72LM9500-DA (CHASSIS:LT23J) - LG TV Service Manual (repair manual). Page 14

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5.2.2. Adjustment of White Balance (for Manual adjustment)
▪  Color  analyzer(CA100+,  CA210)  should  be  used  in  the 
calibrated ch by CS-1000
▪  Operate the zero-calibration of the CA100+ or CA-210, then 
stick sensor to the module when adjusting.
▪  For  manual  adjustment,  it  is  also  possible  by  the  following 
sequence.
1)   Select white pattern of heat-run by pressing “POWER ON” 
key on remote control for adjustment then operate heat run 
longer than 15 minutes. 
    (If  not  executed  this  step,  the  condition  for  W/B  may  be 
different.)
2) Push “Exit” key.
3)  Change to the AV mode by remote control.
4)  Input external pattern (80% white pattern)
5)  Push the ADJ key => Enter “0000” (Password)
6)  Select “3. W/B ADJUST”
7)  Enter the W/B ADJUST Mode
8)   Stick the sensor to the center of the screen and select each 
items (Red/Green/Blue Gain and Offset) using ▲/▼(CH +/-) 
key on R/C..
9)  Adjust R/ G/ B Gain using ◄/►(VOL +/-) key on R/C.
10)  Adjust  three  modes  all  (Cool  /  Medium  /  Warm)  :  Fix  the 
one of R/G/B gain and change the others
11) When adjustment is completed,  Enter “COPY ALL” 
12) Exit adjustment mode using EXIT key on R/C.
 CASE
First adjust the coordinate far away from the target value(x, y).
(1) x, y >target
    i) Decrease the R, G. 
(2) x, y < target
    i) First decrease the B gain, 
    ii) Decrease the one of the others.
(3)  x >target ,  y< target
    i) First decrease B, so make y a little more than the target.
    ii) Adjust x value by decreasing the R
(4)  x < target ,  y >target
    i) First decrease B, so make x a little more than the target.
    ii) Adjust x value by decreasing the G
●  Standard color coordinate and temperature when using the 
CA100+ or CA210 equipment
Change reason :  When  vivid  mode,  more  detail  than  other 
company set.
●  In case of Edge LED module, the color coordinates is changing 
by aging, so you have to use the below table.
The Time Table of color coordinates by SET Aging Time
(1) Edge LED Models(47LM8600-DA)
GP3
Aging 
time
(Min)
Cool
Medium
Warm
x
y
x
y
x
y
269
273
285
293
313
329
1
0 ~ 2
293
305
309
323
330
348
2
3 ~ 5
292
303
308
321
330
347
3
6 ~ 9
291
302
307
320
329
346
4
10 ~19
288
298
304
316
326
342
5
20 ~ 35
286
295
302
313
324
339
6
36 ~ 49
285
293
301
311
322
337
7
50 ~ 79
283
291
299
309
321
335
8
80 ~ 149
282
289
298
308
320
334
9
Over 150
281
287
298
306
319
332
 
(2) ALEF (47LM9600-DA)
GP3
Aging 
time
(Min)
Cool
Medium
Warm
x
y
x
y
x
y
269
273
285
293
313
329
1
0 ~ 2
283
293
299
313
320
339
2
3 ~ 5
282
291
298
311
319
337
3
6 ~ 9
281
290
297
310
318
336
4
10 ~19
279
289
295
309
316
335
5
20 ~ 35
277
284
293
304
314
330
6
36 ~ 49
274
279
290
299
311
325
7
50 ~ 79
271
277
287
297
308
323
8
80 ~ 119
270
274
286
294
307
320
9
Over 120
269
273
285
293
306
319
(3) ALEF (55LM9600-DA)
GP3
Aging 
time
(Min)
Cool
Medium
Warm
x
y
x
y
x
y
269
273
285
293
313
329
1
20
282
298
298
318
319
344
2
21 ~ 25
280
296
296
316
317
342
3
26 ~ 30
279
294
295
314
316
340
4
31 ~ 35
277
292
293
312
314
338
5
36 ~ 40
276
290
292
310
313
336
6
41 ~ 50
275
288
291
308
312
334
7
51 ~ 80
272
284
288
304
309
330
8
81 ~ 119
271
282
287
302
308
328
9
Over 120
270
281
286
301
307
327
Color coordinate 
Mode  
X
 
Temp
 △uv
Cool 
0.269±0.002
 
0.273±0.002  13000K 
0.0000  
Medium  0.285±0.002
 
0.293±0.002  9,300 K  0.000 
Warm 
0.313±0.002
 
0.329±0.002  6,500K  0.003 
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