LG 42LS570T Service Manual

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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
3.5. Model name & Serial number Download
3.5.1. 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 Instart menu.
3.5.2. 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)
It 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(ex 47LM760S-ZB-A) or
Serial number like photo.
4) Check the model name Instart menu. → Factory name
displayed. (ex 47LM760S-ZB)
5) Check the Diagnostics.(DTV country only) → Buyer
model displayed. (ex 47LM760S-ZB)
3.6. CI+ Key checking method
- Check the Section 3.2
Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
=> Check the Download to CI+ Key value in LGset.
3.6.1. Check the method of CI+ Key value
(1) Check the method on Instart menu
(2) Check the method of RS232C Command
1) Into the main ass’y mode(RS232: aa 00 00)
2) Check the key download for transmitted command
(RS232: ci 00 10)
3) Result value
- Normally status for download : OKx
- Abnormally status for download : NGx
3.6.2. Check the method of CI+ key value(RS232)
1) Into the main ass’y mode(RS232: aa 00 00)
2) Check the mothed of CI+ key by command
(RS232: ci 00 20)
3) Result value
i 01 OK 1d1852d21c1ed5dcx
3.7. WIFI MAC ADDRESS CHECK
(1) Using RS232
(2) Check the menu on in-start.
CMD 1 CMD 2 Data 0
A A 0 0
CMD 1 CMD 2 Data 0
C I 1 0
CMD 1 CMD 2 Data 0
A A 0 0
CMD 1 CMD 2 Data 0
C I 2 0
CI+ Key Value
H-freq(kHz) V-freq.(Hz)
Transmission [A][I][][Set ID][][20][Cr] [O][K][X] or [NG]

LG 42LS570T Specifications

General

Brand	LG
Model	42LS570T
Category	LCD TV
Language	English