Eiki EK-400XA Service Manual page 30

* Note 1
30
Remark(*) :
Remove the four
screws on back of
the Top-Cover to
remove Keypad
board, then take out
the keypad.
RSPL ITEM 23
PWB KEYPAD
 Remove the main
board Al-Cover.
Note 1:
Watch for the GND
when assembly.