The remote does not function.

•Remove the obstacle between the remote and the unit.

•Move the remote closer to the unit.

•Point the remote at the unit’s sensor.

•Replace the batteries (R6/size AA).

•Locate the unit away from the fluorescent light.

There is acoustic feedback.

•Decrease the volume.

•Move the microphone away from the speakers or change the direction of the microphone.

The color irregularity on a TV screen persists.

•Turn off the TV set once, then turn it on after 15 to 30 minutes. If the color irregularity still persists, place the speakers farther away from the TV set.

The sound from the component connected to the VIDEO/MD (AUDIO) IN jacks is distorted.

•If “VIDEO” appears in the display when you press VIDEO/MD, switch to “MD” function (see “To switch between the “VIDEO” and “MD” function” on page 41).

The subwoofer is turned off automatically.**

•You have selected “SPEAKERS B”. Press SUBWOOFER ON/OFF on the subwoofer.

Speakers

Sound comes from one channel or unbalanced left and right volume.

•Place the speakers as symmetrically as possible.

•Check that the speakers are connected securely and correctly.

•Turn off the X-ROUND mode (page 30).**

•The source being played back is monaural.

•Press MPX repeatedly until “m” disappears from the display.*

Sound lacks bass.

•Check that the speaker’s + and – terminals are connected correctly.

*MHC-GNX88/GNX77/GNX66 only

**MHC-GNX100 only

Disc player

The disc tray does not open and “LOCKED” appears in the display.

•Contact your nearest Sony dealer or local authorized Sony service facility.

The disc tray does not close.

•Load the disc correctly.

•Always close the tray by pressing Z OPEN/ CLOSE. Trying to push the tray closed with your fingers may cause problems with the system.

The disc does not eject.

•You cannot eject the disc during CD Synchro Recording. Press x to cancel the CD Synchro Recording, then press Z OPEN/CLOSE to eject the disc.

•Consult your nearest Sony dealer.

Playback does not start.

•Open the disc tray and check whether a disc is loaded.

•Wipe the disc clean (page 48).

•Reload the disc.

•Load the disc that this system can play back (page 6).

•Load the disc correctly.

•Load the disc in the tray with the label side up.

•Remove the disc and wipe away the moisture on the disc, then leave the system turned on for a few hours until the moisture evaporates.

•Press nN (or N on the remote) to start playback.

Disc access takes a longer time.

•Set CD power manage function to “CD POWER ON” (page 20).

The sound skips.

•Wipe the disc clean (page 48).

•Reload the disc.

•Try moving the system to a place without vibration (e.g., on top of a stable stand).

•Try moving the speakers away from the unit, or placing them on separate stands. When you listen to a track with bass sounds at high volume, the speaker vibration may cause the sound to skip.

Playback does not start from the first track.

•The system is in Program Play or Shuffle Play mode. Press PLAY MODE on the remote repeatedly until “ALL DISCS”, “1 DISC” or “ALBM” lights up in the display.

44GB

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Sony MHC-GNX90, MHC-GNX100, MHC-GX9900, MHC-GNX88, MHC-GNX70, MHC-GNX80, MHC-GNX60, MHC-GNX66 manual Speakers, Disc player, 44GB
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MHC-GNX60, MHC-GX9900, MHC-GNX100, MHC-GNX66, MHC-GNX70 specifications

The Sony MHC-GNX series encompasses a range of high-performance audio systems designed to deliver an immersive sound experience for music lovers and party enthusiasts alike. This series includes models such as the MHC-GNX77, MHC-GNX88, MHC-GNX80, MHC-GNX90, and MHC-GNX70, each featuring distinctive characteristics and advanced technologies.

At the heart of the MHC-GNX series is the powerful audio system, which is engineered to produce strikingly clear sound and deep bass. These models come equipped with high-output speakers and advanced amplification technology that allow for loud, distortion-free sound across various music genres. Additionally, the integrated Mega Bass feature enhances low frequencies, providing an exhilarating audio experience that is ideal for dance tracks and EDM.

The series also boasts versatile connectivity options, including Bluetooth, USB, and audio input ports. This allows users to stream music directly from their smartphones, tablets, or laptops. Furthermore, some models support NFC technology for easy pairing with compatible devices, streamlining the process of enjoying music on the go. The MHC-GNX series supports various audio formats, making it easy to enjoy your favorite tracks in multiple ways.

One notable feature across these models is the DJ effects and karaoke functions. Users can engage in live mixing with built-in DJ effects that allow for scratching, echo, and reverb. Additionally, karaoke enthusiasts will appreciate microphone inputs and vocal effects, turning any gathering into a vibrant sing-along session.

Stylish design is another hallmark of the MHC-GNX series. These audio systems feature an eye-catching, modern aesthetic with LED lighting effects that sync to the beat of the music, creating an electrifying atmosphere perfect for parties and gatherings.

Moreover, the MHC-GNX series is built with durability in mind, making them suitable for both indoor and outdoor use. With user-friendly controls and an intuitive interface, adjusting settings and managing playlists is both simple and efficient.

In summary, the Sony MHC-GNX series, including the MHC-GNX77, MHC-GNX88, MHC-GNX80, MHC-GNX90, and MHC-GNX70, delivers a robust audio experience combined with versatile features, stylish design, and advanced connectivity options, catering to the audio needs of diverse users. Whether for casual listening or lively parties, these systems promise to elevate any musical experience.
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