50
Maintenance &
Troubleshooting
Troubleshooting
Check
• Projector power cord is not plugged into the wall outlet.
• Selected input is wrong. (See page 23.)
• Cables incorrectly connected to back panel of the projector. (See pages 13–15.)
• Remote control batteries have run down. (See page 11.)
• “Contrast” and “Brightness” adjustments are set to minimum position. (See page 29.)
• “Color” and “Tint” adjustments are not correct. (See page 29.)
• Adjust the focus. (See page 17.)
• Projection distance is too long or too short to allow for proper focus. (See pages 20 and 21.)
• OSD Display is set to “Level A” or “Level B”, preventing to display some or all On-screen
Displays. (See page 37.)
• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature
changes. This will not affect operation or performance.
• Refer to “Lamp/Maintenance Indicators” on page 45.
• Adjust the “Phase” setting. (See page 32.)
• Noise may appear when used with certain computers. Set the NOISE FILTER to ON
using the RS-232C command. (See pages 52–54.)
• Change the input signal type. (See page 31.)
Problem
No picture appears.
Colour is faded or poor.
Picture is blurred.
No OSD appears.
An unusual sound is occasion-
ally heard from the cabinet.
Maintenance indicator lights
up.
Picture noise appears.
Image is green on INPUT 1 or
2 COMPONENT.
Image is pink (no green) on
INPUT 1, 2 RGB.
