Philips AZ-3811 Service Manual
MP3/WMA-CD 5W CD Soundmachine
AZ3811
/55/78/61
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
©
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 SW 1121 Service Audio Subject to modification
Version 1.1
3141 785 36371
DEPICTION Pos
Weight (excluding packing and batteries):
xxxKg
SH 190 1
A4
NAME : Mo Lam Kei
8
10 PLAY KEY
11
12 ALBUM KEY +
13 SPEAKER GRILL(L)
14 SOURCE KNOB
15 CASSETTE DOOR
16 USB SOCKET
17 SPEAKER GRILL(R)
1 STOP KEY
2 TUNING KEY -
ALBUM KEY -
3
4 PROG KEY
5
MODE KEY
6 LCD LENS
7
VOLUME KNOB
8 DBB KEY
9
DSC KEY
TUNING KEY +
Description Page
Battery location
8 x 1.5V “D-CELL” (UM1)
R20 or equivalent
CABINET
Dimensions with Boxes (W x H x D):
Dimensions without Boxes (W x H x D):
Weight (including packing):
Remark :
Class No
. xxxKg
FRONT PANEL SPECICFICATION
Material:
Finishing: Spray
Unit in Master carton: N/A
Units in Dealer carton: 1 set
AZ3811
2011-01-11
SH 190 - 1
KT CHECK CMT
Issued Date
1/11/2011
1/11/2011
A4NAME : Mo Lam Kei 8
GENERAL DESCRIPTION
V
97 / 98
/12
/96
55 / 77 / 78
/73
CDSM with Tuner , CD, USB
Aux In, Headphone
LIFETIME : 5 Years
Class Tuner Supply + Amplifier Loudspeak er Boxes
I
II
III
SAFETY requirements
RADIATION / IMMUNITY requirments ( EMC )
CLIMATIC requirements
ALL climates : - 10 Dregree till + 50 Degree
PERFORMANCE CLASSES
POWER SUPPLY
MAINS ( A.C. ) 120/230Vac ± 15% 230 Vac ± 10 % 120V+/-15% 220V-10%,240+10% 99-146V, 196-264Vac
ersion
Voltage Selection Yes No No
Frequency 60 / 50Hz 50 Hz 60 Hz
DC operation / Backup Buffer
Battery type :
XX
Refer to the section of Version Overview
Refer to the section of Version Overview
R20 (UM1 / D-cell) x 6 (9V normal, 6.3V limit)
Recorder
No
50 Hz
USB CD
XX
Yes
60 / 50Hz
POWER CONSUMER
MAINS ( A.C. )
Standby :
( DEMO mode " OFF " ) , NOM. A, INPUT
Maximum :
@ 1/8 Prated , NOM. A, INPUT
ECO Power mode : N/A
Remarks :
Class No
14W
GENERAL PART 1 - GENERAL SPECICFICATI ON
AZ3811
2011-01-11
NAME : Mo Lam Kei
KT CHECK
CMT
8 SH 190 - 4
DC operation / Backup Buffer
Issued Date
1/11/2011
1/11/2011
A4
TECHNIAL DESCRIPTION
2 x 2W matching LOUDSPEAKER of 2 x 8R. One INPUT SOURCE
GENERAL PART
OUTPUT stage Protection : Yes Temperature : YES Shorcircuit : Yes
.
INDICATORS
Standby Mode Indicator : LCD displ ay off
ECO Mode Indiicator : NA
ELECTRICAL DATA
DSC : NA
DBB Yes Hum ( Volume Minimun )
SIS : N/A Residual Noise ( Volume Minium ) 0.06
VAC : N/A
WOOX : N/A
INTERCONNECTS
Input Sensitity (
Tuner FM 67.5KHZ,AM80% Modulation(Limit :-6db) Line Out ( Left / Right )
CD -6 dB track (Audio Disc 1 ,Trk 35
USB
AUX 500mV Digital Coax i al Out
Microphone
±
dB ) rated ouput power at 1 kHz
3
-6 dB track (Copy from Audio Disc 1 ,Trk 35)
-6 dB track (Audio Disc 1 ,Trk 35 Booster O ut
Line Output V oltage ( * 1 )
Subwoofer O ut
Headphone
N.A
N.A
15 mW - 2 dB ,
at R Load = 32 ohm @ max volume, 0dB, 1kHz CD
N.A
N.A
0.5
uW
uW
OUTPUT POWER ( * 1 ) At THD = 10% , 1KHz sinewave
Main Operation
DC Operation : .2.5W, 1 Channels (Lim: -1dB )
Frequency Response : 125Hz - 14KHz
LOUDSPEAKER ( BOXES )
Rated Impedanc e
Left / Right : 8 Ohms at 125Hz to 16KHz
Remarks
( *1 ) Electrical parameters are to be measuremend at specker terminals across 8 Ohm load ( pure resistor )
with rated input signal in AUX mode; with DBB OFF
GENERAL PART 1 - TECH N AICAL SPECICFICATION
Class No
: 2.5W, 1 Channels (Lim: -1dB)
( At Cold Condition with 10% THD )
( At 500mW Output in flat Mode )
AZ3811
2011-01-11
NAME : Mo Lam Kei
KT CHECK
CMT
8 SH 190 - 5
Issued Date
1/11/2011
1/11/2011
A4
TECHNIAL DESCRIPTION
CLOCK PART
Timer Setting : NA
Timer Wakeup Mode : NA
Remarks Time Setting : NA
Volume at Wakeup : NA
No of Timer Settings
Clock Accuracy : NA
INDICATORS
Display Type : LCD
CD PART
Channel Unbalance (250 to 10k Hz) : <= 3dB
Frequency Response(±3dB)
(@ volume max - 20dB and D BB off mode)
Signal to No i s e Ratio(A-weighted) : 62dBA(Lim 57 dBA)
THD (1kHz) : 1.5%(Lim 2.0%)
THD (100 ~10kHz) : 2%( Lim 3.0%)
Channel Separation(1K) : 40dB (Lim. 26dB)
Channel Separation(10K) : 30dB (Lim. 16dB)
CD Shock sens. : 5kg
USB PART
- Refer to Philips USB direct user requirement
spec.
