Edid Data; Auto Download - LG 22LD320H Service Manual

* Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (Illumination is less than 10 lux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10 cm distance, keep it with the surface of the
Module and Color Analyzer's prove vertically.(80° ~ 100°).
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
- Using 'no signal' or 'full white pattern' or the others,
check the back light on.
• Auto adjustment Map(RS-232C)
RS-232C COMMAND
[CMD ID DATA]
Wb 00 00
Wb 00 ff
RS-232C COMMAND MIN
[CMD ID DATA]
Cool Mid Warm
R Gain jg Ja jd
G Gain jh Jb je
B Gain ji Jc
R Cut
G Cut
B Cut
** Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
* Manual W/B process using adjusts Remote control.
• After enter Service Mode by pushing "ADJ" key,
• Enter White Balance by pushing "
Balance".
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
* After done all adjustments, press "In-start" key and compare
Tool option and Area option value with its BOM, if it is
correctly same then unplug the AC cable. If it is not same,
then correct it same with BOM and unplug AC cable.
For correct it to the model's module from factory Jig model.
* Push the "IN STOP" key after completing the function
inspection. And Mechanical Power Switch must be set
"ON".
Copyright ©2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
White Balance Start
White Balance End
CENTER
(DEFAULT)
Cool Mid Warm
00 172 192
00 172 192
jf 00 192 192
64 64
64 64
64 64
" key at "6. White
G
White Balance
Color Temp.
Cool
R-Gain
172
G-Gain
172
B-Gain
192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern.
ON
Reset To set
4.3. DPM operation confirmation
(Only for MNT Model)
Check if Power LED Color and Power Consumption operate
as standard.
• Set Input to RGB and connect D-sub cable to set.
• Measurement condition : 100 - 240 V, 50 / 60 Hz
• Confirm DPM operation at the state of screen without Signal.
4.4. DDC EDID Write (RGB 128Byte )
• Connect D-sub Signal Cable to D-sub Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For Service main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.5. DDC EDID Write (HDMI 256Byte)
MAX
• 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 Service main Assembly, EDID have to be downloaded to
192 192
Insert Process in advance.
192 192

4.6. EDID DATA

172 192
1) All Data : HEXA Value
64 128
2) Changeable Data :
64 128
*: Serial No : Controlled / Data:01
64 128 **: Month : Controlled / Data:00
***: Year : Controlled
****: Check sum

- Auto Download

• After enter Service Mode by pushing "ADJ" key,
• Enter EDID D/L mode.
• Enter "START" by pushing "OK" key.
[Caution]
Never connect HDMI & D-sub Cable when EDID downloaded.
* Edid data and Model option download (RS232)
Item
Download
'Mode In'
Download
- 12 -
EZ ADJUT
0. Tool Option1
HDMI1
1. Tool Option2
HDMI2
2. Tool Option3 HDMI3
RGB
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
HDMI1
10. V-Com
HDMI2
11. P-Gamma
HDMI3
RGB
CMD1 CMD2 Data0
A A 0 0 When transfer the 'Mode In',
Carry the command.
A E 00 10 Automatically Download
(The use of a internal pattern)
EDID D/L
NG
NG
NG
NG
Reset
Start
EDID D/L
OK
OK
OK
OK
Reset
Start
LGE Internal Use Only