Panasonic Cd Stereo System Sc-ak520, Sc-ak523, Sc-ak320, Sc-ak323 Operating Instructions

							RQT7330
11
Starting play from a desired track in a
desired album
Remote control only
Preparation: Press [:/J, CD] and then [L, CLEAR].
1Press [ALBUM (  or  )] and then the numbered
buttons to select the album.
To select album 10 or over, press [>10] once then the two digits.
To select album 100 or over, press [>10] twice then the three digits.
Play starts from the first track of the selected album.
2Press the numbered buttons to select the track in the
current album.
To select track 10 or over, press [>10] once then the two digits.
To select track 100 or over, press [>10] twice then the three digits.
Play starts from the selected track.
Title search function
You can search for your desired album/track with its keyword (part of
the title).
Album title search
Preparation: Press [:/J, CD] and then [L, STOP].
AK520 AK523 : Main unit and remote control
AK320 AK323 : Remote control only
1Press [TITLE SEARCH]
 once.
2Enter the characters of the keyword for the album
title. 
(A see right: “Entering characters”)
3Press [ENTER].Album title search starts.
(Continued on next page)For 
AK320 and AK323, you can search for “ < ” or “ > ” by
entering “ ( ” or “ ) ”.
The characters change each time a numbered button is pressed.
For example, every time you press [2]:
A → B → C → 2∧
To show the matched album title again (AK320 AK323)
Press [ENTER].
To show the next/previous album title search result
Press [f, 4/FF] (next) or [
 g, REW/3]
 (previous) on the
remote control.
(Main unit 
AK520 AK523 : Push the joystick right ([f,
CURSOR]) (next) or left ([g,
CURSOR]) (previous). (You can
also press [
 g/REW/3] or [f/
FF/4].))
Press [
:/J, CD] to start play from the album found.
Play starts from the first track of the album.
(Title search mode is cancelled.)
To cancel partway through
Press [L, STOP].
When there is no match for the searched keyword, the display shows
“NOT FOUND”.
 Note
You cannot use title search function in program mode.
Track title search
Preparation: Press [:/J, CD] and then [L, STOP].
AK520 AK523 
: Main unit and remote control
AK320 AK323 : Remote control only
1Press [TITLE SEARCH]
 twice.
2Enter the characters of the keyword for the track title.(A see below: “Entering characters”)
3Press [ENTER].Track title search starts.
To show the matched track title again (
AK320 AK323)
Press [ENTER].
To show the next/previous track title search result
Press [f, 4/FF] (next) or [
 g, REW/3]
 (previous) on the
remote control.
(Main unit 
AK520 AK523 : Push the joystick right ([f,
CURSOR]) (next) or left ([g,
CURSOR]) (previous). (You can
also press [
 g/REW/3] or [f/
FF/4].))
Press [
:/J, CD] to start play from the track found.
(Title search mode is cancelled.)
To cancel partway through
Press [L, STOP].
When there is no match for the searched keyword, the display shows
“NOT FOUND”.
 Note
You cannot use title search function in program mode.
Entering characters
You can enter keyword of up to 8 characters for album/track title
search. You can only enter upper case letters but the unit also searches
for lower case.
On the remote control
1 11 1
1Press the numbered button to select the required character.
Characters allocated to the numbered buttons:
=
Blinks to indicate album title search mode
Matched album title
Matched album title
Blinks to indicate album title search mode
=
Matched track title
Blinks to indicate track title search mode
Blinks to indicate track title search mode
Matched track title
AK320AK323
AK320AK323
AK520AK523
AK520AK523
Numbered Characters
buttons
6 M N O 6
7 P Q R S 7
8 T U V 8
9 W X Y Z 9
00
AK320
AK520
AK323
AK523
: space !”#$ %&’()∗+,– ./:; = ?_ ` Numbered Characters
buttons
11
2 A B C 2
3 D E F 3
4G H I 4
5 J K L 5
>10
: space
 !”#$ %&’()∗+,– ./:;
 ?_ ` 
						

							RQT7330
12
CD display for MP3
During play or pause
AK520 AK523Remote control only
Press [CD DISP] to select a desired CD display mode.
Every time you press the button:
aRemaining play time, Original display
bElapsed play time, Album title
cElapsed play time, Track title
dElapsed play time, ID3 album name
eElapsed play time, ID3 title name
fElapsed play time, ID3 artist name
gElapsed play time, Original display
Example:
c
Press [DISP, –DEMO] (remote control: Press [CD DISP]) to
select a desired CD display mode.
Every time you press the button:
aRemaining play time
bAlbum title
cTrack title
dID3 album name
eID3 title name
fID3 artist name
gElapsed play time
Example:
g
 Note
•When a title is longer than 8 characters, it will scroll across the
display. If you selected a mode from b - f (see above), the
scrolling will start again after every 3 seconds.
•“NO ID3” is displayed if titles with ID3 tags haven’t been entered.
•Maximum number of displayable characters:
Album/track title: 31
ID3 album/title/artist name: 30
(ID3 is a tag embedded in MP3 track to provide information about
the track.)
•This unit can display album and track titles with ID3 tags (version
1.0 and 1.1). Titles containing text data that the unit doesn’t support
cannot be displayed.
