philips AZ 1141, AZ 1142, AZ 1143, AZ 1145 Service Manual

CD Stereo Radio Recorder

AZ1140 AZ1141 AZ1142 AZ1143 AZ1145

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 6 - 1

CONTROL BOARD

circuit diagram layout diagram

SWITCH & VOLUME BOARD

layout diagram

TUNER BOARD

circuit diagram layout diagram

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3 - 1

3 - 2 to 3 - 6

5 - 1

7 - 1, 7 - 3

7 - 2

8 - 1

9 - 1 9 - 2

MAIN BOARD

circuit diagram layout diagram

RECORDER & BEAT CUT BOARD

circuit diagram layout diagram

CD MODULE

circuit diagram layout diagram

EXPLODED VIEWS DIAGRAM

cabinet tape deck

Mechanical partslist Electrical partslist

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chapter

10 - 1 10 - 2

11 - 1 11 - 2

12 - 2 12 - 1

13 - 1 13 - 2

13 - 2

14 - 1 to 14 - 4

Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used.

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.

Printed in The Netherlands Copyright reserved Subject to modification

PCS 104 409

CLASS 1

LASER PRODUCT

3140 785 22260Published by SS 0024 Service Audio

TECHNICAL SPECIFICATIONS

2-1

GENERAL

Mains voltage -/00 : 230 V

-/01/11/16 : 120/230 V

-/05/10 : 240 V

-/17 : 120 V

Mains frequency -/00/05/10 : 50 Hz

-/01/11/16 : 50 / 60 Hz

-/17 : 60 Hz

Battery mains : 9 V (R14 x 6)

Remote : 3V (R03 x 2)

Power consumption normal : 10 W

standby : 2 W Dimension (W x H x D) : 290 x 152 x 253 mm Weight : 2.6 Kg

AMPLIFIER

Output power mains : 2 x 1.6 W

battery : 2 x 2 W Speaker impedance : 2 x 4 ohm Frequency response : 100 Hz - 8 kHz (±3dB)

TUNER - FM SECTION

TUNER - AM SECTION

Tuning range MW : 531 - 1602 kHz

-/17 : 520 - 1730 kHz LW : 153 - 279 kHz

IF frequency : 450 kHz ± 1 kHz Sensitivity MW : 64 dBu at 26dB S/N

LW : 70 dBu at 26dB S/N

Selectivity MW : 22 dB

LW : 29 dB

IF rejection ratio MW : 70 dB

LW : 70 dB

Image rejection ratio MW : 32 dB

LW : 35 dB

AUDIO CASSETTE RECORDER

Tape speed accuracy : ± 3% Wow & flutter : < 0.35 % JIS WTD Fast wind/rewind C60 : < 120 sec. Frequency response P/B : 125 – 6.3 kHz S/N ratio : 45 dB

COMPACT DISC

Tuning range : 87.5 - 108 MHz IF frequency : 10.7 MHz ± 0.2 MHz Sensitivity : 16 dBf at 26dB S/N Selectivity : 55 dB at ± 300kHz IF rejection : 85 dB Image rejection : 40 dB

Frequency response : 100 Hz - 10 kHz S/N ratio : > 50 dB Channel difference 1 kHz : < 3 dB Channel crosstalk 1 kHz : > 26 dB Laser wavelength : 780 ± 20nm Laser light power : < 0.3 mW

SERVICE TOOLS

Audio signal disc SBC 429.......................................................................4822 397 30184

Playability test disc SBC 444 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 30071

...................................................................4822 397 30245

.....4822 397 30155

PCS 104 410

CONNECTIONS AND CONTROLS

and reviews the

tracks

whistle tones during

MW (AM) recordings

3-1

stations

radio station

forwards within a track/CD

programme

Tuner - programmes preset radio stations;

CD - programmes

& PROGRAM -

TOP AND FRONT PANELS

1 POWER slider - selects the sound source

BACK PANEL

OFF and also switches

for CD/ TUNER/ TAPE

the set off

2 VOL +, – - adjusts the volume level

type R-14, UM-2 or C-cells

* p - 3.5 mm stereo headphone socket

( Telescopic aerial - improves FM reception

) BEAT CUT switch - eliminates possible

¡ AC Mains - inlet for mains lead

™ Battery compartment - for six batteries,

£ Voltage selector (located inside the battery

the bass

- fast winds/rewinds the tape

is running low

3 BATT LOW - indicates when battery power

4 DBB (Dynamic Bass Boost) - enhances

5 OPEN•CLOSE - opens/ closes the CD door

/ 6

STOP•OPEN 9/ - stops the tape;

SEARCH 5

RECORD 0 - starts recording

PLAY 1 - starts playback

6 CASSETTE RECORDER keys

VOLUME 3,4 – adjusts volume level

PRESET 3,4 (up, down) – selects a preset

TUNING ∞, § (down, up) – tunes to radio

compartment. Some versions only) - select

the correct local voltage 110/220 V before

plugging in the set

REMOTE CONTROL

compartment

- opens the cassette

remote control

SHUFFLE – to play CD tracks in random order5REPEAT – repeats a track/ CD programme/

tuner stations

CD playback

three radio stations

PAUSE ; - interrupts recording or playback

7 Remote sensor - infrared sensor for the

8 1-3 - programmes and selects your favourite

9 PRESET 3, 4 - (down, up) selects preset

0 BAND - selects waveband

! PLAY PAUSE 2; - starts /pauses

entire CD

interrupts CD playback

2; – starts and pauses CD playback/

e.g. SHUFFLE/ REPEAT CD

tracks or programme in random

@ CD MODE - selects a different play mode

CD programme

track/ previous/ later track

¡, ™ – skips to the beginning of a current

STOP 9 – stops CD playback or erases a

SEARCH 5, 6 – searches backwards or

/repeated order

programme;

activates/ deactivates display

demo mode.

