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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.5. HDMI ARC Function Inspection
5.5.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.5.2. 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
6. Check Commercial features
6.1. External SPK Out
6.1.1. Equipment & Condition
▪ Jig (Speaker out JIG) or Oscilloscope
▪ Power only mode
6.1.2. Check the speaker out
(1) Connect the External Speaker : check the sound
Connect oscilloscope, you can see this waveform
Model
LX770H-UA
LX770M-UA
inch
40/43/49/55/65
32/43/55
IR Out
X
X
DC Power Out (12V)
X
X
Ext SPK Out
O
O
RJP (RJ-45 interface)
O
X
Pro:Idiom
O
O
b-LAN
O
O
Summary of Contents for 32LX770M
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