•Titles entered with 2-byte code cannot be displayed correctly on this
unit.
How discs with MP3 differ from CDs
Deleting a character
1. Move the cursor over the character to be deleted.
2. On the remote control: Press [DEL].
On the main unit :
AK520 AK523Press [DELETE].
Editing a character
1. Move the cursor over the character to be edited.
2. Enter the correct character.
For 
AK320 and AK323, the special characters will be displayed
as below:
Title search function
Entering characters
Elapsed play time
Characters   Main unit display   Characters   Main unit display
!,
”–
#.
$/
%:
&;
’
=
(
?
)
_
∗
`
+
Some characters may not be displayed correctly due to the recording
format/software used.
2 22 2
2
Press [CURSOR  ] to enter the character.Repeat steps 1~2 to complete the keyword.
On the main unit
1 11 1
1
Push the joystick up/down ([ALBUM  /CHARA] or [ALBUM /CHARA]) to select the required character.
Each time you push the joystick up ([ALBUM  /CHARA]), the
characters change in the following order.
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1234567890
space ! ”#$ %&’()∗+,– ./:; ?_ `
The sequence is reversed if you push the joystick down
([ALBUM 
 /CHARA]).
If you hold the joystick up/down ([ALBUM 
 /CHARA] or
[ALBUM  /CHARA]), the characters change faster.
2 22 2
2Push the joystick right ([f, CURSOR])
 to enter the
character.
Repeat steps 
1~2 to complete the keyword.
AK320AK323
LEditing keywords
To move the cursor
On the remote control: Press [CURSOR ( 
 or  )].
On the main unit:
AK520 AK523Push the joystick left/right ([g, CURSOR]
or [f, CURSOR]).
AK520
AK523
AK520AK523
→→
→→→→→
Elapsed play time
Track title
→
→→→→→
→ 
						

							RQT7330
13
To recall a marked track number in the current disc
During play or stop
On the remote control
Press [MARKER] to recall a marker.
On the main unit
Press [MARKER, -RECALL] to recall a marker.
Play starts from the track recalled.
Note
•“NO MARKER” indicates that the marker in the current disc is empty.
•The marker memory is cleared when you open the CD tray.
•For CD-DA, you cannot use this function during 1-RANDOM play
and A-RANDOM play.
•You cannot use this function during program mode.
Marking a track
You can mark one track each on the discs loaded so that you can
start play from them later.
To mark a track number
1During play or stop
Select your desired track.
(For MP3, refer to “Track skip play” on page 10.
For CD-DA, press the numbered buttons on the remote control.
To select track 10 or over, press [
X10] then the two digits.)
2On the remote control
Hold down [MARKER] until “STORING” blinks on the
display.
On the main unit
Hold down [MARKER, –MEMORY] until “STORING”
blinks on the display.
The selected track is stored in the marker of the current disc.
 Note
If a track is already stored in the marker, it will be replaced next time
you store a new track in the same marker.
1Press [TUNER, BAND] to select band.
The unit comes on.
Every time you press the button:
FM ↔ AM
2Press [PLAY MODE] on the remote control to select
“MANUAL”.
Every time you press the button:
MANUAL ↔ PRESET
3Hold down [g/REW/3] or [f/FF/4] for a moment
to search for a station.
The frequency stops when it finds a clear station.
To stop during the process, press [g/REW/3] or [f/FF/4].
Under excessive interference, a station may not be found.
Press [g/REW/3] or [f/FF/4] repeatedly to tune step-by-
step.
“TUNED” is displayed when a radio station is tuned.
“ST” is displayed when a stereo FM broadcast is being
received.
If noise is excessive in FM
Remote control only
Hold down [PLAY MODE] to display “MONO”.
Monaural sound is selected and noise reduces when reception is
weak.
Hold down [PLAY MODE] again to cancel the mode.
“MONO” is also cancelled if the frequency is changed.Preparation:
Press [TUNER, BAND] to select “FM” or “AM”.
Automatic presetting
Do the following once each for FM and AM.
Preparation:
 Tune to the frequency where pre-setting is to begin.
Hold down [PROGRAM] until the frequency changes.The tuner presets all the stations it can receive into the channels in
ascending order. When finished, the last station memorized is tuned in.
Manual presetting
Pre-set the stations one at a time.
1Press [PROGRAM] then press [g, REW/3] or
[f, 4/FF] to tune to the desired station.
2Press [PROGRAM] then press [g, REW/3] or
[f, 4/FF] to select a channel.
3Press [PROGRAM].
The station occupying a channel is erased if another station is preset
in that channel.
Selecting channels
Press the numbered buttons to select the channel.
To enter channel 10 or over, press [>10], then the two digits.
OR
1Press [PLAY MODE] to select “PRESET”.
2Press [g, REW/3] or [f, 4/FF] to select the
channel.
Remote control only
There are two methods of pre-setting stations.
Automatic presetting :All the stations the tuner can receive are
preset.
Manual presetting :You can select the stations to preset and the
order they are preset in.
Up to 15 stations each can be set in the FM and AM bands.
