NEC NP3200 User Manual

Also see for NP1200 Series: Control commands Command guide Command guide Supplementary guide Technical data sheet

Contents

NEC NP3200 User Manual Manual pdf 109 page image

988 Troubleshooting Check ListBefore contacting your dealer or service personnel, check the following list to be sure repairs are needed also byreferring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problemmore efficiently.* Print this page and the next page for your check.8. AppendixNo image is displayed from your PC or video equipment to theprojector�Still no image even though you connect the projector to thePC first, then start the PC�Enabling your notebook PC’s signal output to the projector�• A combination of function keys will enable/disable theexternal display. Usually, the combination of the “Fn” keyalong with one of the 12 function keys turns the externaldisplay on or off.No image (blue or black background, no display)�Still no image even though you press the AUTO ADJUSTbutton�Still no image even though you carry out [RESET] in theprojector’s menu�Signal cable’s plug is fully inserted into the input connectorA message appears on the screen�( _____________________________________________ )The source connected to the projector is active and available�Still no image even though you adjust the brightness and/orthe contrast�Input source’s resolution and frequency are supported by theprojector�Frequency of occurrence  always  sometimes (How often?_____________________)  other (__________________)PowerNo power (POWER indicator does not light green) See also“Status Indicator (STATUS)”�Power cable’s plug is fully inserted into the wall outlet�Main power switch is pressed to the ON position�Lamp cover is installed correctly �Lamp Hours Used (lamp operation hours) was cleared afterlamp replacement�No power even though you press and hold the POWER but-ton for 1 second�Shut down during operation�Power cable’s plug is fully inserted into the wall outlet�Lamp cover is installed correctly �[AUTO POWER OFF] is turned off (only models with the[AUTO POWER OFF] function)�[OFF TIMER] is turned off (only models with the [OFFTIMER] function)�Video and AudioImage is too dark�Remains unchanged even though you adjust the brightnessand/or the contrast�Image is distorted�Image appears to be trapezoidal (unchanged even thoughyou carry out the [KEYSTONE] adjustment)�Parts of the image are lost�Still unchanged even though you press the AUTO ADJUSTbutton�Still unchanged even though you carry out [RESET] in theprojector’s menu�Image is shifted in the vertical or horizontal direction�Horizontal and vertical positions are correctly adjusted on acomputer signal�Input source’s resolution and frequency are supported by theprojector�Some pixels are lost�Image is flickering�Still unchanged even though you press the AUTO ADJUSTbutton�Still unchanged even though you carry out [RESET] in theprojector’s menu�Image shows flickering or color drift on a computer signal�Still unchanged even though you change [FAN MODE] from[HIGH ALTITUDE] to [AUTO]�Image appears blurry or out of focus�Still unchanged even though you checked the signal’s resolu-tion on PC and changed it to projector’s native resolution�Still unchanged even though you adjusted the focus�No sound�Audio cable is correctly connected to the audio input of theprojector�Still unchanged even though you adjusted the volume level�AUDIO OUT is connected to your audio equipment (onlymodels with the AUDIO OUT connector)�OtherRemote control does not work�No obstacles between the sensor of the projector and theremote control�Projector is placed near a fluorescent light that can disturbthe infrared remote controls�Batteries are new and are not reversed in installation�Buttons on the projector cabinet do not work (only models withthe [CONTROL PANEL LOCK] function)[CONTROL PANEL LOCK] is not turned on or is disabled inthe menu�Still unchanged even though you press and hold the EXITbutton for a minimum of 10 seconds�Downloaded From projector-manual.com NEC Manuals