pcjr_schematics
dbalsom
KiCad Schematics for the IBM PCjr
Components (109)
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 |
| C1,C5,C6,C27,C29,C33,C34,C36,C37,C40,C46 | .047uF | capacitor, small US symbol |
| C2,C4,C8,C12-C14,C22,C23,C35,C38,C39,C45,C51 | 10uF | Polarized capacitor, small US symbol |
| C3,C9,C10,C15-C20 | 0.01uF | capacitor, small US symbol |
| C7,C24,C31 | .01uF | capacitor, small US symbol |
| C11 | C_Trim_Small | Trimmable capacitor, small symbol |
| C21 | 2200pF | capacitor, small US symbol |
| C25,C26,C28 | 0.1uF | capacitor, small US symbol |
| C30 | 330pF | capacitor, small US symbol |
| C32 | .1uF | capacitor, small US symbol |
| C41-C44,C47-C50,C58 | .68uF | Polarized capacitor, small US symbol |
| C53-C56 | 150pF | capacitor, small US symbol |
| C57 | 0.68uF | Polarized capacitor, small US symbol |
| C59 | 680pF | capacitor, small US symbol |
| CR2 | 1N914 | 100V 0.3A Small Signal Fast Switching Diode, DO-35 |
| J1 | Light Pen Connector | Generic connector, double row, 02x03, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_G1 | Video Port | Generic connector, double row, 02x08, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_H1 | Serial Port | Generic connector, double row, 02x08, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_J1 | Joystick 1 | Generic connector, double row, 02x04, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_J2 | Joystick 2 | Generic connector, double row, 02x04, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_J3 | Cassette I/O | Generic connector, double row, 02x04, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1_K1 | Keyboard Connector | Generic connector, double row, 02x03, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2_F1 | TV Connector | Generic connector, double row, 02x03, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | Audio Jack | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4 | Composite Video Jack | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J5 | Sidecar Connector | Generic connector, double row, 02x30, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | Conn_01x10 | Generic connector, single row, 01x10, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7 | 64K Memory Expansion Slot | Generic connector, double row, 02x22, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J8 | Modem Card Slot | Generic connector, double row, 02x15, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J9 | Diskette Controller Slot | Generic connector, double row, 02x15, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J10 | Cartridge Slot #1 | Generic connector, double row, 02x18, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J11 | Cartridge Slot #2 | Generic connector, double row, 02x18, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J12 | IR Header | Generic connector, double row, 02x04, row letter first pin numbering scheme (pin number consists of a letter for the row and a number for the pin index in this row. a1, ..., aN; b1, ..., bN), script generated (kicad-library-utils/schlib/autogen/connector/) |
| K1 | DIP RELAY | Relay Miniature Omron DPDT |
| R1,R35,R48,R58,R62,R71,R72 | 22kΩ | Resistor, small US symbol |
| R2,R3 | 510Ω | Resistor, small US symbol |
| R4,R5,R8,R9,R41-R44,R49 | 1kΩ | Resistor, small US symbol |
| R6,R7,R10,R11,R25 | 2.2kΩ | Resistor, small US symbol |
| R12,R13,R34,R36-R38,R45-R47,R60,R61,R73,R74,R79,R83 | 10kΩ | Resistor, small US symbol |
| R14-R17,R39 | 10Ω | Resistor, small US symbol |
| R18 | 75Ω | Resistor, small US symbol |
| R19,R24 | 750Ω | Resistor, small US symbol |
| R20 | 20Ω | Resistor, small US symbol |
| R21 | 680Ω | Resistor, small US symbol |
