BenQ PB9200 - Manual (Page 51)

Troubleshooting 45
Phenomena That May Easily Be Mistaken For
Machine Defects (continued)
Phenomenon Cases not involving a machine defect
Referenc
e pages
Pictures are
displayed, but no
sounds are heard.
The signal cables are not correctly connected.
Correctly connect the connection cables.
8 , 9
The volume is adjusted to an extremely low level.
Adjust the VOLUME to a higher level.
18 , 32
The sound is muted.
Press the MUTE button to restore the sound.
18
The audio input is not correctly selected when the child
window is displayed.
Correctly select the audio input.
20
Sounds are heard,
but no pictures are
displayed.
The lens cap is attached.
Remove the lens cap.
3
The signal cables are not correctly connected.
Correctly connect the connection cables.
8 , 9
The brightness is adjusted to an extremely low level.
Adjust the BRIGHT to a higher level using the menu func-
tion.
22
The screen is blanked.
Press the BLANK button to return to the input signal
screen.
18
Colors have a
faded- out
appearance, or
Color tone is poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR BAL
R, COLOR BAL G, COLOR BAL B, COLOR and/or TINT
settings, using the menu functions.
23
Pictures appear
dark.
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust the BRIGHT and/or CONTRAST settings to a
higher level using the menu function.
22
The WHISPER function is working.
Select the NORMAL to the item WHISPER in the MAIN
menu.
22
The lamp is approaching the end of its product lifetime.
Replace the lamp.
36 , 37
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are
not properly.
Adjust the focus using the focus buttons, and/or H PHASE
using the menu function.
15
The lens is dirty or misty.
Clean the lens by referring to the section “Caring For The
Lens”.
39
Input signal
changes with no
operation.
The INPUT dial is set between the click points.
Turn the INPUT dial and set it at a click point.
15
PB9200-e.book Page 45 Thursday, May 27, 2004 2:15 PM