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 DC5V, 3.3V, 1.8V
appear at C1015, C1194,
C1109?
Check a IC1018, IC1011, IC1002.
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?
Summary of Contents for LE32N71B
Page 3: ...Contents ...
Page 4: ...Contents ...
Page 17: ...Memo 10 Operating Instructions and Installation 10 6 ...
Page 23: ...11 Disassembly and Reassembly 11 6 Memo ...
Page 27: ...Memo 1 Precautions 1 4 ...
Page 35: ...14 Reference Infomation 14 8 14 3 2 Supported Modes 1 ...
Page 36: ...14 Reference Infomation 14 9 14 3 3 Supported Modes 2 ...
Page 37: ...14 Reference Infomation 14 10 14 3 4 Supported Modes 3 ...
Page 47: ...3 Alignments and Adjustments 3 4 ...
Page 48: ...3 Alignments and Adjustments 3 5 ...
Page 53: ...Memo 3 Alignments and Adjustments 3 10 ...
Page 57: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC500 ...
Page 59: ...4 Troubleshooting 4 6 2 Digital Output Data of IC500 3 Signal of HDMI Data ...
Page 61: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Page 63: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Page 65: ...4 Troubleshooting 4 12 2 Digital Output Data of IC500 5 Analog Signal Y C to IC500 WAVEFORMS ...
Page 67: ...4 Troubleshooting 4 14 WAVEFORMS 6 The Signal are Inputed to IC1015 7 DC 12V ...
Page 69: ...7 Block Diagrams 7 2 Memo ...
Page 72: ...13 Circuit Descriptions 13 3 13 2 Main Block FRC OPTION BLOCK ...
Page 73: ...13 Circuit Descriptions 13 4 13 3 IP Board ...
Page 81: ...9 Schematic Diagrams 9 8 Memo ...
Page 82: ...8 1 8 Wiring Diagrams 8 Wiring Diagram 8 1 LE32N71BX LE40N71BX LE46N71BX Wiring Diagram ...
Page 83: ...8 Wiring Diagrams 8 2 8 2 Main Board Layout ...
Page 87: ...8 Wiring Diagrams 8 6 8 4 Power Board Layout ...
Page 90: ...8 9 8 Wiring Diagrams ...
Page 93: ...8 Wiring Diagrams 8 12 Memo ...