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White Balance Adjustment - Sony KE-P37M1 Service Manual

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2-3. WHITE BALANCE ADJUSTMENT

This adjustment shall be used ECS.
2-3-1. White balance of Color temperature "Cool"
1.
Select Video input (AV3).
2. Set following items.
Item
PICTURE_MODE
COLOR
DYNE_PICT
DC_TRAN
COLOR_TONE
Note:
DON'T DO ANY SAVE.
3.
Input 100 IRE gray full field signal in Video input.
4.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
<High light adjustment value (for Cool)>
KE-P42M1
x
0.2721
y
0.2737
Y
5.
Input 20 IRE gray full field signal in Video input.
6.
Adjust R_BKG, B_BKG until Low light adjustment value.
G_BKG = 128 (fixed)
<Low light adjustment value (for Cool)>
KE-P42M1
x
0.2694
y
0.2741
Y
7.
Repeat step 3~6 until it is High and Low light adjustment
value.
8.
Do "Color Save".
2-3-2. White balance of Color temperature
"Normal"
1.
Set following items.
Item
PICTURE_MODE
COLOR
DYNE_PICT
DC_TRAN
COLOR_TONE
Note:
DON'T DO ANY SAVE.
2.
Input 100 IRE gray full field signal in Video input.
3.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
<High light adjustment value (for Normal)>
KE-P42M1
x
0.2770
y
0.2803
Y
Data
0 (Live)
25
0 (Off)
0 (Off)
0 (Cool)
Range
13285K
-2.8MPCD
N/A
Range
12041K
-1.5MPCD
N/A
Data
0 (Live)
25
0 (Off)
0 (Off)
1 (Normal)
Range
11860K
-2.4MPCD
N/A
4.
Input 20 IRE gray full field signal in Video input.
5.
Adjust R_BKG, B_BKG until Low light adjustment value.
G_BKG = 128 (fixed)
<Low light adjustment value (for Normal)>
KE-P42M1
x
0.2767
y
0.2818
Y
6.
Repeat step 2~5 until it is in High and Low light adjusutment
value.
7.
Do "Color Save".
2-3-3. White balance of Color temperature
"Warm"
1.
Set following items.
Item
PICTURE_MODE
COLOR
DYNE_PICT
DC_TRAN
COLOR_TONE
Note:
DON'T DO ANY SAVE.
2.
Input 100 IRE gray full field signal in Video input.
3.
Adjust R_DRIVE, B_DRIVE until High light adjustment
value.
<High light adjustment value (for Warm)>
KE-P42M1
x
0.2861
y
0.2950
Y
4.
Input 20 IRE gray full field signal in Video input.
5.
Adjust R_BKG, B_BKG until Low light adjustment value.
G_BKG = 128 (fixed)
<Low light adjustment value (for Cool)>
KE-P42M1
x
0.2869
y
0.2917
Y
6.
Repeat step 2~5 until it is in High and Low light adjusutment
value.
7.
Do "Color Save".
KE-P37M1/P42M1 (AEP)
Range
10244K
-0.6MPCD
N/A
Data
0 (Live)
25
0 (Off)
0 (Off)
2 (Warm)
Range
9000K
0MPCD
N/A
Range
9000K
0MPCD
N/A
2-3E

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