Uploaded April 2021 | Updated September 2026, 2 weeks ago

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I've built a C64 RF modulator replacement and i'm installing it an Breadbin C64 longboard. There were a few problems after installation with the ground on the modulator, which might be specific to PAL longboards that are using this modulator replacement.

Links
C64 Modulator Replacement - github.com/mbarszcz-pcb/c64-rf-modulator-replacement

Timestamps
0:00 Intro
0:45 Screen before upgrade
1:41 Removing old modulator
4:31 Installing new modulator
5:31 Screen after upgrade
7:15 Rolling noise problem
9:00 Checking ground pin
10:20 Fixing floating ground
11:55 Screen after ground fix
12:43 Reinstall new modulator
15:28 Closing comments