LG Electronics 42LT640H-ZA service manual Model name & Serial number D/L, Signal Table, Comand Set

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 Product/Service info.. (menu key -> red key -> select product/Service info)

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)

5.1. Signal Table

CMD LENGTH ADH

ADL DATA_1

. . .

Data_n CS DELAY

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

Adjust mode	CMD(hex)	LENGTH(hex)	Description
EEPROM WRITE	A0h	84h+n	n-bytes Write (n = 1~16)

*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 "6.Model Number D/L" like below photo.

3)Input the Factory model name or Serial number like photo.

Copyright ©	LG Electronics. Inc. All rights reserved.	- 14 -	LGE Internal Use Only
Only for training and service purposes