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Standard Repair Process Detail Technical Manual
Standard Repair Process Detail Technical Manual
symptom
symptom
symptom
TV
Content
Content
Content
① IR & EYE Sensor
①
Checking order to check remote control
1. Check IR cable condition between IR & Main board.( Check picture number① and ②)
2. Check the standby 3.5V on the terminal 22 pin (③)
3. AS checking the Pre-Amp(IR LED light) , the power is in ON condition, an Analog Tester
needle should move slowly, otherwise, it's defective.
Error
Error
Error
D. Function error
D. Function error
Remote control operation checking method
Remote controller operation checking method
Established
Established
date
date
Revised
Revised
date
date
A13
Pin
Pin name
1
GND
2
KEY1
3
KEY2
4
+3.5V_ST
5
GND
6
LOGO_LIGHT
7
IR
8
GND
9
EYE_SCL
10
EYE_SDA
Copyright © 2017 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.
A13
A22
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