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#
Failure Analysis of Projector?
#
#
Symptom
No power
!" Main power is not turned on.
!" The power cord is unplugged.
!" Cables
No image
!" Brightness adjustment is set
No image of digital
!" Digital signal is not outputted
signal
!" Termination of video signal is
Bright portion of
image
is
likely
crushed.
!" Amplitude
!" Signals with similar timings
Adjustment status
varies.
!" The lamp is nearly dead.
Color is faint, or
tint is bad.
#
Probable cause
are
not
correctly
connected to the projector.
to the darkest position.
because computer signal is
run before connecting DVI
cable.
off.
of
input
signal is too high.
are
connected,
and
adjustment
data
may
overwritten.
Check to see
!" Turn the main power switch on.
!" Plug in the power cord securely.
!" Connect them correctly.
!" Check the following adjustments3
"# PICTURE (Brightness: Basic adjustment)
"# BLACK LEVEL (Black level: Basic
adjustment)
!" Check the
specifications
!" Correct video cable connection.
5 In case of computer signal 6
!" It is necessary to adjust the amplitude of
video
input signal with amplitude exceeding
0.75 V. Consult your dealer.
!" (1) Change the signal so that a different
the
scan mode is selected.
be
(2) Or set the scan mode to a different
number: Consult your dealer.
!" Verify lamp operation hours, using the
procedure on p.21. If the lamp is nearly
dead, it must be replaced.
!4#
!
Page
!" P 8
!" P 9
!" P 18
of computer.
!" P 9
!" P 20
!" P 21
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