Sony HMD-A100 Operating Instructions - Page 14

Trouble symptoms and remedies If the problem is caused by the connected computer or other equipment, please refer to the connected equipment's instruction manual. Use the self-diagnosis function (page 16) if the following recommendations do not resolve the problem. Symptom No picture If the 1 (power) indicator is not lit If the NO INPUT SIGNAL message appears on the screen, or if the 1 (power) indicator is either orange or alternating between green and orange If the OUT OF SCAN RANGE message appears on the screen If no message is displayed and the 1 (power) indicator is green or flashing orange Check these items • Check that the power cord is properly connected. • Check that the 1 (power) switch is in the "on" position. • Check that the video signal cable is properly connected and all plugs are firmly seated in their sockets (page 6). • Check that the HD15 video input connector's pins are not bent or pushed in. xProblems caused by the connected computer or other equipment • The computer is in power saving mode. Try pressing any key on the computer keyboard. • Check that the computer's power is "on." • Check that the graphic board is completely seated in the proper bus slot. xProblems caused by the connected computer or other equipment • Check that the video frequency range is within that specified for the monitor. If you replaced an old monitor with this monitor, reconnect the old monitor and adjust the frequency range to the following. Horizontal: 30 - 70 kHz Vertical: 48 - 120 Hz • Use the Self-diagnosis function (page 16). If using a Macintosh system Picture flickers, bounces, oscillates, or is scrambled • Check that the Macintosh adapter (not supplied) and the video signal cable are properly connected (page 6). • Isolate and eliminate any potential sources of electric or magnetic fields such as other monitors, laser printers, electric fans, fluorescent lighting, or televisions. • Move the monitor away from power lines or place a magnetic shield near the monitor. • Try plugging the monitor into a different AC outlet, preferably on a different circuit. • Try turning the monitor 90° to the left or right. Picture is fuzzy Picture is ghosting xProblems caused by the connected computer or other equipment • Check your graphics board manual for the proper monitor setting. • Confirm that the graphics mode (VESA, Macintosh 16" Color, etc.) and the frequency of the input signal are supported by this monitor (Appendix). Even if the frequency is within the proper range, some video boards may have a sync pulse that is too narrow for the monitor to sync correctly. • Adjust the computer's refresh rate (vertical frequency) to obtain the best possible picture. • Adjust the brightness and contrast (page 10). • Degauss the monitor* (page 12). • Decrease the moire cancellation effect (page 12). • Eliminate the use of video cable extensions and/or video switch boxes. • Check that all plugs are firmly seated in their sockets. 14