W-Y-C-G-M-R-Blue-Black - LG 42PX4DV Service Manual

8-3. Adjustment of White Balance
(For Manual adjustment)
O Operate the zero-calibration of the CA-100, then stick
sensor to PDP module surface when you adjust.
O For manual adjustment, it is also possible by the following
sequence.
1) Select white pattern of heat-run mode by pressing power on
key on remote control for adjustment then operate heat run
more than 15 minutes.
2) As below Fig.9, Supply 216Level (85 IRE) full screen
pattern to Video input.
(Input 50Hz, 42PXDV/42PX4DVA : AV4/AV5 Input)
3) Press the TV/AV KEY on R/C for converting input mode.
4) Set the PSM to Standard mode in Picture menu.
5) Enter the White Balance adjustment mode by pressing the
INSTART key twice(White Balance) on R/C.
6) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
on R/C.
7) Adjust Only High Light with R Gain/ B Gain using
(VOL+/-) key on R/C.
8) Adjust it until color coordination becomes as below.
(Initially, R/G/B gain and R/G/B offset values are fixed
Red Gain : 82, Green Gain : 80, Blue Gain : 86
Red Offset : 7D, Green Offset : 7E, Blue Offset : 80)
[DF-054A/C]-VGA 42"
Bright : High Light : 80 ± 20cd/m2
Color-Coordinate :
Color Temperature : 9,300°K ± 500°K
9) When adjustment is completed, Exit adjustment mode using
EXIT key on R/C
216 Level (85 IRE)
(Fig. 9) Pattern for Adjjustment of White Balance
9. Auto Component Color Balance
9-1. Requirement
- It is very import to use correct adjustment pattern like fig.9
Within the pattern, color sequence should be aligned
V

: W-Y-C-G-M-R-BLUE-BLACK

(If color sequence is reversed(Black -> ... > White), reverse
the pattern with REV key, when using Master pattern
generator like MSPG-925)
If Minimum Black Level and/or Maximum White Level is not
V
correct, select 100% Color Bar Pattern.
D E
/ (CH +/-) key
High Light : X : 0.287 ± 0.003
Y : 0.291 ± 0.003
(Fig. 10) Auto Component Color Balance Test Pattern
9-2. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator
(Which has 720p Ypbpr output with Standard(0.7Vpp)
Vertical 100% Color Bar Pattern as Fig.10)
9-3. Method of Auto Component Co lor Balance
1) Input the Component 720p 100% Color Bar signal into
F G
/
Component1 or Component2.
2) Set the PSM to Standard mode in Picture menu.
3) Press INSTART key on R/C for adjustment.
4) Press the
automatically.
5) Auto-RGB OK means complete adjustment
10. Auto RGB Color Balance
10-1. Requirement
- It is very import to use correct adjustment pattern like fig.9
Within the pattern, color sequence should be aligned
V
: W-Y-C-G-M-R-BLUE-BLACK
(If color sequence is reversed(Black -> ... > White), reverse
the pattern with REV key, when using Master pattern
generator like MSPG-925)
If Minimum Black Level and/or Maximum White Level is not
V
correct, Do select 100% Color Bar Pattern.
10-2. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator, Master(MSPG-925FA), etc.
(Which has XGA 60Hz PC Format output with standard
(0.7Vpp) 100% Color Bar Pattern as Fig.11)
10-3. Method of Auto RGB Color Balance
1) Input the PC 1024x768 60Hz 100%Color bar into RGB.
2) Set the PSM to Standard mode in Picture menu.
3) Press ADJ key on R/C for adjustment.
4) Press the
automatically.
5) Auto-RGB OK means completed adjustment.
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G (Vol. +) key operate to set, then it becomes
G (Vol. +) key operate To set, then it becomes