Philips AZ-300 Service Manual

Compact design MP3-CD Black CD Soundmachine

AZ300/55/78

AZ300X/78

CONTENTS

Technical Specification......................................................................1-1..1-7

Version Variation.......................................................................................2-1

Safety Instruction......................................................................................2-2

Block diagram...........................................................................................3-1

Wiring diagram ........................................................................................3-2

Circuit Diagram

Main + KEY board....................................................................................4-1

Main board................................................................................................4-2

Layout diagram

MAIN BOARD Layout.........................................................................5-1 5-2

KEY L a y o u t ......................................................................................5-3

Explode Drawing.......................................................................................6-1

©

Copyright 2011 Philips Consumer Electronics 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.

Published by LZ 1139 Subject to modification

Version 1.2

3141 785 36912

TECHNICAL SPECIFICATION

I

II x

Version

Refer to

/05

UK

/12

Europe

/55 latum

/79

Australian

/98 Asia
Pacific

/77 /78

For operation and thermal stability test :

220/230/240Vac setting : 198Vac to 264Vac

120Vac setting : 99Vac to 140Vac

dual voltage ac setting (120Vac / 230Vac) : 99Vac to 140Vac and 196Vac to 264Vac

REMARKS:

37 120VAC/

60HZ

+/-10%

120/230VAC

50/60HZ

+/-15%

120/230VAC

50/60HZ

+/-15%

Refer to

version

chart

230VAC

50HZ

+/-15%

Refer to

version

120/230VAC

50/60HZ

+/-15%

Refer to

version

230VAC

50HZ

+/-10%

Refer to

version

chart

230VAC

50HZ

+/-10%

Measured according to: R <

3% (CE52)

DERIVED VERSIONS: APPROB

ATION

AC Voltage/ Frequency on type plate Safety

Power off mode:

d5W typ. 3 W (power off mode) Standby: 0nW (power off mode)

Maximum: 15

W Maximum:

General

:

Q and R according to production division rules : Q < 1% (Major), Q < 4% (Minor)

Frequency:

See table below

External DC: No

POWER CONSUMPTION:

Selection:

See table below

Lifetime: CD tʳʳʳ˄˃ʳʳhours, TU t 20 hours,

(R14 䞥䴌⥟ alkaline batteries)

POWER SUPPLY:

MAINS (AC) operation DC (int. or ext.) operation / Backup

Voltage selection:

See table below

Battery type: R14, UM2, C-cell x 6; nom.: 9V

minimum operating voltage : 6.3V for CD

5.4V for TU

EN55013, .EN55020 , (Version 55 approbation CB only )

CLIMATIC REQUIREMENTS: (acc. to UAN-D1590)

All climates:

-10 qC till +50 qC (Functional); Set has to be pre-conditioned for 2 hour, except CD function

For all measurements: 25 qC

SAFETY REQUIREMENTS:

EN 60065 (IEC 65) CE

RADIATION, IMMUNITY REQUIREMENTS: (EMC)

xx

R

E
C CLOCK CD TELEPHONE

General description:

LIFETIME : 5 years (acc. to UAN-D1611)

PERFORMANCE CLASSES :

Tuner SUPPLY, aMPLifier

SPEAKER

BOXES

1-1

TECHNICAL SPECIFICATION

AM FM

RF

SI4831 SI4831

TUNER PART

TECHNICAL description:

(circuitry) FM AM (active components)

GENERAL part:

WAVE RANGE TOLERANCES TUNING STEP(mm/10khz)

Detector

Decoder

IF

SI4831

SI4831

FM (12/05/55/79/77/98 /78version) 87 –108MHZ LOW : +0.3/-0.3MHZ

HIGH: +0.4/-0.4MHZ

0.025

MW 522 –1620KHZ

LOW: +30KHZ /-30KHZ

HIGH:

+

40KHZ /

-

40KHZ

0.54

FM (37 version) 87 –108MHZ LOW : +0.3/-0.3MHZ

HIGH: +0.4/-0.4MHZ

0.54

AERIAL:

AM (37/77/78/55 version)

