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. (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.
Standard Repair Process Detail Technical Manual
Remote control operation checking method
D. Function error
A13
Established
date
Revised
date
Error
symptom
Content
A13
②
③
Checking order to check remote control
Pin Pin name
1 LED_R_JACK
2 GND
3 IR_JACK
4 +3.5V_ST
5 GND
6 N.C.
7 EYE_SCL_JACK
8 KEY2_JACK
9 EYE_SDA_JACK
10 WOV_PDM0_DATAIN_JACK
11 KEY1_JACK
12 WOV_PDM_CLKOUT_JACK
13 +3.5V_WIFI
14 GND
15 COMBO_RESET_JACK
16 BT_WAKEUP_HOST_JACK
17 WOL/WIFI_POWER_ON_JACK
18 GND
19 +3.5V_WIFI
20 WIFI_DP_JACK
21
WIFI_SUSPEND/
RESUME_JACK
22 WIFI_DM_JACK
23 GND
24 +3.5V_WIFI
25 F20_PWM_IN[4]
26 GND
27 F20_PWM_OUT[2]
28 +13V_FAN
① IR & EYE Sensor
IR
Eye
LED
Voice
Recognitioin
MIC
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