LG 55LM8600 Service Manual page 18

4.10. HDMI ARC Function Inspection
4.10.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
4.10.2. 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
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Only for training and service purposes
4.11. 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)
4.12 Hi-pot Test
Confirm whether is normal or not when between power board's
ac block and GND is impacted on 1.5kV/min at 100mA(GND)
and 3kV/min at 100mA(Signal)
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