Troubleshooting Guide - Sherwood RD-5405 Instrucciones De Funcionamiento

RD-5405(G)100316_RD-5503(g) 2010-04-20 오후 7:57 페이지 40

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.
PROBLEM
No power
No sound
No sound from the surround
speakers
No sound from the center
speaker
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.
POSSIBLE CAUSE
• The AC input cord is disconnected.
• Poor connection at AC wall outlet or the
outlet is inactive.
• The speaker cords are disconnected.
• The master volume is adjusted too low.
• The MUTE button on the remote control is
pressed to ON.
• Incorrect selection of the input source.
• Incorrect connections between the
components.
• Surround mode is switched off(stereo mode).
• Master volume and surround level are too
low.
• A monaural source is used.
• Surround speaker setting is "N".
• Surround mode is switched off(stereo mode).
• Center speaker setting is "N".
• Master volume and center level are too low.
• No antenna is connected.
• The desired station frequency is not tuned
in.
• The 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.
40
REMEDY
• Connect the 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.
• 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.
• Select the desired center speaker setting.
• Adjust master volume and center level.
• Connect an antenna.
• Tune in the desired station frequency.
• Move the 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.