Chapter 7 Parts Replacement
7-3
AC-4000H Service Manual No. 085-7323-08
7.2
Detaching Internal Parts
This work must be carried out after finishing preceding section 7.1.
Detaching the keyboard relay board (P-862A)
1.
Pull out harnesses 1 and 2 of the key sheet from
the P-862A.
2.
Remove the 4 M4 screws fixing the key relay
board (P-862A).
Detaching the key sheet
1.
Peel off the sheet from the edge of the key sheet.
Note: Care must be paid so as not to damage the
main body when peeling off the key sheet.
Detaching the operator display
1.
Remove the four screws securing the display.
Harness 1
Harness 2
M4 screw
P-862A
Key sheet
Display
Screw (M3 x 6)