schematics: https://www.smspower.org/Development/...
More info on video voltage levels: https://www.analog.com/en/resources/t...
More info on AC coupling and clamps: https://www.analog.com/en/resources/t...
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🎞
0:00 Intro
2:52 Sync
7:59 What's in a cable
10:19 What's in a console
13:43 Building a simple buffer
16:49 Setting the correct voltage
18:43 Inserting you own components
20:15 C-sync restored!
21:34 RGB voltages
24:27 Setting correct voltages (again)
27:01 RGB droop (AC coupling)
30:14 What causes jailbars
34:33 Jailbar source
39:21 RGB final results
41:28 RGB blanking and function switching
42:23 Composite voltages
46:35 Composite DC offset
47:36 Sync voltage vs overall voltage
50:26 Composite final results
51:03 Adding s-video
53:17 Getting chroma ready
54:49 Getting luma ready
56:09 S-video final results
57:43 What we've (hopefully) learned
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Thanks for watching!