Loading the CD.. 9 Playing the CD Normal Play/Shuffle Play/ Repeat Play.. 9 Programming the CD tracks Program Play.. 10
Presetting radio stations.. 11 Listening to the radio Preset Tuning.. 11

Display

Turning off the display Power Saving Mode.. 21 Using the display.. 21
Loading a tape.. 12 Playing a tape.. 12 Recording to a tape CD Synchro Recording/ High Speed Dubbing/Recording Manually/Program Edit.. 13 Timer-recording radio programs. 14
Hooking Up the Optional Components
Connecting an MD deck/VCR. 22 Connecting a Video Game Player. 22 Connecting external antennas. 23

Troubleshooting

Problems and remedies. 24

Additional Information

Precautions.. 26 Specifications.. 27

How to use this page

Illustration number
Use this page to find the location of buttons and other parts of the system that are mentioned in the text.

PLAY MODE e; (9, 10, 14)

Name of button/part

Reference page

Main unit

ALPHABETICAL ORDER A-D

CD eg (7, 9, 10, 13, 14) CD SYNC HI-DUB qf (13, 14) DECK A A wh (12~14) DECK B A qh (12~15) DIMMER 9 (18) DIRECTION q; (12~14) DISC 1~(9, 10) DISC SKIP EX-CHANGE 5 (9, 10) Disc tray 3 (9) DISPLAY 7 (21) GAME ea (18, 22) GAME EQ rd (18) GAME INPUT wd (13, 18) GAME MIXING wl (13, 18) GROOVE rf (16) IR (receptor) 2
REC PAUSE/START qg (13, 14) REPEAT qs (10) SPECTRUM 8 (18) SURROUND el (17) SURROUND SPEAKER MODE (MHC-GX8000/RG77 only) wj (16) TAPE A/B ed (12, 13) TUNER/BAND ef (11) TUNER MEMORY e; (11) VOLUME qa (20)
MD (VIDEO) es (22, 24) MIC wa (19) MIC LEVEL w; (19) MOVIE EQ ek (16) MUSIC EQ eh (16) OPEN/CLOSE Z 6 (9, 10) P FILE r; (17) PHONES (jack) ql (24) PLAY MODE e; (9, 10, 14)
EDIT q; (14) EFFECT ON/OFF rs (16) ENTER ra (10, 11, 14, 15, 17, 20, 25) FM MODE qs (11, 25)

BUTTON DESCRIPTIONS

@/hH ws x qd X wk > qj. wg M/+ qk m/ wf v/V/b/B ej

eh ej ek

ed es ea e; wl wk wj

wh wg X

qh qj qk

ws wa w;

Remote Control

ALPHABETICAL ORDER A-M

CD ql (7, 9, 10, 13, 14) CLEAR 7 (10, 14) CLOCK/TIMER SELECT 2 (15, 20) CLOCK/TIMER SET 3 (8, 14, 20) D.SKIP 9 (9) ENTER qd (8, 10, 11, 14, 15, 17, 20) EFFECT ON/OFF qf (16) GAME w; (18, 22) MD (VIDEO) q; (22)
PRESET wd (11) PRESET + wf (11) PRESET EQ qj (16) P FILE qh (17) SURROUND SPEAKER MODE (MHC-GX8000/RG77 only) qs (16) SURROUND qs (17) SLEEP 1 (19) TAPE A/B qa (12, 13) TUNER/BAND qk (11) TUNING wa (11) TUNING + ws (11) VOL +/ 8 (20)

@/hH wg X5 x6. wd > wf m wa M ws v/V/b/B qg

Y X W V U T S R qj

q; qa qs qd qf qg

Hooking up the system

Do the following procedure 1 to 5 to hook up your system using the supplied cords and accessories.
AM loop antenna FM antenna
Surround speaker (Right) (MHC-GX8000/ RG77 only)

Front speaker (Right)

