MHC-DX60AV/RG70AV

SERVICE MANUAL

Ver 1.0 2001.05
MHC-DX60AV/RG70AV 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-DX60AV COMPACT DISC DECK RECEIVER SYSTEM FRONT SPEAKER CENTER SURROUND SPEAKER REAR SURROUND SPEAKER HCD-DX60AV SS-DX60AV SS-CT60AV SS-RS60AV MHC-RG70AV HCD-RG70AV SS-RG70AV SS-CT70AV SS-RS70AV

HCR-RG70AV

US Model AEP Model

MHC-RG70AV

E Model

MHC-DX60AV

HCR-RG70AV is composed of HCD-RG70AV and SS-CT70AV, SS-RS70AV.

SPECIFICATIONS

Power requirements North American model: European model: Mexican model: Power consumption North American model: European model: Mexican model: Dimensions (w/h/d) Mass North American model: European model: Mexican model: Supplied accessories: 120 V AC, 60 Hz 230 V AC, 50/60 Hz 120 V AC, 60 Hz

PARTS LIST

Part No. Description Remark
ACCESSORIES & PACKING MATERIALS ******************************** 1-476-512-11 1-501-374-11 1-501-659-71 4-210-254-01 4-228-953-01 REMOTE COMMANDER (RM-SR210AU) ANTENNA, LOOP ANTENNA (FM) CUSHION (FOOT) (for SS-DX60AV/RG70AV) COVER, BATTERY (for RM-SR210AU)
170 watts 150 watts 0.5 watts (at the Power Saving Mode) 150 watts Approx. 421 mm
Approx. 9.0 kg Approx. 10.0 kg Approx. 9.5 kg AM loop antenna (1) Remote commander (1) Batteries (2) FM lead antenna (1) Front speaker pads (8)
4-235-231-11 MANUAL, INSTRUCTION (ENGLISH) (RG70AV) 4-235-231-21 MANUAL, INSTRUCTION (FRENCH) (AEP) 4-235-231-31 MANUAL, INSTRUCTION (SPANISH) (DX60AV/RG70AV: AEP) 4-235-231-41 MANUAL, INSTRUCTION (GERMAN, DUTCH, ITALIAN, SWEDISH, POLISH) (AEP) 4-235-232-11 MANUAL, INSTRUCTION (PORTUGUESE) (AEP) 4-235-232-21 4-235-232-31 4-235-233-11 4-235-233-21 4-235-233-31 MANUAL, INSTRUCTION (RUSSIAN) (AEP) MANUAL, INSTRUCTION (RUSSIAN) (AEP) MANUAL, INSTRUCTION (DANISH, FINNISH) (AEP) MANUAL, INSTRUCTION (GREEK) (AEP) MANUAL, INSTRUCTION (HUNGARIAN, CZECH) (AEP)
Design and specifications are subject to change without notice.
4-235-233-41 MANUAL, INSTRUCTION (SLOVAKIAN) (AEP)
MINI Hi-Fi COMPONENT SYSTEM

9-873-840-11

2001E0500-1 C 2001.5

Sony Corporation

Home Audio Company Shinagawa Tec Service Manual Production Group

http://getMANUAL.com

4-235-231-11(1)
Mini Hi-Fi Component System
Operating Instructions Owners Record
The model and serial numbers are located on the rear panel of the unit. Record the serial number in the space provided below. Refer to them whenever you call upon your Sony dealer regarding this product. Model No. Serial No.

MHC-RG70AV/DX60AV

2001 Sony Corporation

WARNING

To prevent fire or shock hazard, do not expose the unit to rain or moisture.
To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. To prevent fire, do not Cover the ventilation of the apparatus with news papers, table-cloths, curtains, etc. And dont place lighted candles on the apparatus. To prevent fire or shock hazard, do not place objects filled with liquids, such as vases, on the apparatus. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. Dont throw a battery, dispose it as the injurious wastes.

CAUTION

The use of optical instruments with this product will increase eye hazard.

