Previous Check
¢
Check the various cable connections first.
1.
Check to see if there is a burnt or damaged cable.
T
Check to see if there is a disconnected or loose cable connection.
T
Check to see if the cables are connected according to the connection diagram.
T
Check the power input to the Main Board.
2.
Power Cable
LVDS Cable
Speaker
Power Ass’y
Main Ass’y
Main Board Assy (CN201)
13
B13V
14
PWM_DIM
11
B13V
12
B13V
9
B13VS
10
SW_INV
7
B13VS
8
GND
5
GND
6
GND
3
B5.3V
4
A5.3V
1
B5.3V
2
SW_PW
Power Board Assy (CNM803)
14
PS ON/OFF
13
B5V
12
A5V
11
B5V
10
GND
9
GND
8
GND
7
Vamp
6
BLU_ON/OFF
5
Vamp
4
ECO_ON/OFF
3
B13V
2
PWM_DIM
1
B13V
* Change the 14Pin to PWM_DIM(2013 years) from B13V(2012 years)
Check the power in & output between IP & Main Board, Main Board & Panel, IP & Panel.
3.
4. Troubleshooting
4-1. Troubleshooting
4-1
4. Troubleshooting
Summary of Contents for UN32F50**AF
Page 39: ...Power Tree 4 3 4 Troubleshooting...