4 Troubleshooting4-14 Troubleshooting4-1 No Power (17", 19")When Pin 4 of CN600 is 0Vdoes proper DC 13V, 5Vappear at Pin 5 and 6, 7 ofCN600 separately?Change IP Board.Check Function Ass'y.YesYesNoWhen Pin 1 of IC600 is DC 5Vdoes proper DC 3.3V appear atPin 3 of IC600?Check IC600 and related circuit.YesNoWhen Pin3 of IC602 is DC 3.3Vdoes proper DC1.8V appear atPin2 of IC602?Check IC602 and related circuit.No* All locations of this page includes Main PBA.Notes: 1. Before troubleshooting, setup the PC 's display as below.• Resolution: 1024 x 768• H-frequency: 61 kHz• V-frequency: 75 Hz2. If no picture appears, make sure the power cord is correctly connected.3. Check the following circuits.• No raster appears: Function PBA, Main PBA, I/P PBA• 5V develop but no screen: Main PBA• 5V does not develop: I/P PBA4. If you push and hold the " (Enter/Source)" button for more than 5 seconds, the monitorautomatically returns to the factory preset.Downloaded from www.Manualslib.com manuals search engine