50 –1710KHZ

LOW: +30KHZ /-30KHZ

HIGH: +40KHZ /-40KHZ

HIGH: +40KHZ /

-

40KHZ

FM wire : N/A Execution - N/A

INDICATORS:

Pointer stroke: Execution pointer:

Knob indication over: Field Strength:

MW Ferrite Bar : 60 mm /D 10mm FM telescope : 430

mm

nom.

limit

30 25 dB

12 18 dBf

2 +/-2 dB

-3dB limiting point

Am

p

lification reserve 2 +/- 3dB Am

p

lification reserve

ELECTRICAL DATA:

AM: Nom. limit FM:

RATED OUTPUT POWER 10% THD 80%Mod 120dB 1W -6DB

AM Suppression

g

2

+/ 2 dB

300 +/- 150

5 7%

AGC figure of merit 31 25 dB AFC holding range (average)

Distortion (RF 74 to 94 dBuV/m, m=80%) 5 7% Distortion

(RF 32 to 72 dBuV,

mono 'f 100kHz, Stereo : 90% + 9%)

Amplification reserve

2

+/ 3dB

Amplification reserve

40 44 dBuV

18/20/15 dB

Cross-talk (RF 1mV, 'f 40kHz,

400Hz /1kHz / 5kHz)

21/25/18

Stereo -46dB quieting

1-2

TECHNICAL SPECIFICATION

0 3 dB

44 40 dB

30 dB2, 3th IF harmonics rejection 21 18

8

,

9

,

10

th

harmonics whistle

35

Channel difference 0 3 dB Channel unbalance (250Hz to 6300Hz)

Modulation hum (30% mod) 45 40 Modulation hum (22.5kHz dev)

Strong S/N radio

RF 94dBuV/m, m=80%

45 40 S/N radio (A-Weighted, RF 4mV) 53 50 dBA

70 80 Hz

12k 10k Hz

- 50us

-

Overall frequency response (-3dB) 60

1.5

120 Hz

1.3k Hz

Overall frequency response (+/- 3dB, 1kHz ref)

, j

(RF 64 to 94dBuV/m)

8

,

9

,

10

harmonics whistle

90 96 Vac

190 192 Vac

/ N/A

// Search tuning stop accuracy

Search tuning sensitivity / N/A

Search tuning sensitivity

Search tuning stop accuracy

96 Vac

192 Vac

O

sc

ill

a

t

or s

t

op vo

lt

age

120V setting

230V setting

O

sc

ill

a

t

or s

t

op vo

lt

age

120V setting

230V setting

90

190

N/A

/

/

N/A

/

/

/

Search time of total tuning range / N/A Search time of total tuning range

- 20uV ~ 20mV

- 20mV ~ 500mV with step size = 50kH

- 20mV ~ 500mV with step size > 50kHz

RF t 1V/m

RF t D26 to 1mV

N/A

218kHZ

r 3kHz

Frequency drift vs temp.

15KHZ/eC

10KHZ/eC

e

Frequency drift vs temp.

-10qC to 10qC

10qC to 30qC

0.7 / 1000 * operating frequency

g g

g g

IF

45KHZ

r 3kHz

IF

-1.2 +/- 1.5MHz

14 15.5 dBuV

SelectivityIF rejection bandwidthB+

Switching on – 6dB

wave range Sensitivity for 50mW

noise limited sensitivity Image

Dial calibration 5 7% Dial calibration

Stereo On point (Pilot deviation : 6kHz)

15KHZ/

e

C

30

q

to

50

q

C

S9/300kHz

nom.

21 55 21

lim.

19 50 19

nom.

35 28 21 3



68

3dB

FM

19

g

y

(26dB)

rejection

lim.

282416

>

2

.

5

PV/m

dBf

dB dB dB kHzuni

t

P

V

PV/m

dBI

72

MW

P

dB

dB

dB

kHz

unit

P

V

P

dB

I

1-3

1-4

Loudspeake

r

2 X 1
W, 8ohm

GENERAL part:

Passive components

TECHNICAL description:

Power supply Tone Control AF-Amplifier

Active components

&D8227

INDICATORS:

Power stage protection AC – NO; DC - NO; Temperature – YES; Short circuit – NO

Public address No

Headphone type None

Loudspeaker filter, high pass None

Loudspeaker filter, low pass None

Mechanical noise (ISO 1996)

ELECTRICAL DATA:

TONE/EQUALIZER/DBB

Balance control No

Output power or VU-mete

r

No : digits:

Frequency response No : digits:

Low power (battery) No

500mV mVInput sens.: Nom.

