Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<XXUB83/820X-XX>
Front
Back
①
Wifi/ BT Combo
Checking order to check remote controller
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.
Error
D. Function error
Remote controller operation checking method
②
Established
date
Revised
date
A22
2014.02.07
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