Read LG 55LS675H (CHASSIS:LA2AG) Service Manual online
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6.1.5. Adjustment method
6.1.5.1 Auto adj. method
(1) Set TV in adj. mode using POWER ONLY (P-ONLY) 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 adj.
(5) When adj. is completed (OK Sing), check adj. status of pre
mode (Cool, Medium, Warm)
(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
6.1.5.2. 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 -> 6. White-
Balance then press the cursor to the right (KEY►).
(When KEY(►) is pressed 204 Gray(80IRE) 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.
▪ If internal pattern is not available, use RF input. In EZ Adj.
menu 6.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 204 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 : 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.
6.1.6. Reference (White Balance Adj. coordinate and
color temperature)
▪ Luminance: 204 Gray, 80IRE
** LGD Module (over 26inch)
▪ Standard color coordinate and temperature using
CA-210(CH 14)
Mode
Coordinate
Temp
△
uv
Remark
X
Y
Cool
0.269±0.002
0.273±0.002 13,000K 0.0000 55LS675H-UA
Medium 0.285±0.002
0.293±0.002
9,300K
0.0000
Warm
0.313±0.002
0.329±0.002
6,500K
0.0000
▪ Standard color coordinate and temperature using
CA-210(CH 14)
Mode
Coordinate
Temp
△
uv
X
Y
Cool
0.269±0.002
0.273±0.002 13,000K 0.0000
Medium 0.285±0.002
0.293±0.002
9,300K
0.0000
Warm
0.313±0.002
0.329±0.002
6,500K
0.0000
▪ Standard color coordinate and temperature using
CA-210(CH 14) – by aging time
(1) Edge LED models (applied only LGD Module) in LGERS
GP3
Aging time
(Min)
Cool
Medium
Warm
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
279
288
295
308
319
338
2
3-5
278
286
294
306
318
336
3
6-9
277
285
293
305
317
335
4
10-19
276
283
292
303
316
333
5
20-35
274
280
290
300
314
330
6
36-49
272
277
288
297
312
327
7
50-79
271
275
287
295
311
325
8
80-149
270
274
286
294
310
324
9
Over 150
269
273
285
293
309
323
(2) Edge LED models (applied only LGD Module) in LGEKR
(GUMI) (wintertime)
GP3
Aging time
(Min)
Cool
Medium
Warm
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
281
293
297
313
321
343
2
3-5
280
290
296
310
320
340
3
6-9
279
289
295
309
319
339
4
10-19
277
286
293
306
317
333
5
20-35
275
282
291
302
315
332
6
36-49
273
278
289
298
313
328
7
50-79
271
276
287
296
311
326
8
80-149
270
274
286
294
310
324
9
Over 150
269
273
285
293
309
323
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