Adjustment Method - LG 60UF77 Series Service Manual
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Also See for 60UF77 Series:
- Owner's manual (324 pages) ,
- Safety and reference (292 pages) ,
- Service manual (117 pages)
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5.5.5. Adjustment method
5.5.5.1. Auto WB calibration
(1) Set TV in adj. mode using POWER ONNY 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 to USB 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
5.5.5.2. Manual adj. 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 10cm 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 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) Adj. is performed in COOL, MEDIUM, WARM 3 modes of
color temperature.
** R-fix adjustment
Adjust modes (Cool), Fix the R gain to 210 (default data) and
change the others (G/B Gain ).
- Adjust the R gain more than 210 ( If G gain or B gain is less
than 0 , R gain can adjust more than 210 ) and
change the others ( G/B Gain ).
Adjust two modes (Medium / Warm), Fix the one of R/G/B gain
to 192 (default data) and decrease the others.
▪ 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.
▪ 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
- PDP : Color Analyzer (CA-100, CA-100+, CA210) probe
should be firmly attached to the Module
- LCD : Color Analyzer (CA-210) probe should be within 10cm
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.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.5.6. Reference (White Balance Adj. coordinate and
color temperature)
▪ Luminance: 206 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Coordinate
Mode
X
Cool
0.271
Medium
0.283
Warm
0.313
▪ Standard color coordinate and temperature using CA-210
(CH 14)
Coordinate
Mode
X
Cool
0.271±0.002
Medium
0.286±0.002
Warm
0.313±0.002
5.5.7. EDGE & IOL LED White balance table
▪ Edge & ALEF LED module change color coordinate because
of aging time
▪ apply under the color coordinate table, for compensated
aging time
(Normal line) Edge & ALEF LED White balance table
- gumi(Mar~Dec) & Global
Model : (normal line)LGD
Aging time
webOS
(Min)
1
0-2
2
3-5
3
6-9
4
10-19
5
20-35
6
36-49
7
50-79
8
80-119
9
Over 120
- 22 -
Temp
Y
0.270
13,000K
0.289
9,300K
0.329
6,500K
Temp
Y
0.270±0.002
13000K
0.289±0.002
9300K
0.329±0.002
6500K
Cool
Medium
X
Y
X
Y
271
270
285
293
313
281
287
295
310
320
280
285
294
308
319
278
284
292
307
317
276
281
290
304
315
275
277
289
300
314
274
274
288
297
313
273
272
287
295
312
272
271
286
294
311
271
270
285
293
310
LGE Internal Use Only
△uv
0.0000
0.0000
0.0000
△uv
0.0000
0.0000
0.0000
Warm
X
Y
329
342
340
339
336
332
329
327
326
325
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