Page 1
Compact Disc
Player
Operating Instructions
3-862-574-11 (1)
DIGITAL AUDIO
CDP-CX681
11998 by Sony Corporation
Page 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 quaiified
personnel only.
- 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
modification not expressly approved in
this manual could void your authority to
operate this equipment.
Welcome!
Thank you for purchasing the Sony
Compact Disc Player. Before operating
the unit, please read this manual
thoroughly and retain it for future
reference.
About This Manual
The instructions in this manual are for
model CDP-CX681.
This symbol is intended to alert
the user to the presence of
A
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
A
important operating and
maintenance (servicing)
instructions in the literature
accompanying the appliance.
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:
Owner's Record
The model and serial numbers are
located at the rear 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. CDP'CX681
Serial No.
___
_______________________
Conventions
• Instructions in this manual describe
the controls on the player.
• The following icons are used in this
manual;
Indicates hints and tips for
* making the task easier.
Page 3
Table of contents
Getting Started
Unpacking.................................................................................................................................... 4
Hooking Up the System..............................................................................................................4
Inserting CDs............................................................................................................................... 6
Playing a CD....................................................................................................8
Playing CDs
Locating a Specific Disc........................................................................................................... 10
Specifying the Next Disc to Play............................................................................................ 10
Locating a Specific Track........................................................................................................ 11
Playing Repeatedly.................................................................................................................... 11
Playing in Random Order (Shuffle Play).............................................................................. 12
Creating Your Own Program (Program Play)..................................................................... 13
Playing in a Group (Block Play)............................................................................................. 14
Additional Information
Precautions................................................................................................................................ 16
Notes on CDs^.......................................................................................................................... 16
Troubleshooting........................................................................................................................ 17
Specifications............................................................................................................................. 17
Index........................................................................................................ 18
Page 4
Getting Started
■ irXAi.
Unpacking
Check that you received the following items:
• Audio cord (1)
• CD booklet holders (2) and label (1)
How to use the CD booklet holder
The CD booklet holder helps you locate the disc easily.
After you have inserted discs into the player, you can puf
the CD booklet (which comes with a CD) into the
supplied holder. Put two CD booklets facing back to back
into a pocket. Stick the number label on each pocket,
matching the number of the disc slot where you have
inserted the disc. You can put up to 200 CD booklets into
the holders.
Hooking Up the System
Overview
This section describes how to hook up the CD player to
an amplifier. Be sure to turn off the power of each
component before making the connections.
CONTROL A1 MODE
COMMAND
What cords will I need?
Audio cord (1) (supplied)
White
4
Page 5
Getting Started
Hookups
when connecting the audio cord, be sure to match the
color-coded cord to the appropriate jacks on the
components: Red (right) to Red and White (left) to
White. Be sure to make connections firmly to avoid
hum and noise.
CD player
( LINE out' ( INPUT 'l
L0-
R0—
When to use the COMMAND MODE selector
rhe COMMAND MODE selector is set to CDl at the
factory for normal use. You can control this player by
connecting to a Sony CD Player with the player control
function, via the CONTROL A1 jacks. When making this
connection, set the COMMAND MODE selectors of each
player to the appropriate position according to the
connected line input jacks. For details, refer to the
instructions supplied with the connected player.
Amplifier
CD
—©L
—0R
^ )
Connecting the AC power cord
Connect the AC power cord to a wall outlet.
- Note on placement
Be sure to place the player on a horizontal place.
If the player is slanted, it may cause malfunction or
damage the player.
o
□
o
o
X
Page 6
Getting Started
Inserting CDs
You can insert up to 200^Hscs into this player.
l/(i) Front cover OPEN JOG
1 Press I /(I) to turn on the player.
2 Press OPEN.
The disc number at the loading position appears in
the display.* As you turn the JOG dial, the disc
number changes.
Disc number
You can arrange your discs into groups and play
them within a certain group using the Block Play
function. When using this function, you have to
insert discs into the slots assigned to one of the
eight groups. For details, see "Playing Discs in a
Group" on page 15.
* If you have already inserted discs, the disc number at
the playing position appears. When you turn the JOG
dial, the displayed disc number changes to the one at
the loading position.
