Sharp LC-60LE650U Service Manual page 74

LC-60/70/80LE650U/LE657U/C6500U/LE757U/LE857U,60/70LE755U/C7500U
8. Signal adjustment
8.1. LCD section adjustment [LCD module adjustment]
Adjustment item
1 Opposite bias adjustment
(LCD module adjustment
item)
8.2. Image adjustment
8.2.1 Device check
Before adjustment, check that the adjustment jig and signal source are set for Sharp LCD US.
Signal generator level adjustment check (Adjust to the standard value level.)
• Composite signal:
• 15K component signal:
• 33K component signal:
• Analog RGB:
8.2.2 Process mode
Adjustment point
Process mode
Adjustment conditions
Adjustment in the center 1) Enter the process mode using the process adjustment remote control.
position of the panel
2) Select [VCOM ADJ] using the Channel
3) Press the Enter key to check that the pattern for adjustment is displayed.
4) Make adjustment so that the flicker located in the center of the screen is mini-
5) If the optimum condition is obtained in step 4, press the Enter key to turn off the
CAUTION: * Make adjustment with no ANT signal (since the brightness is changed
[Adjustment position]
•
•
0.714Vp-p ± 0.02Vp-p (Pedestal to white)
Y level: 0.714Vp-p± 0.02Vp-p (Pedestal to white)
0.7Vp-p ± 0.02Vp-p
PB/PR level:
0.7Vp-p ± 0.02Vp-p (Pedestal to white)
Y level:
0.7Vp-p ± 0.02Vp-p
PB/PR level:
0.7Vp-p ± 0.02Vp-p (Pedestal to white)
RGB level:
Adjustment conditions
Adjustment procedure
mized using the Volume +/- keys on the remote control.
pattern.
by the active backlight).
LC-60/70/80LE650U/LE657U, 60/70LE755U/LE757U/LE857U/C6500U/C7500U
1/2
1/2
1/2
LC-80LE757U/LE857U
Adjustment procedure
Enter the process adjustment mode using the process adjustment remote control.
5 – 11
/ keys on the remote control.
1/2