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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.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
※ Edid data and Model option download (RS232C)
NO
Item
CMD 1
Enter
Download
download
A
'Mode In'
MODE
Edid data
and Model
Download
A
option
download
Adjust
A
'Mode Out'
.
Adjustment
Confirma-
A
tion
- 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
D-sub to D-sub
No.
Item
1
Manufacturer ID
2
Version
3
Revision
- 15 -
CMD 2
Data 0
When transfer
the 'Mode In',
E
0
0
Carry the com-
mand
Automatically
download
E
*Note1
*Note2
(The use of a
internal Data)
E
9
0
To check
Download
E
9
9
on Assembly
line.
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
Condition
Hex Data
GSM
1E6D
Digital : 1
01
Digital : 3
03
LGE Internal Use Only
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