Previous Check
Check the various cable connections first.
1.
Check to see if there is a burnt or damaged cable.
-
Check to see if there is a disconnected or loose cable connection.
-
Check to see if the cables are connected according to the connection diagram.
-
Check the power input to the Main Board.
2.
14P Cable
LVDS Cable
Speaker
Power Ass’y
Main Ass’y
CN201 (to Powr board)
1
B5.3V
8
GND
2
SW_PW
9
B13VS_AMP
3
B5.3V
10
SW_INV
4
A5.3V
11
B13VS_PW
5
GND
12
B13VS_PW
6
GND
13
B13VS_PW
7
B13VS_AMP
14
PWM_DIM
CNM803 (to Main board)
1
B13V
8
GND
2
PWM_DIM
9
GND
3
B13V
10
GND
4
B13V
11
B5V
5
Vamp
12
A5V
6
BLU_On/Off
13
B5V
7
Vamp
14
Power on
Check the power in & output between IP & Main Board, Main Board & Panel, IP & Panel.
3.
4. Troubleshooting
4-1. Troubleshooting
4-1
4. Troubleshooting