Philips AZ-1050, AZ-1055 Service manual
CD Stereo Radio Recorder
AZ1050
AZ1055
all versions
TABLE OF CONTENTS
chapter
Handling chip components and safety 1 - 1
Technical Specification & Service Tools 2 - 1
Service Measurement 2 - 2
Connections & Controls
Instructions for use
Disassembly Diagram 4 - 1
CD Service Test Program 4 - 2 to 4 - 3
Block Diagram
Wiring Diagram 5 - 2
TUNER BOARD
circuit diagram
layout diagram
COMBI BOARD
circuit diagram
layout diagram
Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified
be used.
C
Copyright 1995 Philips Consumer Electroncis B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system or transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
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3 - 1
3 - 2 to 3 - 5
5 - 1
6 - 1
6 - 2
7 - 1, 7 - 3, 7 - 5
7 - 2, 7 - 6
FRONT BOARD
circuit diagram
layout diagram
EXPLODED VIEWS DIAGRAM
cabinet
tape deck
Mechanical partslist
Electrical partslist
.......................................................
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...............................................
9 - 1 to 9 - 4
CLASS 1
LASER PRODUCT
chapter
7 - 4
7 - 4
8 - 1
8 - 2
8 - 2
PCS 107 205
Printed in The Netherlands Copyright reserved Subject to modification
GB
3140 785 22620Published by SS 0105 Service Audio
HANDLING CHIP COMPONENTS
1-1
© WARNING
All ICs and many other semiconductors are susceptible to
electrostatic discharges (ESD). Careless handling during
repair can reduce life drastically.
When repairing, make sure that you are connected with the
same potential as the mass of the set via a wristband with
resistance. Keep components and tools at this potential.
f ATTENTION
Tous les IC et beaucoup d´autres semi-conducteurs sont
sensibles aux décharges statiques (ESD). Leur longévite
pourrait être considérablement écourtée par le fait qu´aucune
précaution nést prise à leur manipulation.
Lors de réparations, s´assurer de bien être relié au même
potentiel que la masse de l´appareil et enfileer le bracelet
serti d´une résistance de sécurité.
Veiller à ce que les composants ainsi que les outils que l´on
utilise soient également à ce potentiel.
©
Safety regulations require that the set be restored to its
original condition and that parts which are identical with
those specified be used.
Safety components are marked by the symbol
f
Les normes de sécurité exigent que l`appareil soit remis
à l`état d`origine et que soient utilisées les pièces de
rechange identiques à celles spécifiées.
Les composants de sécurité sont marqués
©
DANGER: Invisible laser radiation when open.
AVOID DIRECT EXPOSURE TO BEAM.
sVarning !
Osynlig laserstrålning när apparaten är öppnad och
spärren är urkopplad. Betrakta ej strålen.
Advarsel !
Usynlig laserstråling ved åbning når sikkerhedsafbrydere
er ude af funktion. Undgå udsaettelse for stråling.
d WARNUNG
Alle ICs und viele andere Halbleiter sind empfindlich
gegenüber elektrostatischen Entladungen (ESD).
Unsorgfältige Behandlung im Reparaturfall kann die
Lebensdauer drastisch reduzieren.
Sorgen Sie dafür, daß Sie im Reparaturfall über ein Pulsarmband mit Widerstand mit dem Massepotential des
Gerätes verbunden sind.
Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem
Potential.
d
Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten. Der Originalzustand des Gerätes
darf nicht verändert werden. Für Reparaturen sind Originalersatzteile zu verwenden.
Sicherheitsbauteile sind durch das Symbol markiert.
ß Varoitus !
Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina
näkymättömälle laserisäteilylle. Älä katso säteeseen !
ESD
SAFETY
CLASS 1
LASER PRODUCT
ñ WAARSCHUWING
Alle IC´s en vele andere halfgeleiders zijn gevoelig voor
electrostatische ontladingen (ESD).
