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Motorola A780 サービスマニュアル
Disassembly

Removing and Replacing the Keypad PCB Assembly

Flip Lens
28
1.
Remove the battery cover, battery, SIM card, stylus, rear housing, and
transceiver board assembly, flip assembly, and flip inner cover as described in
the procedures.
2.
Remove the 2 screws securing the keypad PCB assembly. Retain the screws
for reassembly. See Figure 12a.
3.
Using the disassembly tool, gently lift up the keypad PCB assembly and
disconnect the flex connector. See Figure 12b.
A
Keypad PCB Assembly
Flex Connector
B
Figure 12. Removing the Keypad PCB Assembly
4.
To replace, insert the flex connector squarely into its mating connector on the
back of the keypad PCB assembly and press firmly until it snaps into place.
5.
Replace the 2 screws securing the keypad PCB assembly and tighten to a final
torque setting of 1.5 inch pounds. Do not over tighten.
6.
Reassemble and replace the flip assembly, transceiver board assembly, rear
housing, stylus, SIM card, battery, and battery cover as described in the
procedures.
September 20, 2004
Screw Locations
Disassembly Tool
Earpiece
A780
Loud Speaker
6809488A90