4 Insert a disc with the label side facing right.
Notes------------------------------------------------------------
• Make sure you have inserted the disc into each slot at
a right angle to the rotary table. If the disc is not put
in straight, it may damage the player or the disc.
• Make sure the rotary table comes to a complete stop
before inserting or removing discs.
Front
cover
3 Turn the JOG dial until you find the disc slot
where you want to insert a disc, while checking the
disc number (written beside every five slots and
also indicated in the display).
0&- Disc number
Disc slot at the loading
position
With the label side
facing right
5 Repeat Steps 3 and 4 to insert more discs.
Page 7
6 Close the front cover by pressing the right edge of
the cover until it clicks.
The rotary table turns and the disc slot at the
loading position is set to the playing position.
Always close the front cover except when you
insert or remove discs.
'^'The supplied CD booklet holders help you locate a
disc
You can store up to 200 CD booklets. Insert booklets and
stick the number label on the film of a pocket and the
booklet so that you can locate the disc easily.
Notes
• When you insert an 8 cm (3-inch) CD, be sure to attach a
Sony CSA-8 adaptor (not supplied) to the disc.
Do not insert an empty 8 cm (3-inch) CD adaptor (CSA-8). It
may damage the player.
• Do not attach anything such as seals or slee№s to CDs. It may
damage the player or the disc.
• If you drop a disc into the player and the CD won't go into
the slot correctly, consult your nearest Sony dealer.
• When trarrsporting the player, remove all discs from the
player.
Getting Started
Removing CDs
After following Steps 1 to 3 of "Inserting CDs" on page
6, remove the discs. Then close the front cover.
Note
The disc being played does not come to the loading position if
you open the front cover during playback. (The disc number
flashes in the display.)
If you want to remove the disc being played, press ENTER in
the center of the JOG dial after opening the front cover. The
disc comes to the loading position. Remove the disc after the
rotary table comes to a complete stop.
Page 8
Playing a CD
2 3
See pages 4 - 5 for the hookup
information.
Make sure you have inserted the
discs correctly as indicated on
page 6.
You can play all the tracks on a
disc in the original order
(Continuous Play). You can also
play up to 200 discs
consecutively.
ENTER
Turn on the receiver and select the CD player position.
1
Press I /(!) to turn on the player.
Press CONTINUE to select ALL DISCS or 1 DISC Continuous
Play mode.
Each time you press CONTINUE, "ALL DISCS" or "1 DISC"
appears in the display.
When you select
ALL DISCS
1 DISC
Turn the JOG dial until the disc number you want appears in
the display to select the first disc (ALL DISCS) or the disc you
want (1 DISC).
The player plays
All discs in the player consecutively in the order of
disc number. Empty disc slots are skipped. * "
Only one disc you have selected
d 150 - ED
8
Page 9
Basic Operations
Press ENTER to start playing.
The selected disc is set to the playing position, and the player
pla)^all the discs from the selected one (ALL DISCS) or all the
tracks once (1 DISC).
Adjust the volume on the receiver.
' When you turn off the player
by pressing the l/Ci) switch
(standby mode)
The player remembers the
last playing disc and the
play mode (Continuous,
Shuffle (see page 12) or
Program (see page 13)).
When you turn on the
player again, therefore, the
player plays the same disc in
the same play mode. Note
that the player does not
remember this information,
if you turn off the player by
pressing the power switch of
the amplifier or receiver
while the AC power cord is
connected to the switched
AC outlet of the amplifier or
receiver.
Display information while playing a disc
While playing a disc, the display shows the current disc number, track
number, playing time of the track and the next disc number.
“ MIN
n
EB, 5
COI
Next disc number
SEC 'SI
)ISC
d'
1
Current disc number
ALL
DISCS
DISC TRAC
CjJ
n'
d
U
Current track number Playing time of the track
pj di,
To stop playback
Press ■ .
OPEN
KM/OM ENTER
«
Qi
M
o
(D
3
ft
o
3
M
To Press
Pause
Resume playing after pause
Go to the next track
Go back to the preceding track
Stop playing and remove the disc
II
llorO
t>I>il
IKKJ
OPEN and then ENTER. The disc comes
to the loading position.