INFORMATION

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.
NOTICE FOR THE CUSTOMERS IN THE U.S.A.
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
Note to CATV system installer:
This reminder is provided to call the CATV system installers attention to Article 820-40 of the NEC that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical. This stereo system is equipped with the Dolby Pro Logic Surround decoder.* * Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, and the double-D symbol are trademarks of Dolby laboratories. Confidential unpublished works. 1992-1997 Dolby Laboratories. All rights reserved.
For the customers in North America
This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

ENERGY STAR is a U.S.

registered mark. As an ENERGY STAR Partner, Sony Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

Table of Contents

Parts Identification
Main unit.. 4 Remote Control.. 5

Sound Adjustment

Adjusting the sound.. 19 Selecting the sound effect.. 19 Enjoying Dolby Pro Logic Surround sound.. 20 Selecting the surround effect.. 21 Adjusting the graphic equalizer and storing.. 21

Getting Started

Hooking up the system. 6 Inserting two R6 (size AA) batteries into the remote.. 9 Setting the time.. 9 Saving the power in standby mode. 10

Other Features

Enhancing video game sound Game Sync. 22 Changing the spectrum analyzer display.. 22 Falling asleep to music Sleep Timer.. 22 Waking up to music Daily Timer.. 23
Loading a CD.. 10 Playing a CD Normal Play/Shuffle Play/ Repeat Play.. 10 Programing CD tracks Program Play.. 11 Using the CD display. 12

Optional Components

Hooking up the optional A/V components.. 24 Connecting a DVD player. 24 Connecting a video game machine. 25
Presetting radio stations.. 13 Listening to the radio Preset Tuning.. 14 Using the Radio Data System (RDS)*.. 15

Additional Information

Precautions.. 26 Troubleshooting.. 28 Messages.. 30 Specifications.. 30

* European model only

Loading a tape.. 16 Playing a tape.. 16 Recording to a tape CD Synchro Recording/ Recording Manually/ Program Edit.. 17 Timer-recording radio programs. 18
The items are arranged in alphabetical order. Refer to the pages indicated in parentheses for details.

Main unit

0 qa qs qd

ef ed es

qf qg qh qj qk ql
w; wa wl wk wj wh wg wf wd ws
AUDIO jacks es (25) CD qd (10 12, 17, 18) CD SYNC wg (17, 18) Deck A e; (16) Deck B wa (16 19) DIRECTION* 8 (16 18) DISC ws (11) DISC SKIP EX-CHANGE wk (10, 11) Disc tray 9 (10) DISPLAY 8 (10, 12) DVD 5.1CH wl (24, 25) EDIT 8 (18) EFFECT ON/OFF 4 (20) ENTER qa (9, 10, 12 15, 18, 19, 21, 23, 29) GAME ef (25) GAME EQ 2 (19, 20) GROOVE 5 (19)
MD (VIDEO) qh (24) MOVIE EQ 0 (19, 20) MUSIC EQ 7 (19, 20) P FILE qs (21) PHONES jack ql PLAY MODE 8 (11, 12) PRO LOGIC 3 (20) PTY/DIRECTION 8 (15 18) REC PAUSE/START wf (17) REPEAT 8 (11) SPECTRUM 8 (22) STEREO/MONO 8 (14) TAPE A/B qg (16, 17) TUNER MEMORY 8 (13) TUNER/BAND qf (13, 14, 17) VIDEO jack ed (25) VOLUME control qj

continued

Jack type B Extend the FM lead antenna horizontally AM loop antenna

FM 75 COA XIA L

Hooking up the system (continued)

Positioning the speakers

3 Place the rear surround speakers
facing each other at about 60 to 90 cm above your listening position.

Rear surround speaker

1 Place the front speakers at an angle of
45 degrees from your listening position.
Center surround speaker Front speaker (R) Front speaker (L) 60 to 90 cm
45 Rear surround speaker (R) Rear surround speaker (L)
Adjusting the speaker volume
2 Place the center surround speaker at
about the same height as the front speakers. Align the center surround speaker with the front speakers or place it slightly behind the front speakers.
To enjoy Dolby Pro Logic Surround sound, turn on the Dolby Pro Logic mode, then adjust the volume of each speaker using the test tone provided by the system.
1 Press PRO LOGIC (or PRO LOGIC ON/

OFF on the remote).

