Sharp PN-C703B Pen Software Operation Manual - Page 60

Troubleshooting If you are experiencing any problem with your display, before calling for service, please review the following troubleshooting tips. There is no picture or sound. • Is the power cord disconnected? (See page 14.) • Is the main power switch off? (See page 17.) • Is the monitor in standby mode (the power LED illuminating in orange)? (See page 17.) • Is an input mode selected that is appropriate for the input terminal to which the cable is connected? (See pages 24 to 25.) • If any external equipment is connected, make sure the equipment is operating (playing back). Remote control does not work. • Are the batteries inserted with polarity (+,-) aligned? (See page 15.) • Are the batteries exhausted? • Point the remote control unit toward the monitor's remote control sensor. (See page 15.) • Is the menu display hidden or is operation disabled? (See page 39.) Sound from left and right speakers is reversed. Sound is heard from only one side. • Are audio cables connected properly? (See page 13.) • Make sure audio cables for external speakers are connected properly: left and right cables may be reversed or one of the two cables may not be connected. (See page 13.) • Check the setting of BALANCE for AUDIO menu. (See page 31.) There is a picture but no sound. • Is the sound muted? • Make sure the volume is not set to minimum. • Are audio cables connected properly? • Is the setting of AUDIO SELECT on the SETUP menu correct? (See page 31.) • Is the setting for SPEAKER SELECT of AUDIO OPTION on the SETUP menu correct? (See page 31.) Unstable video. • The signal may be incompatible. • Try the automatic screen adjustment when D-SUB1[RGB] or D-SUB2 are used. • If the top and bottom of the image are not horizontally aligned, set TOUCH PANEL MODE on the MONITOR menu to OFF. • Is SCREEN MOTION set? (See page 35.) The video from the HDMI input terminal does not appear properly. • Is the setting for HDMI1/HDMI2/HDMI3 of INPUT SELECT on the SETUP menu correct? (See page 31.) • Is the HDMI cable HDMI standard compliant? The monitor will not work with cables that are not standard compliant. • Is the input signal compatible with this monitor? (See pages 64 to 65.) The video from D-sub1 input terminal does not appear correctly. • Is the setting for D-SUB1 of INPUT SELECT on the SETUP menu correct? (See page 31.) • Is the input signal compatible with this monitor? (See page 64.) The video from D-sub2 input terminal does not appear correctly. • Is the input signal compatible with this monitor? (See page 64.) The video from DisplayPort input terminal does not appear correctly. • Is the input signal compatible with this monitor? (See page 64.) • Is the DisplayPort cable DisplayPort standard compliant? The monitor will not work with cables that are not standard compliant. Control buttons do not work. There is no picture. • Load noises from outside may be interfering with normal operation. Turn off the power and turn it on after waiting at least 5 seconds, and then check the operation. The input mode changes automatically. • When CONNECT AUTO INPUT SELECT is ON, the input mode automatically changes to that terminal when a video signal is input into the input terminal. For this reason, the input mode may change when the computer wakes up from system standby. • When the NO SIGNAL AUTO INPUT SEL. is ON and no signal is present in a selected input mode, the monitor automatically changes the selected mode to a mode where a video signal is present. The input mode may change in the following cases: - When a computer is in standby mode. - When video play is stopped with a playback device. The touch panel does not respond. • Is the USB cable connected properly? (Touch pen Management Tool Operation Manual) • This monitor has 2 USB ports (for touch panel). The USB port (for touch panel) depends on the terminal to which the computer's video signal cable is connected. (See pages 13 and 32.) • Has Touch pen Management Tool been installed? (Touch pen Management Tool Operation Manual) • Has the pen tip of the touch pen become worn? Replace the pen tip. (See page 20.) • Is the battery inserted in the wrong orientation (+, -) in the touch pen? (See page 19.) • Is the touch pen battery exhausted? • Are touch pens that are supplied touch pens or optional PN-ZL03A used? "CAPACITIVE" "Bluetooth" is indicated on touch pens that can be used with this monitor. • If your finger is too dry, the screen may not respond. • Is foreign matter on the screen? Foreign matter on the screen may prevent correct operation. • Do not touch the screen when the monitor power is turned on, it will lead to a malfunction. When this occurs, turn the monitor power off and then on. • Touch actions cannot be performed while SCREEN MOTION is in operation. E 60