Page 10
Locating a Specific Disc
ENTER JOG
Specifying the Next Disc to Play
You can specify the next disc to play while playing a
disc in Continuous or 1 DISC Shuffle Play mode.
While playing a disc, turn the JOG dial until the disc
number you want appears in the display.
Next disc number
Selecting a disc on the player
Turn the JOG dial until the disc number you want
appears in the display. Press ENTER to start play.
Cu
After the current disc is played, the next disc you have
specified starts playing.
If you want to skip to the next disc right away, press
ENTER while playing the current disc.
To cancel the disc you have specified
Press CONTINUE twice.
D.EB
10
Page 11
Playing CDs
Locating a Specific Track
You can quickly locate any track while playing a disc
using the IK</t>l>ll (AMS: Automatic Music Sensor)
buttons.
ll«/>C>ll
To locate Press
the next or
succeeding tracks track
the current or i« repeatedly until you find the
preceding tracks track
»11 repeatedly until you find the
Playing Repeatedly
You can play discs/tracks repeatedly in any play
mode.
REPEAT
Press REPEAT while playing a disc.
"REPEAT" appears in the display. The player repeats
the discs / tracks as follows:
When the disc is played in
ALL DISCS Continuous Play
(page 8)
1 DISC Continuous Play
(page 8)
ALL DISCS Shuffle Play
(page 12)
1 DISC Shuffle Play
(page 12)
Program Play (page 13)
The player repeats
All tracks on all discs
All tracks on the current disc
The player does not repeat
discs/tracks but keeps
shuffling until you stop play
whether or not you press
REPEAT.
All tracks on the current disc
in random order
The same program
To cancel Repeat Play
Press REPEAT repeatedly until "REPEAT" disappears from
the display.
Repeating the current track '
You can repeat only the current track.
While the track you want is being played, press
REPEAT repeatedly until "REPEAT 1" appears in the
display.
11
Page 12
Playing CDs
Playing in Random Order (Shuffle Play)
You can have the player "shuffle" the tracks and play
in random order. The player shuffles all the tracks on
all discs or on the disc you specified.
SHUFFLE
Press SHUFFLE to select ALL DISCS or 1 DISC
Shuffle Play mode.
Each time you press SHUFFLE, "ALL DISCS" or
"1 DISC" appears in the display.
ENTER
JOG
'Q' You can specify the next disc to piay during 1 DISC
Shuffle Play
Turn the JOG dial to specify the next disc. After all the
tracks on the current disc are played in random order,
the next disc starts playing. If you want to skip to the
next disc right away, press ENTER while playing the
current disc.
Note
You cannot specify the next disc to play during ALL DISCS
Shuffle Play.
When you select
ALL DISCS
1 DISC
* The player may play the same track more than once.
The player plays
All tracks on all discs in
random order. The player
keeps shuffling tracks until
you stop play.*
All tracks on the specific disc
in random order
2 When you want to specify the disc for 1 DISC
Shuffle Play, turn the JOG dial until the disc
number you want appears in the display.
3 Press ENTER or O.
ALL DISCS or 1 DISC Shuffle Play starts.
"t Jj " appears in the display while the player is
"shuffling" the discs or the tracks.
To cancel Shuffle Play
Press CONTINUE.
You can start Shuffle Play while playing
Press SHUFFLE, and Shuffle Play starts from the current
track.
12
Page 13
Creating Your Own Program (Program Play)
You can arrange the order.of the tracks and / or discs to
create your own program and the program is stored
automatically. A program can contain up to 32 "steps"
— one "step" may contain a track or a whole disc.
Playing CDs
5 To program other discs / tracks, do the following:
To program
Other discs
Other tracks on the same disc
Other tracks on other discs
6 Press C> to start Program Play.
Repeat Steps
2 and 4
3 and 4
2 to 4
Creating a program on the player
PROGRAM KM/»! ENTER JOG
1 Press PROGRAM.
If a program is already stored, the last step of the
program appears in the display. When ybu want to
erase the whole program, hold down CLEAR until
"All Clr" appears in the display (see page 14),
2 Turn the JOG dial until the disc number you want
appears in the display.
DISC TRACK
RL
Disc number
To program a whole disc, skip this step. Press
IK1</>W until the track number you want
appears in the display.
r-
To cancel Program Play
Press CONTINUE.
