Qty | Part | Remark | Package | Components | |
---|---|---|---|---|---|

Board | |||||

1 | PCB | PABB's ZX Spectrum 48 Issue 3B Redrawn | |||

Integrated Circuits | |||||

1 | ULA 6C001E-6/6C001E-7 | RareReplacements: Retroleum Nebula, vRetro vLA82 | DIP40 | IC1 | |

1 | Zilog Z80A | MRare4MHz or higher. Replacement: Z84C00 | DIP40 | IC2 | |

4 | 74LS157 | M | DIP16 | IC3, IC4, IC25, IC26 | |

1 | ROM | RareReplacement: 27C128 or 27C256, requires hardware modification | DIP28 | IC5 | |

8 | 4116 - 150ns or less | RareReplacement: 4164, requires hardware modification | DIP16 | IC6, IC7, IC8, IC9, IC10, IC11, IC12, IC13 | |

1 | LM1889N | RareAlternative: SN94459N (rare, not recommended) | DIP18 | IC14 | |

8 | 4532 - 200ns or less | RareReplacement: 4164. All 4532 must be of same brand and type. | DIP16 | IC15, IC16, IC17, IC18, IC19, IC20, IC21, IC22 | |

1 | 74LS32 | M | DIP14 | IC23 | |

1 | 74LS00 | M | DIP14 | IC24 | |

Transistors | |||||

2 | ZTX313 | MRareReplacement: BC548C (reverse mounted) | TO92 | TR1, TR2 | |

2 | ZTX313 | MRareReplacement: MPS2369 | TO92 | TR3, TR6 | |

1 | ZTX650 | MRareReplacement: ZTX651 | TO92 | TR4 | |

1 | ZTX213 | MRareReplacement: BC557 (reverse mounted) | TO92 | TR5 | |

1 | ZTX450 | MRareReplacement: ZTX651 or BC337 (reverse mounted) | TO92 | TR7 | |

2 | BC184 | MReplacement: BC549B | TO92 | TR8, TR9 | |

Diodes | |||||

12 | 1N4148 | M | TH | D1, D2, D3, D4, D5, D6, D7, D8, D9, D11, D12, D13 | |

1 | BA157 | M | TH | D15 | |

1 | 5V1 Zener | M | TH | D16 | |

Capacitors | |||||

2 | 16pF - 5% MLCC | M | TH Axial | C72, C73 | |

2 | 33pF - 10% MLCC | M | TH Axial | C37, C38 | |

1 | 47pF - 10% MLCC | M | TH Axial | C63 | |

2 | 100pF - 10% MLCC | M | TH Axial | C64, C67 | |

2 | 150pF - 10% MLCC | M | TH Axial | C52, C53 | |

1 | 560pF - 10% MLCC | M | TH Axial | C49 | |

2 | 10nF - 10% MLCC | M | TH Axial | C35, C39 | |

26 | 47nF - 10% MLCC | M | TH Axial | C1, C2, C3, C4, C5, C6, C7, C8, C26, C29, C30, C33, C40, C41, C42, C48, C55, C56, C57, C58, C59, C60, C61, C62, C66, C76 | |

9 | 100nF - 10% MLCC | M | TH Axial | C31, C32, C43, C68, C69, C70, C71, C75, C77 | |

2 | 1µF - 50V Electrolytic | M | TH Axial | C27, C46 | |

1 | 4.7µF - 5V Electrolytic | M | TH Axial | C74 | |

6 | 22µF - 10V Electrolytic | MLeave out C65 if S-Video Mod is used | TH Axial | C25, C28, C34, C47, C50, C65 | |

2 | 100µF - 16V Electrolytic | M | TH Axial | C44, C45 | |

Resistors | |||||

1 | 15Ω - 1W, 5% | M | TH | R34 | |

3 | 15Ω - 1/4W, 5% | M | TH | R61, R62, R64 | |

1 | 56Ω - 1/4W, 5% | M | TH | R55 | |

1 | 68Ω - 1/4W, 5% | M | TH | R60 | |

1 | 100Ω - 1/4W, 5% | M | TH | R32 | |

1 | 180Ω - 1/4W, 5% | M | TH | R25 | |

2 | 220Ω - 1/4W, 5% | M | TH | R70, R71 | |

7 | 330Ω - 1/4W, 5% | M | TH | R17, R18, R19, R20, R21, R22, R23 | |

1 | 390Ω - 1/4W, 5% | M | TH | R53 | |

11 | 470Ω - 1/4W, 5% | M | TH | R1, R2, R3, R4, R5, R6, R7, R8, R26, R27, R78 | |

2 | 680Ω - 1/4W, 5% | M | TH | R33, R36 | |

1 | 1kΩ - 1/4W, 2% | M | TH | R58 | |

11 | 1kΩ - 1/4W, 5% | M | TH | R24, R37, R42, R45, R46, R47, R56, R63, R73, R76, R77 | |

1 | 1.8kΩ - 1/4W, 2% | M | TH | R59 | |

3 | 2.2kΩ - 1/4W, 5% | M | TH | R48, R51, R52 | |

1 | 3kΩ - 1/4W, 2% | M | TH | R43 | |

1 | 4.7kΩ - 1/4W, 5% | M | TH | R50 | |

1 | 5.1kΩ - 1/4W, 2% | M | TH | R44 | |

8 | 8.2kΩ - 1/4W, 5% | M | TH | R9, R10, R11, R12, R13, R14, R15, R16 | |

13 | 10kΩ - 1/4W, 5% | M | TH | R28, R29, R30, R35, R49, R65, R66, R67, R68, R69, R72, R74, R75 | |

1 | 100kΩ - 1/4W, 5% | M | TH | R54 | |

1 | 220kΩ - 1/4W, 5% | M | TH | R31 | |

Oscillators | |||||

1 | 14 MHz Crystal | HC49 | X1 | ||

1 | 4.433619 MHz Crystal | M | HC49 | X2 | |

Other | |||||

1 | Speaker, 20mW, 40Ω | MRare | |||

1 | 7805 | MNot recommended. Replacement: Traco Power TSR1-2450 | TO220 | ||

1 | Heatsink | RareOnly if 7805 is used. | |||

1 | Coil | Rare | |||

2 | 3.5mm Mono Audio Jack Socket | Raree.g. Cliff FCR1281, with one leg clipped off | |||

1 | DC Power Socket 5.5mm/2.1mm | e.g. Cliff FCR681465P | |||

1 | Keyboard Connector 5-pin | MRareMolex 5229-05CPB | |||

1 | Keyboard Connector 8-pin | MRareMolex 5229-08CPB | |||

1 | Astek UM1233 Modulator | RareAlternatives: Composite Mod, S-Video Mod | |||

4 | Wire Jumper | ||||

Sockets (optional) | |||||

2 | Socket, DIP14 | M74LS00, 74LS32 | DIP14 | IC23, IC24 | |

20 | Socket, DIP16 | MDRAMs, 74LS157 | DIP16 | IC3, IC4, IC6, IC7, IC8, IC9, IC10, IC11, IC12, IC13, IC15, IC16, IC17, IC18, IC19, IC20, IC21, IC22, IC25, IC26 | |

1 | Socket, DIP18 | MLM1889N | DIP18 | IC14 | |

1 | Socket, DIP28 | MROM | DIP28 | IC5 | |

2 | Socket, DIP40 | MCPU, ULA | DIP40 | IC1, IC2 |