JVC DT-V2000SU Service Manual page 70

DT-V2000SU
NTSC 4:3 COMPOSITE VIDEO SIGNAL WHITE BALANCE HIGH LIGHT (COLOR TEMP
= HIGH
9300K)
Test equipment Signal generator (10 step gray scale pattern)
•
Test points
Adjustment locations WC01 (R DRIVE), WC03 (B DRIVE)
1.Set the color temp. to HIGH in the MENU.
2. Input the NTSC 10 step gray scale pattern signal to the input B terminal.
3.Adjust the WC01 and WC03 to set the color temperature become given bellow (Not to adjust the WC02).
COLOR TEMP. HIGH(9300K)
x=0.283, y=0.297 (reference value)
4.Confirm that obtain the color tracking between low temperature and high one on the gray scale pattern signal. If illeagal, readjust same
steps as above (at that time, not to change the value of WC05).
NTSC 4:3 COMPOSITE VIDEO SIGNAL WHITE BALANCE HIGH LIGHT (COLOR TEMP
=
LOW
6500K)
Test equipment Signal generator (10 step gray scale pattern)
Test points
•
Adjustment locations WD01 (R DRIVE), WD03 (B DRIVE)
1. Set the color temp. to LOW in the MENU.
2. Input the 10 step gray scale pattern signal to the input C terminal.
3. Adjust the WD01 and WD03 to set the color temperature become given bellow (Not to adjust the WD02).
COLOR TEMP. HIGH(6500K) x=0.313, y=0.329 (reference value)
4. Confirm that obtain the color tracking between low temperature and high one on the gray scale pattern signal. If illeagal, readjust same
steps as above (at that time, not to change the value of WOOS).
480i 16:9 OVER SCAN WHITE BALANCE : HIGH LIGHT (COLOR TEMP
=
HIGH 9300K)
•
Test equipment Signal generator (10 step gray scale pattern)
Test points
Adjustment locations
WI01 (R DRIVE),
WI03 (B DRIVE)
1. Set the color temp. to HIGH, ASPECT to 16:9, and set the scan size to OVER in the MENU.
2. Set the BRIGHT and CONTRAST VR on the front panel to the click position.
3. Input the NTSC 10 step gray scale pattern signal to the input A terminal.
4. Adjust the WI01 and WI03 to set the color temperature become given bellow (Not to adjust the WC02).
COLOR TEMP. HIGH(9300K) x=0.283, y=0.297 (reference value)
•
5. Confirm that obtain the color tracking between low temperature and high one on the gray scale pattern signal. If illeagal, readjust same
steps as above (at that time, not to change the value of WI05).
480i 16:9 OVER SCAN WHITE BALANCE : HIGH LIGHT (COLOR TEMP
=
LOW 6500K)
Test equipment Signal generator (10 step gray scale pattern)
Test points
Adjustment locations WJ01 (R DRIVE), WJ03 (B DRIVE)
1. Set the color temp. to LOW, ASPECT to 16:9, and set the scan size to OVER in the MENU.
2. Set the BRIGHT and CONTRAST VR on the front panel to the click position.
3. Input the 10 step gray scale pattern signal to the input A terminal.
4. Adjust the WJ01 and WJ03 to set the color temperature become given bellow (Not to adjust the WJ02).
COLOR TEMP. HIGH(6500K) x=0.313, y=0.329 (reference value)
5. Confirm that obtain the color tracking between low temperature and high one on the gray scale pattern signal. If illeagal, readjust same
steps as above (at that time, not to change the value of W J05).
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54 No. 515198