Adjustment Of White Balance; Connecting Diagram Of Equipment For Measuring (For Auto Adjustment) - LG 42PC1RR-ZL Service Manual

6) HDMI/DVI EDID data(check sum : 1F0C)
7) HDMI/DVI EDID data(check sum : 1F0C)

11. Adjustment of White Balance

11-1. 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.
216 Level (85 IRE)
RS-232C Serial Communication
(Fig. 16) Connection Diagram of Auto W/B Adjustment
COLOR ANALYZER
TYPE ; CA-100
CVBS
signal
input
Pattern Generator
M STG- 5 2 0 0
/ M SPG- 925
11-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
W
Auto adjustment Map(RS-232C)
Type
Baud Rate
115200
Index Cmd1 Cmd2
R Gain
G Gain
Protocol
B Gain
Setting
R Offset
G Offset
B Offset
11-3. 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.17, Supply 216Level (85 IRE) full screen
pattern to Video input.
(42PC1RR-ZL : AV3/AV4)
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
IN-START 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
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 as below
Red Gain : 82,
Red Offset : 7F,
Brightness :
Color-Coordinate : High Light :
Color Temperature : 9,300°K ± 500°K
(Fig. 17) Pattern for Adjustment of White Balance
9) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C.
- 17 -
MF-056L
Data bit Stop bit
8 1
Data Min Value
j a
00(00)
j b
00(00)
j c
00(00)
j d
00(00)
j e
00(00)
j f
00(00)
D E
/ (CH +/-) key on R/C.
Green Gain : 80,
Green Offset : 7E, Blue Offset : 82)
High Light : 80 ± 20cd/m2
X : 0.285 ± 0.003
Y : 0.290 ± 0.003
216 Level (85 IRE) 216 Level (85 IRE)
Parity
NONE
Max Value
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
F G
/
Blue Gain : 86