| No. | Value | Issue 1 | Issue 3 | Alternative | Comments |
|---|---|---|---|---|---|
| Resistors | |||||
| R1 | 10K | Yes | Yes | ||
| R2 | 680 | Yes | Yes | ||
| R3 | --- | --- | --- | --- | Not used. 330R is connected to C6 in piggy-back |
| R4 | 18K | Yes | Yes | ||
| R5 | 330 | Yes | Yes | ||
| R6 | 2K2 | Yes | Yes | ||
| R7 | 470 | Yes | Yes | ||
| R8 | 470 | Yes | Yes | ||
| R9 | 470 | Yes | Yes | ||
| R10 | 470 | Yes | Yes | ||
| R11 | 470 | Yes | Yes | ||
| R12 | 470 | Yes | Yes | ||
| R13 | 470 | Yes | Yes | ||
| R14 | 470 | Yes | Yes | ||
| R15 | 220K | Yes | Yes | ||
| R16 | 1K | Yes | Yes | ||
| R17 | 1K | Yes | Yes | ||
| R18 | 1K | Yes | Yes | ||
| R19 | 1K | Yes | Yes | ||
| R20 | 1K | Yes | Yes | ||
| R21 | 1K | Yes | Yes | ||
| R22 | 1K | Yes | Yes | ||
| R23 | 1K | Yes | Yes | ||
| R24 | 1K | Yes | Yes | ||
| R25 | 1K | Yes | Yes | ||
| R26 | 1K | Yes | Yes | ||
| R27 | 1K | Yes | Yes | ||
| R28 | 680 | Yes | Yes | ||
| R29 | 1M | Yes | Yes | ||
| R30 | --- | --- | --- | --- | Not used |
| R31 | --- | --- | --- | --- | Not used |
| R32 | --- | --- | --- | --- | Not used |
| R33 | 4K7 | Yes | Yes | ||
| R34 | 220 | Yes | Yes | ||
| R35 | 1K | No | Yes | ||
| R36 | 1K | No | Yes | ||
| R37 | 1K | No | Yes | ||
| R38 | 1K | No | Yes | ||
| R39 | 1K | No | Yes | ||
| R40 | 1K | No | Yes | ||
| R41 | 1K | No | Yes | ||
| R42 | 1K | No | Yes | ||
| R43 | 1K | No | Yes | ||
| R44 | 1K | No | Yes | ||
| R45 | 1K | No | Yes | ||
| R46 | 1K | No | Yes | ||
| R47 | 1K | No | Yes | ||
| Resistor Network | |||||
| RP1 | 8 x 10K | Yes | No | ||
| RP2 | --- | --- | --- | --- | Not used |
| RP3 | 5 x 10K | Yes | No | ||
| Capacitors | |||||
| C1 | 47pF | Yes | Yes | Ceramic | |
| C2 | 47nF | Yes | Yes | Ceramic | |
| C3 | 22uF | Yes | Yes | Electrolytic | |
| C4 | 47nF | Yes | Yes | Ceramic | |
| C5 | 1uF | Yes | Yes | Electrolytic | |
| C6 | 100pF | Yes | Yes | Ceramic | |
| C7 | 47pF | Yes | Yes | Ceramic | |
| C8 | 47nF | Yes | Yes | Ceramic | |
| C9 | 47nF | Yes | Yes | Ceramic | |
| C10 | 10nF | Yes | Yes | Ceramic | |
| C11 | 47nF | Yes | Yes | Ceramic | |
| C12 | 47pF | Yes | Yes | Ceramic | |
| C13 | --- | No | --- | --- | Not used |
| C14 | --- | No | --- | --- | Not used |
| Semiconductors | |||||
| IC1 | ULA | Yes | Yes | 40 pins | |
| IC2 | ROM 2364 | Yes | Yes | 24 pins | |
| IC3 | CPU D780C-1 | Yes | Yes | MK3880 | 40 pins |
| IC4a | /RAM | ||||
| IC4b | PD2114LC | Yes | Yes | 18 pins | |
| IC4 | MK4118 | Yes | Yes | MK4801 or 4816 | 24 pins |
| TR1 | ZTX313 | Yes | Yes | ||
| TR2 | ZTX313 | Yes | Yes | ||
| D1 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D2 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D3 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D4 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D5 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D6 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D7 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D8 | 1N4448 | Yes | Yes | 1N4148 or 1S44 | |
| D9 | --- | --- | --- | --- | Not used |
| Miscellaneous | |||||
| REG | 7805 | Yes | Yes | ||
| X1 | 6,5MHZ | Yes | Yes | ||
| MOD | UN1223 | Yes | Yes | ||
| KB1 | conector | Yes | Yes | 5 pins | |
| KB2 | conector | Yes | Yes | 8 pins |