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STD Sega MD2 not complete
License: GPL 3.0
Mode: Editors' pick
- 1
Update time：
2021-04-21 04:08:07
Creation time：
2020-02-28 12:10:41
Description
Not complete PCB.
Circuit diagramm pre final, no sound system.
Design Drawing
schematic diagram
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1
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PCB
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1
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）
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editor.
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | К561ЛС2А | U6 | DIP-16_L20.3-W10.2-P2.54-LS10.2-BL | 1 |
| 2 | QUARZ | U4,U3 | QUARZ | 2 |
| 3 | 100 | R12 | R0603 | 1 |
| 4 | Sega MD Controller Port | CN1,CN2 | SEGA DB9 CONTROLLER | 2 |
| 5 | К561ЛА7 | U5 | DIP-14_L17.8-W10.2-P2.54-BL | 1 |
| 6 | 10K | R5,R21,R7,R8,R9,R10,R11,R4,R6,R3,R2,R22,R1,R13,R14,R15,R16,R17,R18,R19,R20 | 0603 | 21 |
| 7 | A2 | JMP1,JMP3 | JMP-2-NO | 2 |
| 8 | 47pf | C2,C1 | RAD-0.1 | 2 |
| 9 | 0.068mf | C4 | RAD-0.1 | 1 |
| 10 | 100nF (0.1u) | C5 | RAD-0.1 | 1 |
| 11 | 1u | C8,C7 | RAD-0.1 | 2 |
| 12 | 2N3904 | Q1 | TO-92(TO-92-3) | 1 |
| 13 | TCT-6705 | U2 | PQFP-128_L14.0-W20.0-P0.50-BL | 1 |
| 14 | 560k | R23 | 0805 | 1 |
| 15 | 100k | R24 | 0805 | 1 |
| 16 | MD_CARD_64PIN | U1 | SEGA_CARD_SLOT | 1 |
| 17 | B | B1 | BUTTONS_PAD | 1 |
| 18 | C | C6 | BUTTONS_PAD | 1 |
| 19 | rubber pad pcb placement | UP1,LEFT1,START1,RIGHT1,DOWN1 | BUTTONS_PAD | 5 |
| 20 | Turbo-C | C3 | BUTTONS_PAD | 1 |
| 21 | Turbo-B | B2 | BUTTONS_PAD | 1 |
| 22 | A | A1 | BUTTONS_PAD | 1 |
| 23 | Turbo-A | A2 | BUTTONS_PAD | 1 |
| 24 | SW | SW2 | SW | 1 |
| 25 | JAP | SW5 | SW | 1 |
| 26 | ENG | SW4 | SW | 1 |
| 27 | NTSC/PAL | SW3 | SW | 1 |
| 28 | 60hz | SW1 | SW | 1 |
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