4 Troubleshooting
4-1
4 Troubleshooting
4-1 First Checklist for Troubleshooting
1. Check the various cable connections first.
- Check to see if there is a burnt or damaged cable.
- Check to see if there is a disconnected cable connection or a connection is too loose.
- Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Main Board.
3. Check the voltage in and out between the SMPS Main Board, between the SMPS
INVERTER Board, and between the Main LVDS Boards.
Summary of Contents for LE23R86BD
Page 9: ...Memo 1 Precautions 1 4 ...
Page 25: ...11 Disassembly and Reassembly 11 6 Memo ...
Page 26: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 Main PCB Diagram FOR READY ...
Page 27: ...12 PCB Diagram 12 2 12 2 Main PCB Diagram FOR IDTV ...
Page 28: ...12 PCB Diagram 12 3 12 3 23 SMPS ...
Page 29: ...12 PCB Diagram 12 4 12 4 26 32 SMPS ...
Page 30: ...12 PCB Diagram 12 5 12 5 37 SMPS ...
Page 31: ...12 PCB Diagram 12 6 12 6 40 IP Board ...
Page 32: ...12 PCB Diagram 12 7 12 7 DIMMING BOARD ...
Page 33: ...12 PCB Diagram 12 8 Memo ...
Page 36: ...13 Circuit Descriptions 13 3 13 2 Main Block ...
Page 51: ...14 Reference Infomation 14 8 14 3 2 Supported Modes 1 ...
Page 52: ...14 Reference Infomation 14 9 14 3 3 Supported Modes 2 ...
Page 53: ...14 Reference Infomation 14 10 14 3 4 Supported Modes 3 ...
Page 59: ...Memo 14 Reference Infomation 14 16 ...
Page 71: ...2 Product Specifications 2 12 Memo ...
Page 89: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC2001 ...
Page 91: ...4 Troubleshooting 4 6 2 Digital Output Data of IC4001 3 Signal of HDMI Data ...
Page 93: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Page 95: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Page 305: ...7 Block Diagrams 7 2 Memo ...
Page 325: ...9 Schematic Diagrams 9 12 Memo ...