PRO LOGIC ON appears.
2 Press TEST TONE on the remote.
Each speaker emits the test tone cyclically in the following order. LEFT (front) t CENTER t RIGHT (front) t REAR R (right) t REAR L (left)
3 From your listening position, press
REAR/CENTER LEVEL on the remote to adjust the volume of the rear surround speakers.
4 Press v or V repeatedly to select the

volume level.

5 To adjust the volume of the center
speaker, repeat steps 3 and 4.
6 Press ENTER when you are finished

adjusting.

Inserting two R6 (size AA) batteries into the remote
Adjust until the volume levels from each speaker become the same.
7 Press TEST TONE on the remote.

The test tone turns off.

e E e E
If you turn VOLUME (or press VOL + or on the remote) all the speaker volume changes.
The test tone feature works only for Dolby Pro Logic Surround sound.
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.

When carrying this system
Perform the following procedure to protect the CD mechanism.
1 Make sure that all discs are removed

from the unit.

If you do not use the remote for a long period of time, remove the batteries to avoid possible damage from battery leakage.
2 Hold down CD and then press ?/1 until

STANDBY appears.

Setting the time
1 Turn on the system. 2 Press CLOCK/TIMER SET on the

remote.

When you release the buttons, LOCK appears.

3 Unplug the power cord.

Proceed to step 5 when CLOCK appears in the display.
3 Press v or V repeatedly to select SET

CLOCK. continued

Setting the time (continued)

Loading a CD

1 Press Z OPEN/CLOSE.

The disc tray opens.

4 Press ENTER. 5 Press v or V repeatedly to set the hour. 6 Press B.
The minute indication flashes.
2 Place a CD with the label side up on the

disc tray.

When you play a CD single (8 cm CD), place it on the inner circle of the tray.
7 Press v or V repeatedly to set the

minute.

8 Press ENTER.
If you made a mistake or want to change the time, start over from step 1.
The clock settings are canceled when you disconnect the power cord or if a power failure occurs.
To insert additional discs, press DISC SKIP EX-CHANGE to rotate the disc tray.
3 Press Z OPEN/CLOSE to close the disc
Saving the power in standby mode
Press DISPLAY repeatedly when the system is off.

Playing a CD

Normal Play/Shuffle Play/Repeat Play
This system lets you play the CD in different play modes.

Disc tray number

Each time you press the button, the system switches cyclically as follows: Demonstration t Clock display t Power Saving Mode
?/1 indicator lights up even in the Power Saving Mode. The timer functions in the Power Saving Mode.
You cannot set the time in the Power Saving Mode.

Disc presence indicator

Track number

Playing time

To cancel the Power Saving Mode
Press DISPLAY once to show the demonstration or twice to show the clock display.
1 Press CD. 2 Press PLAY MODE repeatedly until the
mode you want appears in the display.

Select To play

Do this
Switch to CD function from another source
ALL DISCS (Normal Play) 1DISC (Normal Play) SHUFFLE ALL DISCS (Shuffle Play) SHUFFLE 1DISC (Shuffle Play) PROGRAM (Program Play)

Preset radio stations in the tuners memory first (see Presetting radio stations on page 13).
1 Press and hold TUNER MEMORY until a
preset number appears in the display.
2 Press. or > (or press PRESET
2 Press. or > (or PRESET or + on
the remote) repeatedly to select the preset number you want to erase. or + on the remote) repeatedly to tune in the desired preset station.

Preset number Frequency*

Select ALL ERASE when you want to erase all the preset stations.