Radio
Manual tuning
Preset tuning
How discs with MP3 differ from CDs
To receive FM broadcasts allocated in 0.1 MHz stepsMain unit only
Hold down [TUNER, BAND]. The display changes in a few seconds to
show the current minimum FM frequency. Continue to hold down the
button until the minimum frequency changes. The step is changed.
Repeat the above to change the step back.
Note
•After changing the “allocation” setting, the frequencies you previously
preset in the memory will be cleared.
•Sound is momentarily interrupted if you load/unload tapes while
listening to an AM broadcast.
Radio
AK520AK523
AK520AK523
AK320AK323AK520AK523 
						

							RQT7330
14
You can use either deck 1 or deck 2 for tape playback.
Use normal position tapes.
High position and metal position tapes can be played, but the unit will
not be able to do full justice to the characteristics of these tapes.
1Press [:, TAPE].The unit comes on.
If a cassette was loaded, play starts automatically (One touch play).
2Press [c, DECK 1] or [c, DECK 2] and insert the
cassette.
Insert with the side to be played
facing towards you and the
exposed tape facing down.
Close the holder by hand.
3Press [:, TAPE] to start playback.To play on the other side of the tape, turn the tape over and press
[:, TAPE].
To stop tape playback
Press [L, STOP].
To fast-forward or rewind
Press [g/REW/3] (rewind) or [f/FF/4] (fast-forward).
To select between loaded decks
Press [DECK 1/2] (remote control: [PLAY MODE]).
Note
•Tape playback is momentarily interrupted if you open the other deck.
•Tapes exceeding 100 minutes are thin and can break or get caught
in the mechanism.
•Tape slack can get caught up in the mechanism and should be
taken up before the tape is played.
•Endless tapes can get caught up in the deck’s moving parts if used
incorrectly.
Cassettes
Front side
Side A
Tab for side B
Tab for side A
Adhesive tape Selection of tapes for recording
Use normal position tapes.
High position and metal position tapes can be used, but this unit will
not be able to record or erase them correctly.
Preparation:
Wind up the leader tape so recording can begin immediately.
1Press [c, DECK 2] and insert the cassette to be
recorded.
Insert with the side to be recorded facing towards you and the
exposed tape facing down.
2Select the source to be recorded.Radio recording:
Tune in the station. (A page 13)
CD recording:
1Insert the CD(s) you want to record.
Press [:/J, CD] and then [L, STOP].
2Prepare the desired CD recording mode.
Remote control only•To record programmed tracks (A do steps 1–3 on page 9
for CD-DA or steps 1–4 on page 10 for MP3).
•To record specific CDs/tracks
1. For CD-DA, do steps 1 to 2 on page 8: “To listen to
specific CDs and tracks (CD Play Mode function)”.
For MP3, do steps 1 to 2 on page 9: “CD Play Mode
function for MP3”.
Ensure CD is stopped.
2. (MP3 only) For 1-ALBUM mode and 1-SONG mode:
Press [ALBUM (      or     )] to select the album.
3. For 1-SONG mode: Press [g, REW/3] or [f,
4/FF] to select the track.
Tape-to-tape recording:
1Press [:, TAPE] and then [L, STOP].
2Press [c, DECK 1] and insert the cassette you want to record.
3Press [a, REC] to start recording.
To stop recording
Press [L, STOP].
If the tape finishes before the CD
The CD continues playing. Press [L, STOP] to stop it.
To record on the other side of the tape
Turn the tape over and press [a, REC].
Reducing noise when recording AMRemote control only
Hold down [PLAY MODE] while recording.
Every time you hold down the button: BP1 ↔ BP2
Choose the setting with the least noise.
Note
•Changes to volume and sound/field quality do not affect recording.•You cannot open deck 1 while recording.•You cannot fast-forward or rewind one deck while recording with
the other.
•When recording an AM broadcast, sound is momentarily interrupted
when you start and stop the recording.
Erasure prevention
Use a screwdriver or similar object to break out the tab.
To re-record on a protected cassette
Cover the hole with adhesive tape.
To erase a tape
1. Press [:, TAPE] and then [L, STOP].
2. Insert the recorded tape into deck 2.
Ensure there is no tape in deck 1.
3. Press [a, REC].
Playback
Recording
VOLVOLVOLVOL
789
0
10
6
SHISHIFTCLOCK
CLOCK TIMER TIMER//PLPLAY
RECRECAUTO OFFO OFF
INTROINTRO
S.S.SOSOUND EQUND EQPRERESET EQT EQMUTUTINGING
ENTERENTERMARKERMARKERTITLETITLESEARCHSEARCH
REWFF
PROGPROGRAMAM
REPREPEATAT
PLAY  M O D EAY MODE
DISCDISC
SPACESPACE
ABCABCDEFDEF
GHIGHI
TUVTUVWXYWXYZ PQRSPQRS
JKLJKLMNOMNO
SLEEPEEPCD DISPCD DISPDIMMERDIMMER
ALBUMBUMCURSORCURSOR
DELDEL
45 12
3
TAPETAPE
CDCD
AUXAUX
CLEARLEARTUNERTUNERBANDND
S.WOOFERS.WOOFER
PLAY MODE
SHIFT
AUXTAPE
DECK 1/2, REC
DECK 1
PRESET EQ
DISP, –DEMO
SUBWOOFER
ALBUM (    or    )DECK 2 PHONES
               only)
AK520 (              and
AK523 S.SOUND EQ
S.WOOFER
               only)AK520 (              andAK523 
						

							RQT7330
15
Optional antenna connections
Use outdoor antenna if radio reception is poor.