Front speaker (Left)
Surround speaker (Left) (MHC-GX8000/ RG77 only)
1 Connect the front speakers.
3 Connect the FM and AM antennas.
Connect the speaker cords to the SPEAKER (MHC-RG66T)/FRONT SPEAKER (MHC-GX8000/RG77) jacks.
Insert only the stripped portion.
Set up the AM loop antenna, then connect it.
Jack type A AM loop antenna
Extend the FM lead antenna horizontally.
Red/Solid (3) Black/Stripe (#)
2 Connect the surround speaker (MHC-GX8000/RG77 only).
Connect the speaker cords to SURROUND SPEAKER jacks.
Jack type B AM loop antenna
Blue/Solid (3) Black/Stripe (#) Note
Keep the speaker cords away from the antennas to prevent noise.
4 For models with a voltage selector, set VOLTAGE SELECTOR to the position of your local power line voltage.

120V 220V 230240V

Positioning the speakers
Place the front speakers at an angle of 45 degrees from your listening position.
Front speaker (L) Front speaker (R)
5 Connect the power cord to a wall outlet.
The demonstration appears in the display. When you press ?/1, the system turns on and the demonstration automatically ends. If the supplied adaptor on the plug does not fit your wall outlet, detach it from the plug (only for models equipped with an adaptor).
To connect optional components
Surround speaker (L) (MHC-GX8000/ RG77 only)
Surround speaker (R) (MHC-GX8000/ RG77 only)
Notice for carrying this system

See page 22.

To attach the speaker pads
Do the following to protect the CD mechanism.
1 Make sure that all discs are removed

from the unit.

Attach the supplied speaker pads to the bottom of the speakers to stabilize the speakers and prevent them from slipping.
2 Hold down CD and then press ?/1 until

LOCK appears.

3 Release ?/1 first, then release CD. 4 Unplug the AC power cord.
Inserting two size AA (R6) batteries into the remote

AA (R6) batteries

e E e E
With normal use, the batteries should last for about six months. When the remote no longer operates the system, replace both batteries with new ones.

Track number

Total playing time (including selected track)
Exchange other CDs Press DISC SKIP while playing EX-CHANGE. Remove the CD

Press OPEN/CLOSE Z.

5 Press ENTER.
The track(s) is (are) programmed. The program step number appears, followed by the total playing time.
All the tracks repeated up to five times. You cannot use this function during SHUFFLE ALL DISCS. *2 To repeat the current track you are playing.
6 To program additional tracks, repeat

steps 3 to 5.

Pressing the CD while the power is off automatically turns the power on and CD is selected as a function.
Skip step 3 to select tracks from the same disc.
Programming the CD tracks

Program Play

You can make a program of up to 25 tracks from all the CDs in the order you want them to be played.

7 Press hH.

Cancel Program Play
Press PLAY MODE repeatedly until 1 DISC or ALL DISCS appears in the display. Press CLEAR on the remote when playback is stopped. 1 Press one of the DISC 1~3 buttons to select a CD. 2 Press. or > repeatedly to select the track. 3 Press ENTER.
1 Press CD. 2 Press PLAY MODE repeatedly until
PROGRAM appears in the display.
Clear a track from the end Add a track to the program when playback is stopped
3 Press one of the DISC 1~3 to select a
To program all the tracks on a CD at once, proceed to step 5 while AL appears on the display.
The program you made remains in the systems memory even after it has been played back. Press hH to play the same program again. If --.-- appears instead of the total playing time during programming, this means: you have programmed a track number which exceeds 20. the total playing time has exceeded 100 minutes.
Presetting radio stations
You can preset 20 stations for FM and 10 stations for AM.
The preset stations are retained for half a day even if you unplug the power cord or if a power failure occurs. Pressing TUNER/BAND while the power is off automatically turns the power on and TUNER is selected as a function.
1 Press TUNER/BAND repeatedly to

select FM or AM.

Listening to the radio

Preset Tuning

2 Press and hold M or m (or TUNING
+/ on the remote) until AUTO appears in the display and the frequency indication starts to change, then release.
Preset radio stations in the tuner's memory first (see Presetting radio stations).
Scanning stops when the system tunes in a station. TUNED and STEREO (for a stereo program) appear.

