Adjustment Procedure - Sharp LC-32HT2U Service Manual

2.4. Video signal adjustment procedure
1) Image adjustment
1. Device check
Before adjustment, make sure that the adjusting device and signal source are set for the Sharp LCD US.
Signal generator level adjustment check (Adjustment to the specified level)
• Composite signal
• 15K component signal
• 33K component signal
• DVI-I (Analog RGB) signal
2. Entering the adjustment process mode
Adjustment item Adjustment conditions
1 Adjustment pro-
cess mode
3. N358 composite signal / Tuner adjustment
Adjustment item Adjustment conditions
1 Adjustment N358 signal
US-10ch
2 Auto adjustment Page 3
performance
4. Component 15K signal adjustment
Adjustment item Adjustment conditions
1 Adjustment 480i signal
2 Auto adjustment Page 5
performance
:
: Y level :
PB, PR level :
: Y level :
PB, PR level :
: RGB level :
Enter the process adjustment mode using the process adjustment remote control.
Feed the N358 color bar signal (75% color saturation) to VIDEO 1 input.
Feed the RF signal (by use of US-10ch) to TUNER.
100% white
Bring the cursor on [
[ N358 ALL ADJ FINISH] appears when finished.
Feed the 100% color bar signal to VIDEO 1 component input.
Bring the cursor on [
[ COMP 15K MAIN ADJ FINISH] appears when finished.
5 – 5
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
0.7Vp-p ± 0.02Vp-p
0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
0.7Vp-p ± 0.02Vp-p
0.7Vp-p ± 0.02Vp-p (Pedestal to white level)

Adjustment procedure

Adjustment procedure
[Video input signal]
75% color saturation
N358 ALL ADJ] and press [ENTER].
Adjustment procedure
100% white
COMP 15K MAIN ADJ] and press [ENTER].
LC-32HT2U
[US-10CH]
100% white
480i
100% color bar signal
0% black