Read Sharp ER-A771 (serv.man6) Service Manual online
ER-A771VI
Removing the rear cover
– 1 –
1. Removing the rear cover
1) Remove the two screws
1
fixed on the lower cabinet.
2) Remove the rear cover
2
.
Fig.1
2. Replacing the rear cover
Install the rear cover in the reverse order of removing.
3. Removing the top cabinet
1) Remove the two screws
1
fixed on the lower cabinet.
2) Remove the top cabinet.
a) Lift the rear edge of the top cabinet in the direction of arrow
A
.
b) Slide the top cabinet in the direction of arrow
B
and remove
three pawls of the bottom cabinet at the same time. (Be careful
not to break the pawls.)
c) Lift the top cabinet and put it straight in the direction of arrow
C
.
(Be careful not to pull the cable between the top cabinet and the
main PWB.)
d) Pull and remove the following cables between the top cabinet
and the main PWB.
• Cable
2
between the main PWB and the invertor PWB: (CN7)
• Cable
3
between the main PWB and the LCD: (CN6)
• Cable
4
between the main PWB and the CKDC PWB: (CN4)
e) Remove the earth wire
5
and
6
.
Fig.2
Fig.3
Precautions
• Before installation, be sure to turn off the power.
• Use gloves to protect your hand from being cut by the angle and the
chassis.
• Connect all the cables securely. When connecting or disconnecting
the cables, be careful not to apply stress to the cables. (It may
cause disconnection.)
cause disconnection.)
• Ground the human body to eliminate static electricity. When assem-
bling the LCD, use a discharge blower to prevent the introduction of
dust.
dust.
• Be careful when working near the high voltage transformer.
1
2
A
B
1
1
C
3
2
6
4
5
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