65LA9700-TA, 65LA970Y-TA (CHASSIS:LB34N) - LG TV Service Manual (repair manual). Page 19

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4.5. 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.
 
4.6. 3D function test
(Pattern Generator MSHG-600, MSPG-6100[Support HDMI1.4])
* HDMI mode NO. 872 , pattern No.83
(1)  Please input 3D test pattern like below.
(2) When 3D OSD appear automatically, then select green key.
(3) Don't wear a 3D Glasses, Check the picture like below.
4.7. Option selection per country
4.7.1. Overview
-  Option selection is only done for models in AJ/JA/IL
4.7.2.Method
(1)  Press  "ADJ"  key  on  the Adjustment  remote  control,  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.
4.8. 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 (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)
4.9. 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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