LG 22MT41 Series Service Manual

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
5.2. 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
5.3. Command 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 EE-
PROM,.
5.4. 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 Num-
ber)
If the TV set is downloaded By OTA or Service man, Some-
times 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 ADJ remote control.
2) Go to the menu 'Model Number D/L' like below photo.
3) Input the Factory model name (ex 27MT58DF-PZ) or Serial
number like photo.
4) Check the model name Instart menu → Factory name
displayed (ex 27MT58DF-PZ)
5) Check the Diagnostics (DTV country only) → Buyer model
displayed (ex 27MT58DF-P)
6. MAC Address & CI+ Key Down-
load
6.1. MAC Address
6.1.1. Equipment & Condition
▪ Play le : Serial.exe
▪ MAC Address edit
▪ Input Start / End MAC address
6.1.2. Download method
6.1.2.1. Communication Prot Connection
Connection : PCBA (USB Port) → USB to Serial Adapter (UC-
232A) → RS-232C cable → PC(RS-232C port)
6.1.2.2. MAC Address & CI+ Key Download
▪ Set CI+ Key path Directory at Start Mac & CI+ Download
Programme
▪ Com 1,2,3,4 and 115200 (Baudrate)
▪ Port connection button click(1)
▪ Push the (2) MAC Address write.
▪ At success Download, check the OK (3)
▪ Start CI+ Key Download, Push the (4)
▪ Check the OK or NG
CMD LENGTH ADH ADL DATA_1 ... Data_n CS DELAY
No. 1
Adjust mode EEPROM WRITE
CMD(hex) A0h
LENGTH(hex) 84h+n
Description n-bytes Write (n = 1~16)

LG 22MT41 Series Specifications

General

Brand	LG
Model	22MT41 Series
Category	LED TV
Language	English