LG 42LK530 - TV Parts and Button Identification

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Only for training and service purposes
4. MAIN PCBA Adjustments
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. LAN port Inspection (Ping Test)
4.2.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test Program.
- IP number: 12.12.2.2
4.2.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) remove LAN CABLE