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3.4 Function Check
- Check display and sound
■ Check Input and Signal items.
1) TV
2) AV (SCART / CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz) (* RGB input : LD21B
only support)
5) HDMI
6) PC Audio In (* except LD21A chassis model)
* Display and Sound check is executed by Remote control.
<Caution>
Not to push the INSTOP key after completion if the function
inspection.
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)
▪ If it is executed W/B adjustment in 2~3 minutes H/run, it is
adjusted by Target data
Mode
Temp
Coordinate spec
X=0.269 (±0.002)
Cool
13,000k
Y=0.273 (±0.002)
X=0.285 (±0.002)
Medium
9,300k
Y=0.293 (±0.002)
X=0.313 (±0.002)
Warm
6,500k
Y=0.329 (±0.002)
▪ Edge LED W/B Table in process of time (LGD module & 65"
AUO module)
Cool
Aging
GP4
time
X
y
(Min)
269
273
1
0-2
280
287
2
3-5
279
285
3
6-9
277
284
4
10-19
276
283
5
20-35
274
280
6
36-49
272
277
7
50-79
271
275
8
80-119
270
274
9
Over 120
269
273
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Target
X=0.271
<Test Signal>
Y=0.276
Inner pattern
X=0.287
(204gray,
Y=0.296
80IRE)
X=0.315
Y=0.332
Medium
Warm
x
y
x
y
285
293
313
329
296
307
320
337
295
305
319
335
293
304
317
334
292
303
316
333
290
300
314
330
288
297
312
327
287
295
311
325
286
294
310
324
285
293
309
323
* 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 'POWER ONLY' or the others, check
the back light on.
▪ Auto adjustment Map(using RS-232C to USB cable)
RS-232C COMMAND
[CMD
ID
DATA]
Wb
00
00
Wb
00
ff
RS-232C COMMAND
[CMD ID DATA]
Cool
Mid
R Gain
jg
Ja
G Gain
jh
Jb
B Gain
ji
Jc
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.(When R/G/B Gain are all
C0, it is the FULL Dynamic Range of Module)
- 13 -
CA-210
COLOR
ANALYZER
TYPE : CA-210
White Balance Start
White Balance End
CENTER
(DEFAULT)
MIN
Warm
Cool
Mid
Warm
jd
00
172
192
192
je
00
172
192
192
jf
00
192
192
172
64
64
64
64
64
64
64
64
64
LGE Internal Use Only
MAX
192
192
192
128
128
128
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