55LW9800-UA (CHASSIS:LA12D) - LG TV Service Manual (repair manual). Page 14

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4. Manual Adjustment 
4.1. MAC Address, ESN Key and Widevine
Key download 
4.1.1. Equipment & Condition  
1) Play file: keydownload.exe   
4.1.2. Communication Port connection 
1) Key Write: Com 1,2,3,4 and 115200(Baudrate) 
2) Barcode: Com 1,2,3,4 and 9600(Baudrate) 
4.1.3. Download process  
1) Select the download items
2) Mode check: Online Only 
3) Check the test process 
US, Canada models: DETECT  MAC_WRITE
WIDEVINE_WRITE 
Korea, Mexico models: DETECT  MAC_WRITE
WIDEVINE_WRITE 
4) Play: START 
5) Check of result: Ready, Test, OK or NG 
6) Printer out (MAC Address Label)   
4.1.4. Communication Port connection 
1) Connect: PCBA Jig RS-232C Port == PC  RS-232C Port 
4.1.5. Download 
1) US, Canada models (11Y LCD TV + MAC + Widevine +
ESN Key) 
2) Korea, Mexico models (11Y LCD TV + MAC + Widevine
Only) 
4.1.6. Inspection 
- In INSTART menu, check these keys.        
4.2. PING Test 
* LAN card can be verified by using PING test 
4.2.1 Adjustment Method(Board)
1) Connect LAN to the board and power on. 
(Default IP can be set to automatic setting. When power
ON, IP can be automatically be achieved from the router) 
2) Press ADJ key in the adjustment remote control. 
3) Check Network status by pressing 13. ACAP PING TEST in
EZ ADJUST. If it operates properly, it will show “Network is
operating properly.” If it does not, it will show “Network is
not working properly.” 
4.2.2 Adjustment Method (Manufacturer) 
4) Connect the PC with PING Test program installed and the
LAN port of the SET via Cross LAN Cable. (The IP setting
of the PC has to be 12.12.2.3) 
5) After the PING Test program has been executed, check the
program setting. (IP of the set will be 12.12.2.2. Double
check the setting. Do not check the Modem because it will
not be used.) 
6) Press the Power Only Key in Adjustment remote control.
(IP of the set will be set) 
7) Upon  pressing  “RUN” in the program, it will show “OK” or
“NG” according to the test result. 
After all the adjustments, to disable the IP setting, press
INSTOP key. 
 
 
 
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