4 Troubleshooting
4-1
4 Troubleshooting
4-1 No Power
Does proper DC 12V
appear at C820, C823?
Change a Assy PCB Power.
Yes
Yes
No
Check a connection a power cable.
No
Does proper DC A3.3V,
A5V appear at
C834, C830?
Check a IC816, IC815
Change a main PCB ass'y.
Yes
No
Does proper DC 5V, 3.3V,
1.8V appear at C813, C811,
C816?
Check a IC821, IC811
Change a main PCB ass'y.
Yes
A power is supplied to set?
Check a other function.
(No picture part)
Replace a lcd panel.
No
No
LAMP off, power indicator
LED red color?
Summary of Contents for LE23T51B
Page 6: ...1 Precautions 1 4 Memo ...
Page 27: ...4 Troubleshooting 4 3 WAVEFORMS 1 R G B Output Signal 3 Digital Output Data of IC310 ...
Page 29: ...4 Troubleshooting 4 5 WAVEFORMS 3 Digital Output Data of IC310 4 Signal of DVI Data ...
Page 31: ...4 Troubleshooting 4 7 WAVEFORMS 3 Digital Output Data of IC310 5 Tuner_CVBS Output Signal ...
Page 33: ...4 Troubleshooting 4 9 WAVEFORMS 3 Digital Output Data of IC310 5 Tuner_CVBS Output Signal ...
Page 35: ...4 Troubleshooting 4 11 3 Digital Output Data of IC310 6 Analog Signal Y C WAVEFORMS ...
Page 37: ...4 Troubleshooting 4 13 WAVEFORMS 7 The Signal are Inputed to IC610 8 DC 8V 9 Output WaveForm ...
Page 38: ...Memo 4 Troubleshooting 4 14 ...
Page 41: ...5 Exploded View Parts List 5 3 5 2 LE27T51B T0003 T0175 M0447 M0013 M0013 ...
Page 43: ...5 Exploded View Parts List 5 5 5 3 LE32T51B T0003 T0175 T0447 CIS M0002 M0216 ...
Page 63: ...7 Block Diagrams 7 2 Memo ...
Page 64: ...8 1 8 Wiring Diagrams 8 Wiring Diagram 8 1 LE23T51B LE27T51B LE32T51B Wiring Diagram ...
Page 65: ...8 Wiring Diagrams 8 2 8 2 Main Board Layout ...
Page 68: ...8 5 8 Wiring Diagrams ...
Page 69: ...8 Wiring Diagrams 8 6 8 4 Power Board Layout ...
Page 72: ...8 9 8 Wiring Diagrams ...
Page 75: ...8 Wiring Diagrams 8 12 Memo ...
Page 83: ...9 Schematic Diagrams 9 8 Memo ...
Page 85: ...10 2 Connection Panel 10 Operating Instructions and Installation 10 2 ...
Page 89: ...Memo 10 Operating Instructions and Installation 10 6 ...
Page 93: ...11 Disassembly and Reassembly 11 4 Memo ...
Page 95: ...12 PCB Layout 12 2 Memo ...
Page 100: ...13 Circuit Descriptions 13 5 13 3 5 27 SMPS Block Free_Volt ...
Page 102: ...13 Circuit Descriptions 13 7 13 3 8 27 SMPS Diagram 110V 220V Only ...
Page 103: ...13 Circuit Descriptions 13 8 13 3 9 32 SMPS Block Free_Volt 13 3 10 32 SMPS Diagram Free_Volt ...
Page 105: ...13 Circuit Descriptions 13 10 ...
Page 113: ...14 Reference Infomation 14 8 14 3 2 Supported Modes 1 ...
Page 114: ...14 Reference Infomation 14 9 14 3 3 Supported Modes 2 ...
Page 115: ...14 Reference Infomation 14 10 14 3 4 Supported Modes 3 ...