Onzorgvuldig behandelen tijdens reparatie kan de levensduur
drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie
via een polsband met weerstand verbonden bent met hetzelfde
potentiaal als de massa van het apparaat.
Houd componenten en hulpmiddelen ook op ditzelfde potentiaal.
i AVVERTIMENTO
Tutti IC e parecchi semi-conduttori sono sensibili alle scariche
statiche (ESD).
La loro longevità potrebbe essere fortemente ridatta in caso di
non osservazione della più grande cauzione alla loro
manipolazione. Durante le riparationi occorre quindi essere
collegato allo stesso potenziale che quello della massa
delápparecchio tramite un braccialetto a resistenza.
Assicurarsi che i componenti e anche gli utensili con quali si
lavora siano anche a questo potenziale.
ñ
Veiligheidsbepalingen vereisen, dat het apparaat in zijn
oorspronkeliijke toestand wordt teruggebracht en dat
onderdelen, identiek aan de gespecificeerde, worden toegepast.
De Veiligheidsonderdelen zijn aangeduid met het symbool
i
Le norme di sicurezza estigono che l´apparecchio venga
rimesso nelle condizioni originali e che siano utilizzati i
pezzi di ricambiago identici a quelli specificati.
Componenty di sicurezza sono marcati con
©
After servicing and before returning the set to customer
perform a leakage current measurement test from all
exposed metal parts to earth ground, to assure no
shock hazard exists.
The leakage current must not exceed 0.5mA.
f
"Pour votre sécurite, ces documents doivent être utilisés par
des spécialistes agréés, seuls habilités à réparer votre
appareil en panne".
PCS 104 439
TECHNICAL SPECIFICATIONS
2-1
GENERAL
Mains voltage
Mains frequency-/00/05/10/14 : 50 Hz
Battery mains : 9 V (R20 x 6)
Power consumption : 5 W
Dimension (W x H x D) : 435 x 252 x 170 mm
Weight : 3.4 Kg
-/00/05/10/14
-/01/11 : 120 / 230 V
-/01/11 : 50 / 60 Hz
Remote : 3V (R6 x 2)
: 230 V
-/17 : 120 V
-/17 : 60 Hz
AMPLIFIER
Output power mains : 2 x 1.4 W
battery : 2 x 1.6 W
Speaker impedance : 2 x 4 ohm
Frequency response : 100 Hz - 10 kHz (±3dB)
TUNER - FM SECTION
Tuning range : 87.5 - 108 MHz
IF frequency : 10.7 MHz ± 0.2 MHz
Sensitivity : 14 dBf at 26dB S/N
Selectivity : 45 dB at 300kHz
IF rejection : 65 dB
Image rejection : 26 dB
TUNER - AM SECTION
Tuning range MW : 522 - 1607 kHz
-/17 : 520 - 1730 kHz
IF frequency : 468 kHz ± 3 kHz
Sensitivity MW : 1500 µ V/m at 26dB S/N
Selectivity MW : 20 dB
IF rejection MW : 60 dB
Image rejection MW : 32 dB
AUDIO CASSETTE RECORDER
Number of tracks : 2 stereo
Tape speed : 4.76 cm/sec ± 3%
Wow & flutter : < 0.48 JIS UWTD
Fast wind/rewind C60 : < 120 sec.
Frequency response P/B : 125 - 8000 Hz
S/N ratio :
40 dB
COMPACT DISC
Frequency response : 100 Hz - 10 kHz
S/N ratio : 60 dB
Channel difference 1 kHz : < 3 dB
Channel crosstalk 1 kHz : 40 dB
Laser wavelength : 780 ± 20 nm
Laser light power : < 0.5 mW
SERVICE TOOLS
TORX T10 screwdriver with shaftlength 150mm.........................................4822 395 50423
TORX screwdriver set SBC 163...............................................................4822 295 50145
Audio signal disc SBC 429........
