| 1 |  | Transistor, Si, NPN, BC547, base left, housing PS4-2 | PS4423-1C |
| 1 |  | Transistor, Si, NPN, BC547, base right, housing PS4-2 | PS4423-1D |
| 1 |  | Transistor, Si, PNP, BC558, base left, housing PS4-2 | PS4423-1E |
| 1 |  | Transistor, Si, PNP, BC558, base right, housing PS4-2 | PS4423-1F |
| 1 |  | Transistor, Si, NPN, BD237, base left, housing PS4-2 | PS4423-1G |
| 1 |  | Transistor, Si, NPN, BD237, base right, housing PS4-2 | PS4423-1H |
| 1 |  | Transistor, Si, PNP, BD238, base left, housing PS4-2 | PS4423-1J |
| 1 |  | Transistor, Si, PNP, BD238, base right, housing PS4-2 | PS4423-1K |
| 1 |  | Darlington transistor TIP 162, base left, housing PS4-2 | PS4423-2C |
| 1 |  | Field-effect transistor, P-Channel, Enhancement , housing PS4-2 | PS4423-2F |
| 1 |  | Field-effect transistor, N-Channel, Enhancement, housing PS4-2 | PS4423-2G |
| 1 |  | Field-effect transistor J112, housing PS4-2 | PS4423-2H |
