Philips AZ3811 Manuale utente

Version 1.1

AZ3811

3141 785 36371

MP3/WMA-CD 5W CD Soundmachine /55/78/61

Published by SW 1121 Service Audio Subject to modification

system or transmitted, in any form or by any means, electronic, mechanical, photocopying,

or otherwise without the prior permission of Philips.

CONTENTS

Technical specification and disassemble diagram ...........................1

Service and safety instructions.........................................................2

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

Wiring diagram ..............................................................................4-1

Main+Radio+Rectifier board

Circuit diagram ..................................................................5-1..5-3

Layout diagram..................................................................5-4..5-5

Display board

Circuit diagram .........................................................................6-1

Layout diagram.........................................................................6-2

Exploded view diagram .................................................................7-1

Revision list ...................................................................................8-1

DEPICTION Pos

Description Page

1 STOP KEY

2 TUNING KEY -

MODE KEY

ALBUM KEY -

4 PROG KEY

MODE KEY

6 LCD LENS

DSC KEY

10 PLAY KEY

VOLUME KNOB

8 DBB KEY

TUNING KEY +

13 SPEAKER GRILL(L)

14 SOURCE KNOB

12 ALBUM KEY +

15 CASSETTE DOOR

16 USB SOCKET

17 SPEAKER GRILL(R)

Battery location

8 x 1.5V “D-CELL” (UM1)

R20 or equivalent

Dimensions without Boxes (W x H x D):

Weight (including packing):. xxxKg

CABINET

Dimensions with Boxes (W x H x D): Material:

Finishing: Spray

Unit in Master carton: N/A

Weight (excluding packing and batteries):

xxxKg

Weight

(excluding

packing

and

batteries):

xxxKg

Units in Dealer carton: 1 set

Remark :

FRONT PANEL SPECICFICATION

Class No

AZ3811

Issued Date

1/11/2011

SH 190 - 1

2011-01-11 A4NAME : Mo Lam Kei 8

190

KT CHECK CMT

NAME

Lam

Kei

USB CD

GENERAL DESCRIPTION

CDSM with Tuner , CD, USB

Aux In, Headphone

LIFETIME : 5 Years

Class Tuner Supply + Amplifier Loudspeaker Boxes

Recorder

III

ALL climates : - 10 Dregree till + 50 Degree

RADIATION / IMMUNITY requirments ( EMC )

CLIMATIC requirements

Refer to the section of Version Overview

PERFORMANCE CLASSES

POWER SUPPLY

MAINS ( A.C. ) 120/230Vac ± 15% 230 Vac ± 10 % 120V+/-15% 220V-10%,240+10% 99-146V, 196-264Vac

97 / 98

/12

/96

Refer to the section of Version Overview

SAFETY requirements

55 / 77 / 78

/73

ers

/12

/96

Voltage Selection Yes No No

Frequency 60 / 50Hz 50 Hz 60 Hz

ECO Power mode : N/A

@ 1/8 Prated , NOM. A, INPUT

Class No GENERAL PART 1 - GENERAL SPECICFICATION

1/11/2011

AZ3811

Issued Date

1/11/2011

2011-01-11

CMT

NAME : Mo Lam Kei

KT CHECK 8 SH 190 - 4

Remarks :

14W

DC operation / Backup Buffer R20 (UM1 / D-cell) x 6 (9V normal, 6.3V limit)

Yes

60 / 50Hz

/73

50 Hz

Battery type :

Maximum :

( DEMO mode " OFF " ) , NOM. A, INPUT

Standby :

DC operation / Backup Buffer

POWER CONSUMER MAINS ( A.C. )

N.A

TECHNIAL DESCRIPTION

2 x 2W matching LOUDSPEAKER of 2 x 8R. One INPUT SOURCE

GENERAL PART

N.A

Standby Mode Indicator : LCD display off

ECO Mode Indiicator : NA

ELECTRICAL DATA

DBB Yes Hum ( Volume Minimun )

