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mbhp_genesis [2017/08/13 14:55]
sauraen [Construction differences by sound chip type] 		mbhp_genesis [2023/09/05 04:17]
sauraen [Component stuff chart]
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-{{http://​midibox.org/​forums/​uploads/​monthly_2015_11/​large.mbhp_genesis_1e_front.jpg.97a341757653897ba6218555ea690650.jpg?640}}+{{http://​midibox.org/​forums/​uploads/​monthly_2015_11/​large.mbhp_genesis_1e_front.jpg.54c08f42d0fd242b1039f5e83a067ddd.jpg?640}}
  
 ====== Summary ====== ====== Summary ======
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 | 1 | Y2 or Y4 | 3.58 MHz (or 4 MHz) oscillator | 520-TCH357-X | Oscillator (either half-size/​8-DIP or 5x7mm SMD) at desired PSG frequency. MIDIbox Genesis firmware will correct frequencies to match original VGM pitch. | | 1 | Y2 or Y4 | 3.58 MHz (or 4 MHz) oscillator | 520-TCH357-X | Oscillator (either half-size/​8-DIP or 5x7mm SMD) at desired PSG frequency. MIDIbox Genesis firmware will correct frequencies to match original VGM pitch. |
 | 3 | Q1, Q2, Q3 | 2N7000 or BS170 | 821-TSM2N7000KC821-T or 512-BS170 | Any small-signal N-channel MOSFET with the gate as the center pin; the board silkscreen is for 2N7000, if you use BS170 (as I did) mount them backwards to match the source and drain pins. | | 3 | Q1, Q2, Q3 | 2N7000 or BS170 | 821-TSM2N7000KC821-T or 512-BS170 | Any small-signal N-channel MOSFET with the gate as the center pin; the board silkscreen is for 2N7000, if you use BS170 (as I did) mount them backwards to match the source and drain pins. |
-| - | J1, J2, J5, J6, J7, J8 | 0.1" pin headers | Buy in bulk | Headers; J1, J2, and J7 connect all boards together, so put sockets on one side of the boards and have the pins sticking ​through on the other sides. J5 and J6 are individual on each board if used, and J8 is only on the final board. | +| - | J1, J2, J7, J10 | 0.1" ​stackable ​pin socket/headers | 782-A000086 | Pin sockets with long pins (from Arduino shields), for stacking the boards together. ​Buy in bulk and combine them for the appropriate sizes. Use a regular pin header for the lowest board in the stack; ​have each header mounted with the socket below the board and the pins sticking ​out the top. See [[http://​midibox.org/​forums/​uploads/​monthly_2017_08/​large.finished_inside2.jpg.459682a854f131f34f39a57ba6cdb27a.jpg|this photo]] of the stack. | 
-| - | J10 | 0.1" ​dual row pin headers | Buy in bulk | Headers; ​J10 connects all boards together, so put sockets on one side of the boards ​and have the pins sticking through ​on the other sides. |+| - | J5, J6, J8 | 0.1" pin headers | Buy in bulk | Headers; ​J5 and J6 are individual on each board if used, and J8 is only on the final board. |
 | 1 | L1 | 10 uH inductor | 434-SMCCN-100K-02 | For LC filter for analog power rail | | 1 | L1 | 10 uH inductor | 434-SMCCN-100K-02 | For LC filter for analog power rail |
 | 2 | C12, C13 | 100 uF electrolytic | Buy in bulk | Power rail filter caps | | 2 | C12, C13 | 100 uF electrolytic | Buy in bulk | Power rail filter caps |
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 ^ Parts ^ A ^ B ^ C ^ D ^ E ^ F ^ G ^ H ^ I ^ J ^ K ^ L ^ M ^ N ^ O ^ P ^ ^ Parts ^ A ^ B ^ C ^ D ^ E ^ F ^ G ^ H ^ I ^ J ^ K ^ L ^ M ^ N ^ O ^ P ^
-| U1, C1, C14, C15, Y1 or Y3, C20, C21, R11, R12, R15, R16, C23, C24, R18, R19, R21, R22 | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |+| U1, C1, C14, C15, Y1 or Y3, C20, C21, R11, R12  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | R8, R9 |   | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | R8, R9 |   | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | R33, R34 |   ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | R33, R34 |   ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
-| U2, C2, Y2 or Y4, U10, C10, Q2, Q3, R4:6, R10, C22, R13, R17, C25, R20, R23, R24 |   ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | +| U2, C2, Y2 or Y4, U10, C10, Q2, Q3, R4:6, R10, C22, R13 |   ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | 
-| J1, C12, L1, C13, C11, U4, C4, C16, R31, R32, C18, C19, U5, C5, C17, R25, R26, C29, C30, C31, C32, R27:30, J8 | X |   ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |+| J1, C12, L1, C13, C11 | X |   ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | J6, R7 |   ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | J6, R7 |   ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | U7, C7 |   ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | U7, C7 |   ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | U8, C8 |   ​| ​  ​| ​  ​| ​  ​| ​  | X | X | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | U8, C8 |   ​| ​  ​| ​  ​| ​  ​| ​  | X | X | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | U6, C6, Q1, R1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | U6, C6, Q1, R1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
-| U9, C9, C26:​28 ​|   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |+| U9, C9 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | J5 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | J5 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
 | Short U3:5 to U3:15 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | | Short U3:5 to U3:15 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  |
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 | Short U8:3 to U8:6  |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  ​| ​  | | Short U8:3 to U8:6  |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  ​| ​  |
 | U3, C3, J2 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  | | U3, C3, J2 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X | X |   ​| ​  ​| ​  |
 +| U4, C4, U5, C5, C16:19, C23:32, R15:32, J8  |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  ​| ​  |
 | Short U3:13 to J3:2, short U3:12 to J3:1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  | | Short U3:13 to J3:2, short U3:12 to J3:1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   ​| ​  |
 | Short U3:11 to J3:2, short U3:10 to J3:1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   | | Short U3:11 to J3:2, short U3:10 to J3:1 |   ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  ​| ​  | X |   |
mbhp_genesis.txt · Last modified: 2023/09/05 04:19 by sauraen

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