Only For Training And Service Purposes - LG 32LM5800 Service Manual

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