MHz AUTO

2 Press. or > (or press PRESET
+/ on the remote) to tune in the preset station you want.

Preset number Frequency

Example: searching forward 2 songs
* AMS (Automatic Music Sensor)
* Relay Play always follow this cyclic sequence: Deck A (front side) t Deck A (reverse side) t Deck B (front side) t Deck B (reverse side)
The AMS function may not operate correctly under the following circumstances: When the unrecorded space between songs is less than 4 seconds long. When the unit is placed near a television.

Recording to a tape

CD Synchro Recording/High Speed Dubbing/Recording Manually/ Program Edit
You can record from a CD, tape, radio or other connected component. The recording level is adjusted automatically.
Steps Recording from a CD (CD Synchro Recording) Recording from a tape (High-Speed Dubbing)

Recording Manually

Insert a recordable tape into deck B.
Press CD. Load the CD you want to record.
Press TAPE A/B repeatedly Press a function button to select TAPE A. for the recording source. Load the tape you want to record into deck A. Load the CD or tape (or other audio sources), or tune to the station you want to record. Press REC PAUSE/ START.

Press CD SYNC HI-DUB.

DECK B stands by for recording. REC PAUSE/START indicator flashes.
Press DIRECTION repeatedly to select g to record on one side. Select j (or RELAY) to record on both sides. Press REC PAUSE/START. If you are recording manually, press hH to start playing the source (for CD or Tape).

Recording starts.

Press x to stop recording.
When you record on both sides, be sure to start from the front side. If you start from the reverse side, recording stops at the end of the reverse side. For recording from the reverse side: After step 1, press TAPE A/B to select deck B and press hH twice to start playback of the reverse side. Press x at the point where you want to start recording. The TAPE B reverse side indicator lights up. (High-Speed Dubbing only) If you set direction to j when the tapes you use have different lengths, the tapes in each deck reverses independently. If you select RELAY, the tapes in both decks reverse together. For recording from the radio: If noise is heard while recording from the radio, move the respective antenna to reduce the noise.
For recording from a CD to a tape manually: You can press. or > to select tracks during recording pause mode (after step 4 and before step 6). You can mix the sound from the component connected to the GAME INPUT jacks with another function such as CD, tape, radio or an MD connected to this system. To record the mixed sound, press GAME MIXING after step 4 of Recording Manually and then press REC PAUSE/START to start recording. Game Mixing does not function during High-Speed Dubbing and CD Synchro Recording.
You cannot listen to other sources while recording.

Recording to a tape (continued)

Do This

Cancel Program Edit
Recording a CD by specifying track order

Program Edit

You can record tracks from all the CDs in the order you want. When programing, make sure the playing times for each side do not exceed the length of one side of the tape.
Clear a track from the end
Press PLAY MODE repeatedly until 1 DISC or ALL DISCS appears in the display. Press CLEAR on the remote when playback is stopped.
1 Insert a recordable tape into deck B,

then press CD.

2 Press PLAY MODE repeatedly until
To check the required tape length for recording a CD, press EDIT after you have loaded a CD and pressed CD. The required tape length for the currently selected CD appears, followed by the total playing time for side A and side B respectively (Tape Select Edit).
3 Press one of the DISC 13 button to

select a CD.

You cannot use Tape Select Edit for discs containing over 20 tracks.
To program all the tracks on a CD at once, proceed to step 6 while AL appears in the display.
Timer-recording radio programs
To timer-record, you must preset the radio station (see Presetting radio stations on page 11) and set the clock (see Setting the clock on page 8) beforehand.
tracks you want appears in the display.
1 Tune in the preset radio station (see
Listening to the radio on page 11).
2 Press CLOCK/TIMER SET on the

DAILY1 SET appears.

7 Press CD SYNC HI-DUB.
Deck B standby for recording. The REC PAUSE/START indicator flashes.
3 Press V or v repeatedly to select REC

SET, then press ENTER.

8 Press DIRECTION repeatedly to select
g to record on one side. Select j (or RELAY) to record on both sides.
ON appears and the hour indication flash in the display.
4 Set the time to start recording.
Press V or v repeatedly to set the hour, then press ENTER. The minute indication starts flashing. Press V or v repeatedly to set the minute, then press ENTER. The hour indication flashes again.