# STOP 9 - stops CD playback or erase a CD

18573

/ §

searches back and forward within a

track;

- skips to the beginning of a current

Tuner: (down, up) tunes radio stations.

CD: -

$ Cassette door

% Display - shows the status of the set

^ SEARCH ∞

track/ previous/ later track

CAUTION

Use of controls or adjustments or performance of procedures other than herein

may result in hazardous radiation exposure or other unsafe operation.

(

98 0

3 2 67 55

1 4

BAND

PRESET

REMOTE

SENSOR

RECORD

PLAY

ALL

REPEAT

PROGRAM

STOP•OPEN

PAUSE

VOL

TUNER

BATT

LOW

DBB

BASS

PLAY•PAUSE

DYNAMIC

BOOST

TAPE

OFF

CD MODE

PROGRAM

AZ1145

CD RADIO CASSETTE R ECORDER

DIGITAL TUNER

DYNAMIC BASS BOOST

STOP

&^@ # $ %!

REPEAT

TUNING

VOLUME

PRESET

ontrol

STOP

emote

SHUFFLE

igital

694

(

)

¡

™

£

PCS 104 411

INSTRUCTIONS FOR USE

AC ~ MAINS

6 x R14 • UM-2 • C-CELLS

PROGRAM

REPEAT

ALL

PLAY

•

AUSE

PAUSE

STOP

•

OPEN

PLAY

RECORD

DYNAMIC

BASS

BOOST

DBB

VOL

TUNER

BATT LOW

TAPE

OFF

REMOTE

SENSOR

PROGRAM

REPEAT

ALL

PLAY

•

AUSE

PAUSE

STOP

•

OPEN

PLAY

RECORD

DYNAMIC

BASS

BOOST

DBB

VOL

TUNER

BATT LOW

TAPE

OFF

REMOTE

SENSOR

PROGRAM

REPEAT

ALL

STOP

CD MODE

PLAY

•

AUSE

PAUSE

STOP

•

OPEN

PLAY

RECORD

DYNAMIC

BASS

BOOST

DBB

PROGRAM

REMOTE

SENSOR

3-2

TUNER or TAPE/OFF.

TAPE/OFF position and the keys on the tape deck are released.

Switching on and off

• Adjust the POWER slider to the desired sound source: CD,

• The set is switched off when the POWER slider is in the

™The volume and tuner presets will be retained in the set's

memory.

Adjusting volume and sound

1. Press the VOL +, – controls to increase or decrease VOLUME

(or press 3 or 4on the remote control).

demo mode for 30 seconds;

scrolls once before the demo mode is cancelled.

2. Adjust the DBB control to select dynamic bass boost on or off.

PHILIPS demo mode

1. On the set, press the CD STOP 9 button for 5 seconds.

™PH..IL ..IPS scrolls across the display continuously.

2. To return to the current display you can either:

• press any function button on the front panel. This interrupts the

• press the CD STOP 9button for 5 seconds. PH..IL ..IPS

GENERAL INFORMATION

rain, sand or excessive heat caused by heating equipment or

direct sunlight.

General maintenance

• Do not expose the set, batteries, CDs or cassettes to humidity,

• To clean the set, use a soft, slightly dampened chamois leather

Do not use any cleaning agents containing alcohol, ammonia,

benzene or abrasives as these may harm the housing.

Safety information

• Place the set on a hard and flat surface so that the system

does not tilt. Make sure there is adequate ventilation to

prevent the system from overheating.

bearings and must not be oiled or lubricated.

• The mechanical parts of the set contain self-lubricating

y to mix old batteries

y power is running low.

PCS 104 412

lights up, batter

TT LOW

batteries are too weak.

rect use of batteries can cause electrolyte leakage and will

R-14, UM-2 or C-cells, (preferably alkaline) with the correct

polarity as indicated by the "+" and "-" symbols inside the

conserve battery life. Make sure you remove the plug from the set

BATTERIES (OPTIONAL)

and wall socket before inserting batteries.

Whenever convenient, use the mains supply if you want to

1. Open the battery compartment and insert six batteries, type

compartment.

Remote control (supplied)

Open the battery compartment and insert two batteries,

type AAA, R03 or UM4 (preferably alkaline).

2. Replace the compartment door, making sure the batteries are

firmly and correctly in place. The set is now ready to operate.

– If BA

– The BATT LOW indicator eventually goes out if the

Incor

corrode the compartment or cause the batteries to burst.

Only use batteries of the same type for the set.

with the new ones.•Remove the batteries if the set is not to be used for a long

time.

Therefore:

• Do not mix battery types:e.g. alkaline with carbon zinc.

• When inserting new batteries, do not tr

be disposed of properly.

• Batteries contain chemical substances, so they should

Using AC MAINS

1. Check if the mains voltage as shown on the type plate on

the base of the set, corresponds to your local mains supply. If

it does not, consult your dealer or service centre.

selector so that it matches with the local mains supply.

ready for use.

3. Connect the mains lead to the wall socket and the set is now

remove the plug from the wall socket.

4. To disconnect the set from the mains supply completely

2. If your set is equipped with a voltage selector, adjust the

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