Read Sharp UP-3301 (serv.man4) Service Manual online
UP-3301V
Removing the Top cabinet
– 3 –
5. Removing the Top cabinet
1) Remove the two Screws
1
.
2) Remove the Side cabinet
7
.
3) Remove the Screw
2
.
4) Remove the Printer cover
3
.
5) Remove the Screw
4
.
6) Remove the Top cabinet
8
.
a) Lift the top cabinet straight in the direction of arrow A. (Be care-
ful not to pull the cable between the LCD I/F PWB of the top
cabinet and the MAIN PWB of the Bottom cabinet.)
b) Pull and remove the following cables between the LCD I/F PWB
of the top cabinet and the MAIN PWB of the Bottom cabinet.
• LCD Cable
5
: MAIN PWB : CN6
• Earth wire
6
.
6. Replacing the Top cabinet
Install the top cabinet in the reverse order of removal. Before installa-
tion, make sure that each connector is securely connected.
7. Removing the Power transformer,
NF PWB and AC cord
1) Remove the Power transformer
1
.
a) Remove the four Screws
2
.
b) Remove the two Connectors
3
.
2) Remove the NF PWB
4
.
a) Remove the four Screws
5
.
b) Remove the two Screws
6
and the three Earth wire
7
.
c)
Remove the NF angle unit
8
.
d) Remove the Screw
9
.
3) Remove the AC cord
F
.
a) Use a minus screwdriver to loosen the AC cord fixing screws (2
pcs.) of the NF PWB
4
unit.
b) Remove the two screws
G
.
c) Remove the AC cord cover
H
.
d) Remove the AC cord
F
from the NF PWB
4
.
8. Replacing the Power transformer,
NF PWB and AC cord
Install the in the Power transformer, NF PWB and AC cord in the
reverse order of removing. Before installing, make sure that each con-
nector is connected securely.
1
A
2
1
7
8
4
3
5
*
When connecting the AC cord to the power supply unit in assembly,
tighten with the torque of 3 kg/cm
tighten with the torque of 3 kg/cm
m
1 kg/cm.
1
7
8
4
2
6
5
3
5
9
10
3
10
11
12
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