LG 50PX950 Service Manual page 11

8. MAC Address and ESN Key Write
8-1. Equipment & Condition
- Play file: Serial.exe
- MAC Address edit
- Input Start / End MAC address
8-2. Download method
(1) Communication Prot connection
Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port
(2) MAC Address Download
- Com 1,2,3,4 and 115200(Baudrate)
- Port connection button click(1)
- Load button click(2) for MAC Address write.
- Start MAC Address write button(3)
- Check the OK Or NG
8-3. Equipment & Condition
- Each other connection to LAN Port of IP Hub and Jig
8-4. MAC Address
- Push "IN-START" Key in service remote controller.
- Check ESN KEY only north America model
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Only for training and service purposes
8-5. LAN PORT INSPECTION(PING TEST)
- 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.
- remove LAN CABLE
9. GND and ESD Testing
9-1. Prepare GND and ESD Testing.
- Check the connection between set and power cord
9-2. Operate GND and ESD auto-test.
(1) Fully connected (Between set and power cord) set enter
the Auto-test sequence.
(2) Connect D-Jack AV jack test equipment.
(3) Turn on Auto-controller(GWS103-4)
(4) Start Auto GND test.
(5) If its result is NG, then notice with buzzer.
(6) If its result is OK, then automatically it turns to ESD Test.
(7) Operate ESD test
(8) If its result is NG, then notice with buzzer.
(9) If its result is OK, then process next steps. Notice it with
Good lamp and STOPER Down.
9-3. Check Items.
(1) Test Voltage
GND: 1.5KV/min at 100mA
Signal: 3KV/min at 100mA
(2) Test time: just 1 second.
(3) Test point
GND test: Test between Power cord GND and Signal cable
metal GND.
ESD test: Test between Power cord GND and Live and
neutral.
(4) Leakage current: Set to 0.5mA(rms)
- 11 - LGE Internal Use Only