Playability test disc SBC 444...................................................................4822 397 30245
Test disc 5 (disc without errors ) +
Test disc 5A (disc with dropout errors, black spots and fingerprints)
SBC 426/426A.....................................................................4822 397 30096
Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”)
Universal test cassette Fe SBC 420
..............................................................4822 397 30184
.....4822 397 30155
........................................................4822 397 30071
PCS 107 206
CONNECTIONS AND CONTROLS
Batteries
For the set (optional)
Open the battery compartment of the set and insert 6 batteries,
type R20, UM-1 or D-cells (preferably alkaline).
For the remote control (optional)
Open the battery compartment of the remote control and insert 2
batteries, type R03, UM-4 or AAA-cells (preferably alkaline).
Remove batteries if they are flat or if the set is not going to be
used for a long time.
Batteries contain chemical substances, so they should be
Mains
disposed of properly.
3-1
A
The type plate is located
vice organisation.
responds to your local mains voltage. If it does not, consult
cor
your dealer or ser
on the bottom of the set.
selector to the local mains voltage.
socket. This switches on the mains supply. The mains cable is
1 Check whether the mains voltage as shown on the type plate
2 If the set is equipped with a VOLTAGE selector A, set this
inside the battery compartment.
3 Connect the mains cable to the AC MAINS socket and the wall
The battery supply will be switched off when the set is connected
to the mains. To change over to battery supply, pull out the plug
from the unit’s AC MAINS socket.
To disconnect the set from the mains completely, remove the mains
plug from the wall socket.
8
7
9
ogram
X
B
A
E
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F
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¥
¥
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H
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CD MODE
R
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3
2
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RECORD
PLAY
PROGRAM
SEARCH
H
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SENSOR
REMOTE
OP
A
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AZ1055
ITAL
STOP
A
PLA
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DIG
CD
ASS REFLEX
B
E
L
F
X
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S
S
A
B
compartment
CLOSE.....opens the CD
•
the program
play
forward
backward
playing modes and
programs tracks
order
CD or the pr
the current, a previous or a
subsequent track of a CD
play
searches backward/forward
in a CD track
the program
.........................skips and searches
E
M
U
L
O
V
8CD PLAYER
OPEN
9...........................stops CD play and erases
2;........................starts and interrupts CD
§.........................skips and searches
CD MODE..............selects the different CD
REMOTE CONTROL
SHUFFLE...............plays CD tracks in random
REPEAT.................repeats a track, the entire
9 ..............................Display
2;........................starts and interrupts CD
¡™......................selects the beginning of
56SEARCH.....
9...........................stops CD play and erases
1
playback
5
6
4
REPEAT
SEARCH
SHUFFLE
SEARCH
....selects the sound source
FUNCTIONSBASIC
CD, TAPE, BAND
POWER:
2DBB.......................enhances the bass
1
(back of the set)
off the speakers.
p...........................3.5mm headphone socket
3VOLUME...............adjusts the volume level
Note: Connecting the headphones will switch
4
5CASSETTERECORDER
the cassette compartment
;...............interrupts recording or
AUSE
P
OPEN·STOP /9..stops the tape and opens
SEARCH 6 ...........rewinds the tape
SEARCH 5 ...........fast forwards the tape
PLAY 1.................starts playback
RECORD 0 ...........starts recording
remote control
RADIO
6 ..............................Sensor for the infrared
7TUNING................tunes to radio stations
1BAND: FM, MW ...selects the wave band
PCS 107 207
INSTRUCTIONS FOR USE
E
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3-2
CD MODE
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SHUFFLE
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PAUSE
Playing a CD
1 Set the POWER slider to CD.
2 Press/ OPEN to open the CD compartment.
3 Insert an audio CD(printed side up) and close the CD
AM
FM
TAPE
CD
DYNAMIC
BASS
BOOST
OFF
POWER
Then, the CD player stops. Display indication: the total
number of tracks.
compartment.
