LG Centric 42LY750H, Service Manual

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LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.4. Wi-Fi Test
Step 1) Turn on TV
Step 2) Select Network Connection option in Network Menu.
Instart menu -> Menu -> Network Setup (Network
Setting>Press OK)
Step 3) Select Start Connection button in Network Connection.
Step 4) If the system finds any AP like blow PIC, it is working
well.
4.5. HDMI ARC Function Inspection
4.5.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
4.5.2. Test method
(1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI1)
(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)
* Remark: Inspect in Power Only Mode and check SW version
in a master equipment
4.6. Local Dimming Function Check
Step 1) Turn on TV.
Step 2) Press “TILT” key on the Adj. R/C.
Step 3) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of IOP module moving.
Step 4) Confirm the Local Dimming mode.
Step 5) Press "exit" key.
4.7. Magic Motion Remote control test
(1) Equipment : RF Remote control for test, IR-KEY-Code
Remote control for test
(2) You must confirm the battery power of RF-Remote control
before test.(recommend that change the battery per every lot)
(3) Sequence (test)
1) if you select the "Start(Wheel)" key 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 "Wheel" key on the Adjustment remote control.
3) You must remove the pairing with the TV Set by select
"Mute" key on the Adjustment remote control.
Local Dimming Demo
(Edge LED Model)