Sherwood R-904N manual Troubleshooting Guide

Page 55

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 dealer. Under no circumstances should you attempt to repair the receiver yourself.

this fails to resolve the situation, consult your This could void the warranty.

PROBLEM

No power

No sound

POSSIBLE CAUSE

* The AC input cord is disconnected.

•Poor connection at AC wall outlet or the outlet is dead or off.

*The speaker wires are disconnected.

*The master volume is adjusted too low.

*The MUTE button is pressed to ON.

*Incorrect selection of input source.

*Incorrect connections between the components.

*The HDMI Audio Out is set to THRU.

REMEDY

*Connect cord securely.

*Check the outlet using a lamp or another appliance.

*Check the speaker connections.

*Adjust the master volume.

*Press the MUTE button to cancel the muting effect.

*Select the desired input source correctly.

*Make connections correctly.

*Set it to AMP. (For details, refer to "When selecting the HDMI (HDMI Audio Out)" on page 25.)

No sound from the surround speakers

No sound from the center speaker

No sound from the surround back speakers

No picture

No picture with an HDMI connection

Noise or distorted picture

No picture with home network connection

Stations cannot be received

Preset stations cannot be received

Poor FM reception

Remote control unit does not operate.

*Surround mode is switched off(stereo mode).

*Master volume and surround level are too low.

*Monaural source is used.

*Surround speaker setting is "NO".

*Stereo mode, etc is selected.

*Center speaker setting is "NO".

• Master volume and center level are too low.

*The input signal format or the current surround mode cannot support the 7.1(or 6.1) surround.

*The surround back channels' power amplifier is assigned to "R2".

*Master volume and surround back level are too low.

*Surround back speaker setting is "NO".

*Video connections between this unit and the monitor TV are not made correctly.

*Incorrect selection of input source on the monitor TV.

*HDMI connection between this unit and the monitor TV is not made correctly.

*The monitor TV or other equipments do not support HDCP.

*Video format of your monitor TV, BD/DVD player, etc. is different from NTSC.

*Home network connection between this unit and broadband router is not correctly.

*The communication setting is not set correctly.

*The settings related to VuNow are not set correctly.

*No antenna is connected.

*The desired station frequency is not tuned in.

*Antenna is in wrong position.

*An incorrect station frequency has been memorized.

*The memorized stations are cleared.

*No antenna is connected.

*The antenna is not positioned for the best reception.

*Weak signals.

*Batteries are not loaded or exhausted.

*The remote sensor is obstructed.

*Select a surround mode.

*Adjust master volume and surround level.

*Select a stereo or surround source.

*Select the desired surround speaker setting.

*Select the desired surround mode.

*Select the desired center speaker setting.

*Adjust master volume and center level.

*Under the proper situations, perform the 7.1 (or 6.1) surround playback.(For details, refer to "ENJOYING SURROUND SOUND" on page 23.)

*Assign the power amplifier to the surround back channels.(For details, refer to "When selecting the AMP ASSIGN" on page 48.)

*Adjust master volume and surround back level.

*Select the desired surround back speaker setting.

*Make proper video connections.

*Select the input source correctly.

*Make proper HDMI connection.

*This unit will not output video signal unless the connected equipments supports HDCP.

*Change the video format to NTSC.

*Make proper home network connection.

*Set the setting correctly.

*Set the settings correctly.

*Connect an antenna.

*Tune in the desired station frequency.

*Move antenna and retry tuning.

*Memorize the correct station frequency.

*Memorize the stations again.

*Connect an antenna.

*Change the position of the antenna.

*Install an outdoor FM antenna.

*Replace the batteries.

*Remove the obstacle.

