Sega CDX Reproduction
About the Sega CDX Reproduction PCB
Sega CDX Reproduction is an open source PCB design by RGBeter, published on GitHub under the CERN-OHL-S-2.0 license. It is a 6-layer board measuring 120.5 × 155 mm, with 260 components from 82 distinct parts.
Other key parts include the MC68000FN, WORK RAM, Z80_QFP, ZRAM and FC1004. By type, the board carries 111 capacitors, 79 resistors, 23 ICs, 15 inductors, 9 connectors and 2 transistors.
It belongs with the retro computing designs in this gallery.
From the project
Reproduction schematics and PCB of the Sega CDX Main board
Support is not officially provided by RGBeter with building or debugging these PCBs.
"CDX_FAB.zip" Contains gerber files to fabricate your own boards, do note that these do not contain BOM or POS files for PCBA, and you will need to generate them for your specific manufacturer of choice from the KiCad source files.
Main components on the Sega CDX Reproduction
Sega CDX Reproduction bill of materials (BOM)
260 components, 82 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | MC68000FN | PLCC-68k | IC1, IC9 |
| 1 | WORK RAM | SOIC-40 | IC2 |
| 1 | Z80_QFP | Z80_QFP-44_10.35x10.35_Pitch0.8mm | IC3 |
| 1 | ZRAM | SOIC-28 | IC4 |
| 1 | FC1004 | QFP-208_28x28_Pitch0.5mm | IC5 |
| 1 | VRAM | SOJ-40 | IC6 |
| 1 | 315-5684 | 315-5684 | IC7 |
| 1 | MB3514 | SOIC-24 | IC8 |
| 1 | BRAM | SOIC-28 | IC10 |
| 1 | BOOT ROM | SOIC-40_BIOS | IC11 |
| 1 | 424270 | SOJ-40 | IC12 |
| 1 | MB3790 | SOIC-16 | IC13 |
| 1 | 315-5632 | QFP-208_28x28_Pitch0.5mm | IC14 |
| 2 | WordRAM | SOJ-40 | IC15, IC16 |
| 1 | 315-5476 | 315-5476_QFP-80_14x20_Pitch0.8mm | IC17 |
| 1 | LC33864 | SOIC-32 | IC18 |
| 1 | LC89513 | Sanyo_QFP-64_14x14_Pitch0.8mm | IC19 |
| 1 | KM78128 | SOIC-28 | IC20 |
| 1 | 315-5619 | Sanyo_QFP-64_14x14_Pitch0.8mm | IC21 |
| 1 | 74HC00 | SOIC-14 | IC22 |
Show 62 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NJU6332 | SOIC-8 | IC23 |
| 2 | NPN | SOT_Transistor | Q1, Q2 |
| 1 | 53.693175MHz/53.203424MHz | OSC_DUAL | X1 |
| 1 | 50MHz | Crystal_Horizontal | X2 |
| 1 | ~ | CART_SLOT | CN1 |
| 1 | PORT_A | DSUB-9 | CN2 |
| 1 | PORT_B | DSUB-9 | CN3 |
| 1 | CD_CONNECTOR | CD_CON | CN4 |
| 1 | PWR_CONN | POWER_CN | CN5 |
| 4 | 0 | R_0805_2012Metric | J1, J2, J3, J4 |
| 16 | CDX_EMI | CDX_EMI | EM1, EM2, EM3, EM4, EM5, EM6, EM7, EM8 +8 |
| 1 | AV_OUT | MiniDIN_9 | JK1 |
| 1 | PWR_SW | Power_SW | S1 |
| 1 | ML2016 | ML2016 | Z1 |
| 10 | ? | R_0805_2012Metric | FB1, FB2, FB3, FB4, FB5, FB7, FB8, FB16 +2 |
| 2 | 0 | R_0805_2012Metric | FB6, FB14 |
| 1 | 100uH | L_1806_4516Metric_Pad1.45x1.90mm_HandSolder | L1 |
| 1 | 12uH | L_1806_4516Metric_Pad1.45x1.90mm_HandSolder | L2 |
| 1 | 0 | L_1806_4516Metric_Pad1.45x1.90mm_HandSolder | L3 |
| 8 | * | C_0805_2012Metric | C1, C15, C18, C23, C24, C32, C33, C119 |
| 34 | 0.1uF | C_0805_2012Metric | C2, C6, C7, C8, C21, C22, C25, C31 +26 |
