42LG80FR (CHASSIS:LP81G) - LG TV Service Manual (repair manual). Page 11

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Before PCBA check, you have to change the Tool option, Area
option and have to AC off/on (Plug out and in)
(If missing this process, set can operate abnormally)
7. Input Tool Option, Area Option
(1) Equipment : adjustment remote control.
(2) Profile : Must be changed the option value because being
different with some setting value depend on
module maker, inch and market.
(3) Adjustment method
The input methods are same as other chassis.(Use IN-
START Key on the Adjust Remocon.)
(If not changed the option, the input menu can differ the
model spec.)
* Refer to Job Expression of each main chassis ass’y
(EBTxxxxxxxx) for Option value  
* Never push the IN-STOP KEY after completing the function
inspection.
** After TOOL Option/ Area Option change, you have to AC
off/oon (Plug out and in)
Before PCBA check , you ha ve to change the Tool opition,
Area option and have to AC off/on (Plug out and in)
(If missing this process, set can operate abnormally)
8. Check S/W version, USB Version
8-1. Method
(1) Push In-start key on Adjust remote-control.
(2) Check “ MainV3.xx USB V3.xx”
9. EDID 
(The Extended Display Identification Data )
/DDC 
(Display Data Channel) 
download
* Caution
Use the proper signal cable for EDID Download
9-1. EDID DOWNLOAD
* Caution:
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing
* EDID Data
9-2. EDID DATA - LP81G Model
<Analog : 128bytes>
<HDMI 1 : 256bytes> / <HDMI 2 : 256bytes>
The data is same without Physical address
-> Physical address(F) : HDMI 1 -> 10, HDMI 2 -> 20
- 11 -
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital : 3
Data
1E6D
01
03
For HDMI EDID
For RGB EDID
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