LG 32LC2D Service Manual page 12

6. Adjustment of White Balance
6-1. Required Equipment
(1) Color analyzer (CA-110, CA-210 or similar product)
(2) Automatic adjustor (with automatic adjustment hour
necessity and the RS-232C communication being possible)
(3) Pattern Generator(MSPG-925FA): DVI Output
[ RS-232C Command
RS-232C COMMAND
Cool Med Warm
R Gain Jg Ja Jd
G Gain Jh Jb Je
B Gain Ji Jc Jf
R Cut
G Cut
B Cut
6-2. Adjustment of White Balance
Operate the Zero-calibration of the CA-210, then attach
O
sensor to module surface when you adjust.
Manual adjustment is also possible by the following sequence.
O
(1) Enter 'Ez - Adjust' by pressing ADJ KEY on the Service
Remote Control.
(2) Select "8. WHITE PATTERN" using CH +/- Key and HEAT
RUN at least 30 minutes by pressing the ENTER Key.
(3) Receive the Window pattern signal from Digital Pattern
Generator. (AV Input: connect the 'HDMI')
(4) After attaching sensor to center of screen, select '5. 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) Adjust the Hight Light using R Gain/G Gain(Cool).
Adjust the Hight Light using G Gain/B Gain(Medium).
Adjust the Hight Light using G Gain/B Gain(Warm).
(6) Adjust using Volume +/- KEY.
After adjustment is complete, exit the adjustment mode by
pressing the ADJ KEY.
High Level: 216gray
[Cool]
X; 0.274±0.002 Y; 0.275±0.002
Color temperature: 12000°K±1000°K
[Medium]
X; 0.287±0.002 Y; 0.289±0.002
Color temperature: 9300°K±1000°K
[Warm]
X; 0.315±0.002 Y; 0.316±0.002
Color temperature: 6500°K±1000°K
(Automatic Adjustment)
CENTER(DEFAULT)
Min
Cool Med Warm
00 AE B6 C0
00 BB B2 A5
00 C0 9A 5E
70 64
67 64
64 64
7. Video(uPD)
7-1. Required Equipment
MSPG925FA Pattern Generator-connector with Video Input
7-2. MSG925FA Adjustment
(1) After select the model, input the #201(NTSC-M).
(2) Receive the 100% Color Bar Pattern.(Pattern #33)
(3) Select the Reverse button and select the signal as below
figure.
Max
7-3. Adjustment
(1) After receive signal to Ant input, CVBS output of
ff
MSPG925FA to Video and confirm the signal receiving.
(2) Enter the 'EZ-ADJUST' by pressing the ADJ Key on the
ff
Service R/C.
(3) Select '3. Video(uPD)-Set' and enter the adjustment mode
ff
by pressing the right key(G ).
64 7f
(4) When enter the adjustment mode, displayed the TV 2CH
Screen automatic at picture and appear as below figure.
64 7f
64 7f
(5) When the automatic adjustment is over, 'RF Configuration
Success' is displayed. If the adjustment has errors, 'Video
Configuration Error' is displayed.
(6) After the RF signal automatic adjustment is over, convert
the Video Mode as below figure and adjust with automatic
movement the Video Mode.
When the automatic adjustment is over, 'Video
Configuration Success' is displayed. If the adjustment has
errors, 'Video Configuration Error' is displayed.
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