55LW980G, 55LW980S, 55LW980T, 55LW980W (CHASSIS:LD12D) - LG TV Service Manual (repair manual). Page 14

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4.3.5. Adjustment method
(1) Auto adjustment 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)
4) Select mode in adj. Program and begin adjustment.
5) When adjustment is complete (OK Sign), check adj.
status pre mode.(Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adjustment.
A
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 Adjustment 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 Adjustment remote
control -> 7. White-Balance then press the cursor to the
right(
G
) key.
(When key(
G
) 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) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
A
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.
A
Adj. 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.
4.3.6. Reference(White Balance Adj. coordinate and
temperature)
A
Luminance : 216 Gray
A
Standard color coordinate and temperature using CS-1000
(over 26 inch)
A
Standard color coordinate and temperature using CA-210
(CH 14)
4.3.7. ALELF & Edge LED White balance table
A
Edge LED module change color coordinate because of
aging time.
A
Apply under the color coordinate table, for compensated
aging time.
[ALELF]
4.4. Wireless function check
Step 1) Connect set and Dongle of Wireless to Cable of HDMI
& TTA 20Pin.
Step 2) At OSD of SET, check the message like Fig.3.
Step 3) Detach Cable of Wireless Dongle
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269
0.273
13000 K
0.0000
MEDIUM
0.285
0.293
9300 K
0.0000
WARM
0.313
0.329
6500 K
0.0000
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269 ± 0.002
0.273 ± 0.002 13000 K
0.0000
MEDIUM
0.285 ± 0.002
0.293 ± 0.002
9300 K
0.0000
WARM
0.313 ± 0.002
0.329 ± 0.002
6500 K
0.0000
GP3
Aging Time
Cool
Medium
Warm
(Min.)
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
285
297
301
317
321
340
2
3-5
284
296
300
316
320
339
3
6-9
283
294
299
314
319
337
4
10-19
282
292
298
312
318
335
5
20-35
279
287
295
307
315
330
6
36-49
275
281
291
301
311
324
7
50-79
273
278
289
298
309
321
8
80-149
271
275
287
295
307
318
9
Over 150
269
273
286
293
305
316
Fig . 1 
< Do ng le>
 
Fig . 3  Connect the Dongle
( Do ng le Co nnec t io n Disp lay)
 
Fig . 2 
< Wireless Read y Set >
 
Connect
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