9 Press REC PAUSE/START.

5 Set the time to stop recording following

the above procedure.

The start time appears, followed by the stop time, the preset radio station to be recorded (e.g., TUNER FM 5), then the original display appears.
6 Insert a recordable tape into deck B.
Make sure the tape is in forward direction.

7 Turn off the power.

When the recording starts, the volume level is set to the minimum.

Do this

Check the setting
Press CLOCK/TIMER SELECT on the remote and press V or v repeatedly to select REC SEL. Then, press ENTER. Start from step 1. Press CLOCK/TIMER SELECT on the remote and press V or v repeatedly to select TIMER OFF. Then, press ENTER.
Change the setting Cancel timer operation
If the power is on at the preset time, the Timer recording does not work. The power turns on 15 seconds before the preset time.

Adjusting the sound

You can reinforce the bass and create a more powerful sound.

Press GROOVE.

Selecting the preset effect
Press MUSIC EQ, MOVIE EQ or GAME EQ (or PRESET EQ on the remote) repeatedly to select the preset effect you want.
Each time you press this button, the display changes cyclically as follows: GROOVE t V-GROOVE t GROOVE OFF

GROOVE

The preset effect name appears in the display. See the chart Preset effect options.

To cancel the effect

The volume switches to power mode and the equalizer curve changes.

V-GROOVE

Press EFFECT ON/OFF repeatedly until EFFECT OFF appears.

Preset effect options

The volume switches to power mode, the low base frequencies are powerfully reinforced, and the equalizer curve changes.
SUR appears if you select an effect with surround effects.

MENU button Effect For

Selecting the speaker system

(MHC-GX8000/RG77 only)

MUSIC EQ
ROCK POP JAZZ DANCE SOUL ORIENTAL* ACTION DRAMA MUSICAL ARCADE RACING ADVENTURE

standard music sources.

MOVIE EQ GAME EQ
You can enjoy different sounds when you select the surround speaker mode.
Press SURROUND SPEAKER MODE to select the surround speaker mode you want.
soundtracks and special listening situations. Play station 1, 2 and other video game music sources.
LINK : Reproduces the same sound with the different output level. MATRIX SUR : Reproduces a wide range of sound that actually can sense the size of the room.
* CLASSIC for Latin and North American models only.
Adjusting the graphic equalizer and storing a personal file
You can adjust the sound by raising or lowering the level of specific frequency band, then store up to three personal files (P FILE) in the memory. Before operation, select the preset effect you want for your basic sound.
Selecting the surround effect

Press SURROUND.

Each time you press the button, the display changes as follows: SURROUND ON (SUR ) Y SURROUND OFF
When you choose other sound effects, the surround effect may be cancelled.
1 Press b or B repeatedly to select a
frequency band or surround, then press v or V to adjust the level or select the surround effect.
Frequency band Frequency level
2 Press and hold P FILE until the

* The power turns off when the current CD or tape finishes playback (for up to 100 minutes).
3 Start playing the music and adjust the

volume.

4 Adjust the microphone volume by
turning MIC LEVEL. After you have finished.
Turn MIC LEVEL to MIN and disconnect the microphone from MIC jack.
Check the remaining time Change the time to turn off Cancel the Sleep Timer
Press SLEEP once. Press SLEEP repeatedly to select the time you want. Press SLEEP repeatedly until SLEEP OFF appears.
You can mix and record sound from microphone after step 2. To record the sound see Recording Manually on page 13. To stop recording, press x. If acoustic feedback (howling) occurs, move the microphone away from the speakers or change the direction of the microphone. If you want to record your voice through the microphone only, you can do so by selecting the CD function and not playing a CD. When high level sound signals are input, the unit automatically adjust the recording level to prevent distortion of the recorded sound signals (Auto Level/ Control Function).
The microphone does not function during High Speed Dubbing.

Waking up to music

Daily Timer
You can wake up to music at a preset time every day. Make sure you have set the clock (see Setting the clock on page 8).
The type of timer (DAILY1 or DAILY2), followed by the start time, stop time and the music source appears, then the original display appears.

