(No.YA654<Rev.001>)1-15
4.4.6 INITIAL SETTING VALUES IN THE SERVICE MODE
• Perform fine-tuning based on the "initial values" using the remote control unit when in the SERVICE MODE.
• The "initial values" serve only as an indication rough standard and therefore the values with which optimal display can be achieved
may be different from the default values.
• Never change the values of the items ( ) that are not described in ADJUSTMENT PROCEDURE or in the below table as they
are fixed values.
4.5 ADJUSTMENT PROCEDURE
Mode Setting item
Variable
range
Initial setting
value
1. White balance
[Do not adjust]
R Gain -100 - 100 0
G Gain -100 - 100 0
B Gain -100 - 100 0
R Offset -100 - 100 0
G Offset -100 - 100 0
B Offset -100 - 100 0
2. White balance Base R Gain -100 - 100 0
G Gain -100 - 100 0
B Gain -100 - 100 0
R Offset -100 - 100 0
G Offset -100 - 100 0
B Offset -100 - 100 0
3.M16 EEPROM EDIT
[Do not adjust]
---
4.I2C Stop ---
5.Version ---
Item
Measuring
instrument
Adjustment part Description
WHITE BALANCE
(HIGHLIGHT)
Remote control unit
Signal generator
[2.White balance Base]
R Gain (Red Gain)
G Gain (Green Gain)
B Gain (Blue Gain)
R Offset (Red Offset)
G Offset (Green Offset)
B Offset (Blue Offset)
(1) Receive a NTSC 75% all white signal.
(2) Set "VIDEO STATUS" to "Standard".
(3) Set "ASPECT" to "Full".
(4) Select "COLOR TEMP" to "Natural".
(5) Select the 2.White balance base from the SERVICE
MODE.
(6) Set the setting value of <R Offset>(Red Offset), <G
Offset>(Green Offset) and <B Offset>(Blue Offset) to 0.
(7) Adjust to keep one of <R Gain>(Red Gain), <G
Gain>(Green Gain) or <B Gain>(Blue Gain) unchanged,
then lower the other two so that the all-white screen is
equally white throughout.
NOTE:
Set one or more of <R Gain>, < G Gain> and <B Gain>
to "0".
(8) Check that white balance is properly tracked from low light
to high light. If the white balance tracking is deviated,
adjust to correct it.
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