| 14 | 100pF | C_0805_2012Metric | C3, C5, C44, C53, C62, C63, C64, C66 +6 |
| 5 | 33pF | C_0805_2012Metric | C4, C12, C17, C60, C70 |
| 2 | 4.7uF | CP_EIA-3216-10_Kemet-I | C9, C10 |
| 2 | 1000pF | C_0805_2012Metric | C11, C13 |
| 9 | ? | C_0805_2012Metric | C14, C16, C110, C111, C114, C115, C116, C120 +1 |
| 2 | 22uF | CP_EIA-3528-12_Kemet-T | C19, C38 |
| 1 | 2.2uF | CP_EIA-3216-10_Kemet-I | C20 |
| 3 | 1uF | CP_EIA-3216-10_Kemet-I | C26, C35, C40 |
| 2 | 100uF | Cap_ELEC_2.5mm | C27, C90 |
| 3 | 220uF | Cap_ELEC_2.5mm | C29, C46, C107 |
| 2 | 3300pF | C_0805_2012Metric | C30, C39 |
| 10 | 10uF | CP_EIA-3216-10_Kemet-I | C36, C76, C77, C78, C79, C80, C81, C86 +2 |
| 1 | 18pF | C_0805_2012Metric | C47 |
| 2 | 180pF | C_0805_2012Metric | C48, C50 |
| 1 | 0.01uF | C_0805_2012Metric | C49 |
| 4 | 8200pF | C_0805_2012Metric | C82, C83, C87, C89 |
| 2 | 2200pF | C_0805_2012Metric | C84, C85 |
| 2 | 680pF | C_0805_2012Metric | C91, C92 |
| 1 | 220uF | Cap_ELEC_DUAL | C108 |
| 1 | 0 | C_0805_2012Metric | C122 |
| 1 | 150R | R_0805_2012Metric | R1 |
| 1 | 220R | R_0805_2012Metric | R2 |
| 23 | 4.7K | R_0805_2012Metric | R3, R4, R5, R6, R7, R8, R9, R10 +15 |
| 12 | 2.2K | R_0805_2012Metric | R11, R12, R13, R15, R16, R17, R19, R37 +4 |
| 3 | * | R_0805_2012Metric | R14, R83, R85 |
| 6 | 1.2K | R_0805_2012Metric | R20, R29, R30, R31, R40, R41 |
| 4 | 1K | R_0805_2012Metric | R21, R35, R38, R52 |
| 4 | 8.2K | R_0805_2012Metric | R22, R23, R24, R25 |
| 3 | 5.6K | R_0805_2012Metric | R26, R27, R28 |
| 5 | 75R | R_0805_2012Metric | R39, R69, R70, R79, R80 |
| 1 | 560R | R_0805_2012Metric | R43 |
| 4 | 330R | R_0805_2012Metric | R44, R45, R46, R47 |
| 1 | 1.6K | R_0805_2012Metric | R51 |
| 2 | 3.3K | R_0805_2012Metric | R53, R54 |
| 2 | 2.7K | R_0805_2012Metric | R60, R62 |
| 1 | 56R | R_0805_2012Metric | R71 |
| 1 | 2.4K | R_0805_2012Metric | R72 |
| 2 | 11K | R_0805_2012Metric | R75, R76 |
| 1 | 0 | R_0805_2012Metric | R78 |
| 1 | 47K | R_0805_2012Metric | R82 |
| 1 | 10K | R_0805_2012Metric | R84 |
Sega CDX Reproduction design files
The KiCad project lives in the RGBeter/Sega_CDX_Reproduction repository on GitHub; these links point at the commit this page was built from.
- LayoutCDX_Repro.kicad_pcb
- SchematicCDX_Repro.kicad_sch
Sega CDX Reproduction: common questions
How big is the Sega CDX Reproduction PCB?
The Sega CDX Reproduction measures 120.5 × 155 mm, has 6 copper layers and is 1.6 mm thick.
How many components are on the Sega CDX Reproduction?
260 components, from 82 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sega CDX Reproduction design files?
From the RGBeter/Sega_CDX_Reproduction repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sega CDX Reproduction design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which RGBeter chose for the repository.
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