Filter
Top Products
Troubleshooting
4-2 Samsung Electronics
4-1-2 Checkpoints by Error Mode
"
"
No Power
Symptom
- The LEDs on the front panel do not work when connecting the power cord.
- The SMPS relay does not work when connecting the power cord.
- The units appears to be dead.
Major Checklist
The SMPS relay or the LEDs on the front panel does not work when connecting the power cord if the cables
are improperly connected or the Main Board or SMPS is not functioning. In this case, check the following:
- Check the internal cable connection status inside the unit.
- Check the fuses of each part.
- Check the output voltage of SMPS.
- Replace the Main Board.
Troubleshooting
Procedures
Is the AC IN socket connector and
the SMPS CN800 connected?
Insert the AC in connector and the
SMPS CN800 connector
Is the Fuse (F801S) of the SMPS
Power Input Part blown?
Replace Fuse (F801S)
Replace the SMPS
SMPS CN801
Pin 3 : STB 5V
Pin 2 PS-ON : Check to see if it is 0V
Replace the Main Board
#
#
$
Yes
No
Yes
No
No
Yes