LG 55LM960V (CHASSIS:LD23E) Service Manual ▷ View online
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.3V on the terminal 6.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the
3. Check the st-by 3.3V 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.
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error
<XXLM9600>
A27
Established
date
Revised
date
Error
symptom
Content
LCD TV
A27
P4102
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
St 3.5V
7
GND
8
GP4_LED_R
9
IR
10
GND
①
②
③
④
2011. 12 .14
Checking order
1, 2. Check Motion cable condition between Motion assy & Main board.
3. Check the 3.3V on the terminal 1.
3. Check the 3.3V on the terminal 1.
Standard Repair Process Detail Technical Manual
Motion Remote operation checking method
Established
date
Revised
date
Error
symptom
Content
LCD TV
A28
P4800
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
①
②
③
2011. 12 .14
<XXLM9600>
A28
D. Function error
Checking order
1, 2. Check Wifi cable condition between Wifi assy & Main board.
3. Check the 5V on the terminal 1.
3. Check the 5V on the terminal 1.
Standard Repair Process Detail Technical Manual
Wifi operation checking method
A29
Established
date
Revised
date
Error
symptom
Content
LCD TV
A29
P4301
1
VDD
2
DM
3
DP
4
GND
②
③
2011. 12 .14
①
<XXLM9600>
D. Function error
Checking order
1, 2. Check Wifi cable condition between Wifi assy & Main board.
3. Check the 5V on the terminal 1.
3. Check the 5V on the terminal 1.
Standard Repair Process Detail Technical Manual
Wifi operation checking method
A29
Established
date
Revised
date
Error
symptom
Content
LCD TV
A29
P4301
1
VDD
2
DM
3
DP
4
GND
②
③
2011. 12 .14
①
<XXLM9600>
D. Function error