Hitachi CP-SX635 User Manual – Operating Manual page 73

Phenomena that may be easily mistaken for machine defects (continued)
Phenomenon
Video screen
display freezes.
Colors have a
faded- out
appearance, or
Color tone is
poor.
Pictures appear
dark.
Pictures appear
blurry.
Pictures are
trembling.
NOTE
• Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
Cases not involving a machine defect
The FREEZE function is working.
Press the FREEZE button to restore the screen to normal.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR
TEMP, COLOR, TINT and/or COLOR SPACE settings,
using the menu functions.
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,
SMPTE240, REC709 or REC601.
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a
higher level using the menu function.
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP
menu.
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE
using the menu function.
The lens is dirty or misty.
Clean the lens referring to the section "Caring for the lens".
The exhaust ventilation holes at front is blocked by
some objects.
Remove any objects from front side of the projector.
Troubleshooting
Reference
page
21
26, 28,
32
32
26
26, 37
63, 64
19, 31
67
4
73