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 2: Setting the time”)

—Preset stations (see “Step 3: Presetting radio stations”)

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

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-GRX5, MHC-R700, MHC-GRX9000, MHC-RX66, MHC-RX77S, MHC-GRX7J Troubleshooting, General, Precautions
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MHC-GRX5, MHC-GRX7, MHC-GRX900, MHC-GRX7J, MHC-RX77S specifications

Sony has long been a leader in the audio equipment market, and its MHC series of hi-fi component systems showcases advanced technologies tailored for both casual listeners and audiophiles alike. Among the standout models are the MHC-R700, MHC-RX77, MHC-GRX7, MHC-RX77S, and MHC-GRX900, each packed with unique features that elevate the listening experience.

The MHC-R700 is a versatile mini hi-fi system that offers powerful audio performance and advanced connectivity options. It includes features like an integrated CD player, FM tuner, and USB playback, allowing users to play music from various sources. The system boasts a robust output power, ensuring that even large rooms are filled with rich sound. Its digital signal processing technology enhances audio clarity, resulting in an immersive experience, whether you’re hosting a party or enjoying a quiet evening at home.

The MHC-RX77 takes a step further with its Mega Bass technology, which provides deep and resonant low frequencies, making it perfect for bass lovers. This model also includes a karaoke function with two microphone inputs, ideal for social events. The customizable equalizer settings allow users to tailor their sound preferences, enhancing the overall listening experience. Bluetooth compatibility adds to its appeal, allowing for seamless streaming from smartphones and tablets.

For those seeking a more modern aesthetic, the MHC-GRX7 offers sleek design with cutting-edge technology. This model features high-resolution audio playback capabilities, making it suitable for high-definition audio formats. Its stylish LED lighting can sync with the beat of the music, creating an engaging visual atmosphere. Additionally, it includes an intuitive user interface and remote control, making it easy to navigate through your music collection.

The MHC-RX77S serves as a slightly more compact solution without sacrificing sound quality. It retains core features of its predecessor, including Bluetooth streaming and a solid equalizer. This model is ideal for smaller spaces or for those wanting a more discreet audio solution but still desire the renowned Sony performance.

Finally, the MHC-GRX900 stands out for its high-end specifications and robust construction. This model is designed to deliver audiophile-grade sound and includes advanced features such as wireless multi-room streaming and an enhanced digital amplifier. Its compatibility with a variety of audio formats makes it a versatile choice for serious music listeners.

Together, these models exemplify Sony's commitment to delivering high-quality audio solutions that combine innovative technologies with user-friendly designs, catering to a wide range of preferences and listening environments. Whether you're a casual listener or a serious audiophile, there’s a model in the MHC series that will meet your needs.
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