Channel difference at 50mW

Hum

(vol.max.-20dB to vol.min.) Limit: 200

nW

Residual noise

(volume minimum) Limit: 260

nW

()

Noise overall (ISO)

mV

mV

mV

Music

p

ower(MPO) / Peak-MPO (PMPO): (acc. to DIN45324

)

OUTPUT POWER:

Mains operation: D=10% 2 X 1W Limit: - 1dB

Battery operation: D=10% 2 X 1W Limit: - 1dB

Line outp.: Nom.

voltage Limit:

for 50mW Limit:

Bandwidth DIN – 3dB at: - (acc. to IEC 60268-15)

Fr

equency response at Vol. ma

x – 20dB

:

Headphone output voltage/power:

Bandwidth FTC

– 1dB at: n.a. (acc. to FTC/16/1/D/432)

Music power (MPO) / Peak MPO (PMPO):

(acc.to DIN45324)

Short term maximum output power: - (acc. to IEC 60268-15)

Long term maximum output power: - (acc. to IEC 60268-15)

High pass crossover frequency: - kHz tolerance:

Hz

Short term maximum output power: - W (acc. to IEC 60268-15)

DBB raise level Disc SBC429 Track 12

LOUDSPEAKER (output):

Low pass crossover frequency: - kHz tolerance:

Hz

Frequency response at Vol.max 20dB:

typ.60Hz to 16kHz (

r

3dB)

Frequency response at: - Hz

kHz

REMARKS:

27 : Measured in Tuner mode; 28: CD or LINE IN mode.

pp

()

Long term maximum output power: - W (acc. to IEC 60268-15)

TECHNICAL SPECIFICATION

TECHNICAL SPECIFICATION

Logic
control

1

Active
components

TC94A77F
G-203

2

Passive
components

3

Servoproces
sor

4

Passive
components

6

7

8

9

Wedge 10

Eccentric 11

Fingerprint 12

Black dot 13

Double
black dot

14

Skew 0.6
deg, 8cm

15

Bad HF
track

16

Heavy
fingerprint

17

Maximum
diameter

18

Thick disc 19

Thin
disc

20

Playback
position

22

23

r Z axis

24

r X or Y
axis

25

Shock resistance: (acc. to AR 13-A6-CD-068)

5 G

5 G

21

Horizontal, Normal position (Set is located on a flat surface, floor)

- Playback of above mentioned tracks possible without track loss or audible defects.

- This unit can playback CD-R or CD-RW discs.

No failure Thin test disc

Vertical
deviation
disc

No failure TNO 1,16 of ABEX TCD-732RA

(VDD +/- 0.5mm)

No audio effect Last TNO of Subchassis 8A

No failure Thick test disc

No audible defect TNO 8 of Subchassis 8A

No track jumps/plops TNO 10 of Subchassis 8A

No failure TNO 9 of Subchassis 8A

No audible defect TNO 1,6 of 0.6deg C, 8cm skew disc

No audible defect TNO 11of

Subchassis 8A

500 Pm 600 Pm

TNO 13, 14 of SBC 444A

(7104 099

24990

)

600 Pm 900 Pm

TNO 7,9 of SBC 444A

(7104 099 24990)

150 Pm 200 Pm TNO 1,24 of 200Pm disc (7104 099

24960

)

Indicators/Display/Keys:

Display: LCD for Track No. display 3 Digit

Keys: Slide switches & tact switches

Playability: (acc. to AHR-82-Gbu-00-4201)

Limit Typical Testdisc

D9258PH

5

Active
components

CD:

TC94A77FG-203

CD:

TC94A77FG-203

Signal processing D/A converter HF-preamplifier

Technical description:

Input Output Motor/control

1-5