LG M2250D Service Manual page 14

* 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 ADJ remote controller.
2) Go to the menu '5.Model Number D/L' like below photo.
3) Input the Factory model name(ex 42LD450-ZA) 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)
6. CI+ Key Download method
(1) Download Procedure
1) Press "Power on" button of a service remote control.
(Baud rate : 115200 bps)
2) Connect RS232-C Signal Cable.
3) Write CI+ Key through RS-232-C.
4) Check whether the key was downloaded or not at 'In
Start' menu. (Refer to below).
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
=> Check the Download to CI+ Key value in LGset.
1. check the method of CI+ Key value
a. check the method on Instart menu
b. check the method of RS232C Command
1) into the main ass'y mode (RS232 : aa 00 00)
CMD 1
A
2) check the key download for transmitted command
(RS232 : ci 00 10)
CMD 1
C
3) result value
- normally status for download : OKx
- abnormally status for download : NGx
2. Check the method of CI+ Key value (RS232)
1) into the main ass'y mode (RS232 : aa 00 00)
CMD 1
A
2) Check the method of CI+ key by command (RS232 :
ci 00 20)
CMD 1
C
3) Result value
i 01 OK 1d1852d21c1ed5dcx
7. Local Dimming Function Check
Step1) Turn on TV.
Step2) Press "P-only" key, entrance to power only mode and
Press "Exit" key
Step3) Press "Tilt" key, entrance to Local Dimming mode.
Step4) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of module moving
Step5) confirm the Local Dimming mode
Step6) Press "Exit" key
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CMD 2 Data 0
A 0 0
CMD 2 Data 0
I 1 0
CMD 2 Data 0
A 0 0
CMD 2 Data 0
I 2 0
CI+ key Value
LGE Internal Use Only