FM outdoor antenna
•Disconnect the FM indoor antenna.
•The antenna should be installed by a competent technician.
AM outdoor antenna
Run a piece of vinyl wire horizontally across a window or other
convenient location.
Leave the loop antenna connected.
Note
Disconnect the outdoor antenna when the unit is not in use.
Do not use the outdoor antenna during an electrical storm.
Other functions
External unit connections
•
An analog player with a built-in phono equalizer can be connected.•For details, refer to the instruction manual of the units which are to
be connected.
•When units other than those described above are to be connected,
please consult your audio dealer.
Using an external unit
(See above for external unit connection.)
1. Press [AUX].
The unit comes on.
2.For listening: Proceed to step 3.
For recording: Press [a, REC] (recording starts).
3. Start playback from the external source. (For details, refer to the
external unit’s instruction manual.)
Using headphones (not included)
Reduce the volume level and connect the headphones.
Plug type: 3.5 mm (1/8˝) stereo
 Note
Avoid listening for prolonged periods of time to prevent hearing damage.
Turning the demo function on/off
When the unit is first plugged in, a demonstration of its functions may
be shown on the display.
If the demo setting is off, you can show a demonstration by selecting
“DEMO ON”.
Press and hold [DISP, –DEMO].The display changes each time the button is held down.
NO DEMO (off)↔DEMO ON (on)
While in the standby mode, select “NO DEMO” to reduce power
consumption.
Note
DEMO function cannot be turned on when Dimmer is on.Analog player
(not included) Rear panel of
this unit
(L)(R)
RL
Enhancing the sound quality
You can enhance the bass and treble effect of the sound.
Press [SUPER SOUND EQ].Remote control: Press [S.SOUND EQ].
The button light comes on.
Press the button again to cancel.
The button light goes out.
Adjusting the bass (AK520 and
AK523 only)
Press [SUBWOOFER].Remote control: Press [SHIFT] + [S.WOOFER].
The button light comes on.
Each time you press the button:
MID (medium) → MAX (high) → Light off (off)
To cancel
Press [SUBWOOFER] to turn the light off.
Remote control: Press [SHIFT] + [S.WOOFER].
Note
You cannot use this function when headphones are connected.
→
Sound quality/sound field
Press [PRESET EQ] to select a setting.
Every time you press the button:
HEAVY SOFTCLEAR
EQ-OFF
(cancelled)DISCOLIVEHALL
HEAVY (sound quality): Adds punch to rock
SOFT (sound quality): For background music
CLEAR (sound quality): Clarifies higher sounds
DISCO (sound field): Produces sound with the same kind of
lengthy reverberations heard at a disco
LIVE (sound field): Makes vocals more alive
HALL (sound field): Adds an expansiveness to the sound to
produce the atmosphere of a great concert
hall
Note
You cannot use PRESET EQ and SUPER SOUND EQ together.
Using the built-in sound quality/sound
field settings
Other functions
AM outdoor antenna (not included)
AM loop
antenna
(included)
5 -12 m(16 – 40 ft.)
Shield braid
Core wire1
30 mm
(1 3/16”)
15 mm
(19/32”)
1
2
32
FM outdoor antenna
(not included)
75 Ω coaxial cable (not included)
Shield braid
Core wire 
						

							RQT7330
16
Other functions
This is a 12-hour clock.
1Switch on the power.
2Press [SHIFT] + [CLOCK/TIMER] to select “CLOCK”.Every time you press the button:
3(Within 7 seconds or so)
Press [g, REW/3] or [f, 4/FF] to set the time.
4Press [SHIFT] + [CLOCK/TIMER] to finish setting the
time.
The display will return to whatever was displayed before you set
the time.
To display the time
Press [SHIFT] + [CLOCK/TIMER] once when the unit is on or at
standby mode.
The time is shown for about 5 seconds.
Note
Reset the clock regularly to maintain accuracy.
Remote control only
When CD or tape is selected as the source
To save power, the unit turns off if it is left unused for ten minutes.
This function does not work if the source is tuner or AUX.
Press [SHIFT] + [AUTO OFF].
“AUTO OFF”  is shown on the display.
The setting is maintained even if the unit is turned off.
If you select tuner or AUX as the source, “AUTO OFF” goes out. It
comes on again when you select CD or tape.
To cancel
Press [SHIFT] + [AUTO OFF] again.
Previous display
CLOCKRECPLAY
To dim the display panel
Remote control only
Press [DIMMER].
The display is dimmed and the indicators are turned off.
(The AC supply indicator remains on.)
Press [DIMMER] again to restore the display.
Switching displays AK520 AK523
Press [DISP, –DEMO] to select the desired display mode.Every time you press the button:
Normal
(OFF)Peak holdReflection
Animation 
(Race)
Note
If you selected a display mode from b – f (A page 12), the animation
(“Race”) will not be displayed.
To mute the volume
Remote control only
Press [MUTING].
Press the button again to cancel.
“MUTING” goes out.
