White Balance - LG 42PC1R Service Manual

8-5. Sequence of Adjustment
1) Init the data.
2) Load the EDID data.( Open File : Analog ,Digital)
3) Push the "Write Data & Verify" button. And confirm "Yes".
4) If the writing is finished, you will see the "OK' message.
5) It is important that PP62A/C has two HDMI so digital DDC
downloading must be performed two times.(HDMI 1 , HDMI 2)
9. Adjustment of White Balance
9-1. Required Equipment
1) Remote controller for adjustment.
2) Color Analyzer (CA-100 or same product).
3) Auto W/B adjustment instrument.(only for Auto adjustment)
4) AV Pattern Generator.
9-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
216 Level (85 IRE)
RS-232C Serial Communication
(Fig. 9) Connection Diagram of Auto W/B Adjustment
9-3. 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. 7, Supply 216Level (85 IRE) full screen pattern
to Video input.
COLOR ANALYZER
TYPE ; CA-100
CVBS
signal
input
Pattern Generator
M STG- 5 2 0 0
/ M SPG- 925
If Assy has Scart jack ,Use AV3
Else use AV1.
3) Enter the White Balance adjustment mode by pressing the
INSTART key twice(White Balance) on R/C.
4) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
on R/C.
5) Adjust Only High Light with R Gain / B Gain using
(VOL+/-) key on R/C.
6) 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, Green Gain : 80,
Red Offset : 80, Green Offset : 80,
Desired result
V
Brightness :
Color-Coordinate : High Light :
Color Temperature : 9,300°K ± 500°K
(Fig. 10) Pattern for Adjustment of White Balance
7) When adjustment is completed, Exit adjustment mode using
EXIT key on R/C.
10. Input the Shipping Option Data
1) Push the IN-START key in a Adjust Remocon.
2) Input the Option Number that was specified in the BOM, into
the Shipping area.
3) The work is finished, Push
11. Default value in adjustment mode
11-1. Auto Color Balance (Component/RGB)
(Fig. 11) Default Value on OSD

11-2. White Balance

(Fig. 12) Default Value on OSD
D E
/
Blue Gain : 86
Blue Offset : 8C)
High Light : 80 ± 20cd/m2
X : 0.283 ± 0.002
Y : 0.298 ± 0.002
Key.
V
(89)
(CH +/-) key
F G
/