Sherwood R-772 manual Troubleshooting Guide, Problem Possible Cause Remedy

Page 71

R-772(A)2007.8.165:21PM페이지71

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

 

 

 

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 OUT is set to ON.

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

 

 

selecting the HDMI AUDIO OUT" on page 50.)

 

• The settings related to audio are set incorrectly.

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

 

 

"SETTING THE INPUT SETUP" on page 53.)

 

 

 

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 34.)

 

• 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 49.)

 

• 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 53.)

 

 

 

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.

 

 

 

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 video connections.

 

monitor TV are not made correctly.

 

 

 

 

ENGLISH

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Contents 772A2007.8.16521PM페이지1 Safety Instructions Read this Before Operating Your Unit IntroductionContents System Connections Connecting AntennasConnecting Video Components Component Video Composite Video Component in 1 Video 1, Component in 2 VideoConnecting XM only for North America Connecting Audio ComponentsConnecting External INS Digital input default settings Connecting Digital INS and OUTConnecting DC Trigger OUT Connecting Subwoofer PreoutSurround back speakers Connecting SpeakersFor installing the speakers, refer to Speaker placement on Setting the SPEAKER/ROOM EQ Setup onSurround back left and right speakers Speaker placementFront left and right speakers and center speaker Surround left and right speakersFor details, refer to Changing the transmission signal on Connecting Room 2 OutsConnecting RF Remote Antenna Connecting PC for Upgrades Connecting MULTI-ROOM System KITPlug this cord into a wall AC outlet Switched AC OutletsAC Input Cord Fluorescent Display Front Panel ControlsRemote Sensor AUX in Jack Setup MIC JackAbout the transmission signal Universal Remote ControlsFunction Table of the Numbered Buttons Loading Batteries Learn RF-IR Delete Macro Code Punch Entering a setup codeCode. Note Searching a setup code772A2007.8.16521PM페이지22 Erasing all the commands programmed under a device mode Erasing the programmed command from one buttonTo change a macro program Programming a macro functionTo erase a macro program Programing a punch-through function Operating a macro functionCase of the channel punch-through Operating a punch-through functionErasing the programmed puch-through function Case of the transport punch-through772A2007.8.16521PM페이지27 When RF is set to Changing the transmission signalSignal into RFRadio Frequency. Notes Remove the battery when it is not used for a long time Room 2 Remote ControlsRemote Control Operation Range Loading BatteryBefore operation When selecting the External in as desiredOperations Listening to a Program SourceMuting the sound When CD, AUX, Video 1~ 4 is selected as an input sourceListening with headphones Adjust the overall volumeSurround modes Dolby Virtual Speaker Reference Dolby DIGITAL, Dolby VS REF, Dolby VS Wide Enjoying Surround Sound2CH downmix mode Listening in Dolby Headphone modeAdjusting each channel level with test tone To cancel the surround mode for stereo operationSelect the desired channel Adjusting the current channel levelRecalling the memorized channel levels Memorizing the adjusted channel levelsListening to Radio Broadcasts Auto tuningManual tuning Auto presettingScanning preset stations in sequence Manual presettingTuning to preset stations XM Satellite Radio only for North America Press the Tuner button repeatedly to select XM modePress the Tuning UP+/DOWN- buttons repeatedly to select XM To sign up, access the website atDirect search XM mode, select the direct search modeXM mode, select the category search mode Channel searchDisplaying XM information Presetting channels Preset searchSignal strength display mode Error message and statusOther Functions Operating the sleep timerAdjusting the brightness of the fluorescent display While operating the sleep timer, lights upTAPE, Video 1 ~ Video Room 2 Source PlaybackVOL ~ Recording with Tape Dubbing the audio and video signals separately onto VideoRecording Video Dubbing from video components ontoMulti OSD Menu Settings772A2007.8.16521PM페이지48 Press the Cursor UP/DOWN buttons to select the desired item Setting the System SetupWhen selecting the items other than OSD Position Adjust When selecting the AMP AssignWhen selecting the Tone Control When selecting the Subwoofer ModeWhen selecting the Hdmi Audio OUT When selecting the Momentary OSD When selecting the Cinema EQWhen selecting the Background When selecting the OSD Position Adjust When selecting the menu of page 2 or Setting the Input SetupWhen selecting the items other than Name When selecting the Audio Assign When selecting the Hdmi AssignWhen selecting the Video Assign When selecting the Video ModeWhen selecting the DC Trigger When selecting the Auto SurroundWhen selecting the Audio Remaster When selecting the AV SyncMake a blank on each digit and press the Enter button When selecting the NameConfirm your entry Name is stored in the memory To resume its factory input source namePreparations Setting the Speaker / Room EQ SetupWhen selecting the Auto Setup 772A2007.8.16521PM페이지58 When selecting the Speaker Configuration About the speaker distance When selecting the Speaker DistanceWhen selecting the Speaker Crossover When selecting the Room EQ Setup When selecting the User mode Setting the CH Level Setup Reference MAX Setting the Sound ParameterWhen selecting the Night Mode When selecting the Dimension control When selecting the Dolby Plii MusicWhen selecting the Panorama mode When selecting the Center Width controlWhen selecting the Dolby Headphone When selecting the Dolby Virtual Speaker Wide mode When selecting the Dolby Virtual SpeakerWhen selecting the Volume Setting the Multi Room SetupWhen selecting the Room When selecting the InputProblem Possible Cause Remedy Troubleshooting GuideAmplifier Section SpecificationsSetup Code Table CCE RCASSS TMKMEI STSKLH NSC ABCHTS SATQED DKKMCS NSM772A2007.8.16521PM페이지1
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R-772 specifications

