3D Pattern Test; Hdmi Arc Function Inspection; Ship-Out Mode Check - LG 55LA7400 Service Manual

5.6. 3D pattern test (Only for 3D models)
5.6.1. Test equipment
(1) Pattern Generator MSHG-600 or MSPG-6100 (HDMI 1.4
support)
(2) Pattern: HDMI mode (model No. 872, pattern No. 83)
5.6.2. Test method
(1) Input 3D test signal as Fig.1.
(2) Press 'OK" key as a 3D input OSD is shown.
(3) Check pattern as Fig2 without 3D glasses. (3D mode
without 3D glasses)
Fig.2
<OK in 3D mode without 3D glasses>
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Fig.3
<NG in 3D mode without 3D glasses>

5.7. HDMI ARC Function Inspection

5.7.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.7.2. 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
5.8. Ship-out mode check (In-stop)
▪ After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode
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LGE Internal Use Only