4-1
4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
Set custom mode as follows before beginning a repair.
• Resolution: 1440 x 900
• H-frequency: 60 kHz
• V-frequency: 56 Hz
If the screen is blank, check whether the power cord is connected correctly.
The circuits to check:
• When the raster does not appear: The Function PCB, Main PCB, I/P PBA
• When 5V is generated but a blank screen is displayed: Main PCB
• When 5V is not generated: I/P PBA
“Press the MENU button and hold down the, “
(Enter, Source)” button for more than five (5) seconds to return the monitor to
factory mode.
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Summary of Contents for SyncMaster T190G
Page 9: ...3 6 3 Disassembly and Assembly Memo ...
Page 24: ...1 4 1 Precautions Memo ...
Page 28: ...2 4 2 Product specifications Memo ...
Page 31: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on ...
Page 33: ...4 5 4 Troubleshooting 4 3 1 When a blank screen is displayed Analog ...
Page 34: ...4 6 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog ...
Page 36: ...4 8 4 Troubleshooting 4 4 1 Circuit diagrams when a blank screen is displayed Digital ...
Page 37: ...4 9 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed Digital ...
Page 50: ...6 4 6 Wiring Diagram Memo ...
Page 53: ...7 3 7 Schematic Diagram 7 4 Schematic Diagrams IP Board SMPS Part ...
Page 54: ...7 4 7 Schematic Diagram Inverter Part ...
Page 56: ...7 6 7 Schematic Diagrams Memo ...