LG Electronics 42LA69**-Z* service manual Adj. method, Alelf & Edge LED White balance table

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 204 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 204 Gray pattern.

▪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 : 204 Gray

▪Standard color coordinate and temperature using CS-1000 (over 26 inch)

Mode	Coordinate		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

▪ 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	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	6500K	0.0000

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. * Normal Line

[LN5xxx, LA6xxx, LA7xxx, LA8xxx]

	Aging	Cool		Medium		Warm
NC4.0	time	X	y	x	y	x	y
	(Min)	271	270	286	289	313	329
1	0-2	283	287	298	306	322	342
2	3-5	282	285	297	304	321	340
3	6-9	281	284	296	303	320	339
4	10-19	279	281	294	300	318	336
5	20-35	277	277	292	296	316	332
6	36-49	275	274	290	293	314	329
7	50-79	273	272	288	291	312	327
8	80-119	272	271	287	290	311	326
9	Over 120	271	270	286	289	310	325
*Aging Chamber
[LN5xxx, LA6xxx, LA7xxx, LA8xxx]
	Aging	Cool		Medium		Warm
NC4.0	time	X	y	x	y	x	y
	(Min)	271	270	286	289	313	329
1	0-5	282	285	297	304	321	340
2	6-10	278	280	293	299	317	335
3	11-20	275	275	290	294	314	330
4	21-30	272	272	287	291	311	327
5	31-40	269	269	284	288	308	324
6	41-50	268	267	283	286	307	322
7	51-80	267	266	282	285	306	321
8	81-119	266	264	281	283	305	319
9	Over 120	265	263	280	282	304	318

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