50PW450-TD (CHASSIS:PA11A) - LG TV Service Manual (repair manual). Page 12

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[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,.

(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 ADJ remote controller.
2) Go to the menu ‘5.Model Number D/L’ like below photo.
3) Input the Factory model name(ex 42LD450-TA) or Serial

number like photo.

4) Check  the  model  name  Instart  menu  ?  Factory  name

displayed (ex 42LD450-TA)

5) Check  the  Diagnostics  (DTV  country  only)  ?  Buyer

model displayed (ex 42LD450)

(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. 

(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

CMD 1

CMD 2

Data 0

A

A

0         0

CMD 1

CMD 2

Data 0

C

1

1        0