GX894-PWB
About the GX894-PWB PCB
GX894-PWB is an open source PCB design by NaokiS28, published on GitHub. It is a 2-layer board measuring 231 × 155 mm, with 120 components from 19 distinct parts.
Other key parts include the ZBF253D, PC847, HYC2485S and DS2401P. By type, the board carries 58 ICs, 45 capacitors, 5 resistors and 2 connectors.
It belongs with the audio designs in this gallery.
From the project
Schematics and pinout information for the Konami System 573
This is the IO board that is mostly used with Bemani rhythm games. It uses a SPARTAN FPGA, Xilinx XC9536 CPLD and MAS3507D MP3 audio decoder IC withh a bunch of RAM, opto-isolators and trasceivers thrown in for good measure. The board is practically useless without an FPGA binary blob uploaded to it as nothing is accessible otherwise. This is uploaded by the game at the game's boot (and will show "Digital I/O init failure" if it can't.).
Main components on the GX894-PWB
GX894-PWB bill of materials (BOM)
120 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 49 | ZBF253D | PinSocket_1x02_P2.54mm_Vertical | U1, U9, U11, U12, U16, U20, U25, U27 +41 |
| 7 | PC847 | DIP-16_W7.62mm | U3, U4, U5, U7, U8, U10, U13 |
| 1 | HYC2485S | SIP-8_19x3mm_P2.54mm | U6 |
| 1 | DS2401P | TSOC-6_3.76x3.94mm_P1.27mm | U79 |
| 2 | 573_EXP | JAE-TX15-80P | CN2, CN3 |
| 1 | 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | 19D1 |
| 1 | 29.45MHz | Oscillator_SMD_SeikoEpson_SG8002JC-4Pin_10.5x5.0mm | 26G1 |
| 1 | 19.6608 MHz | Oscillator_SMD_SeikoEpson_SG8002JC-4Pin_10.5x5.0mm | 26G2 |
| 2 | JPJ1018 | RCA_Mounting | 30C1, 30D1 |
| 1 | 4.7Ω | R_Array_Convex_5x1206 | RA1 |
| 3 | 470Ω | R_Array_Convex_5x1206 | RA2, RA3, RA4 |
| 1 | 2.2k | R_Array_Convex_5x1206 | RA5 |
| 8 | 0.1µf | C_0805_2012Metric | C2, C3, C6, C8, C11, C12, C28, C29 |
| 32 | 10nf | C_0805_2012Metric | C14, C15, C16, C17, C18, C19, C22, C23 +24 |
| 4 | 1uf | C_0805_2012Metric | C20, C66, C81, C85 |
| 1 | 0.01MC1K | C_Disc_D4.7mm_W2.5mm_P5.00mm | C46 |
| 2 | 100 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R15, R18 |
| 2 | 5.6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16, R17 |
| 1 | 470Ω | R_Array_Convex_5x1206 | R20 |
GX894-PWB design files
The KiCad project lives in the NaokiS28/Konami-System-573-Documentation repository on GitHub; these links point at the commit this page was built from.
GX894-PWB: common questions
How big is the GX894-PWB PCB?
The GX894-PWB measures 231 × 155 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the GX894-PWB?
120 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the GX894-PWB design files?
From the NaokiS28/Konami-System-573-Documentation repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the GX894-PWB design in my own project?
The repository has no license, so all rights stay with NaokiS28. Use it as a reference, and ask the author before reusing the design.
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