Special Features; Video Signal Adjustment Procedure - Sharp LC-42D65U Service Manual

LC-42D65U

6. Special features

* STANDBY CAUSE (Page 1/38)
Display of a cause (code) of the last standby
The cause of the last standby is recorded in EEPROM whenever possible.
Checking this code will be useful in finding a problem when you repair the troubled set.
* EEP SAVE (Page 38/38)
Storage of EEP adjustment value
* EEP RECOVER (Page 38/38)
Retrieval of EEP adjustment value from storage area

7. Video signal adjustment procedure

*Adjustment process mode menu is listed in section 5.
7.1. Signal check
Signal generator level adjustment check (Adjustment to the specified level)
•
Composite signal
•
15K component signal
•
33K component signal
•
Analog RGB
7.2. Entering the adjustment process mode
Enter the adjustment process mode according to the steps described in section 3.
7.3. N358 composite signal adjustment (Tuner)
Adjustment item
1 Adjustment
2 Auto adjustment
performance
7.4. Component 15K signal adjustment
Adjustment item
1 Adjustment
2 Auto adjustment
performance
:
: Y level
PB, PR level
: Y level
PB, PR level
: RGB level
Adjustment conditions
N358 signal Feed the NTSC (3.58) split field color bar signal (75% color saturation)
US-10ch to VIDEO 1 input. Feed the RF signal (by use of US-10ch) to TUNER-A.
Page 3/38 Bring the cursor on [•N358 ALL ADJ (INPUT1)] and press [ENTER].
[•N358 ALL ADJ (INPUT1) OK] appears when finished.
Adjustment conditions
480i signal Feed the 100% color bar signal to INPUT 1 component input.
Page 5/38 Bring the cursor on [•COMP 15K ADJ (INPUT1)] and press [ENTER].
[•COMP 15K ADJ (INPUT1) 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
:
0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
:
Adjustment procedure
[Video input signal]
100% white
Adjustment procedure
100% white
5 – 11
[US-10CH]
100% white