To cancel from the unit, turn [VOLUME] to minimum (--dB), then raise
it to the required level.
Muting is also cancelled when the unit is turned off.
Convenient functions
Auto-off function
Setting the time
Remote control only 
						

							RQT7330
17
To check the settings
Press [SHIFT] + [CLOCK/TIMER] while the unit is on to select “rPLAY”
or “rREC”.
The settings are shown in the following order:
Play timer: start time→finish time→source→volume
Record timer: start time→finish time→source
To check the settings while the unit is off, press [SHIFT] + [CLOCK/
TIMER] twice.
If you use the unit after the timers are set
After using, check that the correct tape/CD are loaded before turning
the unit off.
 Note
•If you turn the unit off and on again while a timer is functioning, the
finish time setting will not be activated.
•If you selected AUX as the source, when the timer comes on, the
unit turns on and engages “AUX” as the source. If you want to
playback or record from a connected unit, set that unit’s timer to the
same time. (See the connected unit’s instruction manual.)
Using the sleep timer
Remote control only
This timer turns the unit off after a set time.
While enjoying the desired source:
Press [SLEEP] to select the time (minutes).
Every time you press the button:
SLEEP 90 SLEEP 120SLEEP 60SLEEP 30SLEEP OFF
To cancel the sleep timer
Press [SLEEP] to select “SLEEP OFF”.
To confirm the remaining time
Press [SLEEP] once.
The remaining time is shown for about 5 seconds.
To change the setting
Press [SLEEP] to select the new setting.
You can use the sleep timer in combination with the play/record timer.
Make sure the unit is off before the play/record timer’s start time.
 Note
The sleep timer will be turned off when you start recording from a CD.
Using the play/record timer
Remote control onlyYou can set the timer to come on at a certain time to wake you up
(play timer) or to record a radio station or from the aux source (record
timer).
The play and record timers cannot be used together.
Preparations:
•Turn the unit on and set the clock (A page 16).
•For the play timer, prepare the desired music source (tape/CD/
radio/aux), and set the volume.
•For the record timer, check the cassette’s erasure prevention tabs
(A page 14) and insert the tape in deck 2 (A page 14). Tune to
the radio station (A page 13) or select the aux source (A page
15).
1Press [SHIFT] + [CLOCK/TIMER] to select the timer
function.
Every time you press the button:
rPLAY: to set the play timer
rREC: to set the record timer
2ON time setting
1
(Within 8 seconds or so)Press [g, REW/3] or [f, 4/FF] to set the
start time.
2Press [SHIFT] + [CLOCK/TIMER].
3OFF time setting
1Press [g, REW/3] or [f, 4/FF] to set the
finish time.
2Press [SHIFT] + [CLOCK/TIMER].
The start and finish times are now set.
4Press [SHIFT] + [rPLAY/REC] to display the timer
indicator.
Every time you press the button:
RECPLAY
(off)
rPLAY: to turn the play timer on
rREC: to turn the record timer on
(The indicator doesn’t appear if the start and finish times or the
clock hasn’t been set.)
5Press [
f ff f
f] to turn the unit off.
The unit must be off for the timers to operate.
•Play timer:Play will start in the set condition at the set time
with volume increasing gradually to the set level.
•Record timer:The unit comes on 30 seconds before the set
time with the volume muted.
To cancel the timer
Press [SHIFT] + [rPLAY/REC] to clear the timer indicator from the
display.
(The timer comes on at the set time everyday if the timer is on.)
To change the settings (when the unit is on)To change the play/record times
Do steps 1, 2, 3 and 5.
To change the source or volume
1. Press [SHIFT] + [rPLAY/REC] to clear the timer indicator from the
display.
2. Make changes to the source or volume.
3. Do steps 4 to 5.
To change the timer
Press [SHIFT] + [rPLAY/REC] to select the desired timer.
Every time the button is pressed:
RECPLAY
(off)
Timers
Previous display
CLOCKRECPLAY 
						

							RQT7330
18
Troubleshooting guide
Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the remedies indicated in the
chart do not solve the problem, refer to the “Customer Services Directory” on the back cover if you reside in the U.S.A., or refer to the
“Product information” on page 3 if you reside in Canada.
Reference pages are shown as black circled numbers 
% %% %
%.
When there is a television set nearby
The picture on the TV
disappears or stripes
appear on the screen.The location and orientation of the antenna are incorrect. If you are using an indoor antenna, change to
an outdoor antenna.
The TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from the unit.
Playing discs
The display is wrong or
play won’t start.
The total number of tracks
displayed differs each time
the same disc is inserted.
Unusual sound is heard.
CD-RW cannot be read.
“VBR–” is displayed
instead of the remaining
play time.
“TAKE OUT/DISC” appears
on the display.The disc may be upside down. 8
Wipe the disc.
Replace the disc if it is scratched, warped, or non-standard.
Condensation may have formed inside the unit due to a sudden change in temperature. Wait for about an
hour for it to clear and try again.
The disc may be scratched, or its data may be defective. Replace the disc.
The disc was incompletely formatted. Use the recording equipment to fully format the disc before recording.
The unit cannot display the remaining play time for variable bit rate (VBR) tracks.
