Video Signal Adjustment Procedure - Sharp LC-26DA5U Service Manual

2-3. 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
(2) Entering the adjustment process mode
Adjustment item
Adjustment
1
process mode
(3) N358 composite signal / Tuner adjustment
Adjustment item
1 Adjustment
2 Auto adjustment Page 3
performance
(4) Component 15K signal adjustment
Adjustment item
1 Adjustment
2 Auto adjustment Page 5
performance
:
: Y level
PB, PR level :
: Y level
PB, PR level :
Adjustment conditions
Enter the process adjustment mode using the process adjustment remote
control.
Adjustment conditions
Feed the N358 color bar signal (75% color saturation) to VIDEO 1 input.
N358 signal
Feed the RF signal (by use of US-10ch) to TUNER.
US-10ch
Bring the cursor on [ËN358 +TUNER ADJ] and press [ENTER].
[ËN358 +TUNER ADJ OK] appears when finished.
Adjustment conditions
Feed the 100% color bar signal to Video 1 component input.
480i signal
Bring the cursor on [ËCOMP 15K ADJ] and press [ENTER].
[ËCOMP 15K ADJ OK] appears when finished.
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
Adjustment procedure
Adjustment procedure
[Video input signal]
75% color saturation
↑100% white
Adjustment procedure
↑100% white
21
LC-26DA5U
LC-32DA5U
[US-10CH]
↑100% white
480i
100% color bar signal
↑0% black