HCD-EC68, HCD-EC78, MHC-EC68, MHC-EC78 - Sony Audio Service Manual (repair manual). Page 6

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HCD-EC68/EC78
6
SECTION  2
GENERAL
This section is extracted 
from instruction manual.
Basic Operations
Selecting a music source
Press the following buttons (or press FUNCTION 
repeatedly).
To select
Press
CD
CD
.
Tuner
TUNER/BAND 
.
Tape
1)
TAPE 
.
Component
2)
 (connected 
using an audio cord)
FUNCTION 
 
repeatedly until “AUDIO 
IN” appears.
1)
Except for the UK model.
2)
If the component has the AVLS (Automatic Volume Limiter System) 
or BASS BOOST function, turn off the function to avoid distorted 
sound from the speakers.
Adjusting the sound
To adjust the volume
Press VOLUME +/– (or turn the VOLUME control on 
the unit) 
.
To add a sound effect
To
Press
Generate a more dynamic 
sound (Dynamic Sound 
Generator X-tra)
DSGX
 on the unit.
Set the sound effect
EQ
.
Playing a CD/MP3 disc
1
Select the CD function.
Press CD (or FUNCTION repeatedly) 
.
2
Place a disc.
Press 
 (open/close) 
 on the unit, and place a 
disc with the label side up on the disc tray. To place 
additional discs, slide the disc tray with your finger as 
shown below.
To close the disc tray, press 
 (open/close) 
 on the 
unit.
Do not force the disc tray closed with your finger, as 
this may damage the unit.
3
Select a disc.
If the discs are currently stopped, press DISC SKIP 
. To change discs while in other functions, press 
DISC 1 – 3
 on the unit.
4
Start playback.
Press 
 (play) (or CD  (play) on the unit) 
.
To exchange other discs during playback, press 
EX-CHANGE 
 on the unit. 
To
Press
Pause playback
 (pause) 
. To resume play, 
press the button again.
Stop playback
 (stop) 
.
Select a folder on an 
MP3 disc
 (select folder) +/– 
.
Select a track or file
/ (go back/go forward) 
(or 
/ on the unit) 
.
Find a point in a 
track or file 
Hold down 
/ (rewind/fast 
forward) 
 during playback, and 
release the button at the desired 
point.
Select Repeat Play
REPEAT 
 repeatedly until 
“REP” or “REP1” appears.
To change the play mode
Press PLAY MODE 
 repeatedly while the player is 
stopped. You can select normal play (no display for all 
discs or “1 DISC” for a disc or “
” for all MP3 files 
in the folder on the disc), shuffle play (“SHUF” for 
all discs shuffle, “1 DISC SHUF” for one disc shuffle 
or “
SHUF*” for folder shuffle), or program play 
(“PGM”).
* When playing a CD-DA disc, 
 (SHUF) Play performs the same 
operation as 1 DISC (SHUF) Play.
Notes on Repeat Play
All tracks or files on a disc are played repeatedly up to five times. 
You cannot select “REP” and “SHUF” (all discs shuffle) at the same 
time.
“REP1” indicates that a single track or file is repeated until you stop 
it.
Notes on playing MP3 discs
Do not save other types of tracks or files or unnecessary folders on a 
disc that has MP3 files.
Folders that have no MP3 files are skipped.
MP3 files are played back in the order that they are recorded onto 
the disc.
The system can only play MP3 files that have a file extension of 
“.MP3”.
If there are files on the disc that have the “.MP3” file extension, 
but that are not MP3 files, the unit may produce noise or may 
malfunction.
The maximum number of:
folders is 150 (including the root folder).
MP3 files is 255.
MP3 files and folders that can be contained on a single disc is 300.
folder levels (the tree structure of files) is eight.
Compatibility with all MP3 encoding/writing software, recording 
device, and recording media cannot be guaranteed. Incompatible MP3 
discs may produce noise or interrupted audio or may not play at all.
Notes on playing multisession discs
If the disc begins with a CD-DA (or MP3) session, it is recognized 
as a CD-DA (or MP3) disc, and playback continues until another 
session is encountered.
A disc with a mixed CD format is recognized as a CD-DA (audio) 
disc.
Listening to the radio
1
Select “TUNER FM” or “TUNER AM.”
Press TUNER/BAND 
 repeatedly.
2
Select the tuning mode.
Press TUNING MODE 
 repeatedly until “AUTO” 
appears. 
3
Tune in the desired station.
Press +/– (or TUNING +/– on the unit) 
.
