Sony MHC-GNX77, MHC-GNX100 manual Problems and remedies, When the ?/1 indicator flashes, General

Page 43

Troubleshooting

Problems and remedies

Should you encounter a problem with your system, do the following:

1Make sure the power cord and speaker cords are connected correctly and firmly.

2Find your problem in the troubleshooting checklist below and take the indicated corrective action.

If the problem persists after doing all of the above, consult your nearest Sony dealer.

When the ?/1 indicator flashes

Immediately unplug the power cord and check the following items.

•(MHC-GNX100/GNX88/GNX80 only) Is the system control cable connected correctly?

•If your unit have voltage selector, is the voltage selector set to the correct voltage? Check the voltage for your region, then make sure the voltage selector is set correctly.

•Are you using the supplied speakers?

•Is anything blocking the ventilation holes on the rear of the unit?

After checking the above items and fixing any problem, plug in the power cord again and turn on the system. If the ?/1 indicator still flashing, or if the cause of the problem cannot be found even after checking all the above items, consult your nearest Sony dealer.

General

The display starts flashing as soon as you plug in the power cord even though you have not turned on the system.

•The demonstration mode started. Press ?/1 (see step 7 of “Hooking up the system” on page 8).

The clock/timer setting is canceled.

•The power cord is disconnected or a power failure occured. Redo “Setting the clock” (page 13). If you have set the timer, redo “Waking up to music” (page 33) and “Timer recording radio programs”

(page 35).

The radio presetting is canceled.

•The power cord is disconnected or a power failure occured for longer than half a day. Redo “Presetting radio stations” (page 19).

“– –:– –” appears in the display.

•A power failure occurred. Set the clock (page 13) and timer settings (page 33 to 36) again.

There is no sound.

•Turn MASTER VOLUME clockwise (or press VOLUME + on the remote).

•Make sure the headphones are not connected to the PHONES jack.

•Check the speaker connections (page 9).

•There is no audio output during Timer Recording.

There is no microphone sound.

•Turn MASTER VOLUME (or press VOLUME +/– on the remote repeatedly) or MIC LEVEL to adjust the microphone volume.

•Make sure the microphone is connected to the MIC 1 or MIC 2 jack correctly.

There is severe hum or noise.

•A TV or VCR is placed too close to the unit. Move the unit away from the TV or VCR.

•Move the unit away from the source of noise.

•Connect the unit to a different wall outlet.

•Install a noise filter (commercially available) to the power cord.

The timer cannot be set.

• Set the clock again (page 13).

The timer does not function.

•Check the timer setting and set the correct time (pages 33 to 36).

•Cancel the Sleep Timer function (page 33).

•You cannot select the Play Timer and Timer Recording simultaneously.

continued

Troubleshooting

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Contents Mini Hi-Fi Component System 2GB Table of Contents Additional Information TroubleshootingDisplay Optional ComponentsSS-RSX100 About this manualCD-R/CD-RW Playable discsList of playable discs Discs that this system cannot play backMusic discs encoded with copyright protection technologies Hooking up the system Connect the subwoofer. MHC-GNX100/GNX88/GNX80 only When using a TVGetting Started Connect the front speakersOther models Connect the power cord to a wall outlet10GB Connect the FM and AM antennas11GB When carrying this unitFor MHC-GNX100 Positioning the speakers12GB For MHC-GNX90/GNX88/GNX80/GNX77/ GNX70/GNX66/GNX60/GX9900To adjust the clock Setting the clockGetting Started 13GB 14GB Loading a discPlaying a disc Normal Play/Shuffle PlayDisc Playback 15GB 16GB Other operationsProgram Play Playing repeatedlyCreating your own program Repeat PlayTo program additional discs or tracks 18GBTuner Presetting radio stationsAutomatic tuning preset Manual tuning presetTo improve tuner reception To set to CD Power on20GB Manual Tuning Listening to a preset stationListening to a non-preset radio station Preset TuningPush the center of the tape lid to close the deck Loading a tapePlaying a tape 22GBTape Playback 23GB CD Synchro Recording Recording your favorite tracks on a disc into a tapeProgram Edit Start playing the source to be recorded Recording on a tape manuallyManual Recording Tape Recording 25GBTo cancel the preset effect Adjusting the soundSelecting the preset effect Preset effect options27GB Sound AdjustmentMHC-GNX100/GNX66/GNX60 only Press Surround repeatedly Press MP3 Booster repeatedly Selecting the MP3 Booster effectSelecting the sound system 28GBFlashing sound effect Using the subwooferMHC-GNX100 only To cancel the X-ROUND effectMoving sound effect 30GBMultiplex Effect Sound Adjustment 31GBSelecting the speaker system Selecting audio channel32GB Singing alongWaking up to music Sleep TimerPlay Timer Falling asleep to musicEnter 34GBPress ?/1 to turn off the system Select35GB Timer recording radio programsSet the time to start recording 36GB Power Saving ModeTo cancel Power Saving Mode Turning off the displayPress AMP Menu repeatedly to select Spectrum Display 37GBPress AMP Menu repeatedly to select Dimmer Press Display repeatedly during playback 38GBChecking the total playing time and titles Press Display repeatedly when playback is stoppedWhen the play mode is other than Program When the play mode is ProgramHooking up optional components Digitally. OptionalComponents 41GB To switch between the Video and MD functionListening to a connected VCR, MD deck or DVD player Listening to a connected TVFM antenna 42GBAM antenna General Problems and remediesWhen the ?/1 indicator flashes Troubleshooting 43GBDisc player Speakers44GB Tape deck Troubleshooting 45GB46GB MessagesDisc TapeTroubleshooting 47GB TimerOthers 48GB PrecautionsAdditional Information 49GB SpecificationsMHC-GNX88 SS-WGV88/GNX80 SS-WG80 50GBOptical CD Digital OUT Additional Information 51GBDisc player section Tuner section Tape deck section52GB General Additional Information 53GB54GB How to use page 54 toList of button locations and reference pages Main unitAdditional Information 55GB Top Panel Front PanelSubwoofer Level 4 Subwoofer ON/OFF 1 Remote controlSurround Speaker Mode Subwoofer

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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