Read Sony KLV-21SG2 Service Manual online
KLV-21SG2 (AEP) 2-3E
2-2-3. White Balance Adjustment of color
temperature “cool”
1. Set the COLOR_INDEX to 3 (Cool).
2. Set the R_DRIVE, G_DRIVE, B_DRIVE, R_BKG, G_BKG,
and B_BKG to the following calculated value.
3. Perform the Color Save.
4. After the adjustment, reset unsaved items (not included the
Color Save) to initial value.
2-2. White Balance Adjustment
2-2-1. White Balance of color temperature
“warm”
1. After setting PICTURE_MODE=2(Pro) set data as follows.
2. Input 70 IRE gray full field signal in video input. (AV1)
3. Adjust R_DRIVE, B_DRIVE until high light adjustment
value.
4. Input 20 IRE gray full field signal in video 1 input .
5. Adjust R_BKG, B_BKG until low light adjustment value.
6. Repeat step 2-5 until it is high and low light adjustment value.
7. Do “Color Save”
2-2-2. White Balance Adjustment of color
temperature “normal”
1. Set the COLOR_INDEX to 2 (Normal).
2. Set the R_DRIVE, G_DRIVE, B_DRIVE, R_BKG, G_BKG,
and B_BKG to the following calculated value.
3. Perform the Color Save.
<Confirmation of setting data>
Save system
Item
Picture Save
PICTURE =100 (Max)
BRIGHTNESS=50 (Center)
COLOR_INDEX=1 (“High”)
DYNA_PICT=0
DC_TRAN=0
GAMMA=0
U_BACKLIGHT=10 (Max)
Default Save
ECO_MODE=1 (Standard)
Color Save
R_DRIVE=122
G_DRIVE=128
B_DRIVE=140
R_BKG=126
G_BKG=128
B_BKG=116
<high light adjustment value>
KLV-21SG2
range
x
0.265
0.4JND
y
0.269
0.4JND
Y
–
N/A
<back ground adjustment value >
KLV-21SG2
range
x
0.267
0.9JND
y
0.274
0.9JND
Y
–
N/A
Setting of Color Temperature “Cool”
Item
Formula 21
R_DRIVE Adjusted value of Color Temperature “Warm”
× 1.081
G_DRIVE Adjusted value of Color Temperature “Warm”
× 1.000
B_DRIVE Adjusted value of Color Temperature “Warm”
× 0.851
R_BKG
Adjusted value of Color Temperature “Warm”
× 0.949
G_BKG
Adjusted value of Color Temperature “Warm”
× 1.000
B_BKG
Adjusted value of Color Temperature “Warm”
× 1.013
Setting of Color Temperature “Normal”
Item
Formula 21
R_DRIVE Adjusted value of Color Temperature “Warm”
× 1.011
G_DRIVE Adjusted value of Color Temperature “Warm”
× 1.000
B_DRIVE Adjusted value of Color Temperature “Warm”
× 0.941
R_BKG
Adjusted value of Color Temperature “Warm”
× 1.013
G_BKG
Adjusted value of Color Temperature “Warm”
× 1.000
B_BKG
Adjusted value of Color Temperature “Warm”
× 0.923
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