DSC : NA

OUTPUT stage Protection : Yes Temperature : YES Shorcircuit : Yes

INDICATORS

SIS : N/A Residual Noise ( Volume Minium ) 0.06

0.5

WOOX : N/A

VAC : N/A

Headphone

AUX 500mV Digital Coaxial Out

Subwoofer Out

INTERCONNECTS

Input Sensitity (

dB ) rated ouput power at 1 kHz Line Output Voltage ( *1 )

-6 dB track (Audio Disc 1 ,Trk 35 Booster Out

USB

Tuner FM 67.5KHZ,AM80% Modulation(Limit :-6db) Line Out ( Left / Right )

CD -6 dB track (Audio Disc 1 ,Trk 35

-6 dB track (Copyfrom Audio Disc 1 ,Trk 35) 15 mW - 2 dB ,

at R Load = 32 ohm @ max volume, 0dB, 1kHz CD

Microphone

: 2.5W, 1 Channels (Lim: -1dB) ( At Cold Condition with 10% THD )

OUTPUT POWER ( * 1 ) At THD = 10% , 1KHz sinewave

Main Operation

( At 500mW Output in flat Mode)

LOUDSPEAKER ( BOXES )

DC Operation : .2.5W, 1 Channels (Lim: -1dB)

Frequency Response : 125Hz - 14KHz

with rated input signal in AUX mode; with DBB OFF

Rated Impedance

Left / Right : 8 Ohms at 125Hz to 16KHz

GENERAL PART 1 - TECHNAICAL SPECICFICATION

Remarks

( *1 ) Electrical parameters are to be measuremend at specker terminals across 8 Ohm load ( pure resistor )

1/11/2011

Issued Date

CMT

NAME : Mo Lam Kei

KT CHECK 8 SH 190 - 5

2011-01-11

AZ3811

Class No

Remarks Time Setting : NA

Timer Wakeup Mode : NA

TECHNIAL DESCRIPTION

CLOCK PART

Timer Setting : NA

INDICATORS

No of Timer Settings

CD PART

Display Type : LCD

: NA

Clock Accuracy : NA

Volume at Wakeup : NA

THD (1kHz) : 1.5%(Lim 2.0%)

Channel Unbalance (250 to 10k Hz) : <= 3dB

Frequency Response(±3dB)

(@ volume max - 20dB and DBB off mode) : 100Hz~10kHz

Signal to Noise Ratio(A-weighted) : 62dBA(Lim 57 dBA)

Channel Separation(10K) : 30dB (Lim. 16dB)

CD Shock sens. : 5kg

THD (100 ~10kHz) : 2%(Lim 3.0%)

Channel Separation(1K) : 40dB (Lim. 26dB)

DBB 8+/- 2 dB at AUX 500mV, 1kHz

DBB effect

USB PART

- Refer to Philips USB direct user requirement

spec.

CLOCK / CD SPECICFICATION Issued Date

1/11/2011

Class No

AZ3811

2011-01-11

1/11/2011

A4SH 190 - 6

CMT

NAME : Mo Lam Kei

KT CHECK 8

文档

40 dB 40 dB

Modulation Hum

Search Tuning Stop AccuracyRF:

FM Channel Seprantion -400/1K/5K

21/25/18 18/20/15 dB

50 dBA

Search tuning stop accuracy

TECHNIAL DESCRIPTION

GENERAL PART

FM S/N Ratio(A weighted) Mono input

80dBf

WAVE RANGE

FM Refer to version overvie

MW Refer to version overvie

Refer to version overvie

Limit Unit

AERIAL

FM : Telescope

AM/MW : Ferrite

INDICATORS : NA

± 0.3 MHz

ELECTRICAL DATA

A.M Nom Limit Unit F.M. Nom

450 ± 3 kHz

: 10.7

AGC figure of merit

30 25 dB

- 3 dB Limiting Point

: 17 25 dBf

Stereo - 46 dB Quieting

48 51 dBf

Distortion ( RF 50mV, m=80% )

35%

Distortion ( RF 1mV, Frq Dev.75 kHz )

Modulation Hum

Search tuning sensitivity

dBuV/m48 - 72

Search tuning sensitivity

24-32 19 - 35 dBf

+/- 1

0Step

91~120dB

R/F:31~91dBf

RF >= 1V/

RF >= a26 to 1V/m

+/- 1

Wave Range Noise Limited Sensitivity 26 dB

Image Rejection

IF Rejection

Lim.

