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Standard Repair Process Detail Technical Manual
symptom
Content
<LD59H, LD59J>
①
IR & LOGO light front
IR & LOGO light Rear
Eye
Checking order to check remote control
Checking order
1.Check IR cable condition between IR & Main board.( Check picture number① and ②)
2.Check the standby 3.5V on the terminal 16 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.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
D. Function error
Remote control operation checking method
IR
②
Established
date
Revised
date
A22
A22
1
GND
2
+3.5V WOL
3
BT_RESET
4
USB_DM
5
NC
6
USB_DP
7
WOL
8
GND
9
SDA
10
GND
11
SCL
12
KEY1
13
GND
14
KEY2
③
15
IR
16
+3.5V_ST
17
LED_R
18
GND
LGE Internal Use Only
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