Sharp LC-20M4E (serv.man8) Service Manual ▷ View online
LC-20M4E
4
Main unit (rear view)
Power
button
button
button
buttons
Sound
button
Infrared transmitter window
button
buttons
Menu control section
OPERATION MANUAL
Main unit (front view)
Remote Control
Speaker
switch
button
buttons
buttons
button
MENU
—
+
AV INPUT
SELECT
Speaker
To change the vertical angle of
the LCD monitor, tilt the screen
up to 10 degrees backward.
The monitor can also be
rotated 20 degrees horizontally.
Please adjust the angle so that
the monitor can be watched
most comfortably.
the LCD monitor, tilt the screen
up to 10 degrees backward.
The monitor can also be
rotated 20 degrees horizontally.
Please adjust the angle so that
the monitor can be watched
most comfortably.
A green indicator lights when the power is on
and a red indicator lights when in the standby
mode (the indicator will not light when the main
power is off).
and a red indicator lights when in the standby
mode (the indicator will not light when the main
power is off).
The red indicator
flashes when the
monitor receives
the signal from the
remote control.
flashes when the
monitor receives
the signal from the
remote control.
Stand
Rear Speaker
(woofer)
(woofer)
Can also be used as video
output terminals.
output terminals.
5
LC-20M4E
DIMENSIONS
(Unit: mm)
52
186
437.5
406.3
179.9
460
378
186
44.5
5
2
38.3
LC-20M4E
6
REMOVING OF MAJOR PARTS
1. Detach the Rear cover.
2. Remove the Table stand fixing screws (4 pcs.).
3. Remove the Jack PWB fixing screws (9 pcs.) .
4. Remove the Cabinet B fixing screws (5 pcs.).
5. Push on the
hook 5-1
of the Cabinet B to detach, open the cabinet and detach the hooks
from
5-2 ∼ 5-9
, and then detach the Cabinet B.
6. Peel off the 9 wire holders and 8 tapes, then detach the connecting cords.
7. Detach the connectors from each PWB.
4
3
2
Cabinet B
Table Stand
Stand Cover
Hinge Cover
Table Stand (Cover)
5-7
5-8
5-9
5-6
5-5
5-4
5-3
5-2
5-1
Cabinet A
1
Rear Cover
SC1201
SC1202
SC401
Speaker
(Inverter
PWB)
PWB)
(Switch PWB)
6
6
Tape
(Main PWB)
6
Speaker Cover (R)
Jack PWB Holder
Speaker Cover (L)
6
6
P4302
P4702
P4001
P1701
P1703
P1702
P1701
P1702
P1771
P4602
SC4402
P4601
P2003
P701
Tape
Tape
Tape
Tape
Tape
7
7
7
7
7
7
7
7
7
LC-20M4E
8. Remove the Main PWB fixing screws (4 pcs.).
9. Remove the Inverter PWB fixing screws (3 pcs.).
10. Remove the Jack PWB fixing screw (1 pc.) and Ground fixing screw (1 pc.),
and then remove the Reinforcement plate.
11. Remove the LCD unit fixing screws (2 pcs.).
12. Remove the Switch PWB fixing screws (3 pcs.).
Reinforcement
plate
plate
LCD unit
Main PWB
Jack PWB Ass'y
Switch PWB
Cabinet A
Inverter PWB
12
11
8
9
10
11
P3204
P3203
7
10
8