LG 42LM6200 Service Manual page 16

5.3. Local Dimming Inspection
(1) Press 'TILT" key of the Adj. R/C and check moving
patterns. The black bar patterns moves from top to bottom.
If a local dimming function does not work, a whole screen
shows full white.
<T120 Model>
<T240 Model>
※ Except No local-dimming models
5.4. EYE-Q Check
Step 1) Turn on the TV..
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.
<Step 2>
<Step 4>
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
<Step 3>
<Step 6>
<Step 5>
5.5. Magic Motion remote controller Check
5.5.1. 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.
5.5.2. 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
5.5.3. Applied models
Chassis Model Name
LA22E 32/42/47/55LS5700-UA
42/47/55/65LM6200-UA
32/42/47/55LS5700-UA
42/47/55LM6700-UA
47/55LM7600-UA
※ LW5700-UE series: An USB dongle-type receiver will be
supplied in form of accessory. So this pairing test is not
necessary for these models.
5.6. Wi-Fi MAC Address Check
5.6.1. Using RS232 Command
Command
Transmission [A][l][][Set ID][][20][Cr]
5.6.2. Check the menu on in-start
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Magic RF receiver
Built-in
Set ACK
[O][K][x] or [N][G]
LGE Internal Use Only