LG 32LD450 Service Manual page 14

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(Only for CI model)
6-1. Download Procedure
(1) Press "Power on" button of a service R/C.(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).
=> Check the Download to CI+ Key value in LGset.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6-2. 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)
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
6-3. Check the method of CI+ key value (RS232)
(1) into the main ass'y mode (RS232 : aa 00 00)
CMD 1 CMD 2
A
(2) Check the method of CI+ key by command
(RS232 : ci 00 20)
CMD 1 CMD 2
C
(3) Result value
i 01 OK 1d1852d21c1ed5dcx
- 14 -
CMD 2 Data 0
A 0 0
CMD 2 Data 0
I 1 0
Data 0
A 0 0
Data 0
I 2 0
CI+ key Value
LGE Internal Use Only