Troubleshooting; Previous Check - Samsung UE40D500 BW Series Service Manual

4. Troubleshooting

4-1. Troubleshooting

4-1-1. Previous check

1. Check the various cable connections first.
• Check to see if any cables are damaged or burnt.
• 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.
2. Check the power input to the Main Board.
UD4003(19", 26", 32")
UD5003(22", 40")
UD4003(19")
UD5003(22")
LD400 / LD403(32")
LD503(40")
MAIN BOARD
SMPS BOARD
MAIN BOARD
4. Troubleshooting
SMPS BOARD
T-CON
MAIN BOARD
SMPS BOARD
T-CON
4-1