LG 42LA6130 Service Manual

Checking order when there is no audio
① Check the contact condition of or 24V connector of Main Board
② Measure the 24V input voltage supplied from Power Board
(If there is no input voltage, remove and check the connector)
③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the
GND and output terminal, the speaker is normal.
Standard Repair Process Detail Technical Manual
Voltage and speaker checking method
when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A16
Established
date
Revised
date
Error
symptom
Content
LCD TV
①
②
③
②
2012. 11 .17
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LA6130 Specifications

General

Display diagonal	42 \
Native aspect ratio	16:9
Native refresh rate	50 Hz
LED backlighting type	Direct-LED
Supported video modes	1080p
Display diagonal (metric)	106.68 cm
Supported graphics resolutions	1920 x 1080 (HD 1080)
Motion interpolation technology	MCI (Motion Clarity Index) 100
3D	Yes
3D glasses quantity	2
Annual energy consumption	139.5 kWh
Supported 3D technologies	LG Cinema 3D
Tuner type	Digital
Analog signal format system	-
Digital signal format system	DVB-C, DVB-T
Audio system	Virtual Surround
RMS rated power	20 W
DVI port	No
HDMI version	1.4
DVI-D ports quantity	0
USB 2.0 ports quantity	1
Audio formats supported	AAC, AC3, HE-AAC, MP3, PCM
Image formats supported	JPG, JPS, MPO
Video formats supported	DIVX, MPEG
Product color	Silver
Power consumption (standby)	- W

Weight and Dimensions

Depth (with stand)	235 mm
Height (with stand)	628 mm
Weight (with stand)	10400 g
Depth (without stand)	79 mm
Width (without stand)	968 mm
Height (without stand)	566 mm
Weight (without stand)	9500 g