Hdmi Arc Function Inspection; Ship-Out Mode Check (In-Stop); Audio Output Check; Gnd And Hi-Pot Test - LG 43LH5700 Service Manual
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Also See for 43LH5700:
- Easy setup manual (74 pages) ,
- Owner's manual (69 pages) ,
- Safety and reference (41 pages)
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5.6. HDMI ARC Function Inspection
5.6.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.6.2. 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
5.7. 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.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. AUDIO output check
6.1. Audio input condition
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal (0.4Vrms)
6.2. Specification
No
Item
Min
1
Audio
4.5
practical max
6.0
Output, L/R
(Distor-
tion=10%
max Output)
2
2.7
4.03
7. GND and HI-POT Test
7.1. GND & HI-POT auto-check preparation
(1) Check the POWER CABLE and SIGNAL CABE insertion
condition
7.2. 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 automatica
- 15 -
Typ
Max
Unit
Remark
5.0
6.0
W
(1) Measurement
6.32
6.93
Vrms
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (6Ω
Impedance)
(3) 49/43LH57
3.0
3.6
W
(1) Measurement
4.24
4.64
Vrms
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (6Ω
Impedance)
(3) 32LH57
LGE Internal Use Only
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