Minelab F1A4 Manual de servicio descargar pdf (Pagina 28)

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance

Page 28

5.2.5 Front Panel Replacement

1. Place F1A4 Control Box on an Anti-static mat, ensuring that the wrist strap is

being worn and is firmly connected to the Anti-static mat.

2. Remove the 6 screws from the Front Panel and pull the Front Panel away

from the case.

3. Remove PCB from the case (refer to 5.2.4 if required).

4. Unplug the blue ribbon cable.

5. Desolder all wires, at the PCB, from the coil plug, loudspeaker, switch and

earset connector (note wiring/PCB connections). Separate the Front Panel

from the PCB.

6. With the new Front Panel in position, solder all the wires to the PCB (refer to

Section 7 for PCB connections if required).

7. Reconnect the ribbon cable (ensure that there are two spare pins on the

loudspeaker side and three spare pins on the earset jack side).

8. Apply a spot of hot glue to the blue ribbon connector plug to hold it in place.

9. Refit the PCB into the case.

10. Go to Section 4 to retest the F1A4 Control Box.

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Minelab F1A4 Manual de servicio Pagina 28