Sony MHC-GR10AV, MHC-D90AV operating instructions Troubleshooting, General, Precautions

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precautions (continued)

Before placing a cassette in the tape deck

Take up any slack in the tape. Otherwise the tape may get entangled in the parts of the tape deck and become damaged.

When using a tape longer than 90 minutes

The tape is very elastic. Do not change the tape operations such as play, stop, and fast-winding etc. frequently. The tape may get entangled in the tape deck.

Cleaning the tape heads

Clean the tape heads after every 10 hours of use. When the tape heads become dirty

—the sound is distorted

—there is a decrease in sound level

—the sound drops out

—the tape does not erase completely

—the tape does not record

Make sure to clean the tape heads before you start an important recording or after playing an old tape. Use separately sold dry-type or wet-type cleaning cassette. For details, refer to the instructions of the cleaning cassette.

Demagnetizing the tape heads

Demagnetize the tape heads and the metal parts that have contact with the tape every 20 to 30 hours of use with a separately sold demagnetizing cassette. For details, refer to the instructions of the demagnetizing cassette.

Troubleshooting

If you run into any problem using this stereo system, use the following check list.

First, check that the power cord is connected firmly and the speakers are connected correctly and firmly.

Should any problem persist, consult your nearest Sony dealer.

General

The display starts flashing as soon as you plug in the power cord even though you haven’t turned on the power (demonstration mode).

•Press DISPLAY DEMO when the power is turned off.

The demonstration mode appears automatically the first time you plug in the power cord. If there is a power outage lasting longer than half a day, redo the following:

—Clock setting (see “Step 3: Setting the time”)

—Preset stations (see “Step 4: Presetting radio stations”)

—Timer settings (see “Waking up to music” and “Timer recording radio programs”).

“12:00 AM” flashes in the display.

•A power interruption occurred. Set the clock and timer settings again.

There is no sound.

•Rotate VOLUME clockwise. •The headphones are connected. •Insert only the stripped portion of the

speaker cord into the SPEAKER jack. Inserting the vinyl portion of the speaker cord will obstruct the speaker connections.

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Contents Mini Hi-Fi Component System Information Table of Contents Hooking up the main unit Connect the FM/AM antennasInserting two size AA R6 batteries into the remote TipPositioning the speakers Setting up Your speakersWhen carrying this system Connecting the speakers Connect the front speakers Connect the rear speakersConnect the AC power cord to a wall outlet Connect the center speakerTo attach the front speaker pads To attach the center speaker padsAdjusting the speaker volume Setting up your speakersSetting the time Presetting radio stationsPresetting radio stations To tune in a station with a weak signalTo change the preset number To change the AM tuning intervalConnecting optional AV components Connecting audio componentsConnecting an MD deck for digital recording Connecting an MD deck for analog recordingConnecting a super woofer except for MHC-D90AV Connecting a VCRConnecting optional AVcomponents AM antenna Connecting outdoor antennasFM antenna Playing a CD Normal playPress § OPEN/CLOSE and place up to two CDs on the disc tray Press one of the Disc 1~3 buttonsBasic Operations Do thisTo stop recording Recording a CDCD Synchro Recording Preset Tuning Listening to the radioTo listen to non-preset radio stations Listening to the radioRecording from the radio Press rPress · Playing a tapePress § Eject and insert a recorded tape in deck a or B Recording from a tape TipsHigh-speed Dubbing Press High Speed DubbingRecording from a tape To stop dubbingUsing the CD display To cancel Repeat PlayPlaying the CD tracks repeatedly Press DISPLAY/DEMO during playbackTo cancel Shuffle Play Playing the CD tracks in random orderShuffle Play To select a desired CDProgram Play To cancel Program PlayProgramming the CD tracks To cancel Non-Stop Play Playing CDs without interruptionPrograming the CD tracks Non-Stop PlayRecording on a tape manually Start playing the source to be recordedRecording a CD by specifying track order Program EditTo cancel Program Edit Selecting tape length automaticallyTo check the order Tape Select EditLooping part of a CD Flashing part of a CDLoop FlashWave To adjust the wave lengthWaving the equalizer Adjusting the sound For a powerful sound GrooveTo listen through the headphones To reinforce bass DbfbSelecting the surround menu Press DSP repeatedly to select a DSP modeTo adjust the presence of the surround effect To cancel the Dolby Pro Logic Surround sound Enjoying the Dolby Pro Logic Surround soundSelecting the audio emphasis Press PRO Logic while playing a program sourceTo change the equalizer display Selecting the Audio Emphasis To cancel the effectMusic menu options Adjusting the audio emphasis Adjusting the graphic equalizerTurn the jog dial to adjust level Repeat steps 2 Press ENTER/NEXT when finishedTo call up the personal file Making a personal audio emphasis filePersonal file Mixing and recording sounds When you are doneSinging along Karaoke Sleep Timer Falling asleep to musicWake-up Timer Waking up to musicTo cancel the timer operation Timer-recording radio programsTo check the setting Timer-recording radio programs Insert a recordable tape Turn off the powerTurn jog dial to select REC, then press ENTER/NEXT Set the time to start recordingPrecautions General TroubleshootingPrecautions Speakers CD PlayerTuner TroubleshootingTape Deck Specifications For the U.S. modelAmplifier section CD player sectionSpecifications Tuner sectionSpeaker GeneralIndex

MHC-D90AV, MHC-GR10AV specifications

The Sony MHC-GR10AV and MHC-D90AV are two impressive audio systems designed to deliver a high-quality sound experience for music enthusiasts and casual listeners alike. Featuring innovative technologies and a range of features, these systems cater to diverse audio needs, making them suitable for a variety of settings, from home entertainment to parties.

The Sony MHC-GR10AV stands out with its powerful sound output and rich bass performance, thanks to its dual 1000 watt high-power speakers. The system incorporates the Extra Bass technology which enhances low-frequency sounds, making it ideal for bass-heavy music genres like hip hop and electronic dance music. With Bluetooth connectivity, users can easily stream music from their smartphones or tablets, offering a seamless listening experience without the hassle of wires.

Moreover, the MHC-GR10AV features a built-in CD player and FM radio, ensuring that users have multiple options for playback. The intuitive interface offers easy navigation through a user-friendly display. Additionally, the system supports USB playback, allowing users to connect external drives and enjoy their favorite tracks directly. The DJ effects feature allows users to remix and enhance their music, providing an engaging experience for both performers and listeners.

On the other hand, the Sony MHC-D90AV offers its own unique set of features. Like the GR10AV, it boasts a powerful output and quality sound reproduction. This system is known for its surround sound capabilities which create an immersive audio experience, making it perfect for movie nights or gaming sessions. One of the standout technologies in the MHC-D90AV is the Digital Sound Enhancement Engine (DSEE), which restores compressed audio files, delivering a more dynamic sound.

Both models come with various connectivity options including RCA inputs, enabling users to connect additional devices such as gaming consoles or television sets. The included remote control makes it easy to navigate between sources and adjust settings from a distance.

In conclusion, both the Sony MHC-GR10AV and MHC-D90AV offer a robust set of features designed to elevate audio experiences. Their powerful output, connectivity options, and advanced technologies make them a worthwhile addition for anyone seeking high-quality sound reproduction in their home or event space. Whether through crisp high notes or deep bass lines, these systems provide an enjoyable listening experience for all.
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