C64-Lumafix
About the C64-Lumafix PCB
C64-Lumafix is an open source PCB design by tebl, published on GitHub. It is a 2-layer board measuring 33.7 × 56.5 mm, with 12 components from 11 distinct parts.
Other key parts include the 74LS14, VICII_OUT and VICII_IN. By type, the board carries 3 ICs, 3 capacitors, 2 jumpers and 1 connector.
It belongs with the retro computing designs in this gallery.
From the project
An easier to solder version of the Lumafix board, components spaced out a bit more to make things easier on the beginner (mostly meaning me). Can also be used to bypass noisy signals on motherboard, wireing directly to modulator replacement.
Based on Lumafix64 by e5frog over at the lemon64.com forums, this is a somewhat simplified version that should be easier to solder together for beginners with access to a reasonable set of soldering tools. Gone are the slightly confusing surface mount options that's mostly only suitable for those with more advanced skills or aim to have them premade with components from a fabrication company.
Main components on the C64-Lumafix
C64-Lumafix bill of materials (BOM)
12 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS14 | DIP-14_W7.62mm_Socket | U1 |
| 1 | VICII_OUT | VICII_OUT | U2 |
| 1 | VICII_IN | DIP-40_W15.24mm_Socket | U3 |
| 1 | OUT | Pin_Header_Straight_1x03_Pitch2.54mm | J1 |
| 1 | LUM_SEP | Pin_Header_Straight_1x02_Pitch2.54mm | JP1 |
| 1 | CHR_SEP | Pin_Header_Straight_1x02_Pitch2.54mm | JP2 |
| 1 | AEC | Potentiometer_Trimmer_Bourns_3296W | RV1 |
| 1 | PHI0 | Potentiometer_Trimmer_Bourns_3296W | RV2 |
| 1 | CHR | Potentiometer_Trimmer_Bourns_3296W | RV3 |
| 2 | 47 | C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2 |
| 1 | 104 | C_Disc_D4.7mm_W2.5mm_P5.00mm | C3 |
C64-Lumafix design files
The KiCad project lives in the tebl/C64-Lumafix repository on GitHub; these links point at the commit this page was built from.
- LayoutLumafix.kicad_pcb
C64-Lumafix: common questions
How big is the C64-Lumafix PCB?
The C64-Lumafix measures 33.7 × 56.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the C64-Lumafix?
12 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the C64-Lumafix design files?
From the tebl/C64-Lumafix repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the C64-Lumafix design in my own project?
The repository has no license, so all rights stay with tebl. Use it as a reference, and ask the author before reusing the design.
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