Removing The Rear Cover; Replacing The Rear Cover; Removing The Top Cabinet - Sharp ER-A770 Installation Manual

Precautions
•
Before installation, be sure to disconnect the AC power.
•
Use gloves to protect your hands 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.)
•
Ground the human body to eliminate static electricity. When
assembling the LCD, use a discharge blower to prevent the
introduction of dust.
•
Be careful when working near the high voltage transformer.

1. Removing the rear cover

1) Remove the two screws 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 fixed on the lower cabinet.
2) Remove the top cabinet.
a) Lift the rear edge of the top cabinet in the direction of arrow
b) Slide the top cabinet in the direction of arrow
three pawls of the bottom cabinet at the same time. (Be care-
ful not to break the pawls.)
c) Lift the top cabinet and put it straight in the direction of arrow
.
(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 between the main PWB and the invertor PWB:
(CN13)
•
Cable
•
Cable
(CN8)
e) Remove the earth wire
A
1
C
3
.
and remove
between the main PWB and the LCD: (CN10)
between the main PWB and the CKDC PWB:
and .
B
1
Fig. 2
5
Fig. 3
1
6
2
4