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Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
①
Checking order
1.
Check IR cable condition between IR & Main board.
2.
Check WIFI Combo cable condition between WIFI Combo Assy & Main board.
3.
Check the st-by 3.5V P4100 on the terminal 4
4.
Check the 3.5V_WIFI P4101 on the terminal 8
Copyright
2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Error
D. Function error
Motion Remote operation checking method
②
A14
Established
2014.12.31
date
Revised
date
P4100
1
2
③
3
4
3.5V_ST
5
6
LOGO_LIGHT
7
8
9
EYE_SCL
10
EYE_SDA
1
2
M_RFModule_RESET
3
4
WOL/WIFI_POWER_ON
5
6
③
7
8
A23
GND
KEY1
KEY2
GND
IR
GND
P4101
GND
NOT USE
GND
WIFI_DP
WIFI_DM
3.5V_WIFI
LGE Internal Use Only
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