Read Sharp XG-P25XE (serv.man10) Service Manual online
XG-P25X
27
Color
adjustment
Adjustment direction
Amount of adjustment.
Adjustment place form
Ajdustment jig
Fixing screw
Fixed screw tool.
Red
polarizing plate adjustment
θ
direction
±1°
Notch & Hole A
eccentric screwdriver
A
Phillips screwdriver
Green
polarizing plate adjustment
θ
direction
±1°
Notch & Hole B
eccentric screwdriver
B
Phillips screwdriver
Blue
polarizing plate adjustment
θ
direction
±1°
Notch & Hole C
eccentric screwdriver
C
Phillips screwdriver
Adjustment procedure reguired when the lamp has been replaced and you can see ununifomity. (Case of
Right and Left have ununifomity on the screen)
(1) Let the lamp light up.
(2) Receive the white pattern signal at 100%.
(3) Loosen the four lock screws from the lamp duct.
(4) Looking at the white image on the screen, turn the lamp duct until the uniformity comes to best point on the screen.
(5) Tighten the lock screws of the lamp duct. (Tighten torque is 10±2kg·cm)
Right and Left have ununifomity on the screen)
(1) Let the lamp light up.
(2) Receive the white pattern signal at 100%.
(3) Loosen the four lock screws from the lamp duct.
(4) Looking at the white image on the screen, turn the lamp duct until the uniformity comes to best point on the screen.
(5) Tighten the lock screws of the lamp duct. (Tighten torque is 10±2kg·cm)
Adjusting the lamp duct.
Adjustment of incident polarizing plate.
Carry it out when removing polarizingplate.
(From the condition that the top cabinet opens.)
1.Remove screws, earth plate from the output PWB.
2.Extend each FFC cable of R, G, B (Using QCNW-4852CEZZ) and try so that it can move a PWB so that it can
1.Remove screws, earth plate from the output PWB.
2.Extend each FFC cable of R, G, B (Using QCNW-4852CEZZ) and try so that it can move a PWB so that it can
see the part which adjusts polarizing plate from the top.
3.Turn on the power, and indicate a black screen on the screen.
<Adjusting the G-LCD incident polarizing plate.>
4.Move an output PWB so that you can see screw B and notch & hole B.
5.Put an eccentric screwdriver (9EQDRIVER-NV1A) in notch & hole B, and loosen screw B.
<Adjusting the G-LCD incident polarizing plate.>
4.Move an output PWB so that you can see screw B and notch & hole B.
5.Put an eccentric screwdriver (9EQDRIVER-NV1A) in notch & hole B, and loosen screw B.
(Loosen it too much, and be careful that the screw doesn't come off.)
6.Adjust with the eccentric screwdriver in the place where a brightness is the lowest, and tighten screw B, and fix it
with seeing a black screen.
Adjust it with screw A and notch & hole A when adjusting incident polarizing plate of R-LCD.
Adjust it with screw C and notch & hole C when adjusting incident polarizing plate of B-LCD.
Adjust it with screw A and notch & hole A when adjusting incident polarizing plate of R-LCD.
Adjust it with screw C and notch & hole C when adjusting incident polarizing plate of B-LCD.
❈
Adjust it in the turn of Green, Red, Blue with 3 place of RGB as well when adjusting it.
❈
Be careful not to make it short-circuit when moving an output PWB.
Lamp duct
turn
Lock screws
Screw C
Notch & Hole C
Screw A
Screw B
Notch & Hole A
Notch & Hole B
