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PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
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.
TP
ADJ.
R-CUT
B-CUT
R-DRV
B-DRV
EQUIPMENT
Video Pattern Generator (480i
/720p),
or PC with video graphics card,
Test Pattern Signal
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
Before adjusting, memorize the default values of R-CUT,
B-CUT, R-DRV and B-DRV in Service Adjust Mode.
VIVID
W B - A D J
V I V I D
R - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
NORMAL
C O L O R T E M P
N O R M A L
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
<WB-ADJ 1/8>
(R-CUT)
VIVID
W B - A D j
V I V I D
R - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
NORMAL
C O L O R T E M P
N O R M A L
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
<WB-ADJ 4/8>
(R-DRV)
INPUT
(COMPONENT Terminal)
Gray Scale Pattern Signal
(10 or 16 scales)
and
(PC Input Terminal)
Gray Scale Pattern Signal
(16 scales)
SPECIFICATION
Refer to Description below
Note:
VIVID
W B - A D j
V I V I D
B - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
NORMAL
C O L O R T E M P
N O R M A L
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
<WB-ADJ 3/8>
(B-CUT)
VIVID
W B - A D j
V I V I D
B - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
NORMAL
C O L O R T E M P
N O R M A L
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
<WB-ADJ 6/8>
(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.
Gray Scale Pattern Signal (10 scales)
(B)
White
10th gray scale
3. Set COLOR TEMP to COOL by pressing 7 key.
4. Copy the NORMAL values which were adjusted in steps
1, 2.
Copy the NORMAL value
VIVID
W B - A D J
V I V I D
R - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
COOL
C O L O R T E M P
C O O L
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
<WB-ADJ 1/8>
(R-CUT)
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
R - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
COOL
C O L O R T E M P
C O O L
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
<WB-ADJ 4/8>
(R-DRV)
5. Set COLOR TEMP to WARM by pressing 7 key.
6. Copy the NORMAL values which were adjusted in steps
1, 2.
Copy the NORMAL value
VIVID
W B - A D J
V I V I D
R - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
WARM
C O L O R T E M P
W A R M
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
<WB-ADJ 1/8>
(R-CUT)
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
R - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
WARM
C O L O R T E M P
W A R M
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
<WB-ADJ 4/8>
(R-DRV)
50
(A)
Black
1st gray scale
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
B - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
COOL
C O L O R T E M P
C O O L
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
<WB-ADJ 3/8>
(B-CUT)
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
B - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
COOL
C O L O R T E M P
C O O L
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
<WB-ADJ 6/8>
(B-DRV)
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
B - C U T
8 0
B E F O R E
8 0
SD
F O R M A T
S D
A S P E C T
N O R M A L
WARM
C O L O R T E M P
W A R M
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
<WB-ADJ 3/8>
(B-CUT)
Copy the NORMAL value
VIVID
W B - A D j
V I V I D
B - D R V
F F
B E F O R E
F F
SD
F O R M A T
S D
A S P E C T
N O R M A L
WARM
C O L O R T E M P
W A R M
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
<WB-ADJ 6/8>
(B-DRV)
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