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| + | [title] Remove main circuit board (Optional) |
|---|---|
| + | [* icon_note] The main PCB is bottom-most of the circuit boards. It has the power input on it and the voltage regulator which often goes bad. |
| + | [* black] Remove the three screws at the base of the white plastic holder that is clipped into the main PCB. The circuit board will now lift slightly but be stopped by a ribbon cable. |
| + | [* black] The ribbon cable can be released by pulling forward the tabs on the sides of the connector. Now the circuit board will swing to the side. |
| + | [* black] Unclip the plastic holder from the circuit board. Be careful as the piezo buzzer will still be attached to it. |
| + | [* black] Unplug the power connector (brown-red-orange-yellow wires) from the main PCB. |
| + | [* black] The main PCB is now free to be worked on, but be aware that the FM aerial dangles from a solder connection and can break off. |