4 Troubleshooting
4-2
4-2-1 No Power
4-2 Checkpoints by Error Mode
Does proper DC 13V appear
at CN1001.
Change a Assy PCB Power.
Yes
Yes
No
Check a connection a power cable.
No
Does proper DC A5V appear
at C1085?
Check IC1020. Change a main PBA.
Yes
No
Does proper DC 3.3V, 1.2v
appear at C1113, C1055?
Check IC 1023, IC1005.
Change a main PBA.
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 LE19R86BD
Page 3: ...Contents ...
Page 4: ...Contents ...
Page 19: ...3 Alignments and Adjustments 3 14 Memo ...
Page 21: ...7 Block Diagrams 7 2 Memo ...
Page 23: ...13 Circuit Descriptions 13 2 13 2 Main Block ...
Page 25: ...13 Circuit Descriptions 13 4 Memo ...
Page 31: ...11 Disassembly and Reassembly 11 6 Memo ...
Page 62: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 19 Main PCB Diagram ...
Page 63: ...12 PCB Diagram 12 2 12 3 19 IP SMPS ...
Page 67: ...Memo 1 Precautions 1 4 ...
Page 87: ...Memo 14 Reference Infomation 14 16 ...
Page 97: ...Memo 9 Schematic Diagrams 9 10 ...
Page 101: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC5002 6003 ...
Page 103: ...4 Troubleshooting 4 6 2 Digital Output Data of IC5002 IC6003 3 Signal of HDMI Data ...
Page 105: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Page 107: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Page 111: ...4 Troubleshooting 4 14 WAVEFORMS 6 The Signal are Inputed to IC8005 7 DC 12V ...
Page 117: ...8 Wiring Diagrams 8 6 Memo ...