Qx10 sound card
About the Qx10 sound card PCB
Qx10 sound card is an open source PCB design by brijohn, published on GitHub. It is a 2-layer board measuring 281 × 79 mm, with 32 components from 20 distinct parts.
Other key parts include the 74LS245, 74LS541, 74LS125, 74LS00 and 74LS04. By type, the board carries 11 capacitors, 9 ICs, 8 resistors and 4 connectors.
From the project
Epson QX-10 Files
Main components on the Qx10 sound card
Qx10 sound card bill of materials (BOM)
32 components, 20 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS245 YM2149 SN74LS245N | DIP-40_W15.24mm_Socket_LongPads | U1 |
| 1 | 74LS541 74LS138 SN74LS541N | DIP-16_W7.62mm_LongPads | U2 |
| 1 | 74LS541 74LS08 SN74LS541N | DIP-14_W7.62mm_LongPads | U3 |
| 1 | 74LS125 74LS245 SN74LS125AN | DIP-20_W7.62mm_LongPads | U4 |
| 1 | 74LS00 74LS541 SN74LS00N | DIP-20_W7.62mm_LongPads | U5 |
| 1 | 74LS04 74LS00 SN74LS04N | DIP-14_W7.62mm_LongPads | U6 |
| 1 | LS74 74LS86 SN74LS74AN | DIP-14_W7.62mm_LongPads | U7 |
| 1 | 74LS30 74LS138 SN74LS30N | DIP-16_W7.62mm_LongPads | U8 |
| 1 | 74LS139 74LS08 SN74LS139AN | DIP-14_W7.62mm_LongPads | U9 |
| 1 | JUMPER_3_OPEN Speakers 68001-103HLF | Jack_3.5mm_CUI_SJ1-3533NG_Horizontal | J1 |
| 1 | JUMPER_3_OPEN Base Address 68001-103HLF | PinHeader_2x08_P2.54mm_Vertical | J2 |
| 1 | 609-3271 MPU401 68001-104HLF | PinHeader_2x13_P2.54mm_Horizontal | J3 |
| 1 | INT Select | PinHeader_2x03_P2.54mm_Vertical | J4 |
| 2 | 470uF | CP_Radial_D8.0mm_P3.50mm | C1, C2 |
| 8 | .1uF | C_Disc_D5.0mm_W2.5mm_P2.50mm | C3, C4, C5, C6, C7, C8, C9, C10 |
| 1 | 0.1UF .1uF K104K15X7RF5UL2 | C_Disc_D5.0mm_W2.5mm_P2.50mm | C11 |
| 1 | 3K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 2 | 10K 3K MFR-25FRF52-10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R3 |
| 3 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R5, R8 |
| 2 | 1K6 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7 |
Qx10 sound card design files
The KiCad project lives in the brijohn/qx10 repository on GitHub; these links point at the commit this page was built from.
Qx10 sound card: common questions
How big is the Qx10 sound card PCB?
The Qx10 sound card measures 281 × 79 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Qx10 sound card?
32 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Qx10 sound card design files?
From the brijohn/qx10 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Qx10 sound card design in my own project?
The repository has no license, so all rights stay with brijohn. Use it as a reference, and ask the author before reusing the design.
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