Troubleshooting Guide - RCA RNSMU5536 Instruction Manual

SYMPTOM
lV
Bad Picture (snow,
multiple images
distortion.blurry)
No sound.
Black and White
pictu陪．
No picture or sound.
c。lored
patches of
picture.
TROUBLESHOOTING GUIDE
CAUSE (AND REMEDY)
• Check the
I。但 tion
of the antenna and
叫 ust
it if
ne四ssa『y.
• Make sure the antenna cable is firmly connected.
• Make sure all input cables
are 币rmly
connected.
• Increase the volume.
• Check whether the mute function has been activated on the
Remote Control.
• Check the PICTURE setting within the PICTURE menu.
• Check to make sure the program you are watching is broad臼st
in Color and not Black
&
White.
• Make sure the unit is plugged in and turned on.
• Make sure that the AlV mode is selected.
• Try a new channel to check for possible s阳也。n trouble.
• Make sure the antenna is connected properly.
•
Inc『ease
the volume.
• Make sure the antenna or audio/video source device is
WO 『king prope 「ly.
• Make sure all cables
are 币rmly
connected.
• Check for local inter他re nee.
• Make sure
the『-e
are no unshielded electrical devices nearby
that
a陪 causing interfe陪nee.
• Turn the lV off for 30 minutes, then try it again.
Panel function key does • Under the influence of
electros恒tic
phenomenon, the product
not respond correctly. may malfunction and
『equire
usertopowerreset.
• Unplug and re-plug the AC power cord.
The display monitor's • LED lV takes inside lighten phosphor. It _may increase the
panel goes hot.
temperatu『e
of the
sc陪en
in some
oc田sions.
It's not a defect.
Unusual dots • Black dots and Bright points may appear on the LED screen.
This is a structural property of the LED panel and is not a defect.
Stripes on
sc陪en
• Adjust the impulse phase may decrease
st『ipes.
RGB in
The top of the monito『• It may occur during long-time working. It's not a defect.
gets hot.
Unable to select a • The channel may be skipped. Choose this channel by
certain channel. directly selecting the buttons from the remote control.
Disorder display • This may be caused because of a very short
inte「val
at power on. between POWER OFF and ON.
• Unplug the power and restart.
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