™ The CD player starts and scans the contents list of the CD.
35
ASSETTE R
AZ10
IO C
CD RAD
™ Display indication: the current track number.
4 Press the 2; button to start CD play.
™ Display indication: the total number of tracks.
5 Press the 9button to stop CD play.
5
AZ103
CD RADIO CASSETTE
DYNAMIC
BASS
BOOST
™ Display indication: the current track number (flashing).
You can interrupt CD play by pressing 2;. Continue CD play by
pressing the button again.
Note: CD play will also stop if:
VOLUME
– you open the CD compartment,
– the end of the CD is reached, or
– you move the POWER slider.
If you make a mistake when operating the CD player, or if the
CD player cannot read the CD, the display shows E or no. (See
”TROUBLESHOOTING”.)
If you press 2; and there is no CD inserted, the display
M
F
7
0
1
5
0
1
3
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1
3
6
3
5
M
/F
M
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IN
170
130
100
80
FM AM
63
53
108
kHz
x 10
104
100
96
92
88
MHz
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Environmental information
All redundant packing material has been omitted. We have done our utmost to make the
packaging easily separable into three mono materials: cardboard (box), polystyrene foam (buffer)
and polyethylene (bags, protective foam sheet).
Your set consists of materials which can be recycled if disassembled by a specialized company.
Please observe the local regulations regarding the disposal of packing materials, exhausted
shows no.
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batteries and old equipment.
Switching the set on and off
PCS 104 276
avoid unnecessary power consumption.
Set the POWER slider to the desired sound source:
CD, TAPE, or BAND (for radio).
The set is switched off when the POWER slider is set to OFF/TAPE
and the keys of the tape deck are released.
Note: If you use batteries, switch the set off after use. This will
Adjusting volume and sound
Adjust the volume using the VOLUME control.
Increase and decrease the bass level by pressing DBB.
wave band.
The bass level can also be emphasised if you place the set against
wall or shelf. Do not cover any vents; leave sufficient room around
Radio – tuning to radio stations
the unit for ventilation.
1 Set the POWER slider to FM or MW to select the desired
2 Tune to the desired radio station by using the TUNING wheel.
Improving RADIO reception
For FM stations, pull out the telescopic antenna. To improve the
signal, incline and turn the antenna. Reduce its length if the signal
is too strong (very close to a transmitter).
For MW stations, direct the built-in antenna by turning the whole
set. The telescopic antenna is not needed.
INSTRUCTIONS FOR USE
C
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AZ1035
SHUFFLE
PROGRAM
PLAY
RECORD
SE
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PA
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EN
•ST
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STOP
PLAY
•
PAUSE
•
•
•
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CD MODE
S
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A
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•
•
•
CD MODE
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RECORD
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STOP
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OPEN
PAUSE
STOP
•
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PLA
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S
PROGRAM
SHUFFLE
ARCH
SE
H
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A
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•
•
•
•
PLAY
PAUSE
PROGRAM
3-3
PROGRAM
PROGRAM
PROGRAM
PROGRAM disappears and your program
number of the stored track is shown.
PROGRAM appears on the display. P lights up briefly, then the
§.
CD MODE to store the track in the memory.
CD MODE: Programming track numbers
You can select a number of tracks and store these in the memory
in the desired sequence. You can store any track more than once.
A maximum of 20 tracks can be stored in the memory.
1 When CD play is stopped, select the desired track with or
CD MODE
ING
D
R
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RE
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030
SETT
AS
RECORD
AZ1
CL
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RADI
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OPEN•S
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P
STOP
•
•
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PLAY
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PROGRAM
CH
SHUFFLE
AR
SE
H
C
R
A
E
S
•
•
•
PLAY •
PAUSE
™
2 As soon as the number of the desired track is displayed, press
for more than 1 second.
3 Select and store all desired tracks in this way.
4 You can review your settings by pressing and holding CD MODE
™ The display shows all stored track numbers in sequence.
