D. Function error_ No response in remote controller,
k
Established
Error
t
2014 1 6
Standard Repair Process Detail Technical Manual
P4102
Remote controller operation checking method
key error
<ALL MODELS>
A27
date
Revised
date
symptom
Content
LCD TV
2014. 1 .6
FRONT
REAR
P4102
1
GND
2
KEY1
3
KEY2
4
+3.5V_ST
③
A Type
B Type
5
GND
6
LOGO/LED_R
7
IR
8
GND
9
N/A
④
C Type
9
N/A
10
N/A
Checking order
①
②
g
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 6.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog
Tester needle moves slowly, and defective when it does not move at all.
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