Part 2 of 2: More on improving the C64 video quality. In this video I explain you why the C64 video quality can be improved and exactly how to do it. Massive improvement! Part 1:
1:22 - Deeper look at the RF Mod bypass board from part 1 including issues and a fix
3:11 - tebl's RF modulator replacement
5:03 - Viewer comments: "An easy trick to improve the C64 video quality?" Nope.
6:56 - The 250407 C64: Let's get started fixing the video quality!
7:35 - What are the different C64 RF modulators and what are their issues?
12:48 - What are the problems with the MD6-VA3403 NTSC modulator?
18:03 - *** How to modify the MD6-VA3403 NTSC modulator on the 250407 to make it super sharp
24:50 - Testing the results of the mod over composite, S-video and on a real CRT
27:13 - What are the problems with the MD6-UE3603 PAL modulator?
29:10 - *** How to modify the MD6-UE3603 PAL modulator on the 250407 and KU boards to make it sharp
31:10 - Testing the results of the mod -- why is it still a little soft?
33:15 - What are the problems with the MD6-VA3405 NTSC modulator?
35:00 - *** How to modify the MD6-VA3405 NTSC modulator
35:30 - Let's talk Hanover Bars and the annoying issue with C64 PAL output
38:15 - Conclusion
MD6-VA3403 and MD6-UE3603 is used on:
Longboard 250407 PAL/NTSC
Longboard KU-14194HB PAL
MDA-VA3405 is used on:
Longboard 250425, 250441 and 250466
--- Video Links
tebl's RF Modulator Delete
Another RF Modulator project: (not shown in the video)
RF Mod Picture Improvement
Hanover Bars: (Wikipedia)
Play With Colors 2: (PAL only)
EasyFlash 3
Adrian's Tools (for the EasyFlash 3)
My Test Pattern Generator:
--- Tools
Deoxit D5:
Jonard Tools EX-2 Chip Extractor:
Wiha Chip Lifter:
O-Ring Pick Set: (I use these to lift chips off boards)
Elenco Electronics LP-560 Logic Probe:
Hakko FR301 Desoldering Iron:
Rigol DS1054Z Four Channel Oscilloscope:
Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
TS100 Soldering Iron:
EEVBlog 121GW Multimeter:
DSLogic Basic Logic Analyzer:
Magnetic Screw Holder:
Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)
Plato (Clone) Side Cutters: (order five)
Heat Sinks:
Little squeezy bottles: (available elsewhere too)
--- Links
My GitHub repository:
Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
--- C64 Stuff
JaffyDOS:
C64 Test Harness I use:
C64 Homebrew cartridge PCB: (used for the DeadTest / Diag Cart I use)
--- Instructional videos
My video on damage-free chip removal:
--- Music
Intro music by:
Nathan Divino
@itsnathandivino
--- Donate
To donate to the basement:
Adrian Black / Mail Call PMB 244
4110 SE Hawthorne Blvd.
Portland, OR 97214-5246
United States
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