LG 42LB650T Service Manual

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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.8. HDMI MHL Function Inspection
5.8.1. Test method
(1) Insert the HDMI Cable to the HDMI MHL port from the
master equipment, HDMI3, HDMI4 (Only LB86, LB87)
(2) Check the Green LED of Tester, and TV Display.
5.9. EYE-Q Green Function Inspection
Step 1) Turn on the TV..
Step 2) Press 'EYE button' on the adjustment remote-
controller.
Step 3) Cover 'Eye Q sensor' on the front of set with your
hands, hold it for 6 seconds.
Step 4) Check "the Sensor Data" on the screen, make certain
that Data is below 10. If Data isn’t below 10 in 6
seconds, Eye Q sensor would be bad. You should
change Eye Q sensor.
Step 5) Uncover your hands from Eye Q sensor, hold it for 6
seconds.
Step 6) Check "Back Light(xxx)" on the screen, check data
increase . You should change Eye Q sensor.
6. Camera Port Inspection
(1) Objective : To check how it connects between Camera and
PCBA normally, and their Function
(2) Test Method : This Inspection is available only Power-Only
Status
i) Push Camera Up.
ii) Camera’s Preview picture apeears on TV Set.
iii) Push Camera Down
6.1. 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
7. AUDIO output check
7.1. Audio input condition
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal (0.4Vrms)
7.2. Specification
No Item Min Typ Max Unit Remark
1 Audio
practical
max Output,
L/R
(Distor-
tion=10%
max Output)
9.0
8.5
10.0
8.9
12.0
9.9
W
Vrms
(1) Measurement
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (8Ω
Impedance)
ALL MODEL
(Except LB86,LB87)
13.5
10.4
15.0
11.0
18.0
12.0
W
Vrms
(1) Measurement
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (8Ω
Impedance)
Only LB86,LB87

LG 42LB650T Specifications

General

Brand	LG
Model	42LB650T
Category	LED TV
Language	English