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Maintenance and Troubleshooting
48 Runco CR-26HD/CR-32HDi Owner’s Operating Manual
PRE
L
IMINAR
Y
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.
Black or white dots appear on
all channels or a specific
channel.
• Antenna or cable TV
source is connected
incorrectly or not at all.
• Broadcast signal is weak.
• Check the antenna or
cable TV connection.
• If using an off-air antenna,
adjust its position or
location.
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
Crystal Series LCD
Display.
• Ensure that the source
outputs are connected to
the correct Crystal Series
LCD Display input.
RGB images appear “noisy.” • Clock and Phase settings
need adjustment.
• Manually adjust Clock and
Phase settings, or perform
an Auto-Adjust (refer to
PC
Mode Adjust on
page 35).
“Out of range” appears
on-screen.
• The resolution and
frequency of the video
card in the computer are
not compatible with the
Crystal Series LCD
Display.
• Select a compatible
resolution and vertical
frequency (refer to
Computer/Video Signal
Compatibility on
page 56).
The image is too large or too
small.
• Image size needs
adjusting.
• Adjust the image size (refer
to
PC Mode Adjust on
page 35).
Poor broadcast sound quality. • The sound quality of a
stereo broadcast may be
unstable in an area with a
weak signal.
•Use the MTS/SAP button
on the remote control to
select mono.
Table 5-1. Troubleshooting Chart (continued)
Symptom Possible Cause(s) Solution