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Checking order

1, 2. Check IR cable condition between IR & Main board.

3. Check the st-by 3.3V on the terminal 6.

4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog

Tester needle moves slowly, and defective when it does not move at all.

Standard Repair Process Detail Technical Manual

Remote controller operation checking method

D. Function error_ No response in remote controller,

key error

A27

Established

date

Revised

date

Error

symptom

Content

LCD TV

P4102

SCL

SDA

GND

KEY1

KEY2

St 3.5V

7 GND

8 RED_LED

9 IR

10 GND

①

②

③

④

2010. 12 .14

Only for training and service purposes

LGE Internal Use Only

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LG 47LM620T Specifications

General

Display diagonal	47 \
LED backlighting type	-
Screen format adjustments	4:3, 14:9, 16:9, Zoom
Motion interpolation technology	MCI (Motion Clarity Index) 400
3D	Yes
3D glasses quantity	4
Product color	Black
Panel mounting interface	400 x 400 mm
Audio system	Infinite Surround
RMS rated power	20 W
Number of speakers	2
DVI port	No
HDMI version	1.4
DVI-D ports quantity	0
USB 2.0 ports quantity	3
Component video (YPbPr/YCbCr) in	1
Consumer Electronics Control (CEC)	Anynet+
Audio formats supported	AAC, AC3, MP3, PCM
Image formats supported	JPG
Video formats supported	DIVX
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	63 W

Weight and Dimensions