3 Press ENTER.

COMPLETE appears. When you erase a preset number, the preset number decreases by one and all preset numbers following the erased one are renumbered.
To change the AM tuning interval (except for the European and Middle Eastern models)
* When only one station is preset, ONE PRESET appears in the display.
To listen to non-preset radio stations
The AM tuning interval is factory-set to 9 kHz (10 kHz in some areas). To change the AM tuning interval, tune in any AM station first, then turn off the system. While holding down ENTER, turn the system back on. When you change the interval, all the AM preset stations are erased. To reset the interval, repeat the same procedure.
Use manual or automatic tuning in step 2. For manual tuning, press + or (or TUNING + or on the remote) repeatedly. For automatic tuning, press and hold + or (or TUNING + or on the remote).
When an FM stereo program has static noise, press STEREO/MONO repeatedly until MONO appears. There will be no stereo effect, but the reception will improve. To improve broadcast reception, adjust the supplied antennas.
The preset stations are retained for half a day even if you unplug the power cord or if a power failure occurs.
Using the Radio Data System (RDS)
(European model only) What is the Radio Data System?
Locating a station by program type (PTY)
You can locate a station you want by selecting a program type. The system tunes in the type of programs currently being broadcast from the RDS stations stored in the tuners preset memory. The types of programs include NEWS, AFFAIRS (current news), INFO, SPORT, EDUCATE (education programs), DRAMA, CULTURE, SCIENCE, VARIED (interviews, games and comedy), POP M, ROCK M, EASY M, LIGHT M, CLASSICS, OTHER M, WEATHER, FINANCE, CHILDREN, SOCIAL, RELIGION, PHONE IN, TRAVEL, LEISURE, JAZZ, COUNTRY (country music), NATION M (nations popular music), OLDIES, FOLK M, DOCUMENT (investigative features), TEST (test signal for emergency broadcast), ALARM (emergency broadcast) and NONE (any programs not defined above).

Radio Data System (RDS) is a broadcasting service that allows radio stations to send additional information along with the regular program signal. This tuner offers convenient RDS features like station name display and location of stations by program type. RDS is available only on FM stations.*
RDS may not work properly if the station you tuned in is not transmitting the RDS signal properly or if the signal is weak. * Not all FM stations provide RDS service, nor do they provide the same types of services. If you are not familiar with the RDS system, check with your local radio stations for details on RDS services in your area.
1 Press PTY/DIRECTION while listening to Receiving RDS broadcasts
Simply select a station from the FM band. When you tune in a station that provides RDS services, the station name appears in the display.
To check the RDS information the radio.
2 Press. or > repeatedly to select the

program type you want.

The tuner starts searching the preset RDS stations (SEARCH and the selected program type are shown alternately in the display). When the tuner receives a program, the preset station number flashes.
Each time you press DISPLAY, the display changes cyclically as follows: Station name* t Frequency t Program type* t Clock display t Effect status
* If the RDS broadcast is not received, the station name and program type may not appear in the display.
4 Press. or > repeatedly to continue
search for the station number you want.
5 Press ENTER while the preset station
number you want is flashing. To cancel PTY search
Press PTY/DIRECTION again.
NO PTY appears when the program type you select is not currently being broadcast.

Loading a tape

1 Press TAPE A/B repeatedly to select

deck A or B.

Stop play Pause Fast-forward or rewind Remove the cassette
Press x. Press X. Press again to resume play. Press m or M. Press Z.
2 Press Z. 3 Insert a tape in deck A or B with the
side you want to play/record facing forward.
With the side you want to play/record facing forward.
Searching for the beginning of the current or the next track (AMS)* To go forward

Press > during playback when N lights in the display. TAPE A (or TAPE B) >>> +1 appears. Press. during playback when n lights in the display. TAPE A (or TAPE B) <<< +1 appears.

To go back

Playing a tape
You can use TYPE I (normal) tape.
1 Load a tape. 2 Press DIRECTION repeatedly to select
g to play one side. Select j* to play both sides.
Press. during playback when N lights in the display. TAPE A (or TAPE B) <<< 1 appears. Press > during playback when n lights in the display. TAPE A (or TAPE B) >>> 1 appears.
* AMS (Automatic Music Sensor)
To play both decks in succession, select RELAY (Relay Play)**.
Press hH (or nN on the remote) again to play the reverse side. The tape starts playing.

