LG 42LX6500 Service Manual page 13

4.3.5. Adj. method
(1) 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 adjustment.
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
A
finish as end command "wb 00 ff", and Adj. offset if need.
(2) 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 -> 7. White-
Balance then press the cursor to the right (KEY
(When KEY( ) is pressed 216 Gray internal pattern will
G
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
A
Adj. menu 7.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.
Adj. condition and cautionary items
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1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer (CA-210) probe should be within
10cm and perpendicular of the module surface (80°~
100°)
3) Aging time
- After Aging Start, Keep the Power ON status during
5 Minutes.
- In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.3.6. Reference (White Balance Adj. coordinate
and temperature)
Luminance : 216 Gray
A
Standard color coordinate and temperature using CS-1000
A
(over 26 inch)
Mode Color Coordination
x y
COOL 0.269 0.273
MEDIUM 0.285 0.293
WARM 0.313 0.329
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MEDIUM
4.3.7. IOP & Edge LED White balance table
G ).
Temp ∆UV
13000 K 0.0000
9300 K 0.0000
6500 K 0.0000
- 13 -
Standard color coordinate and temperature using CA-
A
210(CH 9)
Mode Color Coordination
x
COOL 0.269 ± 0.002 0.273 ± 0.002 13000 K
0.285 ± 0.002 0.293 ± 0.002
WARM 0.313 ± 0.002 0.329 ± 0.002
IOP & Edge LED module change color coordinate because
A
of aging time.
apply under the color coordinate table, for compensated
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aging time.
- EDGE LED(LX65)
GP2 Aging Time Cool
(Min.) X Y
269 273
1 0-2 280 291
2 3-5 278 288
3 6-9 276 285
4 10-15 274 282
5 20-35 273 279
6 36-49 270 276
7 50-79 269 273
8 Over 80 269 273
Temp ∆UV
y
0.0000
9300 K 0.0000
6500 K 0.0000
Medium Warm
X Y X Y
285 293 313 329
296 311 319 340
294 308 317 338
292 305 315 335
290 302 313 332
289 299 312 329
287 296 310 326
286 293 308 323
285 293 308 323
LGE Internal Use Only