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6. White Balance
White balance
MSPG925FA
216 Level (85IRE)
Full screen pattern
=> Caution : - System control RS-232 Host should be "PC" for
adjustment.
- AV ADC(ZH: AV3, TH : AV1, MH: VIDEO1)
should be done before White-balance.
* Test Equipment
Color Analyzer (CA-110)
PC(For communication through RS-232C)=>UART
Baud rate : 115200
Pattern Generator (MSPG-925FA etc.)
*Target Value [ PSM: Standard(ZH/TH), CSM: Normal]
- Normal(9300K±1000K) x:283±0.015, y: 298±0.015
-Luminance(Y) AV/COMP: 250 Cd/m2 (Typ: 300 Cd/m2)
PC
=> Reference Value(Automatically fixed)
- Cool(11000K±1000K)
- Warm(7200K±1000K)
6.1 Manual white Balance (AV)
1) Execute CA-110 Zero Calibration.
2) Execute the SET Heat Run for 30minutes
3) As below Fig. 4, Supply 216Level (85IRE) full screen
pattern to Video input.
37LC2R-ZH,42LC2R-ZH : AV3/AV4 (Input 50Hz),
32LB1R-TH : AV1/AV2 (Input 50Hz)
4) Press the FRONT-AV KEY on R/C for converting input
mode.
5) Set the PSM to Standard mode in Picture menu.
6) Enter the White Balance adjustment mode by pressing the
INSTART key twice(White Balance) on R/C.
7) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
on R/C.
8)Adjust Only High Light with R Gain/B Gain using
+/-) key on R/C.
9) Adjust it until color coordination becomes as below.
(Initially, R/G/B gain and R/G/B offset values are fixed as
below)
Red Gain : 82
Red offset : 80
10) Adjust High light with R/B Gain.
216 Level(85IRE)
ZH(AV3), TH(AV1)
MH(VIDEO1)
Model : 202
Model : 201
• Pal Video
• NTSC Video
: 300 Cd/m2 (Typ: 350 Cd/m2)
/ (CH+/-) key
Green Gain : 80
Blue Gain : 86
Green offset : 80 Blue offset : 8C
(Fig.4)
6.2 Auto white Balance (AV)
1) LPL Module
Input Select
R-Gain
G-Gain
B-Gain
R-Offset
G-Offset
B-Offset
2) AUO Module
Input Select
R-Gain
G-Gain
B-Gain
R-Offset
G-Offset
B-Offset
/
(VOL
- 13 -
Command1 Command2 Set ID
XB
B
00
J
A
00
J
B
00
J
C
00
J
D
00
J
E
00
J
F
00
Command1 Command2 Set ID
XB
B
00
J
A
00
J
B
00
J
C
00
J
D
00
J
E
00
J
F
00
Data
Min
Max
00h
90h
00h
E0h
00h
E0h
00h
E0h
00h
90h
00h
90h
00h
90h
Data
Min
Max
00h
90h
00h
E0h
00h
E0h
00h
E0h
00h
90h
00h
90h
00h
90h
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