Philips AZ3811 User manual

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
©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.
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
3
5
Description Page
1 STOP KEY
2 TUNING KEY -
MODE KEY
ALBUM KEY -
4 PROG KEY
5
7
9
11
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
1/11/2011
SH 190 - 1
2011-01-11 A4NAME : Mo Lam Kei 8
SH
190
1
A4
KT CHECK CMT
NAME
:
Mo
Lam
Kei
8

USB CD
GENERAL DESCRIPTION
CDSM with Tuner , CD, USB
Aux In, Headphone
LIFETIME : 5 Years
Class Tuner Supply + Amplifier Loudspeaker Boxes
XX
Recorder
XX
II
I
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
Vi
97 / 98
/12
/96
Refer to the section of Version Overview
SAFETY requirements
55 / 77 / 78
/73
V
ers
i
on
97
/
98
/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
A4
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)
55
/
77
/
78
Yes
60 / 50Hz
/73
No
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
N.A
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
uW
WOOX : N/A
uW
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
3
: 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 )
A4
1/11/2011
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
45
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
55
WAVE RANGE
FM Refer to version overvie
w
AM
MW Refer to version overvie
w
Refer to version overvie
w
Limit Unit
AERIAL
FM : Telescope
AM/MW : Ferrite
INDICATORS : NA
± 0.3 MHz
ELECTRICAL DATA
A.M Nom Limit Unit F.M. Nom
IF
450 ± 3 kHz
IF
: 10.7
5%
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 )
3
Modulation Hum
45
Search tuning sensitivity
dBuV/m48 - 72
Search tuning sensitivity
24-32 19 - 35 dBf
+/- 1
0Step
91~120dB
f
R/F:31~91dBf
RF >= 1V/
m
RF >= a26 to 1V/m
+/- 1
0
Wave Range Noise Limited Sensitivity 26 dB
Image Rejection
IF Rejection
Lim.
-- 22 50
dBf
24
55
dBf
-- 18
120 dBuV/m
AM / MW Nom.
-- 64
FM Nom.
32
28
20
Lim.
-- 72 dBuV/m
28
24 114 dBuV/m
dBuV/m
dB
dB
Remarks
TUNER SPECICFICATION
Class No
AZ3811
Issued Date
CMT
NAME : Mo Lam Kei 8
1/11/2011
1/11/2011
A4
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
BD
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
BD
2a
2b
2c
2、Disassemble front cabinet
2
a
2b
2
c
disassemble the four 3 x 8
PB screws which connect top
cabinet and front cabinet
unplug 4pin speaker cable
and 10pin FFC cable
s
p
erate to
p
cabinet and
PB
screws w
hi
c
h
connec
t
t
op
cabinet and front cabinet
unplug
4pin
speaker
cable
and 10pin FFC cable sperate top cabinet and
front cabinet
p
p
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
3B
Disassemble radio BD and CD deck
3-d 3-e 3-f
3B
、
Disassemble
radio
BD
and
CD
deck
di bl th f
26 8PWA
disassemble the two 2.6 x 8 PB
screws on radio BD,un
p
lu
g
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
on
CD
deck
and
get
out
CD
deck
the
radio
BD

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
e.g. Sound Technology ST170
L
R
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
L
R
DUT
CD
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
MEASUREMENT SETUP