: NA
: 100Hz~10kHz
文档
DBB effect
DBB 8+/- 2 dB at AUX 500mV, 1kHz
CLOCK / CD SPECICFICATI O N
Class No
AZ3811
2011-01-11
NAME : Mo Lam Kei
KT CHECK
CMT
8
Issued Date
1/11/2011
1/11/2011
A4SH 190 - 6
TECHNIAL DESCRIPTION
w
w
w
f
m
GENERAL PART
WAVE RANGE
FM
AM
MW
AERIAL
FM : Telescope
AM/MW : Ferrite
INDICATORS : NA
ELECTRICAL DATA
Refer to version overvie
Refer to version overvie
Refer to version overvie
A.M Nom Limit Unit F.M. Nom
IF
AGC figure of merit
Distortion ( RF 50mV, m=80% )
Modulation Hum
Search tuning sensitivity
Search tuning stop accuracy
RF >= 1V/
RF >= a26 to 1V/m
Search Time
450 ± 3 kHz
30 25 dB
35%
45
Wave Range Noise Limited Sensitivity 26 dB
FM
AM / MW
Nom.
Lim.
Nom.
Lim.
-- 18
-- 22 50
-- 64
-- 72 dBuV/m
Limit Unit
IF
- 3 dB Limiting Point
Distortion ( RF 1mV, Frq Dev.75 kHz )
40 dB 40 dB
dBuV/m48 - 72
+/- 1
0
60 Sec.
dBf
dBf
dBuV/m
Stereo - 46 dB Quieting
FM S/N Ratio(A weighted) Mono input
FM Channel Seprantion -400/1K/5K
Search Tuning Stop Accuracy RF:
Image Rejection
80dBf
Modulation Hum
Search tuning sensitivity
91~120dB
R/F:31~91dBf
Search Time
IF Rejection
24
20
32
28
55
28
24 114 dBuV/m
: 10.7
± 0.3 MHz
: 17 25 dBf
3
5%
48 51 dBf
55
50 dBA
45
21/25/18 18/20/15 dB
24-32 19 - 35 dBf
+/- 10Step
60 Sec.
Large Signal
130dBf
125dBf
120 dBuV/m
dB
dB
Remarks
TUNER SPECICFICATION
Class No
AZ3811
Issued Date
1/11/2011
1/11/2011
2011-01-11
NAME : Mo Lam Kei 8
KT CHECK
SH 190 - 7
CMT
A4
1 、 Disassemble botttom cabinet
and unplug the 2pin cable
2a2b
2
PB
unplug 4pin speaker cable
p
p
1a 1b 1c
disassemble six 3 x 12 PB
screws from the top
screws from the top
cabinet
cabinet
2、 Disassemble front cabinet
disassemble two 3 x 8 PB screws
disassemble two 3 x 8 PB screws
on bottom cabinet
on bottom cabinet
remove the bottom cabinet
and unplug the 2pin cable
between Main BD and power
between Main BD and power
BD
BD
c
disassemble the four 3 x 8
PB screws which connect top
screws which connect top
cabinet and front cabinet
unplug 4pin speaker cable
and 10pin FFC cable
sperate top cabinet and
sperate top cabinet and
front cabinet
ull
3A、 Disassemble Main BD
get out
Disassemble radio BD and CD deck
plug
screws on CD deck and get out CD deck
the radio BD
3-a 3-b 3-c
disassemble the five 2.6 x 8
PB screws on Main BD
3B、
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
Main BD
3-d 3-e
disassemble the two 2.6 x 8 PB
disassemble the two 2.6 x 8 PB
screws on radio BD,un
screws on radio BD,unplug FM ANT
cable
FM ANT
unplug tunning knob and get out
the radio BD
3-f
disassemble the four 2.6 x 8 PWA
screws on CD deck and get out CD deck
3C、 Disassemble CD door
take out CD door spring first
3-g
pull out CD door when goring the CD
door buckle with a screwdriver
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