2-10 MAINTENANCE
6.6 Disassembly of Control Head - CM140/CM340
1. Disconnect the flat cable from the Control Head PCB connector. See Figure 2-11
2. Remove the keypad assembly from the control head housing by lifting it up from the face
side.
3. Disconnect the speaker socket and remove the speaker from the keypad assembly.
4. Remove the pcb from the keypad assembly.
5. Remove the LENs from the rubber keypad assembly.
.
Figure 2-11 Control Head Housing Removal (CM140/CM340)
NOTE
DO NOT touch or contaminate the conductive pads on the under side of the keypad
or the conductive contacts on the printed circuit board.
Control Head Housing
Keypad Assembly
Lens
PCB
Speaker
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