LG 65UF6790 Service Manual page 18

5.5. Local Dimming Function Check
(Step 1) Turn on TV
(Step 2) At the Local Dimming mode, module Edge Backlight
moving right to left
Back light of IOP module moving
(Step 3) confirm the Local Dimming mode
(Step 4) Press "exit" Key
5.6 HDMI ARC Function Inspection
5.6.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.6.2. Test method
(1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI2)
(2) Check the sound from the TV Set
(3) Check the Sound from the Speaker or using AV & Optic
TEST program (It's connected to MSHG-600)
5.7. HDMI ARC Function Inspection
5.7.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.7.2. Test method
(1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI2)
(2) Check the sound from the TV Set
(3) Check the Sound from the Speaker or using AV & Optic
TEST program (It's connected to MSHG-600)
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Only for training and service purposes
5.8. EYE-Q Green Function Inspection
(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
5.9. Ship-out mode check (In-stop)
▪ After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode.
6. GND and Internal Pressure check
6.1. Method
(1) GND & Internal Pressure auto-check preparation
- Check that Power Cord is fully inserted to the SET. (If loose,
re-insert)
(2) Perform GND & Internal Pressure auto-check
- Unit fully inserted Power cord, Antenna cable and A/V arrive
to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
- 18 -
Tuner GND is separated.
LGE Internal Use Only