Sharp LC-20B4U-B, Service Manual

Page: 15 / 100

15
LC-20B4U-S
LC-20B4U-B
5 White balance adjustment
6 Checking and modifying
the settings adjustment
(If E
2
PROM is replaced)
Adjustment Adjusting conditions Adjusting method
1. The upper six items are for other than
D2, whereas the lower six are for D2.
When any of the upper six settings
has been modified, the equivalent
item in the lower six has the same
setting. Now the D2 settings can be
finely readjusted.
Go to the adjustment mode and
check the following settings.
Adjustment
process page
VPC17
VPC18
DPS1
DPS3
DPS6
DPS11
DPS16
DPS21
DPS26
DPS31
DPS36
DPS40
DPS41
Item
DVD NTSC CR
DVD NTSC CB
DVD NTSC TINT
DVD NTSC BRIGHTNESS
DVD NTSC CONTRAST
DVD PAL CR
DVD PAL CB
DVD PAL TINT
DVD PAL BRIGHTNESS
DVD PAL CONTRAST
N358 BRIGHTNESS
N358 AV CTI7D
PAL-M BRIGHTNESS
PAL-N BRIGHTNESS
PAL BRIGHTNESS
SECAM BRIGHTNESS
PAL60 BRIGHTNESS
N443 BRIGHTNESS
D2 BRIGHTNESS
HPRESC FIL42
D2 RGB CON
OSD setting
40
→
35
40
→
35
5
→
1
60
→
68
30
→
28
40
→
35
40
→
35
7
→
1
60
→
68
30
→
28
0
→
-2
153
→
57
0
→
-2
0
→
-2
0
→
-2
0
→
-2
0
→
-2
0
→
-2
5
→
-11
0
→
48
29
→
33
3
RCUTOFF
0
GCUTOFF 0
BCUTOFF 0
R-GAIN 0
G-GAIN 0
B-GAIN 0
D2 RCUTOFF 0
D2 GCUTOFF 0
D2 BCUTOFF 0
D2 R-GAIN 0
D2 G-GAIN 0
D2 B-GAIN 0
Red cut-off adjustment
Green cut-off adjustment
Blue cut-off adjustment
White balance
White balance
White balance
Red cut-off adjustment (D2)
Green cut-off adjustment (D2)
Blue cut-off adjustment (D2)
White balance (D2)
White balance (D2)
White balance (D2)
See if all the settings are as speci-
fied. If not, select an item in question
with "VOL (+)" or "VOL (–)" key and
adjust the setting as shown at left.
* An item selected will be highlighted
in yellow.
Ver.1.00 data reprograming