Standard Repair Process Detail Technical Manual
symptom
Content
①
IR & EYE Sensor
IR & LOGO light Rear
IR
LED
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 22 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 control operation checking method
Eye
②
Established
date
Revised
date
A22
P4001
1
+3.4V_WIFI
2
WIFI_DM
3
WIFI_DP
4
GND
5
WOL/WIFI_POWER_ON
6
+3.4V_WIFI
7
NC
8
GND
9
NC
10
NC
11
GND
12
GND
13
NC
14
NC
15
NC
16
I2C_SDA_EYE
17
I2C_SCL_EYE
18
GND
19
20
LED_R
21
GND
③
22
+3.4V_ST
23
KEY2
24
KEY1
25
GND
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A22
IR