Sharp AQUOS LC-32D62U, Service Manual

Page: 29 / 162

LC-32D62U/LC-37D62U 1st
5 – 11
7. Video signal adjustment procedure
7.1. Signal adjustment
1. Checking the Device
Before starting the adjustment, make sure the adjustment tool and signal generator are set for Sharp LCD US.
Checking the signal generator level adjustment (Set to the standard level.)
2. Process mode
3. Composite N358 signal/tuner adjustment
4. Component 15K signal adjustment
•
Composite signal : 0.714 Vp-p
±
0.02 Vp-p (from pedestal to white)
•
15K component signal : Y level : 0.714 Vp-p
±
0.02 Vp-p (from pedestal to white)
PB, PR level : 0.7 Vp-p
±
0.02 Vp-p
•
33K component signal : Y level : 0.7 Vp-p
±
0.02 Vp-p (from pedestal to white)
PB, PR level : 0.7 Vp-p
±
0.02 Vp-p
•
1080P component signal : Y level : 0.7 Vp-p
±
0.02 Vp-p (from pedestal to white)
PB, PR level : 0.7 Vp-p
±
0.02 Vp-p
Adjustment item Adjustment conditions Adjustment procedure
1 Process mode Enter the process adjustment mode using the process adjustment remote controller.
Adjustment item Adjustment conditions Adjustment procedure
1 Setting N358 signal
US-10ch Feed the N358 color bar signal (75% color saturation) to VIDEO 1 input.
Feed the RF signal (by use of US-10ch) to TUNER.
2 Automatic adjust-
ment execution
Move the cursor to [ N358 ALL ADJ] and press the [ENTER] key.
When [ N358 ALL ADJ FINISH] appears, the adjustment is complete.
Adjustment item Adjustment conditions Adjustment procedure
1 Setting 480i signal Feed the 100% color bar signal to VIDEO 1 COMPONENT input.
2 Automatic adjust-
ment execution
Move the cursor to [ COMP 15K ALL ADJ] and press the [ENTER] key.
When [ COMP 15K ALL ADJ FINISH] appears, the adjustment is complete.
[Video input signal] [US-10ch]
100% white 0% black 100% white
75% Color saturation
0% black
480i
100% color bar
100% white
100% Color saturation