Philips-FWM-593-Service-Manual(1) 电路图 维修手册.pdf
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1、Version 1.0 FWM593/55/BK 3141 785 32800 MP3 Mini Hi-Fi System Published by SL 0820 Service Audio Subject to modification Copyright 2008 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 tra
2、nsmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CONTENTS Technical specification .1-2 Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1.2-2 Disassembly diagram. .3-1.3-2 Block diagram
3、.4-1 Wiring diagram .4-2 Main board Circuit diagram .5-1.5-2 Layout diagram.5-3.5-4 AMP board Circuit diagram .6-1 Layout diagram.6-2.6-3 Front board Circuit diagram .7-1 Layout diagram.7-2.7-3 MCU board Circuit diagram .8-1 Layout diagram.8-2.8-3 CD Board Circuit diagram. .9-1 Layout diagram.9-2.9-
4、3 Exploded view diagram .10-1 Mechanical parts list.10-2 Electrical parts list.11-1.11-2 RadioFans.CN 收音机爱 好者资料库 AMPLIFIER RMS output power 1KHz (Low channel-both channels driven) . . 100 W per channel 10KHz (High channel-both channels driven). . 100 W per channel Total output power.580 W Signal-to-
5、noise ratio. 67 dB A (IEC) Frequency response . 60 16000 Hz Input sensitivity AUX . 1500mV/2000mV Output Speakers . 3 (1) (3 ,1 kHz, 10% THD) CD/MP3-CD PLAYER Number of programmable tracks . 40 Frequency response .60 16000 Hz -3dB Signal-to-noise ratio. 75 dB A Channel separation. 50 dB (1 kHz) Tota
6、l harmonic distortion. 1.5% MPEG 1 Layer 3 (MP3-CD) . MPEG AUDIO MP3-CD bit rate . 32-256 kbps (128 kbps advised) Sampling frequencies .32, 44.1, 48 kHz TUNER FM wave range .87.5 108 MHz AM wave range (9 kHz) .531 1602 kHz AM wave range (10 kHz).530 1700 kHz Tuning grid .9/10 kHz Number of presets .
7、 40 Antenna FM. 75 wire AM. Loop antenna USB PLAYER USB . 12Mb/s, V1.1 . support MP3 and WMA files Number of albums/folders .maximum 99 Number of tracks/titles. maximum 999 SPEAKERS System 2-way; double port bass reflex Impedance. 3 Woofer .2 x 5.25” Tweeter.2 x 1.75” Dimensions (w x h x d) .225 x 4
8、30 x 275 (mm) Weight. 4.928 kg each SUBWOOFER Impedance. 6 Subwoofer driver .8” Subwoofer output power .180 W Dimensions (w x h x d)274 x 430 x 342.3 (mm) Weight. 6.747 kg GENERAL Material/finish .Polystyrene/Metal AC Power.110 127 / 220 240 V; .50/60 Hz, Switchable Power Consumption Active.130 W St
9、andby . 20 W Dimensions (w x h x d) .265 x 345 x 382 (mm) Weight (without speakers) . 8.505 kg Specifications and external appearance are subject to change without notice. TECHNICAL SPECIFICATION 1 - 2 RadioFans.CN 收音机爱 好者资料库 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC4
10、19 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 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 A
11、udio 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 b
12、e carried out in a Faradays 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 Techn
13、ology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP RadioFans.CN 收音机爱 好者资料库 1-4 SERVICE AIDS GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careles
14、s handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the s
15、et be restored to its original condition and that parts which are identical with those specified, be used Safety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playabi
16、lity N Y playability ok ? check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see follo
17、wing pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 0
18、1:10 jump forward/backward (search) within a reasonable time For all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge10seconds Fingerprint10
19、seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a s
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