The Sherwood R-772 is a versatile and powerful stereo receiver that appeals to audiophiles and casual listeners alike. This model, known for its robust performance and rich sound quality, is designed to meet the demands of modern audio systems while retaining classic features that enhance user experience.

One of the standout features of the Sherwood R-772 is its substantial power output. With the ability to deliver 100 watts per channel, this receiver can easily drive a wide range of speakers, providing dynamic and impactful audio that fills the room. This power output is complemented by its low total harmonic distortion, ensuring that the audio remains clean and detailed, even at higher volumes.

In terms of connectivity, the R-772 is equipped with multiple inputs for various audio sources. It includes several analog audio inputs, allowing users to connect their CD players, turntables, and other devices effortlessly. Additionally, the receiver supports AM/FM radio with a built-in tuner, providing access to a wide array of radio stations and programming. The inclusion of digital inputs enhances its compatibility with modern devices, ensuring an all-encompassing audio experience.

Another attractive feature of the Sherwood R-772 is its advanced surround sound processing. It supports various surround sound formats, enhancing the listening experience for movies and music. The inclusion of Dolby Pro Logic II allows users to enjoy stereo content in a multi-dimensional audio field, making movies and music come alive in their homes.

The R-772 is also designed with user convenience in mind. Its easy-to-navigate interface and remote control make it straightforward to operate, providing users with quick access to their favorite audio settings. The receiver also features a comprehensive equalization system, allowing users to personalize their listening experience and tailor the sound to their preferences.

Durability and build quality are characteristic of Sherwood products, and the R-772 is no exception. Its solid construction ensures longevity while maintaining aesthetic appeal. This model is designed to blend seamlessly with a home audio setup, offering both style and substance.

In conclusion, the Sherwood R-772 stereo receiver stands out with its powerful performance, versatile connectivity, and user-friendly features. It embodies a perfect balance of modern technology and traditional audio quality, ensuring that it remains a valuable addition to any audio system for years to come. This receiver is an excellent choice for anyone looking to enhance their listening experience, regardless of their level of audio expertise.
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