Standard Repair Process Detail Technical Manual
Remote control operation checking method
D. Function error
A15
Established
date
Revised
date
Error
symptom
Content
A15
Pin Pin name
1 LED_R
2 GND
3 IR
4 3.5V_ST
5 GND
6 GND
7 EYE_SCL
8 KEY2
9 EYE_SDA
10 KEY1
11 n.c
12 n.c
13 GND
14 GND
15
WAKEUP_DEVICE
16
BT_WAKEUP_HOS
T
17
WOL/WIFI_POWE
R_ON
18 GND
19 3.5V_WIFI
20 WIFI_DP
21 COMBO_RESET
22 WIFI_DM
23 GND
24 3.5V_WiIFI
25 GND
③
1. Check IR cable condition between IR & Main board.(Check picture number① and ②)
2. Check the standby 3.5V on the terminal 4 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.
②
IR & EYE Sensor
Eye
LED
IR
Checking order to check remote control
C9 Series
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