Advertisement
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f → Gain adj. completed
*(wb 00 20(Start), wb 00 2f(end)) → Off-set adj.
wb 00 ff → End white balance auto-adj.
▪ Adj. Map
Command
Adj. item
(lower caseASCII)
CMD1
R Gain
j
G Gain
j
B Gain
j
Cool
R Cut
G Cut
B Cut
R Gain
j
G Gain
j
B Gain
j
Medium
R Cut
G Cut
B Cut
R Gain
j
G Gain
j
Warm
B Gain
j
R Cut
G Cut
4.2.5. 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 to USB)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sign), 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.
(2) Manual adjustment. 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 10 cm 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 right key(►) 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) Adjustment is performed in COOL, MEDIUM, WARM 3
modes of color temperature.
▪ If internal pattern is not available, use RF input. In EZ
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.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Data Range
Default
(Hex.)
(Decimal)
CMD2
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
▪ Adjustment 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 10 cm
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.
4.2.6. Reference (White balance Adj. coordinate and
color temperature)
▪ Luminance : 216 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Coordinate
Mode
x
Cool
0.269
Medium
0.285
Warm
0.313
▪ Standard color coordinate and temperature using CA-210(CH 18)
Mode
x
Cool
0.269 ± 0.002
Medium
0.285 ± 0.002
Warm
0.313 ± 0.002
4.2.7. ALELF & EDGE LED White balance table
- EDGE LED module change color coordinate because of
aging time.
- Apply under the color coordinate table, for compensated
aging time.
- 72LM950V-ZA
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
- 19 -
Temp
y
0.273
13000 K
0.293
9300 K
0.329
6500 K
Coordinate
Temp
y
0.273 ± 0.002
13000 K 0.0000
0.293 ± 0.002
9300 K 0.0000
0.329 ± 0.002
6500K
Cool
Medium
y
x
y
273
285
293
287
296
307
285
295
305
284
293
304
283
292
303
280
290
300
277
288
297
275
287
295
274
286
294
273
285
293
LGE Internal Use Only
∆uv
0.0000
0.0000
0.0000
∆uv
0.0000
Warm
x
y
313
329
320
337
319
335
317
334
316
333
314
330
312
327
311
325
310
324
309
323
Advertisement
