Runco D-73D Home Theater Screen User Manual


 
Maintenance and Troubleshooting
D-73d Series Installation/Operation Manual 99
PRE
L
IMINAR
Y
The “right-eye” optical engine
does not turn on or respond to
user commands. The vacuum
fluorescent display on the Pri-
mary DHD Controller front
panel displays the following
message:
Secondary Display Error
Communication Failure
The serial connection from
the Secondary DHD
Controller to the “right-eye”
optical engine on the
display is incorrect or the
cable is faulty.
Ensure that the
Display Control (RS-232)
output from the Secondary
DHD Controller is properly
connected to the display
(see Figure 3-14).
Neither the Secondary DHD
Controller nor the “right-eye”
optical engine turns on or
responds to user commands.
The vacuum fluorescent dis-
play on the Primary DHD Con-
troller front panel displays the
following message:
Secondary DHD Error
Communication Failure
The serial connection from
the Primary DHD Controller
to the Secondary DHD
Controller is incorrect or the
cable is faulty.
Ensure that the RS-232 (To
Accessory Box)
connectors on the Primary
and Secondary DHD
Controllers are connected
to each other, using a
known-good, “null-modem”
(cross-over) cable (see
Figure 3-15).
The 3Dimension Processor
does not turn on or respond to
user commands. The vacuum
fluorescent display on the Pri-
mary DHD Controller front
panel displays the following
message:
BAE Error
Communication Failure
The HDMI CEC connection
from the Primary DHD
Controller to the
3Dimension Processor is
incorrect or the cable is
faulty.
Ensure that the HDMI 1
input on the Primary DHD
Controller is connected to
the Left HDMI output on
the 3Dimension Processor,
using a known-good HDMI
cable (see Figure 3-15).
The display and DHD Control-
ler both turn on, but there is no
picture and on-screen menus
do not appear.
Faulty or incorrect video
connection from one or
both DHD Controllers to
the display.
Ensure that the HDMI
outputs from both DHD
Controllers are properly
connected to the display
(see Figure 3-14).
Try a known-good and/or
shorter HDMI cable.
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
the source component to
the 3Dimension Processor.
Image is too bright and/or
lacks definition in the bright
areas of the image.
Contrast is set too high. Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
Brightness is set too high. Lower the brightness
setting.
Table 5-1. Troubleshooting Chart (continued)
Symptom Possible Cause(s) Solution