Sunday, July 03, 2016

Samsung UE26D4003 LED LCD TV Troubleshooting

Applicable to: Samsung LE32D400E1W, LE32D40 * E2W, LE40D50 F7W * UE40D500 * BW, UE26D400 * BW, BW UE32D400 * UE22D500 * BW, BW UE19D400 
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.
The IP 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.
Audio is normal but no picture is displayed on the screen.
- Check the HDMI source.
- Check the HDMI switch, Check the Main Chipset.
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Audio is normal but no picture is displayed on the screen.
- Check the Tuner CVBS source.
- Check the Tuner, Check the Main Chipset.
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Audio is normal but no picture is displayed on the screen.
- Check the DTV source.
- Check the Tuner, Check the Main Chipset.
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Audio is normal but no picture is displayed on the screen.
- Check the Video CVBS source
- Check the Main Chipset.
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Video is normal but there is no sound.
- When the speaker connectors are disconnected or damaged.
- When the sound processing part of the Main Board is not functioning.
- Speaker defect
No Power
- 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
The IP 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.