37LH4000, 37LH4010, 37LH4020 (CHASSIS:LD91G) - LG TV Service Manual (repair manual). Page 12

• After enter Service Mode by pushing “ADJ” key,
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.

* Edid data and Model option download (RS232)

* Caution

1) Use the proper signal cable for EDID Download

- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
- 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 HDMI3

1) Analog Data 128Byte (2Bi)

2) DIGITAL DATA(HDMI-1/2/3/4) 256Byte

* Detail EDID Options are below

ⓐ Product ID

ⓑ Serial No: Controlled on production line.

ⓒ Month, Year: Controlled on production line:

ex) Monthly : ‘09’ -> ‘09’

Year : ‘2006’ -> ‘10’

ⓓ Model Name(Hex):

ⓔ Checksum: Changeable by total EDID data.

ⓕ Vendor Specific(HDMI)

Model Name

HEX

EDID Table

DDC Function

FHD Model

0001

01 00

Analog/Digital

HD Model

0000

00 00

Analog/Digital

- 12 -

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 ManufacturerID

GSM

1E6D

2 

Version 

Digital : 1 

01 

3 

Revision 

Digital : 3 

03 

 

MODEL

MODEL NAME(HEX)

all

00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20

INPUT

MODEL NAME(HEX)

HDMI1 67030C001000B82D

HDMI2 67030C002000B82D

HDMI3 67030C003000B82D

Item CMD1 CMD2 Data0

Download  

A

A

0

0  When transfer the ‘Mode In’,

‘Mode In’

Carry the command.

Download

A E

00 10 

Automatically 

Download

(The use of a internal pattern)