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3/000 21-2/FEA 209 544/12.B Working instruction
Approved according to 1776-2/FEA 209 544.
Working instruction standard repair
Dome switch
The dome must be removed from the board when soldering near the dome or solder
Dome foil
1. Remove the dome switches with a tweezer (fig1).
2. Take a new dome switch. and place it on the PCB.To position the dome, use the
four LEDs closest to the display (fig2).
Note! Be accurate when positioning the dome switch on the PCB.
Make sure there are no resedues left on the board
fig1 fig2
Shilding can
Disassemble
Remove the vibrator conntact use an tweezer, pull it straight out (fig3)
Push the snap holders until the shield are completly lose (fig4)
Remove the shield
1
Working instruction 3/000 21-2/FEA 209 544/12.B
fig3 fig4
Reassemble
Place the shields guide pin in the guide hole at the board
Press the shield on the other side until a snap is heard (fig5)
Mount the vibrator connector (fig6)
fig5 fig6
2