There is a problem with the disc mechanism. (A power failure may have occurred.)
The tray will open automatically. Remove the disc from the tray, and after ensuring there is no disc in the tray,
close it. The unit will make the disc changing noises for a few moments and then it should operate normally.
Listening to the radio
Noise is heard.
The stereo indicator flickers
or doesn’t light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during
AM broadcasts.Use an outdoor antenna. %
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and cords.
Using the cassette deck
Poor quality sound.
Recording is not possible.Clean the heads.  See below
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. $
Remote control
Remote control doesn’t
work.Check that the batteries are inserted correctly. 4
Replace the batteries if they are worn.
If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
•Never use alcohol, paint thinner or benzene to clean this unit.•Before using a chemically treated cloth, read the instructions that
came with the cloth carefully.
Maintenance
For a cleaner, crisper sound
Clean the heads regularly to assure good quality playback and
recording.
Use a cleaning tape (not included).
Common Problems
Although the unit is in
standby mode, the display
lights up and changes
continuously.
No sound.
Sound stops.
Sound is unfixed, reversed or
comes from one speaker
only.
Humming heard during play.
“ERROR” is displayed.
“– –:– –” appears on the
display at standby mode.
“F61” is displayed.Turn off the demo function. %
If you set the clock, demo function will be turned off automatically. ^
Turn the volume up.
Switch off the unit, determine and correct the cause, then switch the unit on. Causes include shorting of
the positive and negative speaker wires, straining of the speakers through excessive volume or power,
and using the unit in a hot environment.
Check the speaker connections. 6
An AC power supply cord or fluorescent light is near the cables. Keep other appliances and cords away
from this unit’s cables.
Incorrect operation performed. Read the instructions and try again.
You plugged the AC power supply cord in for the first time or there was a power failure recently. Set the
time. ^
Check and correct the speaker cords connection. 6
If this does not fix the problem, there is a power supply problem. Consult the dealer. 
						

							RQT7330
19
Specifications
AMPLIFIER SECTION AK520  Power output
THD 10%, both channels driven
60
 Hz–3 kHz
(Low channel) 55 W per channel (6 Ω)
3 kHz–16 kHz
(High channel) 55 W per channel (6 Ω)
40 Hz–100 Hz
(Subwoofer channel) 140 W (8 Ω)
Total power360 W (Total)
Power output
THD 10%, both channels driven
1
 kHz
(Low channel) 65 W per channel (6 Ω)
10 kHz
(High channel) 65 W per channel (6 Ω)
80 Hz
(Subwoofer channel) 160 W (8 Ω)
Total power420 W (Total)
Input sensitivity
AUX250
 mV
Input Impedance
AUX13.3
 kΩ
AMPLIFIER SECTION AK523  Power output
THD 10%, both channels driven
60
 Hz–3 kHz
(Low channel) 50 W per channel (6 Ω)
3 kHz–16 kHz
(High channel) 50 W per channel (6 Ω)
40 Hz–100 Hz
(Subwoofer channel) 140 W (8 Ω)
Total power340 W (Total)
Power output
THD 10%, both channels driven
1
 kHz
(Low channel) 60 W per channel (6 Ω)
10 kHz
(High channel) 60 W per channel (6 Ω)
80 Hz
(Subwoofer channel) 160 W (8 Ω)
Total power400 W (Total)
Input sensitivity
AUX250
 mV
Input Impedance
AUX13.3
 kΩ
AMPLIFIER SECTION 
AK320  
Power output
THD 10%, both channels driven
60
 Hz–3 kHz
(Low channel) 58 W per channel (6 Ω)
3 kHz–16 kHz
(High channel) 58 W per channel (6 Ω)
Total Bi-Amp power116 W per channel
Power output
THD 10%, both channels driven
1
 kHz
(Low channel) 75 W per channel (6 Ω)
10 kHz
(High channel) 75 W per channel (6 Ω)
Total Bi-Amp power150 W per channel
Input sensitivity
AUX250
 mV
Input Impedance
AUX13.3
 kΩ
AMPLIFIER SECTION 
AK323 
Power output
THD 10%, both channels driven
60
 Hz–3 kHz
(Low channel) 54 W per channel (6 Ω)
3 kHz–16 kHz
(High channel) 54 W per channel (6 Ω)
Total Bi-Amp power108 W per channel
Power output
THD 10%, both channels driven
1
 kHz
(Low channel) 70 W per channel (6 Ω)
10 kHz
(High channel) 70 W per channel (6 Ω)
Total Bi-Amp power140 W per channel
Input sensitivity
AUX250
 mV
Input Impedance
AUX13.3
 kΩ
  Front speakers SB-AK320
AK320 AK323Type3 way, 3 speaker system
Speaker(s)
Woofer16
 cm (61/2˝) cone type
Tweeter6 cm (23/8˝) cone type
Super tweeter2.5 cm (1˝) Piezo type
Impedance
HIGH 6
 Ω
LOW6 Ω
Input power (IEC)
HIGH 75
 W (Max)
LOW 75 W (Max)
Output sound pressure level
83
 dB/W (1.0 m)
Cross over frequency2.6 kHz, 10 kHz
Frequency range37
 Hz–23 kHz (–16 dB)
44 Hz–22 kHz (–10 dB)
Dimensions (WxHxD)241 x 360 x 239 mm
(91/2˝ x 143/16˝ x 913/32˝)
Mass3.8 kg (8.4 lb.)