9 Turn off the power.

1 Prepare the music source you want to
CD: Load a CD. To start from a specific track, make a program (see Programming the CD tracks on page 10). Tape: Load a tape with the side you want to play facing forward. Radio: Tune in the preset station you want (see Listening to the radio on page 11).
Press CLOCK/TIMER SELECT on the remote and press V or v repeatedly to select the respective mode (DAILY1 or DAILY2), then press ENTER. Start from step 1. Press CLOCK/TIMER SELECT on the remote and press V or v repeatedly to select TIMER OFF, then press ENTER.

Change the setting Cancel the timer operation
2 Adjust the volume. 3 Press CLOCK/TIMER SET on the
4 Press V or v repeatedly to select
DAILY1 SET (or DAILY2 SET), then press ENTER.
The power turns on 15 seconds before the preset time.
If the power is on at the preset time, the Daily Timer does not work.
ON appears and the hour digits flash in the display.
5 Set the time to start playback.
Press V or v repeatedly to set the hour, then press ENTER. The minute indication flashes. Press V or v repeatedly on the remote to set the minute, then press ENTER. The hour indication flashes again.
6 Set the time to stop playback following

step 5 above.

7 Press V or v repeatedly until the music

source you want appears.

The indications change as follows:
t TUNER y CD PLAY T t TAPE PLAY T

Turning off the display

Power Saving Mode
The demonstration display (the display changes and the indicators flash even when the system is turned off) and the clock display can be turned off to minimize the amount of power consumed during standby mode (Power Saving Mode).
Press DISPLAY repeatedly while the system is turned off until the demonstration display or the clock display disappears. To cancel Power Saving Mode Press DISPLAY once to show the demonstration, twice to show the clock display.

Using the display

You can check the remaining time of the current track or that of the CD. When a CD TEXT disc is loaded, you can check the information stored on the disc, such as the titles. When the unit detects CD TEXT discs, the CD-TEXT indication appears in the display.

Press DISPLAY.

Each time you press the button, the display changes cyclically as follows:

During normal playback

Each time you press the button, the system changes cyclically as follows: Demonstration t Clock* t Power Saving Mode
* --.-- appears in the display if you have not set the clock.
Playing time of the current track t Remaining time of the current track t Remaining time of the current CD (1 DISC mode) or --.-- display (ALL DISCS mode) t Title name of the current track1) t Clock display (for eight seconds) t Effect status

When playback is stopped

When the CD player is in program mode and there is a program: The last track number of the program and the total playing time2) t Total number of programmed tracks (for eight seconds)3) t Title name of the CD1) t Clock display (for eight seconds) t Effect status In other conditions: Total number of tracks and the total playing time t Title name of the CD1) t Clock display (for eight seconds) t Effect status

The @/1 indicator lights up even in Power Saving Mode. The timer continues to operate in Power Saving Mode. During Power Saving Mode, the following functions do not work: Setting the time. Changing the AM tuning interval. Pressing a function button to turn the power on. Switching the function of MD (VIDEO).
With CD TEXT discs only (certain characters cannot be displayed). Depending on the disc, some CD TEXT information may not appear. --.-- appears in the following cases: when the CD contains 21 tracks or more, and the track number which exceeds 20 is selected. when the program time exceeds 100 minutes. CD NO STEP appears in the display if there is no program track.
Connecting an MD deck or VCR
You can connect your MD deck or VCR to this system. Be sure to match the color of the plugs and the connectors.
Optical cover holder To the DIGITAL IN jack of your MD deck To the audio output of your MD deck/VCR
Connecting a Video Game Player
You can enjoy the video games with audio emphasis by connecting a video game player.
To the audio and video output of your video game player.
Make a digital recording from CD to MD
Connect an optional optical cable.
Listen to the analog Press MD (VIDEO). sound of a connected MD deck Listen to the connected VCR Hold down MD (VIDEO) and press @/1 while the power is on. Release @/1 first, then release MD (VIDEO). This switches the function from MD to VIDEO. Once you switched to the VIDEO function, just press MD (VIDEO).
To the video input of your TV To Do this
Listen to the sound of a connected video game player
Press GAME (or GAME on the remote).
When you remove the optical cover, keep it at the optical cover holder provided.
Select the preset effect (See Selecting the preset effect on page 16)
Pressing the MD (VIDEO) while the power is off automatically turns the power on and MD is selected as a function. If the sound is distorted or too loud when VIDEO function is selected, or you want to switch back to MD function, repeat the operation described above to switch to MD function.
Pressing GAME while the power is off automatically turns the power on and GAME is selected as a function. The equalizer also switches to GAME EQ and the previously selected effect is restored.

