Sharp Aquos LC-45GD1E, Service Manual

Page: 25 / 281

25
TU-45GD1E
LC-45GD1E
4. Adjustment procedure
1) Analog adjustment
Before starting the adjustment, make sure that the signal source setting is proper for the LCD Europe.
Ë
Signal generator level adjustment check (Adjustment to the specified level)
•
Composite signal: 0.714Vp-p
±
0.02Vp-p (from Pedestal level to white)
•
15K component signal: Y level: 0.714Vp-p
±
0.02Vp-p (from Pedestal level to white)
PB, PR level: 0.7Vp-p
±
0.02Vp-p
•
33K component signal: Y level: 0.7Vp-p
±
0.02Vp-p (from Pedestal level to white)
PB, PR level: 0.7Vp-p
±
0.02Vp-p
•
DVI-I (analog RGB) signal: RGB level: 0.714Vp-p
±
0.02Vp-p (Pedestal level to white)
Adjusting point Adjusting conditions Adjusting procedure
1 Input signal setting
2 Auto adjustment
performance
•
Feed the PAL Full Field colour bar signal (75%
colour saturation) to Video input of INPUT 4.
•
Feed the PAL colour bar signal to TUNER.
•
The PAL colour bar pattern should have the
synchronization level of 7:3 with the picture.
[Signal]
PAL
Full Field Colour Bar (INPUT4)
PAL colour bar (Tuner)
[Terminal]
INPUT 4 Video input
TUNER
Bring the cursor on [
Ë
PAL ALL Adjust] and press [OK].
[
Ë
PAL ALL Adjust Finish] appears when finished.
Process adjustment mode
page 3
(2) PAL signal and tuner adjustment
[Video input signal setting] [PAL colour bar]
100%White
100%White
(1) AVC system chassis pre-adjustment
Adjusting point Adjusting conditions Adjusting procedure
1 Adjustment process
mode
See "Entering the process adjustment mode" on
the previous page.