KLV-21SR2 (serv.man2) - Sony TV Service Manual (repair manual). Page 12

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KLV-21SR2 (UC)      2-2
8. Check that the detection value of “PW_INPUT_CB” is within
the standard of the following column.
9. Input red full field with burst.
10. Send “READ_PW_INPUT_CR” command from ECS.
11. Check that the detection value of “PW_INPUT_CR” is within
the standard of the following column.
2-2. White Balance Adjustment
2-2-1. White Balance of color temperature
“cool”
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 1-4 until it is high and low light adjustment value.
7. Do “Color Save”
2-1-4. Y signal AD calibration of COMPONENT
input.
1. Check “CP_CTRL” = 0
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 3 input .
4. Send “READ_PW_INPUT_Y” command from ECS.
5. Check thgat the detection value of “PW_INPUT_Y” is within
the standard of the following column.
6. Input 100 IRE white full field with burst.
7. Send “ADJUST_Y_LEVEL_D1” command from ECS.
The Y_LEVEL_CCP2_04 registration of the D1 range is ad-
justed automatic by this command.
Adjustment value also is copied in the D2, D3 and D4  range.
8. Check that the detection value of “PW_INPUT_Y” is within
the standard of the following column.
2-1-5. C signal AD calibration of COMPONENT
input.
1. Check “CP_CTRL” = 0
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 3 input .
4. Send “READ_PW_INPUT_CB” command from ECS.
5. Check thgat the detection value of “PW_INPUT_CB” is
within the standard of the following column.
6. Input blue full field with burst.
7. Send “ADJUST_C_LEVEL_D1” command from ECS.
The C_LEVEL_CCP2_05 registration of the D1 range is ad-
justed automatic by this command.
The value that increased and redused offset data is copied in
the D2, D3 and D4  range.
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Video(composit) input detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_CB
128 
±
 5
<Video 3 input standard  value on blue full field>
Item
Standard
PW_INPUT_CR
230 
±
 3
<Video 3 input detection value average on 100 IRE white
full field>
Item
Standard
PW_INPUT_Y
195 
±
 2
<Video 3 input detection value average on 0 IRE black
full field>
Item
Standard
PW_INPUT_Y
11 
±
 3
<Video 3 input standard  value on blue full field>
Item
Standard
PW_INPUT_CB
230 
±
 2
<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
U_BACKLIGHT=10 (Max)
Default Save
ECO_MODE=1 (Standard)
Color Save
R_DRIVE=125
G_DRIVE=128
B_DRIVE=140
R_BKG=132
G_BKG=128
B_BKG=131
<high light adjustment value (9000K)>
KLV-21SR2
range
x
0.279
0.7JND
y
0.286
0.7JND
Y
N/A
<back ground adjustment value >
KLV-21SR2
range
x
0.275
0.9JND
y
0.272
0.9JND
Y
N/A
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