If you try to store more than 20 tracks, the display shows F.
Playing the program
Press 2; to play the program.
™ no lights up briefly,
Erasing the program
From the stop position, press 9.
SHUFFLE
REPEAT
ALL
is erased.
– interrupt the power supply,
– open the CD compartment, or
– move the POWER slider.
Note: The program will also be erased if you:
SHUFFLE: All tracks of the CD (or program) are played in
SHUFFLE REPEAT ALL: All tracks of the CD (or program) are
REPEAT: The current track is played repeatedly.™REPEAT ALL: The entire CD (or program) is played repeatedly.
played repeatedly in random order.
Search backward and forward §
Selecting another track
Briefly press the or § button once/several times to skip to the
beginning of the current, previous or subsequent track(s).
During CD play:
™ Display indication: the selected track number.
When CD play is stopped:
forward or backward direction.
™ CD play continues at a low volume.
Searching for a passage during CD play
1 Hold down the or § button to find a particular passage in a
Note: In the different CD modes or when playing a program, searching
2 Release the button when you have reached the desired passage.
CD MODE: Shuffle and Repeat
CD play continues automatically with the selected track.
is only possible within the particular track.
Press 2; to start CD play.
random order.
the chosen mode.
to show the different playing modes.
™
1 During CD play press CD MODE repeatedly to cause the display
™
™
2 After 2 seconds of flashing display indication, CD play starts in
indication disappears.
3 To return to normal CD play, press CD MODE until the display
PCS 104 277
INSTRUCTIONS FOR USE
OPEN•STOP
SEARC
PAUSE
CD RADIO CASSETTE RECORDER
AZ1035
H
PLA
Y
RECORD
RECORD
AZ1035
CD RADIO CASSETTE RECORDER
Recording from the CD player – CD synchro start
1 Set the POWER slider to CD.
2 Insert a CD and, if desired, program the track numbers.
PLAY
SEARCH
STOP
•
OPEN
PAUSE
compartment.
3 Press OPEN·STOP /9to open the cassette compartment.
4 Insert a blank, unprotected, cassette and close the cassette
5 Press RECORD 0 to start recording.
™ Playing of the CD or program starts automatically.
again to resume recording.
6 For brief interruptions press PAUSE ;. Press the PAUSE ;key
3-4
from this very position (use or §);
the beginning of the CD or program.
– if the CD player is in pause mode, recording will start
– if the CD player is in stop mode, recording will start from
7 To stop recording, press OPEN·STOP /9.
Note: the recording can be started from different positions:
Recording from the radio
1 Tune to the desired radio station (see ”RADIO”).
2 Press OPEN·STOP /9to open the cassette compartment.
compartment.
3 Insert a blank, unprotected, cassette and close the cassette
the PAUSE ;key again.
4 Press RECORD 0 to start recording.
5 For brief interruptions press PAUSE ;. To resume recording press
6 To stop recording, press OPEN·STOP /9.
Playing a cassette
PCS 104 278
1 Set the POWER slider to TAPE.
the cassette compartment.
2 Press OPEN·STOP /9to open the cassette compartment.
3 Insert a recorded cassette with the open side upwards and close
4 Press PLAY 1to start playback.
5 Press6 or5 to rewind or fast forward the tape.
6 To stop the tape press OPEN·STOP /9.
General information on recording
Note: The keys are released at the end of the tape.
Recording is permissible insofar as copyright or other rights of
third parties are not infringed upon.
The recording level is set automatically. The controls VOLUME and
DBB do not affect the recording.
At the very beginning and end of the tape, no recording will take
place in the 7 seconds during which the leader tape passes the
recorder heads.
Protecting tapes from accidental erasure
Keep the cassette side to be protected in front of you and snap off
the left tab. Now, recording on this side is no longer possible.
