51
When You Suspect a Problem
Image is darkNo sound can be heard
Does the lamp need replacement? When the lamp is due for replacement, colors will weaken and the image will
become dark. Replace the lamp when this is the case. See Lamp replacement
period” on page 56.
Has the image brightness been adjusted
correctly? ([Menu] button “Image” “Picture
Quality” “Brightness”)
See Image menu” on page 36.
Has the image contrast been adjusted correctly?
([Menu] button “Image” “Picture Quality”
“Contrast”)
See Image menu” on page 36.
Is A/V Mute activated? The projector may be in A/V Mute mode.
Press the [A/V Mute] button on the remote control to cancel A/V Mute. See A/V
Mute” on page 30.
Is the volume turned down to the minimum
setting? ([Menu] button “Setting” “Volume”) See Setting menu” on page 39.
Is the audio source connected correctly? See Playing sound from a computer” on page15, "Playing sound from video
equipment" P.21.