Troubleshooting
6-2
Samsung Electronics
6-2 Checkpoints by Error Mode
6-2-1 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 power of the unit seems to be out of order.
Major Checklist
The SMPS relay or the LEDs on the front panel do not work when connecting the power cord if the cables are improperly
connected or the Main Board or SMPS is out of order. 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
Are the AC IN socket connector
and the Main SMPS CN800 connected?
Is the Fuse (F101) of the Main SMPS
Power Input Part blown?
Check Main SMPS 804-1
Pin 10 : STB 5V = 5V
Pin 8 : PS-ON = 0V
Replace the Main Board
Connect The AC IN socket connector
and the Main SMPS CN800
Replace the Main SMPS
Replace the Main SMPS
Summary of Contents for HPS5033 - 50" Plasma TV
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Page 139: ...Circuit Description 13 18 Samsung Electronics Scan_l Even_Scan Y Sustain ...
Page 140: ...Circuit Description Samsung Electronics 13 19 Attachment 2 X Output Waveform X Sustain ...
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