Confidential
2-
2. Unplug the keypad cable.
3. Disassemble Top Cover Module
Note: - There are 3 tenons (as blue circle)
on the top cover,when disassembling
it, you must be carefull so as not to
damage the top cover.
2-4 Disassemble Keypad
Module
1. Tear off the 3M tape and unplug the key
pad cable.
2. Unscrew 4 screws(as red circle)
3. Take out the key pad board and the
key button.
PK-301/PK320/PK301 PLUS