Sherwood R-865 manual Troubleshooting Guide, Problem Possible Cause Remedy

Troubleshooting Guide

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!

PROBLEM	POSSIBLE CAUSE	REMEDY
No power	• The AC input cord is disconnected.	• Connect cord securely.
	• Poor connection at AC wall outlet or the outlet is	• Check the outlet using a lamp or another appliance.
	dead or off.
No sound	• The speaker wires are disconnected.	• Check the speaker connections.
	• The master volume is adjusted too low.	• Adjust the master volume.
	• The MUTE button is pressed to ON.	• Press the MUTE button to cancel the muting effect.
	• The selected decoding mode is not matched to the	• Select the available decoding mode.
	input signal format.
	• Incorrect selection of input source.	• Select the desired input source correctly.
	• Incorrect connections between the components.	• Make connections correctly.
No sound from the surround	• Surround mode is switched off(normal stereo mode).	• Select a surround mode.
speakers	• Master volume and surround level are too low.	• Adjust master volume and surround level.
	• Monaural source is used.	• Select a stereo or surround source.
	• Surround speaker setting is “None”.	• Select the desired surround speaker setting.
No sound from the center speaker	• Dolby Virtual Speaker, normal stereo mode, etc is	• Select the desired surround mode.
	selected.
	• Center speaker setting is “None”.	• Select the desired center speaker setting.
	• Master volume and center level are too low.	• Adjust master volume and center level.
No sound from the surround back	• The input signal format or the current surround	• Under the proper situations, perform the 7.1(or 6.1)
speakers	mode cannot support the 7.1(or 6.1) surround.	surround playback.(For details, refer to
		“ENJOYING SURROUND SOUND” on page 34.)
	• The power amplifier for the surround back	• Assign the power amplifier to the surround back
	channels is assigned to the ROOM 2.	channels.(For details, refer to “SETTING THE
		POWER AMP ASSIGN” on page 49.)
	• Master volume and surround back level are too low.	• Adjust master volume and surround back level.
	• Surround back speaker setting is “None”.	• Select the desired surround back speaker setting.
Stations cannot be received	• No antenna is connected.	• Connect an antenna.
	• The desired station frequency is not tuned in.	• Tune in the desired station frequency.
	• Antenna is in wrong position.	• Move antenna and retry tuning.
Preset stations cannot be received	• An incorrect station frequency has been memorized.	• Memorize the correct station frequency.
	• The memorized stations are cleared.	• Memorize the stations again.
Poor FM reception	• No antenna is connected.	• Connect an antenna.
	• The antenna is not positioned for the best reception.	• Change the position of the antenna.
Continuous hissing noise during FM	• Weak signals.	• Change the position of the antenna.
reception, especially when a stereo		• Install an outdoor FM antenna.
broadcast is received.
Continuous or intermittent hissing	• Noise is caused by motors, fluorescent lamps or	• Keep the receiver away from noise sources.
noise during AM reception,	lightning, etc.	• Install an outdoor AM antenna.
especially at night.
Remote control unit does not	• Batteries are not loaded or exhausted.	• Replace the batteries.
operate.	• The remote sensor is obstructed.	• Remove the obstacle.
Other Sherwood components do	• DIGI LINK connections are not made properly.	• Make proper DIGI LINK connections.
not react to remote control
commands.
A label cannot be displayed.	• Malfunction due to external influences such as	• Clear it using “To clear a label”. (Refer to
	static electricity, etc.	“Correcting or clearing a label” on page 45)
OSD function is not available.	• Video connections between this unit and the	• Make proper video connections.
	monitor TV are not made correctly.

ENGLISH

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