The program remains even after Program Play ends
When you press C>-, you can play the same program
again.
When you press PROGRAM during Continuous or
Shuffle Play
The program will be played after the current track.
The program remains until you erase them
If you replace discs, the programmed disc and track
numbers remain. So, the player plays only the existing
disc and track numbers. However, the disc and track
numbers that are not found in the player or on the disc
are deleted from the program, and the rest of the
program is played in the programmed order.
RO
Track number
4- Press ENTER or PROGRAM.
' The track being programmed
The disc being programmed
Playing order
13
Page 14
Playing CDs
Checking the programmed order
You can check your program before or after you start
playing.
Playing Discs in a Group (Block Play)
Press CHECK.
Each time you press this button, the display shows the
disc and track number'of each step in the programmed
order. (When a whole disc is programmed as one step,
"AL" appears instead of the track number.) After the.
last step in the program, the display shows "End" and
returns to the original display.
Changing the programmed order
You can change your program before you start playing.
To
Erase a track or disc Press CHECK until the track or
Erase the last track or
disc in the program
Add tracks or discs to the
end of the program
Erase the whole program
completely
You need to
disc you do not want appears in
the display, then press CLEAR
Press CLEAR. Each time you
press the button, the last track or
disc will be cleared.
Follow the programming
procedure
Hold down CLEAR until "All
Clr" appears in the display to
erase the whole program, then
create a new program following
the programming procedure
You can classify discs in advance by artists, category,
etc. when inserting discs into the slots, and play them
only within the group (called "block") you specified.
The player has eight blocks, and each slot is assigned to
one of the blocks as shown below.
Block number Disc slot
1 1-25
2
3
4
5
6
7
8
You can enjoy Continuous, Shuffle or Repeat Play
within a certain block.
26-50
51-75
76-100
101-125
126-150
151-175
176-200
14
Erasing the program stored in memory
1 Press PROGRAM in the stop mode.
Hold down CLEAR until "All Clr" appears in the
display.
BLOCK 1-8
Page 15
1 Insert discs into the slot of the block you want,
referring to the table above. (See also "Inserting
Discs" on page 6.)
2 Press one of the BLOCK 1-8 buttons to select the
block.
The block number appears in the display.
3 Press O.
Block Play starts from the disc which is the most
upward number within a block and located closest
to the playing position.
You can start Block Play from the disc you want
When you want to start Block Play from the disc you
want, turn the JOG dial to select the disc, then press
ENTER.
To cancel Block Play
Press the corresponding BLOCK 1-8 button.
Note
The block number does not appear if no disc is put into the
block you specified.
Playing CDs
15
Page 16
Precautions
On safety
• Caution — The use of optiizal instruments with this product
will increase eye hazard.
• Should any solid object or liquid fall into the cabinet,
unplug the player and have it checked by qualified
personnel before operating it any further.
On power sources
• Before operating the player, check that the operating
voltage of the player is identical with your local power
supply. The operating voltage is indicated on the nameplate
at the rear of the player.
• The player is not disconnected from the AC power source
(mains) as long as it is connected to the wall outlet, even if
the player itself has been turned off.
• If you are not going to use the player for a long time, be
sure to disconnect the player from the wall outlet. To
disconnect the AC power cord (mains lead), grasp the plug
itself; never pull the cord.
• AC power cord must be changed only at the qualified
service shop.
On placement
• Place the player in a location with adequate ventilation to
prevent heat build-up in the player.
• Do not place the player on a soft surface such as a rug that
might block the ventilation holes on the bottom.
• Do not place the player in a location near heat sources, or in
a place subject to direct sunlight, excessive dust or
mechanical shock.
On transportation
• When transporting the player, press OPEN then remove all
the discs from the player and turn the power off.
If you have any questions or problems concerning your
player, please consult your nearest Sony dealer.
Notes on CDs
On handling CDs
• To keep the disc clean, handle the disc carefully.
• Do not stick paper or tape on the disc.
• Do not expose the disc to direct sunlight or heat sources
such as hot air ducts, nor leave it in a car parked in direct
sunlight as there can be considerable rise in temperature
inside the car.
• After removing a disc from the disc slot, store the disc in its
case.
