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1
Mini Hi-Fi
Component
System
©1999 by Sony Corporation
Operating Instructions
3-865-612-14(1)
MHC-GRX90AV / RXD10AV
Owner's Record
The model and serial numbers are located on the rear panel. 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. _______________


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2
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.
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.
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.
CAUTION
You are cautioned that any changes or modifications
not expressly approved in this manual could void
your authority to operate this equipment.
NOTICE FOR THE CUSTOMERS IN
CANADA
CAUTION:
TO PREVENT ELECTRIC SHOCK, DO NOT USE
THIS POLARIZED AC PLUG WITH AN
EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET UNLESS THE
BLADES CAN BE FULLY INSERTED TO PREVENT
BLADE EXPOSURE.
This stereo system is equipped with the Dolby B-
type noise reduction system*.
* Manufactured under license from Dolby
Laboratories Licensing Corporation.
DOLBY and the double-D symbol a are
trademarks of Dolby Laboratories Licensing
Corporation.
NOTICE FOR THE CUSTOMERS IN THE
U.S.A.
This symbol is intended to alert the
user to the presence of uninsulated
"dangerous voltage" within the
product's 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.
CAUTION
The use of optical instruments with this product will
increase eye hazard.


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Table of Contents
Getting Started
Step 1: Hooking up the system ............ 4
Step 2: Setting up your speakers ......... 7
Step 3: Setting the time ......................... 9
Step 4: Presetting radio stations ........ 10
Saving the power in standby mode ... 12
Basic Operations
Playing a CD ......................................... 13
Recording a CD .................................... 15
Listening to the radio ........................... 16
Recording from the radio .................... 17
Playing a tape ........................................ 18
Recording from a tape ......................... 20
The CD Player
Using the CD display ........................... 22
Playing the CD tracks repeatedly ...... 23
Playing the CD tracks in random
order ................................................ 24
Programming the CD tracks ............... 25
Playing CDs without interruption ..... 26
The Tape Deck
Recording on a tape manually ........... 27
Recording a CD by specifying track
order ................................................ 28
DJ Effects
Looping part of a CD ........................... 30
Flashing part of a CD ........................... 30
Sound Adjustment
Adjusting the sound ............................ 31
Selecting the audio emphasis ............. 32
Changing the spectrum analyzer
display ............................................. 33
Selecting surround effects ................... 34
Enjoying Dolby Pro Logic Surround
sound ............................................... 35
Adjusting the graphic equalizer ......... 36
Making a personal audio emphasis
file .................................................... 37
Other Features
Using the Radio Data System (RDS)* 38
Singing along: Karaoke ...................... 40
Falling asleep to music ........................ 42
Waking up to music ............................. 43
Timer-recording radio programs ....... 44
Optional components
Connecting audio components .......... 45
Connecting a VCR ................................ 47
Connecting a DVD player ................... 47
Connecting external antennas ............ 48
Additional Information
Precautions ............................................ 50
Troubleshooting ................................... 51
Specifications ........................................ 54
Index ........................................ Back cover
* European model only


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4
Getting Started
Step 1: Hooking up the system
Do the following procedure 1 to 6 to hook up your system using the supplied cords and
accessories.
Center
surround speaker
Front speaker (Left)
Front speaker (Right)
Rear surround speaker (Left)
Rear surround speaker (Right)
1 Connect the front speakers.
Connect the speaker cords to the FRONT
SPEAKER jacks as below.
For the front speakers with jacks,
connect the speaker cords to the speaker
in the same way.
+
­
R
L
+
Insert only the stripped portion.
Black/
Stripe (
')
Red/
Solid (
`)
Notes
· Keep the speaker cords away from the
antennas to prevent noise.
· The type of speakers supplied vary
according to the model you purchased
(see "Specifications" on page 54).
FM antenna
AM loop antenna
6
1
5
1
4
2 3
1
2
3
2


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5
FM75
AM
COAXIAL
2 Connect the rear surround speakers.
Connect the speaker cords to the REAR
SURROUND SPEAKER jacks.
Notes
· Keep the speaker cords away from the
antennas to prevent noise.
· Do not place the rear surround
speakers on top of a TV. This may
cause distortion of the colors in the TV
screen.
· Be sure to connect both left and right
rear surround speakers. Otherwise,
the sound will not be heard.
3 Connect the center surround
speaker.
Connect the speaker cords to the
CENTER SURROUND SPEAKER jacks.
Note
Keep the speaker cords away from the
antennas to prevent noise.
R
L
+
+
­
Insert only the stripped portion.
Black/
Stripe (
')
Red/
Solid (
`)
4 Connect the FM/AM antennas.
Set up the AM loop antenna, then
connect it.
Jack type A
Jack type B
5 For models with a voltage selector,
set VOLTAGE SELECTOR to
position of your local power line
voltage.
FM75
AM
Extend the FM lead
antenna horizontally.
AM loop antenna
Extend the FM lead
antenna horizontally.
AM loop antenna
Insert only the stripped portion.
Black/
Stripe (
')
Red/
Solid (
`)
R
L
+
+
­
VOLTAGE
SELECTOR
220V
120V
230
240V
-
continued