Scanning stops automatically when a station is tuned 
in, and then “TUNED” and “ST” (for stereo programs) 
appear.
To stop automatic scanning
Press 
 (stop) 
.
To tune in a station with a weak signal
If “TUNED” does not appear and the scanning does 
not stop, press TUNING MODE 
 repeatedly until 
“MANUAL” appears, and then press +/– (or TUNING 
+/– on the unit) 
 repeatedly to tune in the desired 
station.
To reduce static noise on a weak FM stereo 
station
Press FM MODE 
 repeatedly until “MONO” appears 
to turn off stereo reception.
Playing a tape (Except for the UK 
model)
1
Select a tape function.
Press TAPE (or FUNCTION repeatedly) 
.
2
Insert a tape.
Press 
 (stop/eject) 
 on the unit, and insert the 
tape into the cassette holder. Make sure there is no 
slack in the tape to avoid damaging the tape or the 
tape deck.
3
Start playback.
Press 
 (play) 
 on the unit. 
To
Press
Pause playback
 (pause) 
 on the unit. To resume 
play, press the button again.
Stop playback
 (stop/eject) 
 on the unit.
Rewind or fast 
forward*
/ (rewind/fast forward) 
on the unit.
* Be sure to press 
 (stop/eject)  on the unit after the tape has 
been wound or rewound to the end.
Note
Do not turn off the system during playback or recording.
Changing the display
To
Press
Change 
information on the 
display*
DISPLAY 
 repeatedly when the 
system is turned on.
Change Display 
mode (See below.)
DISPLAY 
 repeatedly when the 
system is turned off.
* For example, you can view CD/MP3 disc information, such as;
track or file number during normal play.
track or file name (“ ”) during normal play.
artist name (“ ”) during normal play.
album or folder name (“
”) during normal play.
total playing time while the player is stopped.
The system offers the following display modes.
Display mode
When the system is off,
Power Saving 
Mode
1)
The display is turned off to conserve 
power. The timer and clock continue 
to operate.
Clock
2)
The clock is displayed.
1)
You cannot set the clock in Power Saving Mode.
2)
The clock display automatically turns to Power Saving Mode after 
eight seconds. 
Notes on the display information
Characters that cannot be displayed appear as “_”.
The following are not displayed;
total playing time for an MP3 disc.
remaining playing time for an MP3 file.
The following are not displayed correctly;
elapsed playing time of an MP3 file encoded using VBR (variable 
bit rate).
folder and file names that do not follow either the ISO9660 
Level 1, Level 2 or Joliet in the expansion format.
The following are displayed;
total playing time for a CD-DA disc when the play mode is 
“1 DISC”.
remaining playing time for a track.
ID3 tag information for MP3 files when ID3 version 1 and 
version 2 tags are used (ID3 version 2 tag information display has 
priority when both ID3 version 1 and version 2 tags are used for a 
single MP3 file).
up to 15 characters of ID3 tag information using uppercase letters 
(A to Z), numbers (0 to 9), and symbols (‘< > * + , – / @ [ \ ] _).
* Except for the UK model
This manual mainly explains operations using the 
remote, but the same operations can also be performed 
using the buttons on the unit having the same or similar 
names.
Before using the system
To use the remote
Slide and remove the battery compartment lid 
, and 
insert the two R6 (size AA) batteries (supplied), 
 side 
first, matching the polarities shown below. 
Notes on using the remote
With normal use, the batteries should last for about six months.
Do not mix an old battery with a new one or mix different types of 
batteries.
If you do not use the remote for a long period of time, remove the 
batteries to avoid damage from battery leakage and corrosion.
Batteries installed devices shall not be exposed to excessive heat such 
as sunshine, fire or the like.
To set the clock
1
Turn on the system.
Press 
 (on/standby) 
 to turn on the system.
2
Select the clock set mode.
Press CLOCK/TIMER SET 
. The hour indication 
flashes. If “PLAY SET” flashes, press 
/
repeatedly to select “CLOCK,” and then press ENTER 
.
3
Set the time.
Press 
/
 repeatedly to set the hour, then 
press ENTER 
. The minute indication flashes.
Use the same procedure to set the minutes.
Note
The clock settings are lost when you disconnect the power cord or if a 
power failure occurs.
*
Using optional audio components
To connect an optional headphones
Connect headphones to the PHONES jack 
 on the 
unit.
To connect an optional component
Connect additional audio source components to the 
AUDIO IN jack 
 on the unit using an analog audio 
cord (not supplied). Turn down the volume on the 
system, and then select the AUDIO IN function.
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