| R22 | 3.3kΩ | Resistor, small US symbol |
| R23,R31 | 1.2kΩ | Resistor, small US symbol |
| R26 | 360Ω | Resistor, small US symbol |
| R27 | 160Ω | Resistor, small US symbol |
| R28,R80-R82 | 30Ω | Resistor, small US symbol |
| R29 | 3.9kΩ | Resistor, small US symbol |
| R30 | 4.7kΩ | Resistor, small US symbol |
| R32 | 150Ω | Resistor, small US symbol |
| R33,R40,R57,R63,R64,R75,R77,R78 | 10KΩ | Resistor, small US symbol |
| R50 | 3.3KΩ | Resistor, small US symbol |
| R51 | 1MΩ | Resistor, small US symbol |
| R52,R66,R69,R70 | 100kΩ | Resistor, small US symbol |
| R53-R56,R67 | 18kΩ | Resistor, small US symbol |
| R59,R68 | 560kΩ | Resistor, small US symbol |
| R65 | 47kΩ | Resistor, small US symbol |
| SP1 | Speaker | Speaker |
| VR1 | LM340T | Buck Switching Regulator |
| W1 | Jumper_2_Bridged | Jumper, 2-pole, closed/bridged |
| XX1,ZM63 | MK38000 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
| Y1 | Crystal_Small | Two pin crystal, small symbol |
| ZM1 | 74LS08 | Quad And2 |
| ZM2 | SN75477 | Dual Half-H Driver, DIP-8 |
| ZM3 | SN75189 | |
| ZM4 | SN75188 | |
| ZM5,ZM35,ZM42 | 74LS74 | Dual D Flip-flop, Set & Reset |
| ZM6 | 74LS86 | Quad 2-input XOR |
| ZM7,ZM38,ZM39 | 74LS32 | Quad 2-input OR |
| ZM8 | 8284A | Clock Generator and Driver for i8086/88 Microcontrollers, PDIP-18 |
| ZM9 | 8250 | PC8250A, Universal Asynchronous Receiver/Transmitter, PDIP-40 |
| ZM10 | 74LS51 | Dual 3- and 2-input AND-NOR ( S = /(AB[C] + DE[F]) ) |
| ZM11,ZM55,ZM58 | 74LS00 | quad 2-input NAND gate |
| ZM12,ZM19,ZM24,ZM48,ZM60,ZM65 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
| ZM13 | 74LS125 | Quad buffer 3-State outputs |
| ZM14 | NE558 | Quad Monostable Timer |
| ZM15,ZM31 | 74LS157 | Quad 2 to 1 line Multiplexer |
| ZM16,ZM33,ZM44,ZM45 | 74LS04 | Hex Inverter |
| ZM17,ZM47 | 74LS138 | Decoder 3 to 8 active low outputs |
| ZM18 | 74LS175 | 4-bit D Flip-Flop, reset |
| ZM20 | SN76496N | Digital Complex Sound Generator, 3 square wave channels, 1 noise channel, up to 500kHz clock input, audio input pin, DIP-16 |
| ZM21 | MC6845 | CRT Controller 1MHz, DIP-40 |
| ZM22 | 8255 | Programmable Peripheral Interface, PDIP-40 |
| ZM23 | 8253 | Programmable Interval Timer, PDIP-24 |
| ZM25 | 74LS93 | Divide by 2 & 8 counter |
| ZM26 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 |
| ZM27,ZM28,ZM75,ZM79 | 74LS258 | Quad 2 to 1 Multiplexer, inverting |
| ZM29 | 74LS153 | Dual Multiplexer 4 to 1 |
| ZM30,ZM74 | 74LS273 | 8-bit D Flip-Flop, reset |
| ZM32 | 8259A | 8259, Programmable Interrupt Controller, PDIP-28 |
| ZM34,ZM54 | 74LS112 | dual JK Flip-Flop, Set & Reset |
| ZM36 | Gate Array | CRT Controller 1MHz, DIP-40 |
| ZM37 | 74LS367 | Hex Bus Driver 3-state outputs |
| ZM40 | 8088 | 8088 (minimum mode), 8-Bit HMOS Microprocessor, PDIP-40 |
| ZM41,ZM66,ZM67 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
| ZM43 | 74LS20 | Dual 4-input NAND |
| ZM46 | 74LS15 | Triple 3-input AND |
| ZM49,ZM57 | 74LS373 | 8-bit Latch, 3-state outputs |
| ZM50 | MC14529B | Digital Complex Sound Generator, 3 square wave channels, 1 noise channel, up to 500kHz clock input, audio input pin, DIP-16 |
| ZM51 | PE 21212 | PE 21212 Time Delay |
| ZM52 | 28L22 | 1K PROM |
| ZM53 | 74LS02 | quad 2-input NOR gate |
| ZM56 | 24S10 | 1K PROM |
| ZM59 | 74LS257 | Quad 2 to 1 Multiplexer |
| ZM61,ZM62,ZM68,ZM69,ZM71,ZM72,ZM76,ZM77 | 4164 | 65536 x 1 bit Dynamic RAM, 120/150ns access time, single 5V ±10% power supply, TTL compatible inputs, DIP-16 (Epoxy/Plastic package) |
| ZM64 | MK34000 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
| ZM70,ZM73,ZM78 | 74LS374 | 8-bit Register, 3-state outputs |