LG 32LS3400-DA - DDC EDID Write (RGB); DDC EDID Write (HDMI); EDID Data Management

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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
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 SVC main Ass’y, 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 SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
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
- Auto Download
■ After enter Service Mode by pushing “ADJ” key,
■ Enter EDID D/L mode.
■ Enter “START” by pushing “OK” key.
HDMI number is dependent on model.
※ Edid data and Model option download (RS232C)
NO Item CMD 1 CMD 2 Data 0
Enter
download
MODE
Download
‘Mode In’
A E 0 0
When transfer
the ‘Mode In’,
Carry the com-
mand
Edid data
and Model
option
download
Download A E *Note1 *Note2
Automatically
download
(The use of a
internal Data)
Adjust
‘Mode Out’
A E 9 0
.
Adjustment
Conrma-
tion
A E 9 9
To check
Download
on Assembly
line.
- Manual Download
※ Caution
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
=> Caution : - Never connect HDMI & D-sub Cable at the same
time.
- Use the proper cables below for EDID Writing.
- Download HDMI1, HDMI2 separately because HDMI1 is
different from HDMI2.
For Analog EDID For HDMI EDID
D-sub to D-sub DVI-D to HDMI or HDMI to HDMI
No. Item Condition Hex Data
1 Manufacturer ID GSM 1E6D
2 Version Digital : 1 01
3 Revision Digital : 3 03