65LA970V-ZA, 65LA970W-ZA, 65LA9709-ZA (CHASSIS:LD34N) - LG TV Service Manual (repair manual). Page 14

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3.3. LAN Inspection
3.3.1. Equipment & Condition
▪ Each other connection to LAN Port of IP Hub and Jig
3.3.2. LAN inspection solution
▪ LAN Port connection with PCB
▪ Network setting at MENU Mode of TV
▪ Setting automatic IP
▪ Setting state confirmation
→  If automatic setting is finished, you confirm IP and MAC 
Address.
3.3.3. WIDEVINE key Inspection
- Confirm key input data at the "IN START" MENU Mode.
3.3.4. DTCP Inspection
-  Confirm Key input at the “IN START” MENU Mode
-  Below  DTCP  check  on  “IN  START”  MENU  is  enabled  only 
for Models which “DTCP key” tool option is “ON” 
-  Only  EU  suffix  models  DTCP  key  option  is  on.  (ex. 
47LA790V-ZA.KEUYLJG)
3.4. LAN PORT INSPECTION(PING TEST)
Connect SET → LAN port == PC → LAN Port
3.4.1. 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
3.4.2. 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.
SET
PC
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