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H9090 Home Theater Projector - User Manual
Maintenance and Troubleshooting
Table below provides some general guidelines for troubleshooting problems you may
encounter with the H9090. If the suggested solutions fail to resolve the problem or if you
encounter an issue not described here, please contact Vivitek Technical.
Troubleshooting Chart
LED lights solid red.
•
Fans are not working properly or
power-on self-test has failed (Note).
•
Power off the H9090 and allow it
to cool down. Turn the projector
back on. If the problem persists,
please contact Vivitek Technical
Support for assistance.
•
Note: You can obtain more detailed informa on about the same cause of the error condi on using TRS-232 commands
Symptom
!
Possible Cause (s)
!
Solution
!
The projector does not turn on.
!
!
•
The H9090 is not plugged in or the
AC outlet is not ac ve.
!
•
Ensure that the H9090 is
plugged in and that the AC
outlet is ac ve.
!
The remote control does not
work correctly.
!
•
The baeries have run out.
•
IR code set mismatch between
remote control unit and projector.
!
•
Replace the baeries
•
Press and hold the LIGHT and
ENTER remote control buons
simultaneously unl the
remote control back-lighng
“blinks” (approximately five
seconds). Then, try again.
!
The projector is on and OSD
menus appear, but there is no
video image on-screen.
!
•
Incorrect source selecon.
•
Source component is not turned
on.
•
Source component is connected
incorrectly or not at all.
!
•
Select the correct source.
•
Turn on the source.
•
Check cable connecon from
source component to
projector.
!
A projected image from a DVD
is split or otherwise scrambled.
!
•
DVD player is connected to the
Component input and set to
progressive scan mode.
!
•
Turn off progressive scan on
the DVD player.
!
Image is blurred.
!
•
The lens is not correctly focused.
!
•
Adjust the focus with the
remote control.
!
Image is too bright and/or lacks
definion in the bright areas of
the image.
!
•
Contrast is set too high.
!
•
Lower the contrast se ng.
!
Image appears “washed out”
and /or dark areas appear too
bright.
!
•
Brightness is set too high.
!
•
Lower the brightness se ng.
!
Colors in the image are
swapped; for example, reds
appear blue or vice versa.
!
•
The Red/Pr, Green/Y or Blue/Pb
•
outputs from the source are
connected
•
to the wrong inputs on the
•
H9090.
!
•
Ensure that the source outputs
are connected to the correct
H9090 input.
!
RGB-HD images appear “noisy”
•
Tracking and Phase se ngs need
adjustment.
•
Manually adjust Tracking and
Phase se ngs.
LED is flashing red.
•
H9090 internal temperature is too high
(Note).
•
Power off the H9090 and allow it
to cool down. Ensure that the
intake and exhaust vents are not
blocked. Turn the projector back
on. If the problem persists, please
contact Vivitek Technical Support
for assistance.