Tape presence indicator

When a tape is inserted, corresponding forward/ reverse indicators light.
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 system is placed near a television.

Reverse indicator

Forward indicator
* The deck stops automatically after repeating the sequence five times. ** Relay Play always follows this cyclic sequence up to five times, then stops: Deck A (front side) t Deck A (reverse side) t Deck B (front side) t Deck B (reverse side)

Recording to a tape

CD Synchro Recording/Recording Manually/Program Edit
You can record from a CD, tape or radio. You can use TYPE I (normal) tapes. The recording level is adjusted automatically.
Steps Recording from a CD (CD Synchro Recording) Load a recordable tape into deck B. Press CD. Load the CD you want to record. Press CD SYNC. Press CD, TAPE A/B or TUNER/BAND. Load the CD or tape, or tune in the station you want to record. Press REC PAUSE/START. Recording from a CD/tape/radio manually
Deck B stands by for recording. REC PAUSE/START button 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. Press REC PAUSE/START, and then start playing the desired source.

To stop recording

Press x.
You cannot listen to other sources while recording.
If you want to record from the reverse side, press TAPE A/B to select deck B after step 1. Press hH (or nN on the remote) to start playback of the reverse side, then press x to start recording. The TAPE B reverse indicator lights up. 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 radio: If noise is heard while recording from the radio, move the respective antenna to reduce the noise.

ACTION DRAMA MUSICAL

GAME EQ Effect
Soundtracks and special listening situations
You cannot use both Dolby Pro Logic Surround sound and the DSP surround effects (see page 21) or 5.1 channel surround sound (see page 24) at the same time. When recording the sound, be sure to turn off Dolby Pro Logic Surround sound.

ADVENTURE ARCADE RACING

PlayStation 1, 2 and other video game music sources
Selecting the surround effect
Press DSP on the remote repeatedly to select the surround effect you want.
Adjusting the graphic equalizer and storing
You can adjust the sound by raising or lowering the levels of specific frequency ranges, then store up to three personal files (P FILE) in the memory. Select the audio emphasis you want for your basic sound first.
SURR ON: Reproduces stereo sources in surround sound. HALL: Reproduces the acoustics of a concert hall. THEATER: Reproduces the acoustics of a movie theater. ENHANCED THEATER: Reproduces the acoustics of a large movie theater. DSP OFF: Turns off the DSP mode.
1 Press b or B repeatedly to select a
frequency band, then press v or V to adjust the level.
Frequency band Frequency level
When you select other sound effects, the surround effects will be canceled.

2 Press and hold P FILE.

A personal file number appears in the display.
3 Press P FILE repeatedly to select
P FILE 1 ( 3) where you want to store the equalizer setting.
COMPLETE appears. This setting is automatically stored as the personal file you selected in step 3.

To Press

Call up a personal file Cancel a personal file
P FILE repeatedly to select the desired personal file number. EFFECT ON/OFF repeatedly until EFFECT OFF appears in the display.
Enhancing video game sound

Game Sync

You need to connect a video game machine (see Connecting a video game machine on page 25).

Press GAME.

Falling asleep to music

Sleep Timer

You can set the system to turn off after a certain time, so that you can fall asleep to music.

Hooking up the optional A/V components
You can connect your MD deck or VCR to this system.
To the digital input jack of the MD deck To sub woofer
If you cannot select MD when you press MD (VIDEO), press ?/1 while holding down MD (VIDEO) when the system is on. VIDEO will be switched to MD. To return to VIDEO, do the same procedure. Make sure to match the color of the plugs and the connectors. When you connect a VIDEO CD deck, set to MD.