On cleaning
• Before playing, clean the disc with a cleaning cloth. Wipe
the disc from the center out.
16
On operation
• If the player is brought directly from a cold to a warm
location, or is placed in a very damp room, moisture may
condense on the lenses inside the player. Should this occur,
the player may not operate properly. In this case, leave the
player turned on for about an hour until the moisture
evaporates.
On adjusting volume
• Do not turn up the volume while listening to a portion with
very low level inputs or no audio signals. If you do, the
speakers may be damaged when a peak level portion is
played.
On cleaning
• Clean the cabinet, panel and controls with a soft cloth
slightly moistened with a mild detergent solution. Do not
use any type of abrasive pad, scouring powder or solvent
such as alcohol or benzine.
» Do not use solvents suclvas benzine, thinner, commercially
available cleaners or anti-static spray intended for vinyl
-^LPs. --
Page 17
Additional Information
Troubleshooting
If you experience any of the following difficulties while
using the player, use this troubleshooting guide to help
you remedy the problem. Should any problem persist,
consult your nearest Sony dealer.
There is no sound.
^Check that the player is connected securely.
“► Make sure you operate the receiver correctly.
The CD does not play.
^There is no CD in a slot ("-no dISC-" appears).
Insert a CD.
^Insert the CD with the label side facing right.
^Clean the CD (see page 16).
■ ♦ Moisture has condensed inside the player. Press
OPEN and leave the player turned on for about
an hour (see page 16).
The player functions incorrectly.
^The microcomputer chips may be operating
incorrectly. Disconnect the AC power cord, then
connect it back to the wall outlet to reset the
player.
Specifications
Compact disc player
Laser
Laser output
Frequency response
Signal-to-noise ratio More than 100 dB
Dynamic range More than 98 dB
Harmonic distortion Less than 0.0045%
Channel separation More than 95 dB
Outputs
Jack
type
LINE OUT Phono
General
jacks
Semiconductor laser (X = 780 nm)
Emission duration: continuous
Max 44.6 |iW*
This output is the value measured at
a distance of 200 mm from the
objective lens surface on the Optical
Pick-up block with 7 mm aperture.
20 Hz to 20 kHz ± 0.5 dB
Maximum Load impedance
output
level
2 V Over 10 kilohms
(at 50 kilohms)
Power requirements
Power consumption 13 W
Dimensioris (approx.)
(w/h/d)
Mass (approx.) 9.0 kg (19 lbs 14 oz)
Supplied accessories
Audio cord (2 phono plugs - 2 phono plugs) (1)
CD booklet holders (2) . -. —
Label (1)
Design and specifications are subject to change without notice.
120 V AC 60 Hz
When the front cover is closed
430 X 200 X 480 mm (17 x 7 7/8 x 19 in.)
inch projecting parts
When the front cover is open
430 X 200 X 600 mm (17 x 7 7/8 x 23 5/8
in.) incl. projecting parts
17
Page 18
Index
AMS 11
Automatic Music Sensor 11.
B
Block Play 14
c, D
Connecting 4
Continuous Play
E. F, G
Erasing
programs 14
H
Handling CDs 16
Hookups
overview 4
Troubleshooting 17
U. V, W. X, Y, Z
Unpacking 4
Names of controls
Buttons
BLOCK 14
BLOCK 1-8 14
CHECK 13
CLEAR 13
CONTINUE 8
ENTER 9
OPEN 6
PROGRAM 13
REPEAT 11
SHUFFLE 12
KM/»« 11
O 9
II 9
■ 9
Switches
CDl/2/3 5
l/C!) 6
Jacks
CONTROL A1 4
LINE OUT 5
Inserting CDs 6
J. K
JOG dial 6
L, M, N p
Locating
a specific track 11
using AMS 11
P,Q
Playback
Block Play 14
Continuous Play 8
Program Play 13
Repeat Play 11
Shuffle Play 12
Program
changing 14
checking 14
erasing 14
Repeating 11
Rotary table 6
Searching. See Locating
Selectiitg a disc 10
Shuffle Play
on all discs 12
on one disc 12
Specifying the next disc 10
Others
COMMAND MODE selector 5
Disc slots 6
Display 9
Front cover 6
JOG dial 6, 8
Rotary table 6
18
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