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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 GBP23SEN
Page 9: ...Memo 1 Precautions 1 4 ...
Page 17: ...2 Product Specifications 2 8 Memo ...
Page 35: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC2001 ...
Page 37: ...4 Troubleshooting 4 6 2 Digital Output Data of IC4001 3 Signal of HDMI Data ...
Page 39: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Page 41: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Page 85: ...7 Block Diagrams 7 2 Memo ...
Page 105: ...9 Schematic Diagrams 9 12 Memo ...
Page 121: ...11 Disassembly and Reassembly 11 6 Memo ...
Page 122: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 Main PCB Diagram FOR READY ...
Page 123: ...12 PCB Diagram 12 2 12 2 Main PCB Diagram FOR IDTV ...
Page 124: ...12 PCB Diagram 12 3 12 3 23 SMPS ...
Page 125: ...12 PCB Diagram 12 4 12 4 26 32 SMPS ...
Page 126: ...12 PCB Diagram 12 5 12 5 37 SMPS ...
Page 127: ...12 PCB Diagram 12 6 12 6 40 IP Board ...
Page 128: ...12 PCB Diagram 12 7 12 7 DIMMING BOARD ...
Page 129: ...12 PCB Diagram 12 8 Memo ...
Page 132: ...13 Circuit Descriptions 13 3 13 2 Main Block ...
Page 147: ...14 Reference Infomation 14 8 14 3 2 Supported Modes 1 ...
Page 148: ...14 Reference Infomation 14 9 14 3 3 Supported Modes 2 ...
Page 149: ...14 Reference Infomation 14 10 14 3 4 Supported Modes 3 ...