LG 43UH67 Series Service Manual page 19

4.3. Local Dimming Function Check
(1) Turn on TV.
(2) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of IOP module moving.
(3) Confirm the Local Dimming mode.
(4) Press "exit" Key.
- [55/60/65UH65, 40/50/68UH63, 49/55/60/65UH75,
49/55/60/65UH77: 6Block]
- [70UH70 : 12Block]
4.4. Magic Motion Remote control test
- Equipment : RF Remote control for test, IR-KEY-Code
Remote control for test
- You must confirm the battery power of RF-Remote control
before test(recommend that change the battery per every lot)
- Sequence (test)
1) If you select the 'start key(OK)' on the Adjustment remote
control, you can pairing with the TV SET.
2) You can check the cursor on the TV Screen, when select
the "OK" key on the Adjustment remote control.
3) You must remove the pairing with the TV Set by select
'Mute + OK Key' on the Adjustment remote control.
4.5. Option selection per country
4.5.1. Overview
- Option selection is only done for models in AJ/JA/IL
4.5.2.Method
(1) Press ADJ key on the Adj. R/C, then select Country Group
Menu.
(2) Depending on destination, select Country Group Code or
Country Group then on the lower Country option, select
US, CA, MX. Selection is done using +, - or ►◄ KEY.
4.6. HDMI ARC Function Inspection
(1) Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
(2) Test method
1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment. (HDMI2)
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Only for training and service purposes
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)
4.7. Ship-out mode check (In-stop)
- After final inspection, press In-Stop key of the Adjustment
remote control and check that the unit goes to Stand-by
mode.
5. GND and Internal Pressure check
5.1. 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.
5.2. Checkpoint
▪ TEST voltage
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
▪ TEST time: 1 second
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
- Internal Pressure TEST = POWER CORD GND & LIVE &
NEUTRAL
▪ LEAKAGE CURRENT: At 0.5 mArms
6. Audio
Measurement condition:
(1) RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
(2) CVBS, Component: 1 KHz sine wave signal 0.5 Vrms
No. Item
Audio practical max Output,
1 L/R (Distortion=10% max
Output)
Speaker
2
(6/8Ω Impedance)
- 19 -
Typ Max Unit
10 12 W
EQ Off
AVL Off
8.10 10.8 Vrms
Clear Voice Off
EQ On
10 12 W AVL On
Clear Voice On
LGE Internal Use Only