LG 20LS7D(C)-UB - Manual (Page 13)

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7. Adjustment of White Balance
7-1. Required Equipment
(1) Color analyzer (CA-100 or CA210 similar product)
(2) Automatic adjustor (with automatic adjustment necessity
and the RS-232C communication being possible)
7-2. Connection Diagram of Equipment
for Measuring
(Automatic Adjustment)
* RS-232C Command (Automatic Adjustment)
7-3. Adjustment of White Balance(manual)
(1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service
Remote Control.
(2) Select "9. TEST PATTERN" using CH +/- Key and HEAT
RUN at least 30 minutes by pressing the ENTER Key.
(3) Calibrate of the CA100+, then attach sensor to LCD
module surface when you adjust.
(4) After attaching sensor to center of screen, select ‘6. White-
Balance’ of ‘Ez - Adjust’ by pressing the ADJ KEY on the
Service R/C. Then enter adjustment mode by pressing the
Right KEY (
G ).
(5) Set test-pattern on and display inside pattern. Control is
carried out on there color temperature, COOL, MEDIUM,
WARM.
* Fix all color temperature to 64.
* Color Temperature: Cool, Medium, Warm
1. When R GAIN is set to 192
- Control G GAIN and B GAIN by lowering from 192.
2. When B GAIN is set to 192
- Control R GAIN and G GAIN by lowering from 192.
3. When G GAIN is set to 192
- Control R GAIN and B GAIN by lowering from 192.
One of R Gain / G Gain / B Gain should be kept on 192, and
adjust other two lower than 192.
(When R/G/B GAIN are all 192, it is the FULL DYNAMIC
Range of Module)
Full White Pattern
COLOR
ANALYZER
TYPE; CA-210+
Connection Diagram of Automatic Adjustment
R Gain
G Gain
B Gain
R Cut
G Cut
B Cut
Jg
Jh
Ji
Cool
Ja
Jb
Jc
Mid
RS-232C COMMAND
[CMD ID DATA]
CENTER
(DEFAULT)(Decimal)
Jd
Je
Jf
00
00
00
192
192
192
Warm
Min
Max
(Deci
mal)
64
64
64
Cool
64
64
64
Mid
64
64
64
Warm