Modifying my C64 C PAL Modulator (251916-03A)

I’m an trying to get better video output from my C64 C so I’ve decided to crack open the modulator. The part number for this modulator is 251916-03A --- Links --- Adrian’s Digital Basement video about fixing the RF modulator on the NTSC & PAL breadbin versions of the C64: Link to page describing making the SCART connector with the 300 Ohm resistor inline: