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