LG 42LY750H Service Manual page 13

5.3. EYE-Q Check
Step 1) Turn on the TV. Press "Power Only" and "Exit" on the
adjustment remote-controller.
Step 2) Press 'EYE button' on the adjustment remote-
controller.
Step 3) Cover 'Eye Q sensor' on the front of set with your
hands, hold it for 6 seconds.
Step 4) Check "the Sensor Data" on the screen, make certain
that Data is below 10. If Data isn't below 10 in 6
seconds, Eye Q sensor would be bad. You should
change Eye Q sensor.
Step 5) Uncover your hands from Eye Q sensor, hold it for 6
seconds.
Step 6) Check "Back Light(xxx)" on the screen, check data
increase . You should change Eye Q sensor.
5.4. Magic Motion remote controller Check
(M_Remote Receiver : Dongle-Type)
5.4.1. Test equipment
- RF-remote controller for check, IR-KEY-CODE remote
controller.
- Check AA battery before test. A recommendation is that a
tester change battery every lots
5.4.2. Test
(1) Make pairing with TV set by pressing "Start key(Wheel
key)" on RCU.
(2) Check a cursor on screen by pressing 'Wheel key" of RCU
(3) Stop paring with TV set by pressing "Back+ Home" key of
RCU
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Only for training and service purposes
5.5. Wi-Fi MAC Address Check
5.5.1. Using RS232 Command
Command
Transmission [A][l][][Set ID][][20][Cr]
5.5.2. Check the menu on in-start
5.6. Wi-Fi Test
Step 1) Turn on TV
Step 2) Select Network Connection option in Network Menu.
Installer menu -> 119 -> 253 -> Menu
Step 3) Select Start Connection Button in Network Connection
-> Wireless.
Step 4) If the system finds any AP like blow PIC, it is working
well
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Set ACK
[O][K][x] or [N][G]
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