Olivetti_M20_L1_schematics
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Components (124)
| Reference | Value | Description |
|---|---|---|
| U1,U2,U17,U74 | Spare20 | |
| U3,U25,U70,U87,U94,U149,U150 | 'LS00 | |
| U4,U30,U51 | '16 | |
| U5,U6,U52,U92 | 'LS74 | |
| U7 | 'LS132 | |
| U8,U42 | 'LS138 | |
| U9,U69,U79,U89,U98,U110,U127,U148 | 'LS244 | |
| U10,U13 | 'LS32 | |
| U11,U90,U134,U135 | 'S74 | |
| U12 | 16MHz | |
| U14 | FD1797 | |
| U15,U43,U125,U126,U146,U147 | 'LS373 | |
| U16 | 'LS374 | |
| U18 | 'LS112 | |
| U19,U77,U85,U91,U96,U108,U112,U123,U129,U144 | 'S04 | |
| U20,U50 | 'S05 | |
| U21,U39 | 74LS138 | |
| U22,U131 | 8251 | |
| U23,U103,U111,U130 | 'S08 | |
| U24,U95 | 'LS02 | |
| U26 | 'LS260 | |
| U27,U53 | 'LS14 | |
| U28,U97,U113,U114 | 'S00 | |
| U29,U45,U72 | 74LS163 | |
| U31 | WD1691 | |
| U32 | 'LS629 | |
| U33 | 8259 | |
| U36 | 'S138 | |
| U37 | 'LS08 | |
| U38,U40,U86,U104 | 'LS10 | |
| U41 | 'LS30 | |
| U44 | N82S181 | |
| U46 | 'LS163 | |
| U47 | 'LS123 | |
| U48 | 'LS221 | |
| U49 | WD2143M-03 | |
| U54-U57,U65-U68 | 27128 | |
| U58 | Z8001 | |
| U59,U63 | 'S245 | |
| U60,U64 | 'S373 | |
| U61 | 'S163 | |
| U62 | 8255 | |
| U71,U128 | 'LS04 | |
| U73,U93 | 'LS245 | |
| U75,U105,U107 | 'LS20 | |
| U76,U106 | 'S32 | |
| U78 | MC6845 | |
| U80-U83,U102 | 'S253 | |
| U84 | PE-21389 | |
| U88 | 'LS670 | |
| U109 | 12MHz | |
| U115-U122,U136-U143 | 41256 | |
| U124,U145 | 'LS166 | |
| U132,U153 | 75189 | |
| U133 | 75188 | |
| U151 | 'S20 | |
| U152 | 8253 | |
| UA28 | HH3006A | |
| UA35,UB35 | 75451 | |
| .A1,.A2,.B1,.B2,C.1,C.2,D.1,D.2,TP1-TP3 | TestPoint | |
| C1-C12,C16-C28,C30,C33,C36-C45,C49-C83,C85-C91,C93-C100,C102-C105,C107-C114,C116-C124,C126-C133,C135-C142 | 100n | |
| C13-C15,C48,C84 | 47µ | |
| C29 | 0.68 | |
| C31 | 100p | |
| C32,C46 | C | |
| C34,C35,CX1 | 1µ | |
| C47 | 33µ | |
| C101,C143 | 22µ | |
| C106,C115,C125,C134 | 10µ | |
| D1-D3 | 4148 | |
| J1 | 3.96mm | |
| J2 | Floppy Disk | |
| J3,J4 | EdgeCard100 | |
| J5 | VIDEO | |
| J6 | Parallel | |
| J7 | RS232 | |
| J8-J10 | EdgeCard62 | |
| J11 | KBD | |
| JP1 | #DD | |
| JP2 | B | |
| JP3 | #X | |
| JP4 | Patch | |
| JP5 | #ZA | |
| JP6 | #E | |
| JP7 | #HH | |
| JP8 | #D | |
| JP9 | #JJ | |
| JP10 | #M | |
| JP11 | #G | |
| JP12 | Conn_02x08_Counter_Clockwise | |
| JP13 | #C | |
| JP14 | #P | |
| JP15 | #N | |
| JP16 | #T | |
| JP17 | #R | |
| JP18 | #S | |
| JP19 | #FF | |
| JP20 | #CC | |
| JP21 | #A | |
| JP22 | #AA | |
| R1 | 22k | |
| R2 | 47R | |
| R3,R11,RP7,RP9,RP10 | 10k | |
| R4 | 30Ω | |
| R5,R6 | 47.5k | |
| R7 | 68 | |
| R8 | 100k | |
| R9 | 50k | |
| R12,R14-R17,R21,R22 | R | |
| R13 | 47k | |
| R18,R20,R25-R29,RP1-RP6,RP8,RP12,RP14-RP18,RP25 | 1k | |
| R19,R24 | 150R | |
| R23 | 15k | |
| R30 | 4.7k | |
| RP13,RP19,RP20 | 33R | |
| RP21,RP26 | 33Ω | |
| RP22,RP23,RP27,RP28 | 120R | |
| RP24 | 27k | |
| SW1 | Reset-Button | |
| TP5 | EXT_PCLK | |
| VR1 | UA7805UC | |
| VR2 | 79L05 | |
| W.1 | M20-Jumper.2 | |
| Z1 | 8.2V |