Symptom; Table 11. Symptom - BOXLIGHT CP-634i User Manual

T T R R O O U U B B
T T R R O O U U B B

Symptom

Before requesting repair, consult the following chart. If the situation cannot be corrected, then
contact BOXLIGHT at 800-762-5757 or 360-779-7901.

Table 11. Symptom

Symptom
The power is not
turned on.
No video or audio.
Video is present but
no audio.
Audio is present but
no video.
Colors are pale and
color matching is
poor.
Images are dark.
Video is blurred.
ENGLISH-22 ENGLISH-22
L L E E S S H H O O O O
L L E E S S H H O O O O
Possible cause
The main power switch is not
turned on.
The power cord is
disconnected.
The main power was
disconnected during operation
by the power failure and so on.
The input is not correctly set.
No signal input.
The projector is not correctly
connected.
The volume is set to minimum.
Mute is turned on.
The projector is not correctly
connected.
The brightness adjustment knob
is rotated fully clockwise.
The lens cap is still attached.
Color density and color
matching are not correctly
adjusted.
Brightness and contrast are not
correctly adjusted.
The lamp is nearing the end of
its service life.
WHISPER mode is set.
Focus or H PHASE is out of
adjustment.
T T I I N N G G ( ( c c
T T I I N N G G ( ( c c
Turn on the main power switch.
Plug the power cord into an AC
power outlet.
Turn off the projector with the main
power switch (set the power switch
to [O]), and wait for about 20
minutes. When the equipment has
cooled enough, turn power on.
Use the projector or remote control
transmitter to set.
Connect correctly.
Connect correctly.
Press VOLUME
control or display the menu screen
and adjust the volume.
Press the MUTE
Connect correctly.
Select BRIGHT with the MENU
button and the press the
Remove the lens cap.
Adjust the video.
Adjust the video.
Replace with a new lamp.
Clear WHISPER mode.
Adjust the focus or H PHASE.
o o n n t t i i n n u u e e
o o n n t t i i n n u u e e
Remedy
on the remote
button.
button.
d d ) )
d d ) )
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