Edid Data; Auto Download - LG 47LT640H Service Manual

▪ Auto adjustment Map(using RS-232C to USB cable)
RS-232C COMMAND
[CMD ID DATA]
Wb 00 00
Wb 00 ff
RS-232C COMMAND
[CMD ID DATA]
Cool Mid Warm
R Gain jg Ja jd
G Gain jh Jb je
B Gain ji Jc jf
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 adjust Remote control.
▪ After enter Service Mode by pushing "ADJ" key,
▪ Enter White Balance by pushing " ► " key at "8. White
Balance".
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
7. ADC Calibration
8. White Balance
9. 10 Point WB
10. Test Pattern
11. EDID D/L
12. Sub B/C
13. Touch Sensitivity Setting
* After you finished 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".
4.2. 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.
4.3 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 Service main Assembly, EDID have to be downloaded to
Insert Process in advance.
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
White Balance Start
White Balance End
CENTER
(DEFAULT)
MIN
Cool Mid Warm
00 172 192 192
00 172 192 192
00 192 192 172
64 64 64
64 64 64
64 64 64
White Balance
Cool
Color Temp.
R-Gain 172
G-Gain 172
B-Gain
192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern
ON
Backlight
►
100
Reset
To Set

4.4. EDID data

(1) All Data : HEXA Value
(2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
MAX

4.4.1. Auto Download

192
■ After enter Service Mode by pushing "ADJ" key,
192
■Enter EDID D/L mode.
192
■Enter "START" by pushing "OK" key.
* Caution : Never connect HDMI & D-sub Cable when EDID
128
downloaded.
128
128
* EDID data and Model option download (RS232)
NO Item
Enter download Download
MODE 'Mode In'
EDID data and
Model option Download
download
4.4.2. Manual Download
<Caution>
(1) Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
(2) Never connect HDMI & D-sub Cable at the same time.
(3) Use the proper cables below for EDID Writing.
(4) Download HDMI1, HDMI2 separately because HDMI1 is
different from HDMI2.
For Analog
D-sub to D-sub
No.
1 Manufacturer ID
2
3
- 12 -
CMD 1 CMD 2 Data 0
When transfer the 'Mode
A A 0 0
In', Carry the command.
Automatically download
A E 00 10 (The use of a internal
data)
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
Item Condition
GSM
Version Digital : 1
Revision Digital : 3
LGE Internal Use Only
Hex Data
1E6D
01
03