Sherwood RD-8504 manual Troubleshooting Guide, Problem Possible Cause Remedy

Page 63

RD-8504(A)_ENG_091118:RD-8504(A)2009-11-18오￿6:41페이지63

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

POSSIBLE CAUSE

REMEDY

 

 

 

ENGLISH

 

 

 

 

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

 

 

 

dead or off.

appliance.

 

 

 

 

 

 

 

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.

 

 

 

• Incorrect selection of input source.

• Select the desired input source correctly.

 

 

 

• Incorrect connections between the components.

• Make connections correctly.

 

 

 

• The HDMI Audio Output is set to HDMI

• Set it to Speaker. (For details, refer to "When

 

 

 

Passthrough.

selecting the HDMI Audio Output" on page 45.)

 

 

 

• The settings related to audio are set incorrectly.

• Set the settings correctly. (For details, refer to

 

 

 

 

"SETTING THE INPUT SETUP" on page 55.)

 

 

 

 

 

 

 

No sound from the surround

• Surround mode is switched off(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 "No".

• Select the desired surround speaker setting.

 

 

 

 

 

 

 

No sound from the center

• Dolby Virtual Speaker, stereo mode, etc is

• Select the desired surround mode.

 

 

speaker

selected.

• Select the desired center speaker setting.

 

 

 

• Center speaker setting is "No".

 

 

 

• 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

 

 

speakers

mode cannot support the 7.1(or 6.1) surround.

6.1) surround playback.(For details, refer to

 

 

 

 

"ENJOYING SURROUND SOUND" on page 25.)

 

 

 

• The surround back channels' power amplifier is

• Assign the power amplifier to the surround back

 

 

 

assigned to "Bi AMP" or "Room 2".

channels.(For details, refer to "When selecting

 

 

 

 

the AMP Assign"on page 45.)

 

 

 

• Master volume and surround back level are too low.

• Adjust master volume and surround back level.

 

 

 

• Surround back speaker setting is "No".

• Select the desired surround back speaker setting.

 

 

 

 

 

 

 

No picture

• Video connections between this unit and the

• Make proper video connections.

 

 

 

monitor TV are not made correctly.

• Select the input source correctly.

 

 

 

• Incorrect selection of input source on the monitor

 

 

 

TV.

• Set the settings correctly. (For details, refer to

 

 

 

• The settings related to video are set incorrectly.

 

 

 

 

"SETTING THE INPUT SETUP" on page 55.)

 

 

 

 

 

 

 

No picture with an HDMI

• HDMI connection between this unit and the

• Make proper HDMI connection.

 

 

connection

monitor TV are not made correctly.

• This unit will not output video signal unless the

 

 

 

• The monitor TV or other equipments do not

 

 

 

support HDCP.

connected equipments supports HDCP.

 

 

 

 

 

 

 

Noise or distorted picture

• Video format of your monitor TV, DVD player, etc.

• Change the video format to NTSC.

 

 

 

is different from NTSC.

 

 

 

 

 

 

 

 

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

• An incorrect station frequency has been memorized.

• Memorize the correct station frequency.

 

 

received

• 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.

 

 

 

• Weak signals.

• Install an outdoor FM antenna.

 

 

 

 

 

 

 

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.

 

 

 

 

 

 

 

OSD function is not available.

• Video connections between this unit and the

• Make proper (composite) video connections.

 

 

 

monitor TV are not made correctly.

 

 

 

 

 

 

 

 