For recording on this set you should use a cassette of the type
NORMAL (IEC type I). This deck is not suitable for recording on
cassettes of the type CHROME (IEC type II) or METAL (IEC
type IV).
To record again on this side of the cassette, cover the opening with
a piece of adhesive tape.
INSTRUCTIONS FOR USE
P
If a fault occurs, first check the points listed
below before taking the set for repair.
If you are unable to solve a problem by
following these hints, consult your dealer or
service center.
3-5
reception.
Headphones are connected. Disconnect headphones.
WARNING
Under no circumstance should you try to
repair the set yourself as this will
invalidate the guarantee.
M
7
F
0
1
05
1
3
10
3
6
3
5
M
M/F
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A
B
Problem Possible cause Solution
No sound, VOLUME is not adjusted. Adjust volume.
no power
Mains cable is not securely connected. Connect mains cable properly.
Batteries are flat. Insert fresh batteries.
Batteries are inserted incorrectly. Insert batteries correctly.
Trying to change over from mains to Remove the mains plug from the
battery supply without removing the plug. unit’s ACMAINS socket.
CD RADIO CASSETTE RECORDER
Interference caused by electrical equipment Keep the radio away from electrical
like TVs, computers, engines, etc. equipment.
No reaction to Electrostatic discharge. Disconnect the set from power supply,
operation of any keys reconnect after a few seconds.
Poor radio reception Weak radio signal. Direct the antenna for optimum
no or E indication The CD is badly scratched or dirty. Replace or clean the CD.
C
C
B
A
No CD is inserted. Insert a CD.
The CD is inserted upside down. Insert CD with label facing up.
The laser lens is steamed up. Wait until the lens has cleared.
SHUFFLE or PROGRAM is active. Switch off SHUFFLE or PROGRAM.
Poor cassette Dust and dirt on the heads, capstans or Clean heads, capstans, and pressure
The CD skips tracks The CD is damaged or dirty. Replace or clean the CD.
sound quality pressure rollers. rollers.
X
G
OP OPEN
EEDDUBBIN
Use of unsuitable cassette types Only use NORMAL type cassettes for
(METAL or CHROME) for recording. recording.
Recording does Cassette tab(s) may be snapped off. Apply a piece of adhesive tape over
RECORD
PLAY
SEARCH
Batteries are flat. Insert fresh batteries.
not work the opening.
Remote control does Batteries are inserted incorrectly. Insert batteries correctly.
not function properly
Distance to the set is too large. Reduce distance.
European Community
cleaning tape once.
This set complies with the radio interference requirements of the
General maintenance
Do not expose the set, batteries, CDs, or tapes to humidity,
rain, sand, or excessive heat (caused by heating equipment or
direct sunlight).
The mechanical parts of the set contain self-lubricating bearings
and must not be oiled or lubricated!
You can clean the set with a soft, slightly dampened, lint-free cloth.
Do not use any cleaning agents as they may have a corrosive effect.
Tape deck maintenance
cotton swab slightly moistened with alcohol or head-cleaner fluid.
Press PLAY 1and clean the rubber pressure roller A.
To ensure proper recording and playback quality, clean parts
A, B and C after approximately 50 hours of operation. Use a
Press PAUSE ;and clean the capstan B and the heads C.
CD player and CD handling
Note: Cleaning of the heads C can also be done by playing a
The lens X of the CD player should never be touched. Always
keep the CD compartment closed to avoid dust on the lens.
The lens may cloud over when the set is suddenly moved from cold
to warm surroundings. Playing a CD is not possible then. Leave the
CD player in a warm environment until the moisture evaporates.
To take the CD out of its box easily, press the centre spindle while
lifting the CD.Always pick up the CD by the edge and put it back
in its box after use.
To clean the CD, wipe it in a straight line from the center toward
the edge using a soft, lint-free cloth. A cleaning agent may
damage the disc!
Never write on a CD or attach a sticker to it.
PCS 104 279
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