PG-C20XE. Version 1.3 - Sharp Projector Handy Guide. Page 31

31

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

1

Initialisation of EEPROM

1. Turn on the power (with the lamp
on) and warm up the set for 15
minutes.
2. Select the following group, sub-
group and subject.
Group : Option
Sub-group:
EEPROM Initialise
Subject : Initialise Start

Make the following settings.
Press SW1601 to call the process mode.
Initialise the EEPROM by execution of
Initialise Start. (After the execution of
Initialise Start, the EEPROM will not be
initialised unless the power is once turned
off.)

2

Brightness adjustment

1. Feed the XGA 10-step signal.
2. Select the following group, sub-
group and subjects.
Group : Adjust PC Image
Sub-group: AD
Subject :
R-Bright (In R adjustment)
G-Bright (In G adjustment)
B-Bright (In B adjustment)
3. Connect the synchroscope
(0.2V/div.) to the following TPs.
In R adjustment TP1403
In G adjustment TP1402
In B adjustment TP1401

Adjust the setting just until the colour tone
level 0 starts moving.

3

Drive adjustment

1. Feed the XGA 10-step signal.
2. Select the following group, sub-
group and subjects.
Group : Adjust PC Image
Sub-group: AD
Subject :
R-Contrast (In R adjustment)
G-Contrast (In G adjustment)
B-Contrast (In B adjustment)
3. Connect the synchroscope
(0.2V/div.) to the following TPs.
In R adjustment TP1403
In G adjustment TP1402
In B adjustment TP1401

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

4

Panel input
signal amplitude
adjustment

1. Select the following group, sub-
group and subjects.
Group : Adjust PC 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 XGA 10-step signal.

1. Select AMP-R-GAIN and adjust the signal
amplitude to 3.8 ± 0.1. Select 0.1Vp-p.
2. Select AMP-R-BLK and adjust the white-
white signal amplitude to 2.1 ± 0.1Vp-p.
Note: Make sure that the black side does not
interfere in GAIN adjustment.
Adjust the amplitude as for G and B in the
same procedure.