4 Troubleshooting
4-2
4-2-1 No Power
4-2 Checkpoints by Error Mode
Does proper DC 12V
appear at CM801?
Change a Assy PCB Power.
Yes
Yes
No
Check a connection a power cable.
No
Does proper DC A3.3V,
A5V appear at
C1059, C1167?
Check a IC1008, IC1004.
Change a main PCB ass'y.
Yes
No
Does proper DC 5V, 3.3V,
1.9V appear at C1015, C1194,
C6026?
Check a IC1015, IC812, IC1002, IC606,
IC818. 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 blue color?
Содержание LE40M91B
Страница 3: ...Contents ...
Страница 4: ...Contents ...
Страница 27: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC500 ...
Страница 29: ...4 Troubleshooting 4 6 2 Digital Output Data of IC500 3 Signal of HDMI Data ...
Страница 31: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Страница 33: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Страница 35: ...4 Troubleshooting 4 12 2 Digital Output Data of IC500 5 Analog Signal Y C to IC500 WAVEFORMS ...
Страница 37: ...4 Troubleshooting 4 14 WAVEFORMS 6 The Signal are Inputed to IC1015 7 DC 12V ...
Страница 68: ...7 Block Diagrams 7 1 7 Block Diagram This Document can not be used without Samsung s authorization ...
Страница 69: ...8 1 8 Wiring Diagrams 8 Wiring Diagram 8 1 LE40M91BX Wiring Diagram ...
Страница 70: ...8 Wiring Diagrams 8 2 8 2 Main Board Layout ...
Страница 74: ...8 Wiring Diagrams 8 6 8 4 Power Board Layout ...
Страница 77: ...8 9 8 Wiring Diagrams ...
Страница 81: ...9 Schematic Diagrams 9 2 9 2 Input Output Schematic Diagram ...
Страница 82: ...9 Schematic Diagrams 9 3 9 3 Input Output Schematic Diagram ...
Страница 83: ...9 Schematic Diagrams 9 4 9 4 Micom Schematic Diagram ...
Страница 84: ...9 Schematic Diagrams 9 5 9 5 SVP PX Schematic Diagram ...
Страница 85: ...9 Schematic Diagrams 9 6 9 6 Application Schematic Diagram ...
Страница 86: ...9 Schematic Diagrams 9 7 9 7 FRCH 100Hz LVDS Schematic Diagram ...
Страница 87: ...9 Schematic Diagrams 9 8 Memo ...
Страница 98: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 Main PCB Layout ...
Страница 99: ...12 PCB Diagram 12 2 12 2 SMPS PCB Layout ...