Connecting a DVD player

When your DVD player has 5.1 channel analog outputs
To listen to the sound from the connected DVD player, press DVD 5.1CH. The indicator on the button lights. When you listen to a stereo sound track from the DVD player, press DVD 5.1CH to turn off the indicator.
To the front output of the DVD player To the rear output of the DVD player
To the audio output of the MD deck or VCR To Do this
Make a digital recording from CD to MD Listen to the connected MD deck Listen to the connected VCR
Connect an optional optical cable.

Press MD (VIDEO).

While holding down MD (VIDEO), press ?/1. This switches the MD function to VIDEO. Once you enable the VIDEO function, just press MD (VIDEO). Connect an optional sub woofer.
To the woofer output of the DVD player To the center output of the DVD player
Connect a sub woofer speaker.
When your DVD player has stereo analog outputs
Connect the LINE OUT (audio) output jack of your DVD player to the FRONT jacks of DVD INPUT with the audio connecting cord. To listen to the sound from the connected DVD player, press DVD 5.1CH to turn off the indicator on the button.
Connecting a video game machine
Connect the video output of the video game machine to the VIDEO jack, and the audio output to the AUDIO jacks on the front panel of the system. Connect the VIDEO OUT jack on the rear panel of the system to the video input of a TV using the optional video cable. To listen to the sound of the connected video game machine, press GAME.
To the video output of the video game machine
Be sure to match the color of the plugs and the connectors. Each time you press DVD 5.1CH, the function changes as follows: DVD 5.1CH (indicator on) y DVD (2 channel) (indicator off) You cannot enjoy the 5.1 channel surround sound if you connect a DVD player which does not have the 5.1 channel analog outputs. When you press DSP or PRO LOGIC while listening to 5.1 channel surround sound, the 5.1 channel surround sound turns to 2 channel surround sound. If there is no sound when you connect a DVD player which has 5.1 channel analog outputs, connect the audio output jacks of your DVD player to the MD (VIDEO) IN jacks, then change the function to MD by pressing MD (VIDEO). If you cannot select MD, see page 24.

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 frequently. The tape may get entangled in the tape deck.

Notes on CDs

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 system. Attempting to do so may damage the system. Do not use such discs.

Cleaning the tape heads

Clean the tape heads after every 10 hours of use. Be sure to clean the tape heads before you start an important recording or after playing an old tape. Use a 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.

Note on CD-R playback

Discs recorded on CD-R drives may not be played back because of scratches, dirt, recording condition or the drives characteristics. Besides, the discs, which are not yet finalized at the end of recording, cannot be played back.
Optional Components/Additional Information

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 from side A or B as illustrated. If you later want to reuse the tape for recording, cover the broken tab with adhesive tape.

Tab of side B

Tab of side A
Break off the cassette tab of side A

Troubleshooting

If you have any problem using this 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.

Amplifier section

North American model: MHC-RG70AV Front speaker: Continuous RMS power output (reference) 60 + 60 watts (6 ohms at 1 kHz, 10% THD) Total harmonic distortion less than 0.07% (6 ohms at 1 kHz, 30 watts) Center speaker: Continuous RMS power output (reference) 40 watts (6 ohms at 1 kHz, 10% THD) Rear speaker: Continuous RMS power output (reference) 40 + 40 watts (6 ohms at 1 kHz, 10% THD)
You have reached the end of the CD.
European model: MHC-RG70AV Front speaker: DIN power output (rated) 40 + 40 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 50 + 50 watts (6 ohms at 1 kHz, 10% THD) Music power output (reference) 95 + 95 watts (6 ohms at 1 kHz, 10% THD) Center speaker: DIN power output (rated) 25 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 35 watts (6 ohms at 1 kHz, 10% THD) Music power output (reference) 65 watts (6 ohms at 1 kHz, 10% THD) Rear speaker: DIN power output (rated) 25 + 25 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 35 + 35 watts (6 ohms at 1 kHz, 10% THD) Music power output (reference) 65 + 65 watts (6 ohms at 1 kHz, 10% THD) Mexican model: MHC-DX60AV Front speaker: DIN power output (rated) 45 + 45 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 60 + 60 watts (6 ohms at 1 kHz, 10% THD) Center speaker: DIN power output (rated) 30 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 40 watts (8 ohms at 1 kHz, 10% THD) Rear speaker: DIN power output (rated) 30 + 30 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 40 + 40 watts (6 ohms at 1 kHz, 10% THD)
Inputs MD/VIDEO IN (phono jacks): voltage 250/450 mV, impedance 47 kilohms DVD INPUT: FRONT IN (phono jacks): voltage 450 mV, impedance 47 kilohms REAR IN (phono jacks): voltage 450 mV, impedance 47 kilohms CENTER IN (phono jacks): voltage 450 mV, impedance 47 kilohms WOOFER IN (phono jacks): voltage 450 mV, impedance 47 kilohms Outputs PHONES (stereo mini jack): accepts headphones of 8 ohms or more FRONT SPEAKER: accepts impedance of 6 to 16 ohms REAR SPEAKER: accepts impedance of 6 to 16 ohms CENTER SPEAKER: accepts impedance of 6 to 16 ohms WOOFER: voltage 1 V, impedance 1 kilohms

