LG 55LW9800 Service Manual page 17

• Adj. 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
4.4.5 Adj. method
4.4.5.1 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 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
4.4.5.2 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 6. White-
Balance then press the cursor to the right (KEY
KEY( G ) 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 Default
(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
G
• Adj. condition and cautionary items
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.
4.4.6 Reference (White Balance Adj. coordinate and color
temperature)
• Luminance: 204 Gray
•Standard color coordinate and temperature using CS-1000
(over 26 inch)
Mode
COOL
MEDIUM
WARM
• Standard color coordinate and temperature using CA-
210(CH 14)
Mode
COOL 0.269±0.002
MEDIUM 0.285±0.002
WARM 0.313+0.002
• Standard color coordinate and temperature using CA-
210(CH-14) – by aging time
1) ALEF LED Models :
47/55LW9500-NA/UA, 47/55LW7700-UA
47/55LW9600-NA, 42/47/55LW7700-NA,
Aging time
GP2G
(Min)
1 0-2
). When
2 3-5
3 6-9
4 10-19
5 20-35
6 36-49
7 50-79
8 Over 80
2) Edge LED Models: 42/47/55LW7500-NB
Aging time
GP2G
(Min)
0-2
1
3-5
2
6-9
3
10-19
4
20-35
5
36-49
6
50-79
7
Over 80
8
- 17 -
Color Coordination Temp
x y
0.269 0.273 13000K
0.285 0.293 9300K
0.313 0.329 6500K
Color Coordination
x y
0.273±0.002 13000K
0.293±0.002
0.329±0.002
Cool Medium
x y x y
269 273 285 293
276 285 292 305
274 282 290 302
273 280 289 300
272 278 288 298
271 276 287 296
286 294
269 274
269 273 286 293
269 273 285 293
Cool Medium
x y x y
269 273 285 293
280 291 296 311
278 288 294 308
276 285 292 305
274 282 290 302
273 279 289 299
270 276 287 296
269 273 286 293
269 273 285 293
LGE Internal Use Only
∆UV
0.0000
0.0000
0.0000
∆UV
Temp
0.0000
9300K 0.0000
6500K 0.0000
Warm
x y
313 329
315 334
313 332
312 330
311 328
310 326
309 324
308 323
308 323
Warm
x y
313 329
319 340
317 338
315 335
313 332
312 329
310 326
308 323
308 323