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qbancoffee
This repository contains KiCAD schematics and board designs for the TRS-80 Tandy Color Computers.
| Reference | Value | Description |
|---|---|---|
| IC1 | MC6809E | |
| IC2 | 27C256 | |
| IC3 | SN74LS245N | |
| IC4,IC5 | W65C21N6TPG-14 | |
| IC6 | TCC1014 | |
| IC7 | SC77526 | |
| IC8 | SC77527P | |
| IC9 |
| IC10-IC12 | 74LS244 |
|---|
| IC13 | 74LS374 |
|---|
| IC14 | 74LS30 |
|---|
| IC15 | 74LS04 |
|---|
| IC16-IC19 | TMS4464 |
|---|
| IC36 | MC78L08_TO92 |
|---|
| Q1 | 2N6123 |
|---|
| Q2,Q3,Q5-Q7 | 2SC1815 |
|---|
| Q4 | BCX38C |
|---|
| C1,C4,C6-C8,C12-C14,C26,C28,C30,C38-C48,C50,C51 | .1uF |
|---|
| C2,C55,C56,C67 | 10uF 25v |
|---|
| C3 | 1uF 50V |
|---|
| C5,C52,C53 | .033uF |
|---|
| C9 | 100uF 16V |
|---|
| C10,C11,C37,C61 | 39pF |
|---|
| C15,C27 | 100uF 16v |
|---|
| C16,C17,C20,C21,C25,C32,C33,C35,C36,C49,C57 | .022uF |
|---|
| C18,C19,C22,C23 | 1800pF |
|---|
| C24 | 10uF NP |
|---|
| C29 | 4700uF 16V |
|---|
| C31 | 220uF 16V |
|---|
| C34 | 100pF |
|---|
| C54 | 470uF |
|---|
| C58,C59,C68 | 1000pF |
|---|
| C60 | 33pF |
|---|
| C62,C63 | 220uF 25V |
|---|
| C64 | 150pF |
|---|
| C65 | 82pF |
|---|
| C66 | 27pF |
|---|
| CN1 | Conn_02x20_Odd_Even |
|---|
| CN2 | Conn_01x16_Female |
|---|
| CN3 | Conn_02x05_Odd_Even |
|---|
| CN4-CN6 | Conn_01x12_Female |
|---|
| CN7 | Conn_01x03_Male |
|---|
| D1,D2 | 1N5401-G |
|---|
| D3,D4 | UF1002-T |
|---|
| D5,D8-D12 | 1N4148 |
|---|
| D6,D7 | 1N5228B-TAP |
|---|
| D13,D14 | 1N4002 |
|---|
| H1,H2 | MountingHole |
|---|
| J5A1001,TP6 | CVIDEO |
|---|
| J5B1001 | SOUND |
|---|
| JK1 | Left Joystick |
|---|
| JK2 | Right Joystick |
|---|
| JK3 | RS232 |
|---|
| JK4 | Cassette |
|---|
| JP1 | SolderJumper_3_Bridged12 |
|---|
| JP2 | SolderJumper_2_Open |
|---|
| L1 | 1.8uH |
|---|
| MP1,MP2 | 4.7k |
|---|
| R1 | 100K |
|---|
| R2-R8,R11,R21,R24,R59,R61,R62 | 4.7K |
|---|
| R9,R10,R64 | 47 |
|---|
| R12 | 10k |
|---|
| R13 | 100 1/2W |
|---|
| R14 | 220 1/2W |
|---|
| R15 | 270 1/2W |
|---|
| R16,R17,R36,R40,R47,R54 | 1K |
|---|
| R18 | 510 |
|---|
| R19 | .1 ohms 1/2W |
|---|
| R20 | 51 |
|---|
| R22,R43,R50,R57,R72 | 120 |
|---|
| R23 | 82 |
|---|
| R26 | 2.2K |
|---|
| R27 | 1.5K |
|---|
| R28,R39,R46,R53,R68,R71 | 10 |
|---|
| R29 | 3.9K |
|---|
| R30,R34,R60,R69 | 100 |
|---|
| R31 | 39K |
|---|
| R32 | 20K |
|---|
| R33,R35 | 220K |
|---|
| R38,R45,R52 | 3K |
|---|
| R42,R49,R56 | 2K |
|---|
| R63 | 150 |
|---|
| R65 | 1M |
|---|
| R66 | 7.5K |
|---|
| R70 | 470 |
|---|
| RF1 | CoCo3RFModulator |
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| RY1 | J0971CS5VDC.45 |
|---|
| SW1 | SW_DPDT_x2 |
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| SW2 | Reset Switch |
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| SW3 | SW3 |
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| TC1 | 10pF-50pF |
|---|
| TP1 | 5V |
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| TP2 | ECLK |
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| TP3 | QCLK |
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| TP4 | ~{RAS} |
|---|
| TP5 | ~{CAS} |
|---|
| TP7 | VIDEO |
|---|
| TP8 | RED OUT |
|---|
| X1 | 28.63636 MHz |
|---|