Adjustment Preparation - LG 42LW5400 Service Manual

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)
Cool 13,000 K X=0.269(±0.002)
Y=0.273(±0.002)
Medium 9,300 K X=0.285(±0.002)
Y=0.293(±0.002)
Warm 6,500 K X=0.313(±0.002)
Y=0.329(±0.002)
· Edge LED W/B Table is process of aging time (Only LGD
Edge LED Module except AUO, CMI, IPS Module)
Aging Time Cool
GP2R (Min.) X
269
1 0-2 279
2 3-5 278
3 6-9 277
4 10-19 276
5 20-35 274
6 36-49 272
7 50-79 271
8 80-149 270
9 Over 150 269
* 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
* 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 'full white pattern' or the others,
check the back light on.
Copyright © 2011 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
288 295 308 319
286 294 306 318
285 293 305 317
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 adjustment Map(RS-232C)
RS-232C COMMAND
[CMD ID DATA]
Wb 00
Wb 00
RS-232C COMMAND MIN
[CMD ID DATA]
Cool
R Gain jg
G Gain jh
B Gain ji
R Cut
G Cut
B Cut
<Caution>
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
Y
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
329
of Module)
338
* Manual W/B process using adjusts Remote control.
336
• After enter Service Mode by pushing "ADJ" key,
335
• Enter White Balance by pushing "
333
Balance".
330
EZ ADJUST
327
0. Tool Option1
325
1. Tool Option2
2. Tool Option3
324
3. Tool Option4
4. Country Group
323
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
* 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".
- 11 -
00 White Balance Start
ff White Balance End
CENTER
(DEFAULT)
Mid Warm Cool
Ja jd 00 172
Jb je 00 172
Jc jf 00 192
64
64
64
G
White Balance
Color Temp.
R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern.
Reset
LGE Internal Use Only
MAX
Mid Warm
192 192 192
192 192 192
192 172 192
64 64 128
64 64 128
64 64 128
" key at "6. White
Cool
172
172
192
64
64
64
ON
To set