User guide
Table Of Contents
- For Your Records
- Getting Started
- Package Contents
- Important Safety Warnings
- Connect Input and Output Devices
- Installation Steps
- Adjusting the Projector Angle
- Projector Placement Distance
- Using The Projector
- Control Buttons
- OnView Indicators
- Setup Main Menu
- Input Menu
- Image Menu
- Options Menu
- Other Information
- Specifications
- Timing Chart
- Troubleshooting
- Power Indicator Lights
- Screen Messages
- Maintenance
- Lamp Replacement
- Installing Battery (for remote control)
- Cleaning Instructions
- Air-Filter
- Customer Support
- LIMITED WARRANTY
- VIEWSONIC Projector
- Appendix
- Power Cord Safety Guidelines
- FCC Information
13 ViewSonic PJ853
E
N
G
L
I
S
H
Troubleshooting
Nopower
• Make sure power button (or switch) is ON.
• Make sure A/C power cord is securely connected to a power outlet.
• Plug another electrical device (like a radio) into the power outlet to verify that the outlet is supplying proper voltage.
Power is on but projector is only displaying the logo
• Make sure the input source is connected.
Projector image is too dark or too light
• Adjust the Contrast and Brightness settings.
• Press Reset from the OnView
®
display menu to reset factory defaults.
Projector image is completely black (no light coming from the lamp)
• Make sure the lens cap has been removed.
• Make sure the power cord is connected and the unit is turned on. The LED should be steady green.
• Adjust Contrast and Brightness.
• The projector may have overheated. Let the unit cool down.
- Make sure ventilation openings are clear.
- Make sure air-filters are clean.
• Replace the lamp module.
The image appears unstable or misplaced
•PressAuto.
• Make sure the source has compatible resolution.
• If the projector is connected to a source with a non-standard computer or video card, adjust the frequency of the
computer signal.
The image is out of focus
• Adjust the focus.
• Make sure that the projection distance is at least 5 feet.
• Make sure the lens is clean.
• Adjust the H Phase.
Cooling fan is not working when the lamp is lit
Caution:
Do not operate the projector in this condition.
• Have the projector repaired by an authorized dealer.
The lamp shuts off
• A minor power surge may cause the lamp to shut off. Press the Power button twice to turn off the projector. Let the
projector cool down, then restart.
• The projector may have overheated. Allow the projector to cool down, then restart.
• Recheck the power cord connection.
• Replace the lamp module.
Projector does not respond to the remote control (or responds poorly)
• Make sure you are within 10 feet from the projector.
• Point the remote at the screen or at the front of the projector.
• Make sure the infrared sensors (on the front and on the back) of the projector are not blocked.
• Darken the room. The lighting may be affecting the remote control.
• Replace the battery.
No sound
• Adjust the Volume and make sure the Mute button is toggled to OFF.
• Verify that the audio input is properly connected.
• Adjust the audio source device.
No video
• Check the video input connections.
• Adjust the Brightness.
A bright dot appears in the picture
• This is a characteristic of liquid crystal technology and is usually not a problem.
PJ853-.book Page 13 Wednesday, August 16, 2000 11:41 AM