LG 60LM6450 Service Manual page 11

4. Total Assembly line process
4.1. Adjustment Preparation
▪ W/B Equipment condition
CA210
: CCFL/EEFL -> CH9, Test signal: Inner pattern(80IRE)
LED -> CH14, Test signal: Inner pattern(80IRE)
▪ Above 5 minutes H/run in the inner pattern. ("power on" key
of Adjustment remote control)(Only EEFL)
X=0.269 (±0.002)
Cool 13,000 K
Y=0.273 (±0.002)
X=0.285 (±0.002)
Medium 9,300 K
Y=0.293 (±0.002)
X=0.313 (±0.002)
Warm 6,500 K
Y=0.329 (±0.002)
* White Balance table.
▪ Edge LED module change color coordinate because of
aging time
▪ Apply under the color coordinate table, for compensated
aging time
Cool
Aging
GP4 time X
(Min)
269
1 0-2 280
2 3-5 279
3 6-9 277
4 10-19 276
5 20-35 274
6 36-49 272
7 50-79 271
8 80-119 270
9 Over 120 269
* Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out.
Full White Pattern
RS-232C Communication
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
<Test Signal>
Inner pattern
(204gray, 80IRE)
Medium Warm
y x y x
273 285 293 313
287 296 307 320
285 295 305 319
284 293 304 317
283 292 303 316
280 290 300 314
277 288 297 312
275 287 295 311
274 286 294 310
273 285 293 309
CA-210
COLOR
ANALYZER
TYPE : CA-210
* Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (Illumination is less than 10 lux).
(2) Adhere closely the Color analyzer(CA210) to the module
less than 10 cm distance, keep it with the surface of the
Module and Color analyzer's prove vertically.(80° ~ 100°).
(3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
- Using 'no signal' or 'POWER ONLY' or the others, check
the back light on.
▪ Auto adjustment Map(RS-232C)
RS-232C COMMAND
[CMD ID
Wb 00
Wb 00
RS-232C COMMAND
[CMD ID DATA]
Cool Mid
R Gain jg Ja
G Gain jh Jb
B Gain ji Jc
y
R Cut
329
G Cut
337
B Cut
335
334
<Caution>
333 Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
330
adjust other two lower than C0.(When R/G/B Gain are all
327
C0, it is the FULL Dynamic Range of Module)
325
324
* Manual W/B process using adjust Remote control.
323
▪ After enter Service Mode by pushing "ADJ" key,
▪ Enter White Balance by pushing " ► " key at "9. White
Balance".
* After you finished all adjustments, Press "In-start" key and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model's module from factory Jig model.
* Push the "IN STOP" key after completing the function
inspection. And Mechanical Power Switch must be set
"ON".
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DATA]
00 White Balance Start
ff White Balance End
CENTER
(DEFAULT)
MIN
Warm Cool Mid
jd 00 172 192
je 00 172 192
jf 00 192 192
64 64
64 64
64 64
LGE Internal Use Only
MAX
Warm
192 192
192 192
172 192
64 128
64 128
64 128