PG-C20XE. Version 1.3 - Sharp Projector Handy Guide. Page 33

33

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

10

Video BRIGHTNESS
adjustment

1. Feed the NTSC 10-step signal.
2. Select the following group, sub-
group and subject.
Group : Adjust VIDEO Image
Sub-group: VPC3230
Subject : Bright

Make sure the setting is as shown below.
PG-C20XU ........ 142
PG-C20XE ........ 145

11

Video CONTRAST
adjustment

1. Feed the NTSC 10-step signal.
2. Select the following group, sub-
group and subject.
Group : Adjust VIDEO Image
Sub-group: VPC3230
Subject : Contrast
3. Connect the synchroscope to
TP1402.

First reach a setting where the colour tone
level 10 gets saturated. Then decrease the
setting by one point.

12

Colour saturation
adjustment

1. Feed the colour bar signal.
2. Select the following group, sub-
group and subject.
Group : Adjust VIDEO Image
Sub-group: VPC3230
Subject : Color

Make sure the setting is 128.

13

PSIG adjustment

1. Select the following group, sub-
group and subjects.
Group : Adjust VIDEO image
Sub-group: CXA2111R
Subject : PRGLEV
SIDLEV
2. Connect the synchroscope to
TP1210.
3. Using the NTSC 10-step input
signal, make sure that there is no
vertical stripes appearing every 12
dots. (If white or black vertical stripes
appear, fine-adjust the SIDLEV
setting.)

Make sure the setting is as shown below.
PRGLEV ........... 61
SIDLEV ............. 170

14

VIDEO panel
input signal
amplitude
adjustment

1. Select the following group, sub-
group and subjects.
Group : Adjust VIDEO image
Sub-group: CXA2111R
Subject :
AMP-R-Gain (In R adjustment)
AMP-R-BLK (In R adjustment)
AMP-G-Gain (In G adjustment)
AMP-G-BLK (In G adjustment)
AMP-B-Gain (IN B adjustment)
AMP-B-BLK (IN B adjustment)
2. Connect the synchroscope to the
following TPs.
In R adjustment TP1101
In G adjustment TP1201
In B adjustment TP1301
3. Feed the NTSC 10-step signal.

1.Select AMP-R-Gain and adjust the signal
amplitude to 3.8 

± 0.1Vp-p.

2.Select AMP-R-BLK and adjust the white-
white signal amplitude to 2.1 

± 0.1Vp-p.

3.Select AMP-G-Gain and adjust the signal
amplitude to 3.5 

± 0.1Vp-p.

4.Select AMP-G-BLK and adjust the white-
white signal amplitude to 2.6 

± 0.1Vp-p.

5.Select AMP-B-Gain and adjust the signal
amplitude to 3.5 

± 0.1Vp-p.

6.Select AMP-B-BLK and adjust the white-
white signal amplitude to 2.6 

± 0.1Vp-p.

Note: Make sure that the black side does not
interfere in Gain adjustment.