Turn VOLUME clockwise. The headphones are connected to the PHONES jack. 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. The protective device on the amplifier has been activated because of short circuit. (PROTECT and PUSH POWER flash alternately.) Turn off the unit, eliminate the short-circuit problem and turn on the power again. There is no audio output during TimerRecording.
There is severe hum or noise.
A strong signal is input. Turn off the power, leave the system turned off for a while, then turn on the power again. If PROTECT and PUSH POWER still appear alternately check the speaker cords.

Speakers

Sound comes from only one channel or unbalanced left and right volume.
Check the speaker connection and speaker placement.

Sound lacks bass.

A TV or VCR is placed too close to the unit. Move the unit away from the TV or VCR.
The sound from the component connected to the MD (VIDEO) jacks is distorted.
Check that the speakers + and terminals are connected correctly.
If VIDEO appears in the display when you press MD (VIDEO), switch to MD function (see Note: Connecting an MD deck/VCR on page 22).

CD Player

The disc tray does not open and LOCKED appears on the front panel display.
There is severe hum or noise (TUNED or STEREO flashes in the display).
Contact your Sony dealer or local authorized Sony service facility.
The disc tray does not close.
Adjust the antenna. The signal is too weak. Connect an external antenna.
A stereo FM program cannot be received in stereo.
The CD is not placed properly.

The CD does not play.

The CD is not lying flat in the disc tray. The CD is dirty. The CD is inserted label side down. Moisture condensation has built up. Remove the CD and leave the system turned on for about an hour until the moisture evaporates.
Press FM MODE so that MONO disappears.
If other troubles not described above occur, reset the system as follows:

1 Press x, ENTER and ?/1 at the same
Playback does not start from the first track.
The player is in Program Play or Shuffle Play mode. Press PLAY MODE repeatedly until 1 DISC or ALL DISCS appears.

OVER is displayed.

2 Unplug the power cord. 3 Plug the power cord back in. 4 Press ?/1 to turn on the power.
The unit is reset to factory settings. All the settings are cleared.
You have reached the end of the CD. Press m.

Tape Deck

The tape does not record.
The tab has been removed from the cassette, cover the broken tab with adhesive tape. The tape has reeled to the end.
The tape does not record nor play or there is a decrease in sound level.
The heads are dirty. (See Cleaning the tape heads on page 26). The record/playback heads are magnetized. (See Demagnetizing the tape heads on page 26).
The tape does not erase completely.
The record/playback heads are magnetized. (See Demagnetizing the tape heads on page 26).
There is excessive wow or flutter, or the sound drops out.
The capstans or pinch rollers are dirty. (See Cleaning the tape heads on page 26).
Noise increases or the high frequencies are erased.

Notes on CDs

Precautions

On operating voltage

Before operating the unit, check that the operating voltage of your unit is identical with the voltage of your local power supply.
Before playing, clean the CD with a cleaning cloth. Wipe the CD from the center out. Do not use solvents. Do not expose the CD to direct sunlight or heat sources. Discs with non-standard shapes (e.g., heart, square, star) cannot be played on this unit. Attempting to do so may damage the unit. Do not use such discs.

On safety

The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off. Unplug the unit from the wall outlet (mains) if it is not to be used for an extended period of time. To disconnect the cord (mains lead), pull it out by the plug. Never pull the cord itself. Should any solid object or liquid fall into the component, unplug the unit and have the component checked by qualified personnel before operating it any further. The AC power cord must be changed only at the qualified service shop.
Note on CD-R/CD-RW playback
Discs recorded on CD-R/CD-RW drives may not be played back because of scratches, dirt, recording conditions or the drive's characteristics. Besides, the discs which are not yet finalized at the end of recording, cannot be played back.

