KW-XC777
1-5
Prior to performing the following procedure, remove
the front panel assembly.
Remove the twelve screws B retaining the system
control board.
Remove the five screws C retaining the switch
board.
Unsolder WR501 and WR502 of the wires
connecting the system control board with the switch
board.
1.
2.
3.
Removing the system control board /
switch board (See Fig.4 to 5)
B
B
B
Switch board
Switch board
System control board
CC
B
WR502
WR502
WR501
WR501
WR502
Fig.4
Fig.5
System control board
B
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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