Sharp Aquos LC 26GD4U, Service Manual

Page: 30 / 207

30
LC-26GD4U
Adjustment item Adjustment conditions Adjustment procedure
1 Adjustment DVI-I (digital)
2 Auto adjustment Page 9/15
performance
Feed the 100% white 1/2 window pattern signal to DVI-I (digital) input.
Bring the cursor on [
Ë
DVI DIGITAL ADJ] and press [ENTER].
[
Ë
DVI DIGITAL ADJ FINISH] appears when finished.
(7) DVI-I (digital) signal adjustment
100% White
0% Black
1/4
1/4
1/2
1/4 1/4
1/2
8. Adjustment of white balance
Start up the set and adjust the white balance.
1. Place the set under the following conditions.
AV Mode: [STANDARD] Color Temp.: [Middle]
Monochrome: [ON] Black: [OFF]
Feed the component 15k (60Hz) adjustment signal via INPUT1 to display the adjustment screen (High: 80%,
Low: 30%).
2. Execute the automatic adjustment.
1) In order for the 80% pattern to become the reference value, adjust the "MONITOR GAMMA HI R",
"MONITOR GAMMA HI G" and "MONITOR GAMMA HI B" settings.
2) In order for the 30% pattern to become the reference value, adjust the "MONITOR GAMMA LO R",
"MONITOR GAMMA LO G" and "MONITOR GAMMA LO B" settings.
Reference value: [Minolta CA-210]
(480i)
Make adjustments so that x=0.295 and y=0.307. (80% gray scale)
Make adjustments so that x=0.277 and y=0.284. (30% gray scale)
(480i)
Make adjustments so that x=0.295 and y=0.307. (80% gray scale)
Make adjustments so that x=0.277 and y=0.284. (30% gray scale)