 Subwoofer SB-WAK520
AK520 AK523Type1 way, 1 speaker system
Speaker(s)
Subwoofer16
 cm (61/2˝) cone type
Impedance 8 Ω
Input power (IEC)160 W (Max)
Output sound pressure level
80
 dB/W (1.0 m)
Frequency range40 Hz–220 Hz (–16 dB)
45 Hz–180 Hz (–10 dB)
Dimensions (WxHxD)266 x 331 x 264 mm
(10
15/32˝ x 131/32˝ x 1013/32˝)
Mass4.1 kg (9 lb.)
GENERALPower supplyAC 120 V, 60 Hz
Power consumption
AK520 AK523 
: 267 W
AK320 AK323 : 225 W
Dimensions (WxHxD)
AK520 AK523 
: 250 x 330 x 369 mm
(927/32˝ x 13˝ x 1417/32˝)
AK320 AK323 
:  250 x 330 x 366 mm
(927/32˝ x 13˝ x 1413/32˝)
Mass
AK520 AK523 
: 8.2 kg (18.0 lb.)
AK320 AK323 
: 7.5 kg (16.5 lb.)
Power consumption in standby mode: 0.34 W
Note:
1. Specifications are subject to change
without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by
the digital spectrum analyzer.
3. The labels “HIGH” and “LOW” on the rear
of the speakers refer to High frequency
and Low frequency.
FM TUNER SECTIONFrequency range
87.9–107.9 MHz (200 kHz steps)
87.5–108.0 MHz (100 kHz steps)
Sensitivity2.5 ØV (IHF)
S/N 26 dB2.2 ØV
Antenna terminal(s)75 Ω (unbalanced)
AM TUNER SECTIONFrequency range
520–1710 kHz (10 kHz steps)
Sensitivity
S/N 20
 dB (at 1000 kHz)560 ØV/m
CASSETTE DECK SECTIONTrack system4 track, 2 channel
Heads
Record/playbackSolid permalloy head
ErasureDouble gap ferrite head
MotorDC servo motor
Recording systemAC bias 100 kHz
Erasing systemAC erase 100 kHz
Tape speed4.8 cm/s (1
7/8 ips)
Overall frequency response
(+3 dB, –6 dB at DECK OUT)
NORMAL (TYPE I)35 Hz–14 kHz
S/N50 dB (A weighted)
Wow and flutter0.18% (WRMS)
Fast forward and rewind time
Approx. 120 seconds with
C-60 cassette tape
CD SECTIONSampling frequency44.1 kHz
Decoding16 bit linear
Beam source/wavelength
Semiconductor laser/780
 nm
Number of channelsStereo
Frequency response
20
 Hz–20 kHz (+1, –2 dB)
Wow and flutterBelow measurable limit
Digital filter8
 fs
D/A converterMASH (1 bit DAC)
MP3
Bit rate32
 kbps–320 kbps
Sampling frequency
32
 kHz, 44.1 kHz, 48 kHz
SPEAKER SECTION
 Front speakers SB-AK520
AK520 AK523Type3 way, 3 speaker system
Speaker(s)
Woofer16
 cm (61/2˝) cone type
Tweeter6 cm (23/8˝) cone type
Super tweeter2.5 cm (1˝) Piezo type
Impedance
HIGH 6
 Ω
LOW6 Ω
Input power (IEC)
HIGH 65
 W (Max)
LOW65 W (Max)
Output sound pressure level
83
 dB/W (1.0 m)
Cross over frequency2.6 kHz, 10 kHz
Frequency range37
 Hz–23 kHz (–16 dB)
44 Hz–22 kHz (–10 dB)
Dimensions (WxHxD)241 x 360 x 239 mm
(91/2˝ x 143/16˝ x 913/32˝)
Mass3.8 kg (8.4 lb.) 
						

							Panasonic Consumer Electronics
Company, Division of Matsushita
Electric Corporation of America
One Panasonic Way Secaucus,
New Jersey 07094
http://www.panasonic.com
Panasonic Sales Company,
Division of Matsushita Electric of
Puerto Rico, Inc. (“PSC”)
Ave. 65 de Infantería, Km. 9.5
San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
Panasonic Canada Inc.
5770 Ambler Drive
Mississauga, Ontario
L4W 2T3
www.panasonic.ca
RQT7330-5P
G1003CP5044 © 2004 Matsushita Electric Industrial Co., Ltd.
Printed in Singapore
Limited Warranty (ONLY FOR U.S.A.)
En
Panasonic Audio Products
Limited Warranty
Panasonic Consumer Electronics Company,
Division of Matsushita Electric Corporation of America
One Panasonic Way Secaucus, New Jersey 07094Panasonic Sales Company, Division of Matsushita Electric
of Puerto Rico, Inc.,
Ave. 65 de Infantería, Km. 9.5
San Gabriel Industrial Park, Carolina, Puerto Rico 00985
Limited Warranty Coverage
If your product does not work properly because of a defect in materials or workmanship,
Panasonic Consumer Electronics Company or Panasonic Sales Company (collectively
referred to as “the warrantor”) will, for the length of the period indicated on the chart below,
which starts with the date of original purchase (“warranty period”), at its option either (a)
repair your product with new or refurbished parts, or (b) replace it with a new or a refur-
bished product. The decision to repair or replace will be made by the warrantor.