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Contents Operating iNSTRUCTIONS SherwoodImportant Safety Instructions Do not Expose THiS Appliance to RAiN or Moisture Read this Before Operating Your UnitCanada CONTENTSi Connecting Audio Component Connecting AntennasComponent Connecting Video ComponentsVideo Connecting Subwoofer PRE OUT Connecting Digital INSConnecting Speakers BACK/ROOM2 Speaker placementConnecting ROOM2 Speakers ROOM2Modem Connecting for System ControlConnecting to Network 10, AC Input CordFluorescent Display IR-.904NAENG0.CJL007R200-.904NA-10-14 153jcMicrophone Setup IviicjackUSB Connector Front AUX JackStereo button Sound Parameter button Sleep button Power on button Standby buttonUP/DOWNA/V buttons ROOM2 Input Selector buttons Mute button 14 O CZZC2Z3 13 OE70E3OPERATINGCOMPONENTSWITHREMOTECONTROL1 Repeat the above steps 1 to 4 for each of your components IR-.904NAENG09L007R200-.904NA. -10-14- 153jcAssign Audio RPT Using a punch=through functionOperating a macro function Programming a macro functionBefore operation = In the standby mode, turn the power onSwitch the speakers on IR-.904NAENG09100TR200-.904NA. -10-14- 153jcSelect the digital or analog input connected as desired Listening with headphonesAdjust the overall volume Muting the soundDolby Pro Logic IR-.904NAENGOglOOTR200-.904NA. -10-14- 153jcSurround modes Dolby Pro Logic IIx surroundDolbyprologicii MOVIE/MUSIC/GAME DTS-HDHIGHRESOLUTIONAUDIO/MASTERAUDIODTSESDISCRETE/MATRIX Dolbydigitalplus / Dolbytruehd DolbydigitalexEZ3 E23 When adjusting the sound parametersIR-.904NAENG09L00TR200-.904NA. -10-14- 153jc Enjoying Surround SoundWidth DLY IR-.904NAENG09100?R200-.904NA. -10-14- 153jcIR-.904NAENG09100?R200-.904NA. -10-14- 153jc IR-.904NAENG091007R200-.904NA. -10-14- 153jc Repeat the above steps 1 and 2 to adjust each channel level Adjust the level of the selected channel as desiredCH.LEVEL == = , = Listening to Radio Broadcasts j Auto tuningManual tuning Auto presettingRm...... rm Presetting radio stationsTuning to preset stations IR-.904NAENG091007R200-.904NA. -10-14- 153jc%About VuNow Pod Internet Videos Remote Controls for VuNow PodCzJ Page 09Z007R-904A 2009-Z0-Z4 J1o/€ Z53 IR-,CJ04KAENG0,CJl007R200,9-,CJ04KA-10-14G To view the contents of a Usei storage deviceHome Network Select the Remove from My Channels BookmarksMy Channels To play a channel listed in the My ChannelsLiTo clear a video in the Recently Played list Recently Played LiTo play a recently played videoSelect Clear Recently Played SelectYouTube from home Select Login in YouTube section LoginSelectMovies from home Select achannel MoviesInto create your CinemaNow Account Select Movies from homeTo buy or rent videos directly using VuNow Pod Network Wired Network connection Select Settings from homeEnter the WEP key for the wireless network Press OK key Advanced Wired ModeUpgrading the VuNow Pod from the Vunow Server Advanced Wireless ModeDNS Displaying the operation status Operating Sleep timerAdjusting the brightness of the fluorescent display Other FunctionsSelect the desired input as a ROOM2 source Adjust the ROOM2 volumeROOM2 Source Playback Turn on the ROOM2 functionSelect the desired menu using the Cursor UP/DOWN buttons Turn the setup menu onEE3 EB SWYES//NO Over @ SystemSPK CFG Small IE/SMALL/NOTone /ON MWhen selecting the ToneEtting the Room EQ IR-.904NAENG09100?R200-.904NA. -10-14SBR FT Setting the Speaker SetupIR-.904NAENG091007R200-.904NA. -10-14 SPK CFG Over CH LevelWhen selecting the Speaker Configuration To cancel the test tone function, press the Return button When selecting the Channel LevelPress the Enter button to confirm your selection MAhout the speaker distance MLT Room Setting the MULTi Room SetupTroubleshooting Guide 87.5~107.9 MHz MTC MGAHIQ SSSTMK CCEHeadquarter Oll 034 Hitachi 004TVuse008034 Lloyds023 MegavoxAUX-MD LXI JBL046Sherwood
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R-904N specifications

The Sherwood R-904N is an outstanding receiver that combines vintage aesthetics with modern technologies, making it a beloved choice for audio enthusiasts and casual listeners alike. Known for its reliability and sound quality, the R-904N stands out in the crowded market of audio equipment.

One of the main features of the Sherwood R-904N is its robust power output. Delivering a solid 100 watts per channel at 8 ohms, it ensures that your audio sources are amplified effectively, be it a quiet piano piece or a robust rock anthem. The high-performance amplifier design not only provides ample power but also maintains clarity and minimal distortion even at high volumes, allowing listeners to enjoy music in its purest form.

The receiver is equipped with a high-quality FM/AM tuner that provides excellent reception and sound quality. The built-in digital signal processor enhances radio performance, ensuring that you receive crystal-clear audio without unwanted interference. Additionally, the R-904N features a sleek, easy-to-read LCD display that shows station information, making tuning into your favorite channels simple and enjoyable.

Connectivity is another area where the Sherwood R-904N excels. It comes with multiple input options, including analog RCA inputs, coaxial, and optical digital inputs, accommodating a wide variety of audio sources such as CD players, turntables, and streaming devices. This versatility makes it a suitable choice for those looking to build a comprehensive sound system without compromising on quality.

Another notable characteristic of the R-904N is its user-friendly interface. The front panel is well-organized, featuring easily accessible knobs and buttons to control volume, source selection, and tone adjustments. Moreover, it provides remote control functionality, allowing users to navigate through their audio choices comfortably from a distance.

The Sherwood R-904N also incorporates advanced sound processing technologies, including Dolby Audio support, enhancing the listening experience for movies and music alike. Its built-in EQ allows users to tailor the sound profile to match their personal preferences, accommodating different genres of music or varying listener tastes.

In summary, the Sherwood R-904N is a remarkable receiver that merges classic design elements with modern functionality. With its powerful output, versatile connectivity options, and user-friendly features, it stands as an exemplary choice for anyone serious about audio quality and performance. Whether used for casual listening or immersive home theater setups, the R-904N continues to impress and deliver exceptional audio experiences.
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