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Contents RD-8504 Important Safety Instructions 120 IntroductionRead this Before Operating Your Unit Do not ExPOSE this Appliance to Rain or MoistureContents System Connections Connecting AntennasVideo conversion Connecting Video ComponentsCopyright protection system Connecting Audio ComponentsComponent video input default settings *2 Hdmi High Definition Multimedia Interface connection *1Optical Digital OUT Connecting ExTERNAL INSConnecting Digital INS and OUT Digital input default settingsConnecting SPEAkERS Surround back speakersFront Bi-Amp Connections Connecting Subwoofer PRE OUT Speaker placementPositioning the antenna Connecting for System ControlConnecting Sirius Connector only for North America SiriusConnect Home TunerAC Input Connecting Room 2 OutsFront Panel Controls Remote SensorFluorescent Display Setup MIC JACk Bluetooth in ConnectorFront AUx in JACk Universal Remote Controls Stop Function Table of the Numbered ButtonsReMote contRoL oPeRAtIon RAnGe Repeat the above steps 1 to 4 for each of your Components Entering a setup codeUsing a punch-through function Removing a punch-through functionRemoving all punch-through functions To change a macro program Programming a macro functionOperating a macro function To remove a macro programOperations Listening to a Program SourceBefore operation Press the Audio Assign button Listening with headphonesAdjust the overall volume Muting the soundSurround modes Room TheaterHall StadiumDolby Truehd Enjoying Surround SoundTo cancel the surround mode for stereo operation Adjusting each channel level with test toneEnter the test tone mode Cancel the test tone functionPress the Channel Level button Adjusting the current channel levelAdjust the level of the selected channel as desired Repeat the above steps 2 and 3 to adjust each channel levelRecalling the memorized channel levels Memorizing the adjusted channel levelsListening to Radio Broadcasts Auto tuningManual tuning Auto presettingRepeat the above steps 1 to 3 to memorize other stations Manual presettingTuning to preset stations Memory BACkUP FunctionSigning up for Sirius Satellite Radio Press the Tuning UP+/DOWN- buttons repeatedly to select SRTo sign up, access the website at Sirius Satellite Radio only for North AmericaCategory search Presetting channelsPreset search Direct searchTune in the channel you want to lock or unlock Parental lockPress the Enter button Editing lock codeTo record audio signals RecordingDubbing from video components onto Video Digital Audio Recording with MD Recorder Displaying the operation status Operating the sleep timerAdjusting the brightness of the fluorescent display Other FunctionsStart play on the component related to the Room 2 source When using the buttons on the front panelPress the Room 2 button to enter the Room 2 mode Set the selected mode as desiredSelect the desired input as a Room 2 source When using the buttons on the remote control unitAdjust the Room 2 volume Turn on the Room 2 functionOSD Menu Settings Select the desired menu using the Cursor UP/DOWN buttonsTurn the menu screen on When selecting the Speaker/Room EQ Setup When selecting the System SetupWhen selecting the InputSetup When selecting the Sound ParameterBass Treble Setup menu flowRD-8504AENG091118RD-8504A2009-11-18오641페이지43 Amp Assign Setting the System SetupWhen selecting the Tone Control When selecting the AMP AssignWhen selecting the Subwoofer Mode When selecting the Hdmi Audio OutputWhen selecting the Cinema EQ When selecting the Momentary OSDWhen selecting the Save/Recall Preparations When selecting the Auto SetupTo memorize the results, press the Cursor Right button When selecting the Room EQ Surround Surr Back Subwoofer When selecting the Speaker ConfigurationCenter Surround Surr Back When selecting the Speaker CrossoverAbout the speaker distance When selecting the Speaker DistanceWhen selecting the LFE When selecting the Channel LevelMemorizing the adjusted channel levels and recalling them When selecting the items other than Re-Name Setting the Input SetupWhen selecting the Video Mode When selecting the Hdmi AssignWhen selecting the Component Assign When selecting the Audio AssignWhen selecting the Audio Mode When selecting the Video ScalingWhen selecting the AV Sync When selecting the Re-Name When selecting the HD AudioTo resume its factory input source name To clear the name you entered When selecting the Volume Setting the Multi Room SetupWhen selecting the Room When selecting the InputSetting the Sound Parameter When selecting the Dolby Pro Logic II MusicWhen selecting the Night Mode Setting the Advanced Video Problem Possible Cause Remedy Troubleshooting GuideSpecifications Setup Code Table CCE RCASSS TMKKLH MEISTS NSC ABCHTS SATQED DKKMCS NSMRD-8504
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RD-8504 specifications

The Sherwood RD-8504 is a powerful and versatile audio receiver designed for audiophiles and casual listeners alike. This unit elegantly combines modern technology with essential features, making it an attractive option for those seeking an immersive audio experience for their home theater or music listening setup.

At the heart of the RD-8504 is a robust amplifier capable of delivering 100 watts per channel, ensuring that even the most demanding speakers can operate at their peak performance. This power output allows for high volume levels without distortion, making it ideal for movies, music, and gaming. The receiver supports a wide range of speaker configurations, including 7.1 surround sound, enabling users to create a rich and enveloping audio environment.

One of the standout features of the Sherwood RD-8504 is its advanced Digital Signal Processing (DSP). This technology allows the receiver to provide multiple sound modes tailored to various content types, including movies, music, and sports. The DSP ensures that audio quality is maintained while optimizing the listening experience for different environments. Additionally, the receiver provides a built-in equalizer, which allows users to fine-tune sound settings to suit their personal preferences.

Connectivity is another strong suit of the RD-8504. The receiver is equipped with multiple HDMI inputs, making it easy to connect various devices such as game consoles, Blu-ray players, and streaming devices. The HDMI ARC feature also enables seamless audio transmission from compatible televisions. Beyond HDMI, the receiver includes analog and digital inputs, as well as USB connectivity for direct playback from external devices.

The RD-8504 also shines in its support for modern audio formats, including Dolby Digital and DTS, providing immersive surround sound that enhances the overall experience of films and music. Furthermore, it supports high-resolution audio formats, allowing users to enjoy lossless music playback and taking full advantage of today’s high-quality audio sources.

In terms of user interface, Sherwood has designed the RD-8504 with an intuitive layout and clear display. The front panel features easy-to-navigate buttons and a large LCD screen that provides essential information at a glance. The remote control offers comprehensive access to all features, enabling users to customize their listening preferences effortlessly.

In summary, the Sherwood RD-8504 receiver combines powerful amplification, advanced DSP technology, and extensive connectivity options to deliver an outstanding audio experience. Its blend of modern features and user-friendly design makes it an excellent choice for anyone looking to enhance their home entertainment system. Whether for a casual movie night or an immersive music session, the RD-8504 is poised to satisfy and impress.
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