Edid Data; Auto Download; Color Temperature - LG 22LV2500 Service Manual

4.5.2 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 EZ adjust using adj.
Balance then press the cursor to the right (KEY). (When K-
EY() 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.

▪ If internal pattern is not available, use RF input. In EZ
Adj. menu 7.White Balance, you can select one of 2
Testpattern: 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.
4.6 Reference (White Balance Adj. coordinate
and color temperature)
▪ Luminance: 216 Gray
[ Color Temperature ]
▪ LGD Edge LED Models
Aging time Cool(13000k)
GP3
(Min) X(±0.002) y(±0.002)
269 273
0-2
1 279 288
2 278 286
3-5
3 277 285
6-9
4 10-19 276 283
20-35
5 274 280
36-49
6 272 277
50-79
7 271 275
80-149
8 270 274
Over 150
9 269 273
▪ O/S Edge LED Models
Coordinate
Mode
x
0.276(±0.002 0.283(±0.002
Cool
)
Medium 0.285(±0.002) 0.293(±0.002)
Warm 0.313(±0.002) 0.329(±0.002)
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Medium(9500k) Warm(6500k)
x(±0.002) y(±0.002) x(±0.002)
285 293 313
295 308 319
294 306 318
293 305 317
292 303 316
290 300 314
288 297 312
287 295 311
286 294 310
285 293 309
Temp
△uv
y
11000K 0.0000
)
9300K 0.0000
6500K 0.0000
4.6.1 DDC EDID Write (RGB 128Byte )
■ Connect D-sub Signal Cable to D-Sub Jack.
■ Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
7. White-
■ Check whether written EDID data is correct or not.
* For SVC main Ass'y, EDID have to be downloaded to
Insert Process in advance.
4.6.2 DDC EDID Write (HDMI 256Byte)
■ Connect HDMI Signal Cable to HDMI Jack.
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC main Ass'y, EDID have to be downloaded to
Insert Process in advance.

4.6. 3EDID DATA

1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00

4.6.4 Auto Download

1) After ener Service Mode by pushing "ADJ" key.
2) Enter EDID D/L menu.
3) Enter "START" by pushing "OK" key.
y(±0.002)
329
338
336
<Caution> Nerver connect HDMI && D-sub cable when EDID
335
333
330
327
325
* Edid data and Model option download (RS232)
324
323
NO
Enter
download Mode 'Mode In'
EDID data and
Model option
download
- 12 -
EZ ADJUT
0. Tool Option1
HDMI1
1. Tool Option2
HDMI2
2. Tool Option3 HDMI3
3. Tool Option4 RGB
4. Country Group
5. ADC Calibration
Start
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
HDMI1
10. V-Com
HDMI2
11. P-Gamma
HDMI3
RGB
Start
downloaded
Item CMD1 CMD2 Data0
Download A A
Download A E
EDID D/L
NG
NG
NG
NG
Reset
EDID D/L
OK
OK
OK
OK
Reset
0 0 When transfer the 'Mode In',
Carry the command.
00 10 Automatically Download
(The use of a internal pattern)
LGE Internal Use Only