No Name No 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
NC
12
NC
13
GND
14
GND
15
BT_WAKEUP_
DEVICE
16
BT_WAKEUP_
HOST
17
WOL/WIFI_
POWER_ON
18
GND
19
+3.5V_WIFI
20
WIFI_DP
21
COMBO_RESET
22
WIFI_DM
23
GND
24
+3.5V_WIFI
Standard Repair Process Detail Technical Manual
Remote control operation checking method
D. Function error
A15
Established
date
Revised
date
Error
symptom
Content
A15
1. Check IR cable condition between IR & Main board.
2. Check +3.5V_ST on pin 4(②)
3. AS checking the Pre-Amp of IR B/D(③) , the power is in ON condition, an Analog Tester
needle should move slowly, otherwise, it’s defective.
Pre-Amp
LED (Red)
(Power Indicator)
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Only for training and service purposes
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