Sharp XG-C455W Owners Manual for XG-C455W - Page 68
Troubleshooting
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Troubleshooting Problem No picture and no sound or projector does not start. Sound is heard but no picture appears. Check • Projector power cord is not plugged into the wall outlet. • Power to the external connected devices is off. • The selected input mode is wrong. • The AV MUTE function is working. • Cables incorrectly connected to the rear panel of the projector. • Remote control batteries have run out. • External output has not been set when connecting notebook computer. • The filter cover, lamp unit cover or lamp housing cover is not installed correctly. • If the connected DVI digital equipment is turned on before the "DVI-D" input mode is selected on the projector, the image may not be projected properly or may not be displayed at all. Ensure that the appropriate input mode has been selected on the projector before you turn on the connected equipment. • Cables incorrectly connected to the rear panel of the projector. • "Bright" is set to minimum position. • Depending on the computer you are using, an image may not be projected unless the signal output setting of the computer is switched to the external output. Refer to the computer's operation manual for how to switch its signal output settings. Page 30 - 34 34 23-29 15 23 60 24 23-29 45 - Color is faded or poor. Picture is blurred; noise appears. Picture appears but no sound is heard. • Image adjustments are incorrectly set. (Video, S-Video Input only) • Video input system is incorrectly set. (COMPUTER/COMPONENT 1, 2, DVI-D only) • Input signal type (RGB/Component) is incorrectly set. • Adjust the focus. • The projection distance exceeds the focus range. • There is fog on the lens. If the projector is carried from a cold room into a warm room, or if it is suddenly heated, condensation may form on the surface of the lens and the image will become blurred. Please set up the projector at least one hour before it is to be used. If condensation should form, remove the power cord from the wall outlet and wait for it to clear. (Computer Input only) • Perform "SIG-ADJ" Adjustments. ("Clock" Adjustment) • Perform "SIG-ADJ" Adjustments. ("Phase" Adjustment) • Noise may appear depending on the computer. • Cables incorrectly connected to the rear panel of the projector. • Volume is set to minimum. • When the projector is connected to an external device and the volume is set to minimum, the sound is not output even if you turn up the volume of the external device. • "Speaker" is set to "Off". 45 48 47 33 19 - 47 47 - 23-29 34 51 Data image is not centered. -66 • Make the necessary adjustments of each item in the "SIG-ADJ" 47 menu. • Depending on the computer you are using, the output resolution - signal may be different from the one you have set. For details, refer to the operation manual of the computer.