Sharp LB-1085 (serv.man2) Service Manual / Parts Guide ▷ View online
LB-1085
DISASSEMBLY AND ASSEMBLY
4 – 7
■
LED PWB disassembly and assembly
1) Remove the front cabinet. (Refer to “
■ Front cabinet disassembly and assembly”)
2) Remove 2 screws A (M3 x 6), and remove the LED PWB holder. Disconnect 1 connector, and remove the LED PWB from the LED PWB holder.
3. BACKLIGHT DISASSEMBLY AND ASSEMBLY
■
Backlight PWB disassembly and assembly
Note: If the protection panel is installed, remove it before attaching the open/close caster jig.
1) Remove the front cabinet. (Refer to “
■ Front cabinet disassembly and assembly”)
2) Remove the LED PWB. (Refer to “
■ LED PWB disassembly and assembly”)
3) Remove 8 screws A (M4 x 5) and 8 screws B (M5 x 5 Black), and remove 2 side covers.
A
A
A
B
B
B
B
B
B
B
B
A
A
A
A
A
A
Side cover
Side cover
LB-1085
DISASSEMBLY AND ASSEMBLY
4 – 8
4) Pull up the actuator on the FPC connector, and disconnect the FPC.
Stick the FPCs on the angle with scotch tape or with some tape whose adhesive is not left on the FPC or the angle*.
(*If the adhesive is left on the FPCs or the angle, it may cause trouble.)
Remove 3 screws (M5 x 10).
Fix the caster jig for open/close on the right side with 2 screws.
FPC
FPC
FPC connector
Angle
Scotch tape
* Don't disconnect the connector of the LCD side.
Side view
Open/close caster jig
LB-1085
DISASSEMBLY AND ASSEMBLY
4 – 9
5) Remove 8 screws (M5 x 10).
6) Grasp the handle and open the LMD (Lamp Maintenance Door) very slowly.
Before opening the "Lamp Maintenance door".
Must check if FPC detach from connector.
Must check if FPC detach from connector.
∗
Range of movement of the open/close stand jig
(Reference to the center of the screen)
(Reference to the center of the screen)
930 mm - 1700 mm
In closing the LMD, please do the inverse procedure.
∗
Limit opening angle is 60 degree.
(Don't open more)
(Don't open more)
∗
Before opening the "Lamp Maintenance door".
Must check if FPC detach from connector.
Must check if FPC detach from connector.
∗
Handle
LB-1085
DISASSEMBLY AND ASSEMBLY
4 – 10
7) Install the Lamp.
1 Fit the terminal pin to lamp connector. (both ends)
*
Printing mark is right side.
2 Insert Lamp to “Lamp Clip” vertically. (1 clip per each lamp)
3 Rotate the Lamp with holding both ends. (direction of rotation: printing mark is back side of the module.)
Note:
• The lamp installing procedure must be performed with two persons.
• When installing the lamp, install the lamp connectors on the both sides and then the lamp clip in this sequence.
• Insert the lamp into the lamp clip from above perpendicularly and slowly.
(If it is inserted diagonally, the pawl may be broken. Use a great care not to insert in the pawl-opening direction.)
L1
L2
L2
L23
L24
L24
1
1
3
2
Lamp
Fix Lamp 24 pcs
Lamp number
Numbering rule is
from the upper side in order
of L1, L2 thru L23 and L24
toward under.
from the upper side in order
of L1, L2 thru L23 and L24
toward under.
Hold the both ends of the lamp, and rotate it 90 degrees.
(Turn it so that the print mark at the lamp end is on the reflection
sheet side.)
(Turn it so that the print mark at the lamp end is on the reflection
sheet side.)
Lamp
terminal
terminal
Lamp
Lamp clip
Do not push
in the pawl-opening
direction.
in the pawl-opening
direction.
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