CD player section

System Compact disc and digital audio system Laser Semiconductor laser (=780 nm) Emission duration: continuous Frequency response 2 Hz 20 kHz (0.5 dB) Wavelength nm Signal-to-noise ratio More than 90 dB Dynamic range More than 90 dB CD OPTICAL DIGITAL OUT (Square optical connector jack, rear panel) Wavelength 660 nm Output Level 18 dBm

Tape deck section

Recording system Frequency response Wow and flutter 4-track 2-channel stereo 40 13,000 Hz (3 dB), using Sony TYPE I cassettes 0.15% W.Peak (IEC) 0.1% W.RMS (NAB) 0.2% W.Peak (DIN)
Specifications (continued)

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range Antenna Antenna terminals Intermediate frequency

AM tuner section

87.5 108.0 MHz FM lead antenna 75 ohm unbalanced 10.7 MHz
Rear surround speaker SS-RS70AV/ SS-RS60AV Speaker system Full range, bass-reflex type Speaker units Full range: 8 cm, cone type Nominal impedance 6 ohms Dimensions (w/h/d) Approx. 200 mm Mass Approx. 1.0 kg net per speaker
Power requirements North American model: European model: Mexican model: Power consumption North American model: European model: Mexican model: Dimensions (w/h/d) Mass North American model: European model: Mexican model: Supplied accessories: 120 V AC, 60 Hz 230 V AC, 50/60 Hz 120 V AC, 60Hz 170 watts 150 watts 0.5 watts (at the Power Saving Mode) 150 watts Approx. 421 mm Approx. 9.0 kg Approx. 10.0 kg Approx. 9.5 kg AM loop antenna (1) Remote commander (1) Batteries (2) FM lead antenna (1) Front speaker pads (8)
Tuning range Pan-American model:
European model: Antenna Antenna terminals Intermediate frequency
530 1,710 kHz (with the interval set at 10 kHz) 531 1,710 kHz (with the interval set at 9 kHz) 531 1,602 kHz (with the interval set at 9 kHz) AM loop antenna External antenna terminal 450 kHz

Speaker

Front speaker SS-RG70AV/SS-DX60AV Speaker system 3-way, 3-unit, bass-reflex type, magnetically shielded type Speaker units Sub Woofer: 13 cm, cone type Woofer: 13 cm, cone type Tweeter: 5 cm, cone type Nominal impedance 6 ohms Dimensions (w/h/d) Approx. 255 mm Mass Approx. 4.0 kg net per speaker Center surround speaker SS-CT70AV/ SS-CT60AV Speaker system Full range, bass-reflex type, magnetically shielded type Speaker units Full range: 8 cm, cone type Nominal impedance 6 ohms Dimensions (w/h/d) Approx. 200 mm Mass Approx. 1.2 kg net per speaker