During the “Labor” warranty period there will be no charge for labor. During the “Parts”
warranty period, there will be no charge for parts. You must carry-in or mail-in your prod-
uct during the warranty period. If non-rechargeable batteries are included, they are not
warranted. This warranty only applies to products purchased and serviced in the United
States or Puerto Rico. This warranty is extended only to the original purchaser of a new
product which was not sold “as is”. A purchase receipt or other proof of the original pur-
chase date is required for warranty service.Carry-In or Mail-In Service
For Carry-In or Mail-In Service in the United States call 1-800-211-PANA (1-800-211-
7262) or visit Panasonic web site: http://www.panasonic.com
For assistance in Puerto Rico call Panasonic Sales Company (787)-750-4300 or fax
(787)-768-2910.
Limited Warranty Limits And Exclusions
This warranty ONLY COVERS failures due to defects in materials or workmanship, and
DOES NOT COVER normal wear and tear or cosmetic damage. The warranty ALSO
DOES NOT COVER damages which occurred in shipment, or failures which are caused
by products not supplied by the warrantor, or failures which result from accidents, misuse,
abuse, neglect, mishandling, misapplication, alteration, faulty installation, set-up adjust-
ments, misadjustment of consumer controls, improper maintenance, power line surge,
lightning damage, modification, or commercial use (such as in a hotel, office, restaurant,
or other business), rental use of the product, service by anyone other than a Factory
Servicenter or other Authorized Servicer, or damage that is attributable to acts of God.
THERE ARE NO EXPRESS WARRANTIES EXCEPT AS LISTED UNDER “LIMITED
WARRANTY COVERAGE”. THE WARRANTOR IS NOT LIABLE FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THIS PRODUCT,
OR ARISING OUT OF ANY BREACH OF THIS WARRANTY. (As examples, this ex-
cludes damages for lost time, travel to and from the servicer, loss of media or images,
data or other memory content. The items listed are not exclusive, but are for illustration
only.) ALL EXPRESS AND IMPLIED WARRANTIES, INCLUDING THE WARRANTY OF
MERCHANTABILITY, ARE LIMITED TO THE PERIOD OF THE LIMITED WARRANTY.
Some states do not allow the exclusion or limitation of incidental or consequential damages,
or limitations on how long an implied warranty lasts, so the exclusions may not apply to you.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state. If a problem with this product develops during or after the warran-
ty period, you may contact your dealer or Servicenter. If the problem is not handled to your
satisfaction, then write to the warrantor’s Consumer Affairs Department at the addresses
listed for the warrantor.
PARTS AND SERVICE WHICH ARE NOT COVERED BY THIS LIMITED WARRANTY
ARE YOUR RESPONSIBILITY.
Customer Services Directory
Accessory Purchases
Obtain Product Information and Operating Assistance; locate your nearest Dealer or Servicenter; purchase Parts and
Accessories; or make Customer Service and Literature requests by visiting our Web Site at:
http://www.panasonic.com/support
or, contact us via the web at:
http://www.panasonic.com/contactinfoYou may also contact us directly at:
1-800-211-PANA (7262),
Monday-Friday 9 am-9 pm; Saturday-Sunday 10 am-7 pm, EST.
For hearing or speech impaired TTY users, TTY: 1-877-833-8855
Purchase Parts, Accessories and Instruction Books online for all Panasonic Products by visiting our Web Site at:
http://www.pasc.panasonic.comm
or, send your request by E-mail to:
[email protected] may also contact us directly at:
1-800-332-5368 (Phone)  1-800-237-9080 (Fax Only) (Monday – Friday 9 am to 8 pm, EST.)
Panasonic Services Company
20421 84th Avenue South, Kent, WA 98032
(We Accept Visa, MasterCard, Discover Card, American Express, and Personal Checks)
For hearing or speech impaired TTY users, TTY: 1-866-605-1277
Matsushita Electric of Puerto Rico, Inc. Panasonic Sales Company
Factory Servicenter:
Ave. 65 de Infantería, Km. 9.5, San Gabriel Industrial Park, Carolina, Puerto Rico 00985
Phone (787)750-4300, Fax (787)768-2910
Service in Puerto Rico
PartsOne (1) yearThirty (30) days
Three (3) years
One (1) year
Ninety (90) days
Ten (10) days
Ninety (90) days
Product or Part NameAudio Products (except items listed below)All Audio Racks (cabinets)
Stand Alone Speakers, Subwoofer Speakers
USB Reader-Writer, Personal Computer
Card Adapters
(in exchange for defective item)
Accessories: Headphones, Cartridges,
Microphones, Adapters
Rechargeable Batteries, DVD-R/-RAM Discs
(in exchange for defective item)
SD Memory Cards, Rechargeable Battery
Packs (in exchange for defective item)
LaborOne (1) yearNot Applicable
Three (3) years
Not Applicable
Ninety (90) days
Not Applicable
Not Applicable