(No.49834)1-9
3.1.6 Removing the main board
(See Figs.12 to 16)
• Prior to performing the following procedures, remove the top
chassis and motor assembly.
(1) Disconnect the flexible wires from the connectors CN703
and CN991 on the main board respectively. (See Fig.12.)
(2) Move the front bracket backward until it stops.
(3) Remove the four screws L attaching the arm brackets (L)
and (R). Move the arm brackets (L) and (R) from the rod
gear. (See Fig.12.)
(4) Remove the rod gear.
(5) Remove the screw M attaching the rear panel to the bottom
cover from the back side of the main body. (See Fig.14.)
(6) Remove the three screws N attaching the main board and
move the main board backwards to release the two joints
c. (The main board will be removed with the rear panel and
rear heat sink) (See Figs.12 and 15.)
(7) Remove the screw P and Q attaching the rear heat sink.
(See Fig.16.)
(8) Remove the three screws R and screw S attaching the rear
panel, then remove the main board. (See Fig.16.)
Fig.12
Fig.13
Fig.14
Fig.15
Fig.16
3.1.7 Removing the lifter switch board
(See Fig.17)
• Prior to performing the following procedure, remove the top
chassis, motor assembly and main board.
(1) Remove the two screws T attaching the lifter switch board
to the bottom chassis.
Fig.17
L
L
M
NN
Main board
CN991
Rod gear
CN703
Arm
brackets (L)
Arm
brackets (R)
Rod gear
Main board
Arm brackets (L)
Arm brackets (R)
M
Rear panel
Bottom cover
Joint c
Joint c
Main board
Q
P
R
S
Rear panel
Rear heat sin
T
Bottom chassis
Lifter switch board
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
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