That 470Ω spot is the one value between you and a working circuit. This Jaycar carbon film resistor slots in exactly where it should. 0.25W keeps things stable under normal operation. Solder, test, sorted
| brand | Jaycar |
| resistance | 470 ohm |
| power_rating | 0.25 watt |
| type | Carbon Film Resistor |
| sku | ER1568 |