4 Troubleshooting
4-5
4-3 No DVI Video
Does the LED light up when
turn on the power?
Check the power port.
YES
NO
Does 5 V appear at Pin 14 and
16 of CN101 DVI port?
Check the cable connection.
NO
Does the wave form as the figure
appear at R161(DVI_SCL)
and R162(DVI_SDA) ?
Replace the main board.
NO
Does the signal appear at
RA107(R), RA102(G), and
RA105(B)?
IC105 is abnormal. Replace the
main board.
NO
Check the cable between the
main board and panel
and replace the LCD panel.
YES
YES
Does the TX** signal appear at
Pin 14 and 15 of CN403?
The Scaler (IC408) is abnormal.
Replace the main board.
NO
YES
YES
7
8
Summary of Contents for 570DX - SyncMaster - 57" LCD Flat Panel Display
Page 1: ...SERVICE Manual TFT LCD Monitor Feature LCD Monitor Chassis Model LS57BPP 570DX 570DXN ...
Page 13: ...3 Alignment and Adjustments 3 11 5 Yes Click 6 OK Click ...
Page 28: ...7 Block Diagrams 7 2 7 2 1 Main Power Block ...
Page 29: ...7 Block Diagrams 7 3 7 2 SMPS Board ...
Page 30: ...7 Block Diagrams 7 4 Memo ...
Page 68: ...10 Operating Instructions and Installation 10 10 Memo ...
Page 74: ...Memo 1 Precautions 1 4 ...
Page 102: ...14 Reference Infomation 14 22 Memo ...
Page 104: ...4 Troubleshooting 4 2 WAVEFORMS 1 2 4 3 CN602 C653 C603 C622 ...
Page 106: ...4 Troubleshooting 4 4 5 5 6 6 WAVEFORMS CN403 C603 IC103 CN101 ...
Page 108: ...4 Troubleshooting 4 6 7 8 WAVEFORMS CN403 RA102 105 107 CN101 R161 R162 ...
Page 110: ...4 Troubleshooting 4 8 5 6 WAVEFORMS 9 10 CN403 ZD109 IC103 ZD110 113 ...
Page 112: ...4 Troubleshooting 4 10 WAVEFORMS CN403 R1011 R1013 ZD110 113 ZD109 11 1 12 1 13 ...
Page 114: ...4 Troubleshooting 4 12 WAVEFORMS CN403 L101 14 ...
Page 116: ...8 Wiring Diagram 8 2 Memo ...
Page 118: ...9 Schematic Diagram 9 2 9 1 2 Main board Schematics Diagram SOUND ...
Page 119: ...9 3 9 Schematic Diagram 9 1 3 Main board Schematics Diagram SCALER ...
Page 120: ...9 Schematic Diagram 9 4 9 1 4 Main board Schematics Diagram Power Tuner Option ...
Page 121: ...9 5 9 Schematic Diagram 9 1 5 SMPS Schematics Diagram 1 ...
Page 122: ...9 Schematic Diagram 9 6 9 1 6 SMPS Schematics Diagram 2 ...