Troubleshooting - Sherwood R-607 Bedienungsanleitung

Troubleshooting

If you experience any of the following difficulties while using the system, use this troubleshooting guide to help
remedy the problem before requesting servicing. Should any problem persist, consult your nearest authorized dealer
or authorized independent company.
If the unit does not operate normally due to external influence such as static electricity, disconnect the power plug
from the outlet and insert again to return to normal operating conditions.
Symptom
Unit does not function when
Main Power switch is turned
on.
Front-panel Message display
lights, but there's no sound
or picture.
No sound from any speaker.
No sound from any speaker;
PROTECT message appears
on Message display.
No sound from center or
surround speakers.
Unit does not respond to
remote control commands.
Intermittent buzzing in tuner.
20
Cause
• No AC power.
Intermittent input connection.
•
Mute is on.
•
• Volume control is turned down.
• Speakers set to "Off" in System
Setup menu.
• Amplifier is in protection mode
due to possible short circuit.
Amplifier is in protection mode
•
due to internal problems.
Incorrect surround mode.
•
• Program material is
monophonic.
• Incorrect speaker configuration.
• Program material is stereo.
Weak batteries in remote.
•
AVR not selected.
•
• Remote sensor is obscured.
• Local interference.
Solution
• Ensure that the power cord is plugged into
a live AC power outlet.
Secure all input and speaker connections
•
Press Mute button.
•
• Turn up Volume control.
• Set speakers to "On" in System Setup
menu. See page 14, for more information.
• Check all speaker wires at speaker and
AVR connections for crossed wires.
Contact your local service center.
•
Select a surround mode other than stereo.
•
• Mono programs contain no surround
information.
• Check the speaker configuration in the
setup menu.
• The surround decoder may not create
center- or surround-channel information
from non-encoded stereo programs.
Change batteries in remote.
•
Press the Setup/AVR button.
•
• Ensure that the AVR's front-panel remote
sensor is in the line of sight of the remote.
• Move the AVR or antenna away from
computers, fluorescent lights, motors or
other electrical appliances.