Y Level/Color Adjustment Of Hdmi Input; Y Level/Color Adjustment Of Video Input; Y Level/Color Adjustment Of Rf Input; White Balance Adjustment - Sony KLV-23M1 Service Manual

8. Add the following offsets to the values of step 7 and copy the
obtained values to the EEPROMs for D1, D2, and D4
respectively.
Item
Y_LEVEL OFFSET
C_LEVEL OFFSET
2-3-3. Y Level/COLOR adjustment of
HDMI input
1. Copy the Y Level/COLOR adjustment values of component
input to the EEPROMs for HDMI D1, D2, D3, D4, and VGA
respectively.
Copy the D2 adjustment values for VGA.
2-3-4. Y Level/COLOR adjustment of
Video input (by using a jig)
1. Set PICTURE_MODE = 2 (Pro), and then change the
register setting to the following values.
Copy the D2 adjustment values for VGA.
Format
Picture Save PICTURE
BRIGHTNESS
Color
Hue
USER_CTRL
2. Set THUNDER_ENABLE = 0 (Bolt is set to through mode) .
3. Input the Video 1 (composite) all-white signal (100 IRE) .
4. Adjust CCP's Y_LEVEL to set the value of BOLT's G OUT
as follows.
Item
Video_g
5. Input the Video 1 (composite) color-bar signal (75 IRE) .
6. Adjust CCP's C_LEVEL to set the value of BOLT's B OUT
as follows.
Item
Video_b
VB1 VB2
7. Write the adjustment values in the VIDEO EEPROM.
8. Add the following offsets to the values of step 7, and then
copy the obtained values to the Svideo EEPROM.
Item
Y_LEVEL OFFSET
C_LEVEL OFFSET
D1 D2 D4
±0 ±0 ±0
-6 -5 ±0
Item Data
100 (max)
50 (center)
25 (center)
25 (center)
0 (all off)
Standard
3328/4080 ±16
Standard
VB1=VB4 ±16
VB3 VB4
S-VIDEO
±0
±0

2-3-5. Y Level/COLOR adjustment of RF input

1. Set PICTURE_MODE = 2 (Pro) and change the register
setting to the following values.
Format
Picture Save PICTURE
BRIGHTNESS
Color
Hue
USER_CTRL
2. Set THUNDER_ENABLE = 0 (Bolt is set to through mode) .
3. Input the RF all-white signal (RF modulated 75% color bar) .
4. Adjust CCP's Y_LEVEL to set the value of BOLT's G OUT
as follows.
Item
Video_g
5. Input the RF color-bar signal (RF modulated 100 IRE
signal) .
6. Adjust CCP's C_LEVEL to set the value of BOLT's B OUT
as follows.
Item
Video_b
VB1 VB2
7. Write the adjustment values in the RF EEPROM.

2-4. WHITE BALANCE ADJUSTMENT

This adjustment shall be used ECS
2-4-1. White balance adjustment of color
temperature "Cool"
1. Set PICTURE_MODE = 2 (Pro) and change the register
setting to the following values.
Item
PICTURE
BRIGHTNESS
Color
Hue
COLOR_INDEX
USER_CTRL
SCALER_MODE
2. Input the 1080i 80% all-gray signal from the Video 4 input.
Item Data
100 (max)
50 (center)
25 (center)
25 (center)
0 (all off)
Standard
3328/4080 ±16
Standard
VB1=VB4 ±16
VB3 VB4
Data
100 (max)
50 (center)
25 (center)
25 (center)
1 (high)
0 (all off)
3 (full)
KLV-23M1 (UC) 2-2