50PC5D-ZB, 50PC5D1-ZD (CHASSIS:PD73A) - LG TV Service Manual (repair manual). Page 9

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10. Adjustment of RGB
10-1. Requirement
V
This AV color balance adjustment should be performed
before white Balance Adjustment.
10-2. Required Equipment
1) Remote controller for adjustment.
2) MSPG-925FS Pattern Generator (Which has Video Signal:
7 Color Bar Pattern shown in Fig. 5).
- Model: 215 / Pattern: 65  
10-3. Method of Auto RGB Color Balance
1) Input the PC 1024x768 @ 60Hz 7 color bar (MSPG-925FS,
Model:3, Pattern: 65) into RGB. (using D-sub to D-sub
cable)
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press IN-STAR key on R/C for adjustment.
4) Press the 
G
(Vol. +) key operate to set, then it becomes
automatically.
5) Auto-RGB OK means completed adjustment.
11. Adjustment of White Balance
11-1. Requirement
V
Before adjusting White-balance , the AV ADC should be
done.
11-2. 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. 
11-3.  Connection Picture of the Measuring
Instrument(On Automatic control)
V  
Inside PATTERN is used when W/B is controlled. Connect
to auto controller or push control R/C IN-START -> Enter
the mode of White-Balance, the pattern will come out.
W
Auto adjustment Map(RS-232C)
12. Adjustment of White Balance
(Manual white Balance)
V  
One of R Gain/ G Gain/ B Gain should be kept on 80, and
others are controlled lowering from 80
(1) ‘power on’ of the control R/C, set heat run to white by
pressing and heat run over 15 minutes. (Set: RS-232 Host:
PC, Baud Rate: 115200bps, Download: Cortez) 
(2) Zero Calibrate CA-100+, and stick the sensor to the center
of PDP module surface when you adjust.
(3) Double click In-start key on Controlling R/C and get in
‘white balance’.
(4) Set test-pattern on and display inside pattern. Control is
carried out on three color temperature, COOL, MEDIUM,
WARM. (Control is carried out three times.)
(5) When the R/G/B GAIN is 80 on OSD, it is the FULL
DYNAMIC Range of the Module. In order to control white
balance without the saturation of FULL DYNAMIC Range
and DATA, one of R Gain / G Gain / B Gain should be kept
on 80, and other two is controlled lowering from 80.
* Color Temperature: Cool, Medium, Warm
(1) When R GAIN is set to 80
- Control G GAIN and B GAIN by lowering from 80. 
(2) When B GAIN is set to 80
- Control R GAIN and G GAIN by lowering from 80.
(3) When G GAIN is set to 80
- Control R GAIN and B GAIN by lowering from 80.
One of R Gain / G Gain / B Gain should be kept on 80, and
adjust other two lower than 80.
(When R/G/B GAIN are all 80, it is the FULL DYNAMIC
Range of Module) 
(Fig. 6) Auto AV(CVBS) Color Balance Test Pattern
Full White Pattern
RS-232C Communication
CA-210
Color
ANALYZER
TYPE : CA-210
(Fig. 5) Color bar Test Pattern
Type
Baud Rate
115200
Index
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Data bit
8
Cmd1 Cmd2
j
a
j
b
j
c
j
d
j
e
j
f
Stop bit
1
Parity
NONE
PD61A/C
Protocol
Setting
Data
Min Value
00(00)
00(00)
00(00)
00(00)
00(00)
00(00)
Max Value
128(80)
128(80)
128(80)
128(80)
128(80)
128(80)
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