Sherwood R-863 - Manual (Page 46)

46
Troubleshooting Guide
PROBLEM POSSIBLE CAUSE REMEDY
No power
No sound
No sound from the surround
speakers
No sound from the (front) center
speaker
No sound from the surround back
speakers
Stations cannot be received
Preset stations cannot be received
Poor FM reception
Continuous hissing noise during FM
reception, especially when a stereo
broadcast is received.
Continuous or intermittent hissing
noise during AM reception,
especially at night.
Remote control unit does not
operate.
Other Sherwood components do
not react to remote control
commands.
A video label cannot be displayed.
OSD function is not available.
• 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.
• The selected decoding mode is not matched to the
input signal format.
• Incorrect selection of input source.
• Incorrect connections between the components.
• Surround mode is switched off(normal stereo mode).
• Master volume and surround level are too low.
• Monaural source is used.
• Surround speaker setting is “None”.
• Dolby Virtual, normal stereo mode, etc is selected.
• (Front) center speaker setting is “None”.
• 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.
• Master volume and surround back level are too low.
• Surround back speaker setting is “None”.
• 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.
• DIGI LINK connections are not made properly.
• Malfunction due to external influences such as
static electricity, etc.
• Video connections between this unit and the
monitor TV are not made correctly.
• 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 available decoding mode.
• Select the desired input source correctly.
• Make connections correctly.
• 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 (front) 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.)
• Adjust master volume and surround back level.
• Select the desired surround back speaker setting.
• 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.
• 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.
• Make proper DIGI LINK connections.
• Clear it using “To clear a video label”. (Refer to
“Correcting or clearing a video label” on page 30)
• Make proper video connections.
If a fault occurs, run through the table below before taking your unit for repair.
If the fault persists, attempt to solve it by switching the unit off and on again. If this fails to resolve the situation, consult
your dealer. Under no circumstances should you repair the unit yourself as this could invalidate the warranty!
ENGLISH