Runco VX-44D Projector User Manual


 
Maintenance and Troubleshooting
Runco VX-44d/-55d Installation/Operation Manual 81
PRE
L
IMINAR
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5.3
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the VX-44d/-55d. If the suggested solutions fail to resolve the problem or if
you encounter an issue not described here, please contact Runco Technical Support.
Table 5-1. Troubleshooting Chart
Symptom Possible Cause(s) Solution
The projector does not turn
on after initial installation.
The VX-44d/-55d is not
plugged in or the AC outlet
is not active.
The DHD Controller is not
plugged in or the AC outlet
is not active.
•The remote control
batteries have run out.
The serial connection from
the DHD Controller to the
VX-44d/-55d is incorrect.
Ensure that the
VX-44d/-55d is plugged in
and that the AC outlet is
active.
Ensure that the DHD
Controller is plugged in
and that the AC outlet is
active.
Replace the batteries.
Ensure that the RS-232
output from the DHD
Controller is properly
connected to the RS-232C
input on the VX-44d/-55d
(see
Figure 3-8).
The projector and DHD
Controller are both on, but
there is no picture and
on-screen menus do not
appear.
Lens cover is on or shutter
is closed.
Lamp failed to ignite.
Faulty or incorrect video
connection between the
DHD Controller and the
VX-44d/-55d.
Ensure that the lens cover
is off and the shutter is
open.
Ensure that the lamp door
is closed. If it is and the
problem persists, replace
the lamp.
Ensure that the HDMI
output from the DHD
Controller is properly
connected to Input 2 (DVI)
on the VX-44d/-55d (see
Figure 3-8).
The display is on and menus
appear, but there is no
picture.
Incorrect source selection.
Source component is not
turned on.
Source component is
connected incorrectly or
not at all.
Select the correct source.
Turn on the source
component.
Check connections from
source component to DHD
Controller.
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. Or,
connect the DVD player to
the HD1 or HD2 input.
Image appears “squeezed” or
vertically stretched into cen
-
ter of screen.
Incorrect aspect ratio
selection.
Select a different aspect
ratio.