2-4
YS-W270/W270P (E)
2-5-4. Lower Case Assembly
1.
Remove the upper case assembly. (Refer to Section 2-
5-1.)
2.
Remove the front panel assembly. (Refer to Section 2-
5-2.)
3.
Remove the rear panel assembly. (Refer to Section 2-
5-3.)
4.
Remove the six screws, then remove the lower case
assembly.
5.
Attach the lower case assembly in the reverse order of
steps 1 to 4.
B 3
x
5
B 3
x
5
CN1
B 3
x
5
AC-214 board
PS-616 board
CN506
Harness
Harness
B 3
x
5
B 3
x
5
Lower case assembly
Main chassis assembly
2-6. Removal and Installation of Board
2-6-1. AC-214 Board
1.
Remove the upper case assembly. (Refer to 2-5-1.)
2.
Disconnect the two harnesses from the connector
(CN506) on the PS-616 board and the connector
(CN1) on the AC-214 board.
3.
Remove the six screws, then remove the AC-214
board.
4.
Attach the AC-214 board in the reverse order of steps
1 to 3.