LG 47LH90 Service Manual page 12

(6) Adjustment Map
ITEM Command
Cmd 1
Cool R-Gain j
G-Gain j
B-Gain j
R-Cut
G-Cut
B-Cut
Medium R-Gain j
G-Gain j
B-Gain j
R-Cut
G-Cut
B-Cut
Warm R-Gain j
G-Gain j
B-Gain j
R-Cut
G-Cut
(5) Adj. method
• Auto adj. method
1) Set TV in adj. mode using POWER ON key
2) Zero calibrate probe then place it on the center of the
Display
3) Connect Cable(RS-232C)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sing), check adj. status pre
mode (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj.
* W/B Adj. must begin as start command "wb 00 00", and
finish as end command "wb 00 ff", and Adj. offset if
need
• Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place
it on the center of LCD module within 10cm of the
surface..
3) Press ADJ key -> EZ adjust using adj. R/C > 6. White-
Balance then press the cursor to the right (KEY
G
(When KEY( ) is pressed 216 Gray internal pattern
will be displayed)
4) One of R Gain / G Gain / B Gain should be fixed at
192, and the rest will be lowered to meet the desired
value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
- If internal pattern is not available, use RF input. In EZ
Adj. menu 6.White Balance, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By
selecting OFF, you can adjust using RF signal in 216
Gray pattern.
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
Data Range
(Hex.) (Decimal)
Cmd 2 Min Max
g 00 C0
h 00 C0
i 00 C0
a 00 C0
b 00 C0
c 00 C0
d 00 C0
e 00 C0
f 00 C0
* Adj. condition and cautionary items
1) Lighting condition in surrounding area
Default
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
2) Probe location
- LCD: Color Analyzer (CA-210) probe should be
3) Aging time
- After Aging Start, Keep the Power ON status during 5
- In case of LCD, Back-light on should be checked
(6) Reference (White Balance Adj. coordinate and color
temperature)
• Luminance: 216 Gray
• 42/47/55LH90-UB
• standard color coordinate and temperature using CS-
1000
Mode
COOL
MEDIUM
WARM
5.4 Option selection per country
(1) Overview
- Option selection is only done for models in Non-USA
North America due to rating
- Applied model: LA92C Chassis applied None USA
model(CANADA, MEXICO)
(2) Method
1) Press ADJ key on the Adj. R/C, then select Country
Group Menu
2) Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX. Selection is
done using +, - KEY
5.5 EYE-Q function check
Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using
G
).
Step 4) Confirm that R/G/B value is lower than 10 of the
Step 5) Remove your hand from the Eye Q II sensor and
Step 6) Confirm that "ok" pop up.
- 12 -
within 10cm and perpendicular of the module
surface (80°~ 100°)
Minutes.
using no signal or Full-white pattern.
Color Coordination
x y
0.276 0.283
0.285 0.293
0.313 0.329
your hand and wait for 6 seconds
"Raw Data (Sensor data, Back lignt )" . If after 6
seconds, R/G/B value is not lower than 10, replace
Eye Q II sensor
wait for 6 seconds
If change is not seen, replace Eye Q II sensor
∆UV
Temp
11000K 0.0000
9300K 0.0000
6500K 0.0000
LGE Internal Use Only