Troubleshooting Guide - Sherwood SD-860 Operating Instructions Manual

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 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 will invalidate the guarantee!
PROBLEM
No power • The AC input cord is disconnected.
• Poor connection at AC wall outlet or the outlet is
inactive.
No playback • The disc is loaded upside down.
• The disc is not playable.
• The disc is dirty.
• The rating level is not set correctly.
• The symbol about invalid operation is displayed.
Malfunction • The disc is scratched, dirty badly or unplayable.
No picture • The video cords are disconnected.
• The incorrect selection of input source on the TV.
• The disc is not playable.
• The PURE AUDIO indicator lights up on the front panel.
Noisy or distorted • The unit is connected to a VCR directly and the
picture copyguard function is activated.
• The disc is dirty.
• It is in rapid advance or reverse playback, or in frame
advance playback.
Abnormal picture or no • The component video output signal is not selected
picture correctly.
Slight pause of picture • The layer transition occurs during playback of DVD
Videos recoded in dual-layer format.
No sound • The audio cords are disconnected.
• The speakers are disconnected to the amplifier.
• The incorrect selection of input source on the amplifier.
• Digital signals are not output from the DIGITAL
OUTPUT jacks.
• Digital signals cannot be output from a SACD or a
DVD Audio.
Noisy or distorted • The disc is dirty.
sound • Poor connections.
No playback of DVD • DVD AUDIO AREA is set to DVD AUDIO.
Video contents on a
DVD Audio.
No playback of the • The desired area/layer is not selected.
desired area/layer on
a SACD.
Remote control unit • Batteries are not loaded or exhausted.
does not operate. • The remote sensor is obstructed.
POSSIBLE CAUSE
51
REMEDY
• Connect cord securely.
• Check the outlet using a lamp or another appliance.
• Reload the disc with the printed side up.
• Use a playable disc.
• Clean the disc.
• Set the rating level setting correctly.
(Refer to "When selecting the PARENTAL
CONTROL" on page 45.)
• Adjust the setting correctly.
(Refer to "SYMBOL ABOUT INVALID OPERATION"
on page 12.)
• Press the POWER switch to switch the power off,
press the POWER switch again and then unload the
disc.
• Connect the cords correctly.
• Select the input source correctly.
• Use a playable disc.
• Turn off the pure audio function.
• Connect the unit so that the picture signal is
transferred directly to the TV.
• Clean the disc.
• Sometimes a small amount of picture distortion may
appear. This is not malfunction.
• Select the component video output signal correctly.
(Refer to "CHANGING THE COMPONENT VIDEO
OUTPUT SIGNAL" on page 29.)
• Sometimes slight pause may occur.
This is not malfunction.
• Connect the cords correctly.
• Connect the speakers correctly.
• Select the input source correctly.
• Set the DIGITAL OUTPUT to ON.
(Refer to "When selecting the DIGITAL OUTPUT" on
page 36.)
• Make analog audio connection.
• Clean the disc.
• Check the connections and connect all cords
securely.
• Set the DVD AUDIO AREA to DVD VIDEO.(Refer to
"When selecting the DVD AUDIO AREA" on page 44.)
• Select the desired.(Refer to "To select a playback
area/layer" on page 16.)
• Replace the batteries.
• Remove the obstacle.