55
Troubleshooting Guide
If a fault occurs, run through the table below before taking your receiver for repair.
If the fault persists, attempt to solve it by switching the receiver off and on again. If this fails to resolve the situation, consult
your dealer. Under no circumstances should you attempt to repair the receiver yourself. This could void the warranty.
E
N
G
L
IS
H
PROBLEM
POSSIBLE CAUSE
REMEDY
No power
No sound
No sound from the surround
speakers
No sound from the center
speaker
No sound from the surround back
(or front height) speakers
No picture
No picture with an HDMI
connection
Noise or distorted picture
Stations cannot be received
Preset stations cannot be
received
Poor FM reception
Continuous or intermittent hissing
noise during AM reception,
especially at night.
Remote control unit does not
operate.
• The AC input cord is disconnected.
• Poor connection at AC wall outlet or the outlet is
dead or off.
• The speaker wires are disconnected.
• The master volume is adjusted too low.
• The MUTE button is pressed to ON.
• Incorrect selection of input source.
• Incorrect connections between the components.
• The HDMI AUDIO OUT is set to THRU.
• The settings related to audio are set incorrectly.
• Surround mode is switched off(stereo mode).
• Master volume and surround level are too low.
• Monaural source is used.
• Surround speaker setting is "NO".
• Stereo mode, etc is selected.
• Center speaker setting is "NO".
• Master volume and center level are too low.
• The input signal format or the current surround
mode cannot support the 7.1(or 6.1) surround.
• The surround back channels' power amplifier is
assigned to "BIAMP" or "ROOM 2".
• Master volume and surround back (or front height)
level are too low.
• Surround back(or front height) speaker setting is
"NO".
• Video connections between this unit and the
monitor TV are not made correctly.
• Incorrect selection of input source on the monitor
TV.
• The settings related to video are set incorrectly.
• HDMI connection between this unit and the
monitor TV are not made correctly.
• The monitor TV or other equipments do not
support HDCP.
• Video format of your monitor TV, DVD player, etc.
is different from NTSC.
• No antenna is connected.
• The desired station frequency is not tuned in.
• Antenna is in wrong position.
• An incorrect station frequency has been memorized.
• The memorized stations are cleared.
• No antenna is connected.
• The antenna is not positioned for the best reception.
• Weak signals.
• Noise is caused by motors, fluorescent lamps or
lightning, etc.
• Batteries are not loaded or exhausted.
• The remote sensor is obstructed.
• Connect cord securely.
• Check the outlet using a lamp or another
appliance.
• Check the speaker connections.
• Adjust the master volume.
• Press the MUTE button to cancel the muting effect.
• Select the desired input source correctly.
• Make connections correctly.
• Set it to AMP. (For details, refer to "When
selecting the HDMI AUDIO OUT" on page 53.)
• Set the settings correctly. (For details, refer to
"SETTING THE INPUT" on page 40.)
• Select a surround mode.
• Adjust master volume and surround level.
• Select a stereo or surround source.
• Select the desired surround speaker setting.
• Select the desired surround mode.
• Select the desired center speaker setting.
• Adjust master volume and center level.
• Under the proper situations, perform the 7.1(or
6.1) surround playback.(For details, refer to
"ENJOYING SURROUND SOUND" on page 21.)
• Assign the power amplifier to the surround back
(or front height) channels.(For details, refer to
"When selecting the AMP ASSIGN"on page 38.)
• Adjust master volume and surround back (or front
height) level.
• Select the desired surround back (or front height)
speaker setting.
• Make proper video connections.
• Select the input source correctly.
• Set the settings correctly. (For details, refer to
"SETTING THE INPUT" on page 40.)
• Make proper HDMI connection.
• This unit will not output video signal unless the
connected equipments supports HDCP.
• Change the video format to NTSC.
• Connect an antenna.
• Tune in the desired station frequency.
• Move antenna and retry tuning.
• Memorize the correct station frequency.
• Memorize the stations again.
• Connect an antenna.
• Change the position of the antenna.
• Install an outdoor FM antenna.
• Keep the receiver away from noise sources.
• Install an outdoor AM antenna.
• Replace the batteries.
• Remove the obstacle.
RD-7505(A)_ENG_101115_RD-7505(A)_ENG 2010-11-16 오전 10:36 페이지 55
All manuals and user guides at all-guides.com
