Read Sony KLV-26HG2 Service Manual online
KLV-26HG2 (UC) 2-3E
2-2. White Balance Adjustment
2-2-1. White Balance of color temperature
“high”
1. After setting PICTURE_MODE=2(Pro) set data as follows.
2. Input 70 IRE gray full field signal in video 1 input .
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 “middle”
1. Set the COLOR_INDEX to 2 (Middle).
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 (9000K)>
KLV-26HG2
range
x
0.265
0.4JND
y
0.269
0.4JND
Y
–
N/A
<back ground adjustment value >
KLV-26HG2
range
x
0.267
0.9JND
y
0.274
0.9JND
Y
–
N/A
Setting of Color Temperature “Low”
Item
Formula 26
R_DRIVE Adjusted value of Color Temperature “High”
× 1.087
G_DRIVE Adjusted value of Color Temperature “High”
× 1.000
B_DRIVE Adjusted value of Color Temperature “High”
× 0.857
R_BKG
Adjusted value of Color Temperature “High”
× 0.981
G_BKG
Adjusted value of Color Temperature “High”
× 1.000
B_BKG
Adjusted value of Color Temperature “High”
× 1.016
Setting of Color Temperature “Middle”
Item
Formula 26
R_DRIVE Adjusted value of Color Temperature “High”
× 1.009
G_DRIVE Adjusted value of Color Temperature “High”
× 1.000
B_DRIVE Adjusted value of Color Temperature “High”
× 0.931
R_BKG
Adjusted value of Color Temperature “High”
× 1.012
G_BKG
Adjusted value of Color Temperature “High”
× 1.000
B_BKG
Adjusted value of Color Temperature “High”
× 1.005
2-2-3. White Balance Adjustment of color
temperature “low”
1. Set the COLOR_INDEX to 3 (Low).
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.
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