
- 13 - LGE Internal Use OnlyCopyright  ©    LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5. Model name & Serial number D/L▪ Press "Power on" key of service remote control.
(Baud rate : 115200 bps)
▪ Connect RS232 Signal Cable to RS-232 Jack.
▪ Write Serial number by use RS-232.
▪  Must check the  serial number  at the  Diagnostics of  SET UP 
menu. (Refer to below).
5.1. Signal Table
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +...+ Data_n
Delay : 20ms
5.2. Comand Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity,  Htotal, Hstart, Vstart,  0, 
Phase
Data write :  Model Name and Serial Number write in EEPROM,.
5.3. Method & notice
(1) Serial number D/L is using of scan equipment.
(2)  Setting of  scan equipment  operated  by Manufacturing 
Technology Group.
(3)  Serial number D/L  must be conformed  when it is  produced in 
production line,  because serial  number D/L is  mandatory by 
D-book 4.0.
* Manual Download(Model Name and Serial Number)
If the TV  set is downloaded  by OTA or  Service man, sometimes 
model name or serial number is initialized.(Not always)
There is  impossible to download  by bar  code scan,  so It  need 
Manual download.
1) Press the "Instart" key of Adjustment remote control.
2) Go to the menu "5.Model Number D/L" like below photo.
3)  Input the Factory model name or Serial number like photo.
4)  Check the model name Instart menu. 
→
 Factory name displayed. 
(ex 42LD450-ZA)
5)  Check  the Diagnostics.(DTV  country only)  → Buyer  model 
displayed.(ex 42LD450)
CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY
Adjust mode CMD(hex) LENGTH(hex) Description
EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)