50LN5400-SA, 50LN5400-SB (CHASSIS:LJ36B) - LG TV Service Manual (repair manual). Page 17

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(10) FHD 2D DTS EDID Data (Not Support Deep Color – 8bit)
CheckSum
Physical Address (0x9E)
HDMI 1
42/8C
10
HDMI 2
42/7C
20
- HDMI
4.5. Outgoing condition Configuration
■  When  pressing  IN-STOP  key  by  SVC  remocon,  Red  LED 
are blinked alternatively. And then automatically turn off.
   (Must not AC power OFF during blinking)
4.6. GND & Hi-pot test
4.6.1. GND & HI-POT auto-check preparation 
(1)  Check  the  POWER  CABLE  and  SIGNAL  CABE  insertion 
condition
4.6.2. GND & HI-POT auto-check 
(1)  Pallet moves in the station. (POWER CORD / AV CORD is 
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) GND Test (Auto) 
     - If Test is failed, Buzzer operates.
     -  If  Test  is  passed,  execute  next  process  (Hi-pot  test). 
(Remove A/V CORD from A/V JACK BOX)
(5) HI-POT test (Auto)
     - If Test is failed, Buzzer operates.
     -  If  Test  is  passed,  GOOD  Lamp  on  and  move  to  next 
process automatically.
4.6.3. Checkpoint 
(1) Test voltage
 3 Poles 
    - GND: 1.5KV/min at 100mA
    - SIGNAL: 3KV/min at 100mA
 2 Poles
    - SIGNAL: 3KV/min at 100mA
(2) TEST time: 1 second
(3) TEST POINT
 3 Poles
    -  GND Test  =  POWER  CORD  GND  and  SIGNAL  CABLE 
GND.
    -  Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL.
 2 Poles
   - Hi-pot Test = Accessible Metal and LIVE & NEUTRAL.
(4) LEAKAGE CURRENT: At 0.5mArms
5. Local Dimming Function Check
Step1) Turn on TV.
Step2)  Press  “P-only”  key,  enter  to  power  only  mode  and 
escape the “P-only” Mode by pressing “Exit” key
Step3) Press “Tilt” key, entrance to Local Dimming mode.
Step4)  At  the  Local  Dimming  mode,  module  Edge  Backlight 
moving Top to bottom Back light of module moving 
Step5) confirm the Local Dimming mode
Step6) Press “Exit” key
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