(No.PA023)1-19
SECTION 4
ADJUSTMENT
4.1
BEFORE STARTING ADJUSTMENT
(1) Adjustment items utilize a personal computer.
(2) Data back up is required before adjustments.
(3) Allow the equipment and test instruments adequate time
(at least 10 minutes) to warm-up.
(4) Confirm the set is properly connected to the specified AC
power source.
(5) Use care not to disturb internal controls and parts not spe-
cifically mentioned.
(6) Unless specifically mentioned in the "ADJUSTMENT"
steps, do not change any data.
4.2
INSTRUMENTS AND TOOLS
• Oscilloscope
• Light meter [for example: Minolta T-10]
• Color-meter [CL-200]
• Personal computer
• Adjustment software
• RS-232C 9pin NULL-MODEM (cross) cable
• Photoelectric conversion device (one of these)
Light meter [Minolta T-10] A-out (Analog output)
• Screen
• Darkroom (illumination less than 0.03 lx)
< Use these instruments and tools if necessary >
• NTSC / PAL signal generator : component [Y / CB / CR] output
Gray scale : 0IRE-100IRE
Flat (raster) pattern : 10%
• HDTV signal generator : component output [Y / PB / PR], HDMI
output
Flat (raster) pattern : 50%
4.3
REQUIRED ADJUSTMENTS BY REPLACING COMPONENTS
The following adjustment procedure is required after replacing PWB ASS'Ys, LAMP BALLAST UNIT and OPTICAL BLOCK.
Items noted as "Check" means check the condition, then adjust if required.
4.3.1 Component required adjustment at replacing
4.3.2 List of required instruments and tools
Operating system
Windows 2000 XP
Memory
More than 16 Mbytes
Hard disk free space More than 5 Mbytes
RS-232C interface
At least 1 port
Display resolution
Minimum : 800
×
600 pixels
Recommended : 1024
×
768 pixels or better
Display colors
Minimum : 8 bits/pixel
Recommended : 16 bits/pixel or better
Input devices
Keyboard and mouse
Adjustment items
PROCESSOR
LAMP
POWER
LAMP BALLAST OPTICAL BLOCK
1. LAMP TIME BACKUP
Required
2. COLOR TEMPERATURE
Check
Check
Check
Check
Required
3. PIXEL SHIFT
Check
Check
Check
Required
4. DESTINATION WRITING
Required
Adjustment items
Light Meter
Color Meter
PC
Screen
Signal generator
1. LAMP TIME BACKUP
Required
2. COLOR TEMPERATURE
Required
Required
Required
3. PIXEL SHIFT
Required
4. DESTINATION WRITING
Required
