ADJUSTMENT
GENERAL INFORMATION7) Adjust parallelogram as arrow keys to be the best
condition.
All adjustment are thoroughly checked and corrected
8) Adjust balance of pin-balance as arrow keys to be
when the monitor leaves the factory, but sometimes
the best condition.
several adjustments may be required.
9) DIST. ADJ. ? FOS. ADJ command.
Adjustment should be following procedure and after
10) Adjust V-SIZE as arrow keys to 200?2mm.
warming up for a minimum of 30 minutes.
11) Adjust V-POSITION as arrow keys to center of the
screen.
Y Alignment appliances and tools.
12) Adjust H-SIZE as arrow keys to 270?4mm.
- IBM compatible PC.
13) Adjust H-POSITION as arrow keys to center of the
- Programmable Signal Generator.
screen.
(eg. VG-819 made by Astrodesign Co.)
- EPROM or EEPROM with saved each mode data.14) Adjust S-PCC (Side-Pincushion) as arrow keys to be
- Alignment Adaptor and Software.the best condition.
- Digital Voltmeter.15) Adjust TRAPEZOID as arrow keys to be the best
- White Balance Meter.condition.
- Luminance Meter.16) Save of the Mode 1.
- High-voltage Meter.17) Display from Mode 2 to 4 and repeat above from
number 10) to 17)
AUTOMATIC AND MANUAL DEGAUSSING
18) PRESET EXIT ? Y (Yes) command.
The degaussing coil is mounted around the CDT so that
automatic degaussing when turn on the monitor. But a
4. Adjustment for White Balance and Luminance.
monitor is moved or faced in a different direction, become
1) Set the White Balance Meter.
poor color purity cause of CDT magnetized, then press
2) Press the DEGAUSS on the OSD menu for
DEGAUSS on the OSD menu.
demagnetization of the CDT.
3) COLOR ADJ. ? LUMINANCE command of the
ADJUSTMENT PROCEDURE & METHOD
alignment program.
-Install the cable for adjustment such as Figure 1and run
4) Set Brightness and Contrast to Max position.
the alignment program on the DOS for IBM compatible PC.
5) Display color 0,0 pattern at Mode 4.
-Set external Brightness and Contrast volume to max position.
6) COLOR ADJ.? BIAS ADJ.? COLOR No. ? 1
1. Adjustment for B+ Voltage.command of the alignment program.
1) Display cross hatch pattern at Mode 4.7) Check whether green color or not at R-BIAS and G-
2) Adjust C999 (+) voltage to 50? 0.5Vdc.BIAS to min position and G-BIAS to 127(7F)
position. Sub-Brightness to 190(5A) position. Adjust
2. Adjustment for High-Voltage. G2 (screen) command to 0.4? 0.05FL of the raster
1) Display cross hatch pattern at Mode 4.luminance.
2) DIST.ADJ? CTRL PWM ? High Voltage Command.8) Adjust R-BIAS and G-BIAS command to x=0.283?
3) Adjust High Voltage to 24.5kV?0.1 kVdc.0.005 and y=0.298?0.005 on the White Balance
4) Press Enter Key.Meter with PC arrow keys.
9) Adjust SUB-Brightness command to 0.7?0.1FL of the
3. Adjustment for Factory Mode (Preset Mode).raster luminance.
1) Display cross hatch pattern at Mode 1.10) Adjust repeat number 8).
2) Run alignment program for CB553H on the IBM 11) After push the OENTER � key.
compatible PC.11-1)COMMAND ? PRESET START ? Y(Yes) command.
3) EEPROM ? ALL CLEAR ? Y(Yes) command. 12) Display color 15,0 full white pattern at Mode 4.
<Caution>Do not run this procedure unless the 13) DRIVE ADJ.? No 1. command.
EEPROM is changed. All data in EEPROM (mode 14) Set Brightness and Contrast to Max position.
data and color data) will be erased.15) Set SUB-CONTRAST Max 160(A0) (decimal) position.
4) Power button of the monitor turn off ? turn on.16) Set G-DRIVE to 160(A0) at DRIVE of the alignment
5) COMMAND ? PRESET START ? Y(Yes) command.program.
6) DIST. ADJ. ? BALANCE command.
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ACEC
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