WHITE BALANCE ADJUSTMENT
Note:
1. Be sure to perform the White Balance Adjustment
after the power has been on for more than 10 minutes so
that color temperature is stable.
2. This adjustment should be done in a darkroom.
Purpose:
To set the standard white level for each color temperature.
Symptom of Misadjustment:
The white color of picture will become bluish or reddish.
SET UP :
(SD signal)
1. Connect the Viedo Pattern Generator (480i signal) to the
Component Input Terminal.
2. Set to Component mode by pressing TV/VIDEO key on the
remote.
3. Supply Gray Scale Pattern Signal (480i signal).
4. Enter the Service Adjust Mode by pressing VOL DOWN
button and RECALL key (3 times).
5. Select WB-ADJ 1/8 screen (R-CUT) by pressing 1 key or
2 key.
6. Set the following setting in WB-ADJ 1/8 screen (R-CUT),
WB-ADJ 3/8 screen (B-CUT), WB-ADJ 4/8 screen (R-DRV)
and WB-ADJ 6/8 screen (B-DRV).
- WB-ADJ: VIVID
- FORMAT: SD
- COLOR TEMP: NORMAL
TP
Video Pattern Generator (480i
/720p),
or PC with video graphics card,
Test Pattern Signal
Refer to Description below
SPECIFICATION
EQUIPMENT
ADJ.
INPUT
(PC Input Terminal)
Gray Scale Pattern Signal
(16 scales)
(COMPONENT Terminal)
Gray Scale Pattern Signal
(10 or 16 scales)
and
R-CUT
B-CUT
R-DRV
B-DRV
1. Adjust R-CUT and B-CUT by pressing VOL+ or VOL - key
so that the area around (A) becomes pure gray with no red
or blue tint.
2. Adjust R-DRV and B-DRV by pressing VOL+ or VOL - key
so that the area around (B) becomes pure gray with no red
or blue tint.
3. Set COLOR TEMP to COOL by pressing 7 key.
4. Copy the NORMAL values which were adjusted in steps
1, 2.
5. Set COLOR TEMP to WARM by pressing 7 key.
6. Copy the NORMAL values which were adjusted in steps
1, 2.
Gray Scale Pattern Signal (10 scales)
(B)
(A)
White
10th gray scale
Black
1st gray scale
<WB-ADJ 1/8>
(R-CUT)
(B-CUT)
(R-DRV)
(B-DRV)
<WB-ADJ 3/8>
<WB-ADJ 4/8>
<WB-ADJ 6/8>
W B - A D J
R - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
N O R M A L
W B - A D j
B - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
N O R M A L
W B - A D j
R - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
N O R M A L
W B - A D j
B - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
N O R M A L
VIVID
SD
NORMAL
VIVID
SD
NORMAL
VIVID
SD
NORMAL
VIVID
SD
NORMAL
Note:
Before adjusting, memorize the default values of R-CUT,
B-CUT, R-DRV and B-DRV in Service Adjust Mode.
<WB-ADJ 1/8>
(R-CUT)
(B-CUT)
(R-DRV)
(B-DRV)
<WB-ADJ 3/8>
<WB-ADJ 4/8>
<WB-ADJ 6/8>
W B - A D J
R - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
C O O L
W B - A D j
B - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
C O O L
W B - A D j
R - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
C O O L
W B - A D j
B - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
C O O L
VIVID
Copy the NORMAL value
Copy the NORMAL value
Copy the NORMAL value
Copy the NORMAL value
SD
COOL
VIVID
SD
COOL
VIVID
SD
COOL
VIVID
SD
COOL
<WB-ADJ 1/8>
(R-CUT)
(B-CUT)
(R-DRV)
(B-DRV)
<WB-ADJ 3/8>
<WB-ADJ 4/8>
<WB-ADJ 6/8>
W B - A D J
R - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
W A R M
W B - A D j
B - C U T
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
8 0
8 0
S D
N O R M A L
W A R M
W B - A D j
R - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
W A R M
W B - A D j
B - D R V
B E F O R E
F O R M A T
A S P E C T
C O L O R T E M P
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
7 : C O L O R T E M P S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
F F
F F
S D
N O R M A L
W A R M
VIVID
Copy the NORMAL value
Copy the NORMAL value
Copy the NORMAL value
Copy the NORMAL value
SD
WARM
VIVID
SD
WARM
VIVID
SD
WARM
VIVID
SD
WARM
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
50