LG Electronics 55LA970V/W/9-ZA Wi-Fi Test, LNB voltage and 22KHz tone check, MHL Test

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4.6. Wi-Fi Test

Step 1) Turn on TV

Step 2) Select Network Connection option in Network Menu.

Step 3) Select Start Connection button in Network Connection.

Step 4) If the system finds any AP like blow PIC, it is working well.

4.7. LNB voltage and 22KHz tone check

(only for DVB-S/S2 model)

Test method

(1)Set TV in Adj. mode using POWER ON.

(2)Connect cable between satellite ANT and test JIG.

(3)Press Yellow key(ETC+SWAP) in Adj Remote control to make LNB on.

(4)Check LED light ‘ON’ at 18 V menu.

(5)Check LED light ‘ON’ at 22 KHz tone menu.

(6)Press Blue key(ETC+PIP INPUT) in Adjustment Remote control to make LNB off.

(7)Check LED light ‘OFF’ at 18 V menu.

(8)Check LED light ‘OFF’ at 22 KHz tone menu.

Test result

(1)After press LNB On key, ‘18 V LED’ and ‘22 KHz tone LED’ should be ON.

(2)After press LNB OFF key, ‘18 V LED’ and ‘22 KHz tone LED’ should be OFF.

4.8. Inspection of light scattering

▪ Test Method

(1)Push “Power only” key.

(2)Push “HDMI” hot key.

(3)Inspect whether light scattering is occurred in internal black pattern or not.

(4)Push “Power only” key.

4.9.Option selection per country

4.9.1. Overview

- Option selection is only done for models in Non-EU.

4.9.2. Method

(1)Press ADJ key on the Adjustment Remote Control, then select Country Group Meun

(2)Depending on destination, select Country Group Code 04 or Country Group EU then on the lower Country option, select US, CA, MX. Selection is done using +, - or ►◄ key.

4.10. MHL Test

(1)Turn on TV

(2)Select HDMI4 mode using input Menu.

(3)Set MHL Zig(M1S0D3617) using MHL input, output and power cord.

(4)Connect HDMI cable between MHL Zig and HDMI4 port.

(5)Check LED light of Zig and Module of Set.

Result) If, the LED light is green and the Module shows normal stream → OK, Else → NG

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Contents LED TV Contents Safety Precautions General GuidanceServicing Precautions Electrostatically Sensitive ES DevicesIC Remove/Replacement Specification Model General SpecificationApplication range Requirement for TestPAL-BG/DK/I/I’ VHF, UHFDVB-T QpskExternal input format ModeHD DTV SD DTVSD ATVCVBS/SCART Sdtv 576PVIC Hdtv 768P Iii Adjustment Instruction Automatic AdjustmentADC Adjustment DesignationLAN Inspection Model name & Serial number Download CI+ Key checking methodManual Adjustment EquipmentDownload method Edid DataWhite Balance Adjustment Adj. Command ProtocolAdj. condition and cautionary items Equipment connection MAPReference White balance Adj. coordinate Color temperature Adj. methodMagic Motion Remote control test Local Dimming Function CheckFunction test Edge LED White balance tableWi-Fi Test LNB voltage and 22KHz tone checkInspection of light scattering Option selection per countryShip-out mode checkIn-stop AudioHdmi ARC Function Inspection Tool Option selectionUSB S/W DownloadService only After downloading, have to adjust Tool Option againImportant Safety Notice Exploded View