-- 22 50

dBf

-- 18

120 dBuV/m

AM / MW Nom.

-- 64

FM Nom.

Lim.

-- 72 dBuV/m

24 114 dBuV/m

dBuV/m

Remarks

TUNER SPECICFICATION

Class No

AZ3811

Issued Date

CMT

NAME : Mo Lam Kei 8

1/11/2011

KT CHECK

SH 190 - 7

2011-01-11

Search Time

60 Sec.

Search Time

60 Sec.

130dBf

125dBf

Large Signal

1a 1b 1c

1 、Disassemble botttom cabinet

remove the bottom cabinet

disassemble six 3 x 12 PB

screws from the top

cabinet disassemble two 3 x 8 PB screws

on bottom cabinet

remove the bottom cabinet

and unplug the 2pin cable

between Main BD and power

screws from the top

cabinet disassemble two 3 x 8 PB screws

on bottom cabinet

and

unplug

the

2pin

cable

between Main BD and power

2、Disassemble front cabinet

disassemble the four 3 x 8

PB screws which connect top

cabinet and front cabinet

unplug 4pin speaker cable

and 10pin FFC cable

erate to

cabinet and

screws w

connec

cabinet and front cabinet

unplug

4pin

speaker

cable

and 10pin FFC cable sperate top cabinet and

front cabinet

ull

3-a 3-b 3-c

3A、Disassemble Main BD

disassemble the five 2.6 x 8

PB screws on Main BD

unplug the 4pin cable,2pin open-close

cable,4pin cable to radio BD and 6pin cable

to CD Deck on Main BD

remove

volumn

knob and

get out

get

out

Main BD

Disassemble radio BD and CD deck

3-d 3-e 3-f

、

Disassemble

radio

and

deck

di bl th f

26 8PWA

disassemble the two 2.6 x 8 PB

screws on radio BD,un

FM ANT

unplug tunning knob and get out

disassemble the four 2.6 x 8 PWA

screws on CD deck and get out CD deck

disassemble the two 2.6 x 8 PB

screws on radio BD,unplug FM ANT

cable unplug tunning knob and get out

the radio BD

screws

deck

and

get

out

deck

the

radio

3-g

3C、Disassemble CD door

take out CD door spring first pull out CD door when goring the CD

door buckle with a screwdriver

2-1

LF Generator

e.g. PM5110

Recorder

Use Universal Test Cassette CrO2 SBC419 4822 397 30069

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

S/N and distortion met

e.g. Sound Technology ST170

DUT

or Universal Test Cassette Fe SBC420 4822 397 30071

LEVEL METER

e.g. Sennheiser UPM550

with FF

filter

S/N and distortion meter

e.g. Sound Technology ST1700B

DUT

Use Audio Signal Disc

(replaces test disc 3)

SBC429 4822 397 30184

Bandpass

250Hz-15kHz

e.g. 7122 707 48001

LF Voltmeter

e.g. PM2534

DUT

S/N and distortion meter

e.g. Sound Technology ST1700B

Frame aerial

e.g. 7122 707 89001

Tuner AM (MW,LW)

To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.

Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).

RF Generator

e.g. PM5326

Ri=50:

Bandpass

250Hz-15kHz

e.g. 7122 707 48001

LF Voltmeter

e.g. PM2534

DUT

RF Generator

e.g. PM5326

S/N and distortion meter

e.g. Sound Technology ST1700B

Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).

Ri=50:

Tuner FM

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