KE-MV42A1, KE-MV42M1 - Sony TV Service Manual (repair manual). Page 12

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KE-MV42A1/MV42M1 (E)     2-3E
2-3. WHITE BALANCE ADJUSTMENT
This adjustment shall be used ECS.
2-3-1. White balance of Color temperature “Cool”
1.
Select Video input (AV1) and input video PAL 100% white
full field signal.
2.
Set following items.
Item
Data
PICTURE_MODE
Personal
COLOR
20
DYNE_PICT
1 (On)
DC_TRAN
1
COLOR_TONE
Cool
Picture
MAX
Note:
DON’T DO ANY SAVE.
3.
Input 80 IRE gray full field signal in Video input.
4.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
Format
Item
Setting Data
Initial Value
R_DRIVE
126
G_DRIVE
128 (Fix)
B_DRIVE
141
R_BKG
128 (Fix)
G_BKG
128 (Fix)
B_BKG
128 (Fix)
<High light adjustment value (for Cool)>
Set
Range
x
0.2670
13550K
y
0.2670
+0MPCD
Y
N/A
5.
Do “Color Save”.
2-3-2. White balance of Color temperature
“Neutral”
1.
Set following items.
Item
Data
PICTURE_MODE
Personal
COLOR
20
DYNE_PICT
1 (On)
DC_TRAN
1
COLOR_TONE
Neutral
Picture
MAX
Note:
DON’T DO ANY SAVE.
2.
Input 80 IRE gray full field signal in Video input.
3.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
Format
Item
Setting Data
Color Save
R_DRIVE
123
G_DRIVE
128 (Fix)
B_DRIVE
127
R_BKG
128 (Fix)
G_BKG
128 (Fix)
B_BKG
128 (Fix)
<High light adjustment value (for Neutral)>
Set
Range
x
0.2838
9300K
y
0.2981
+8MPCD
Y
N/A
4.
Do “Color Save”.
2-3-3. White balance of Color temperature
“Warm”
1.
Set following items.
Item
Data
PICTURE_MODE
Personal
COLOR
20
DYNE_PICT
1 (On)
DC_TRAN
1
COLOR_TONE
Warm
Picture
MAX
Note:
DON’T DO ANY SAVE.
2.
Input 70 IRE gray full field signal in Video input.
3.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
Format
Item
Setting Data
Color Save
R_DRIVE
126
G_DRIVE
128 (Fix)
B_DRIVE
120
R_BKG
128 (Fix)
G_BKG
128 (Fix)
B_BKG
128 (Fix)
<High light adjustment value (for Warm)>
Set
Range
x
0.2944
8000K
y
0.3100
+8MPCD
Y
N/A
4.
Do “Color Save”.
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