Cleaning the cabinet

Use a soft cloth slightly moistened with mild detergent solution.
To save a tape permanently
To prevent a tape from being accidentally recorded over, break off the cassette tab. Refer to the instructions of the tape.

On placement

Place the unit in a location with adequate ventilation to prevent heat build-up in the unit. Do not place the unit in an inclined position. Do not place the unit in locations where it is: extremely hot or cold dusty or dirty very humid vibrating subject to direct sunlight Use caution when placing the unit or speakers on surfaces that have been specially treated (with wax, oil, polish, etc.) as staining or discoloration of the surface may result.
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. 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.

On heat buildup

Although the unit heats up during operation, this is not a malfunction. Place the unit in a location with adequate ventilation to prevent heat build-up in the unit. If you use this unit at a large volume, the cabinet temperature of the top, side and bottom rises considerably. To avoid burning yourself, do not touch the cabinet. To prevent a malfunction, do not cover the ventilation hole for the cooling fan.
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.

On operation

If the unit is brought directly from a cold to a warm location, or is placed in a very damp room, moisture may condense on the lens inside the CD player. Should this occur, the unit will not operate properly. Remove the CD and leave the unit turned on for about an hour until the moisture evaporates. When you move the unit, take out any discs. If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.

MHC-GX8000/RG66T/RG77

SERVICE MANUAL

Ver 1.0 2002.02

MHC-GX8000/RG66T/RG77 are composed of following models. As for the service manual, it is issued for each component model, then, please refer to it. COMPONENT MODEL NAME
MHC-GX8000 COMPACT DISC DECK RECEIVER SYSTEM FRONT SPEAKER SURROUND SPEAKER HCD-GX8000 SS-RG88 SS-RS88 MHC-RG77 HCD-RG77 SS-RG88 SS-RS88 MHC-RG66T HCD-RG66T SS-RG88

US Model

MHC-GX8000

E Model

MHC-RG66T/RG77

SPECIFICATIONS

Power requirements North America and Mexican models: 120 V AC, 60 Hz Argentina/Thailand models: 220 V AC, 50/60 Hz Other models: 120 V, 220 V or 230 - 240 V AC, 50/60 Hz Adjustable with voltage selector Power consumption MHC-GX8000/RG77 MHC-RG66T Dimensions (w/h/d) Mass : Supplied accessories: 240 watts 230 watts Approx. 280 x 360 x 445 mm Approx. 11.0 kg AM loop antenna (1) Remote commander (1) Batteries (2) FM lead antenna (1) Front speaker pads (8) Surround speaker pads (8) (MHC-GX8000/RG77 only)

PARTS LIST

Part No. Description Remark
1-476-502-11 COMMANDER, STANDARD (RM-SR230) (GX8000/RG77) 1-476-503-11 COMMANDER, STANDARD (RM-SR210) (RG66T) 1-501-374-11 1-501-659-71 4-210-254-02 4-228-953-01 ANTENNA, LOOP (AM) ANTENNA (FM) CUSHION (FOOT) (for SS-RG88/RS88) COVER, BATTERY (for RM-SR210/SR230)
4-238-409-11 MANUAL INSTRUCTION (ENGLISH) (GX8000/RG66T: AR, E2, E51/RG77: AR, E2, E51, SP) 4-238-409-21 MANUAL INSTRUCTION (FRENCH) (RG66T: E2/RG77:E2, SP) 4-238-409-31 MANUAL INSTRUCTION (SPANISH) (RG66T/RG77) 4-238-409-41 MANUAL INSTRUCTION (TRADITIONAL CHINESE) (RG77: SP) Abbreviation AR : Argentine model E2 : 120 V AC Area in E model E51 : Chilean and Peruvian model SP : Singapore model
Design and specifications are subject to change without notice.
MINI Hi-Fi COMPONENT SYSTEM

9-873-578-01

2002B0500-1 C 2002.02

Sony Corporation

Home Audio Company Published by Sony Engineering Corporation.

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