Philips-FWM-3500-Service-Manual(1) 电路图 维修手册.pdf
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1、all TABLE OF CONTENTS Page Technical specification .1-13 Safety instruction.2-1 ESD protection. .2-2 Set Block diagram . .3-1 Set Wiring diagram. .4-1 Disassembly diagram. 5-1 Main board Circuit diagram.6-1 Layout diagram.6-2.6-3 board Circuit diagram.7-1 Layout diagram.7-2.7-4 Mechanical Exploded v
2、iew. . .11-1 Copyright 2010 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
3、permission of Philips. Published by LX 1 Service AudioPrinted in The Netherlands Subject to modifi cation Version 1. Seu Mini Hi-Fi System FWM3500/ Key DSC setting in Jazee mode with DBB OFF IS off and OSM unless specified otherwise Measuremend output power only for AUX model and CD model of used au
4、dio analyzer equipment. One channel signal input ( L or R ), two channel load ( or ) 27-009-2011 GENERAL PART 1 - TECHNAICAL SPECICFICATION Issued Date 1 Class No FWM3000/3500/4000/4500All Ver 3 2 4A4 - 09 1 HS01 : ETAD NAME : MZ.FENG KTCHECK 10 1 - 5 +18dB 0 1 Tabel 1b ( Tolerance 3dB ) -0.5 Tabel
5、1b ( Tolerance 3dB ) SAMBA DSC Modes with DBB 2 ON SAMBA +11dB 0 SAMBA +5.5dB 0 -3 +0.3dB DSC Modes with DBB Off +0.5dB 0 -3 Tabel 1b ( Tolerance 3dB ) 0.5dB1 kHz 0 dB0.5db 10 kHz -0.5 dB + 2dB +3dB + 1dB 1 kHz +0dB +1dB +1dB +2 dB +14 dB + 17.0 dB + 20.0 dB + 18.0 dB +1 dB Frequency DSC Modes with
6、DBB 3 ON JAZZPOPTECHNOOPTIMAL 1 kHz +0 dB +1dB +1 dB +1 dB 60 Hz Bd5 . 0 - Bd 1 + Bd 5 . 1-zHk01 Frequency JAZZPOPTECHNO + 14.0 dB + 15.0 dBBd 0 . 1 1 + Bd8+zH 0 6 Inject sine wave 2V to AUX-IN socket with frequencies indicated in Table 1. OPTIMAL Inject sine wave 2V at 1 KHz to L/R channels of AUX-
7、IN socket. Set DSC to JAZZ(Flat) mode and switch off DBB. Max off Refence level for DSCs without DBB on=500mW. Refence level for DSCS with DBB on=1.7V at the speaker terminal . AUDIO SIGNAL PROCESSING MP3-USB Mini Hi Fi System with Digital Tuner ,Class AB Power Amplifier 1 ) DSC ( Digital Sound Cont
8、rol ) Select AUX as input source with the following set conditions: Frequency JAZZPOPROCKJUNGLE SAMBA -1.5 dB -0.6dB +1 dB -0.5 dB 60 Hz -1.8 dB + 3 dB + 6dB 1 dB 10 kHz Frequency JAZZPOPTECHNOOPTIMAL DSC Modes with DBB 1 ON +1 dB 60 Hz+3 dB +8dB + 8.5dB 1 kHz 0 dB +1 dB 1 dB -0.5dB 10 kHz-1.5 dB +-
9、0.6dB+1dB Tabel 1a ( Tolerance 3dB ) 5.5 dB 1 GENERAL PART 1 - GENERAL SPECICFICATION CHECK Class No FWM3000/35000/4000/4500All Ver 2 27-009-2011 : ETAD NAME : MZ.FENG DATE:25/08/071010SH 190 - 5 KT Issued Date A4 3 1 - 6 10 kHz2V- 0.5 dB Note : The above specs also apply to right channel. NO SIFFO
10、SI -+ 3.0 dB-7.0 dB 2V-0- +2.0 dB-17.0 dB 1 kHz+ 3.5 dB-0 dB 2V-Bd 0 . 1 -zH 0 6 AUDIO SIGNAL PROCESSING MP3 - USB Mini Hi Fi System with Digital Tuner , 3 CDC-MP3 for FWM4000/4500. 1CDCfor FWM3000/3500 FREQ INPUT LEVEL 3 ) IS ( Incredible Sound ) Select AUX as input source. Inject sine wave 2V at 1
11、kHz to AUX-IN socket, one channel at a time (input level 500mV for /37,2V for /55 ). Right channel reference to left channel. LEFTRIGHT OUTPUT LEVEL Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lappare
12、cchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The l
13、eakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukitu
14、ksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Caution: These servicing instructions are for use by qualified service personnel only. To reduce the risk
15、of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. 2-1 When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?be?received. 2.1 ESD PROTECTION
16、PREPARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susceptible?to?external?static?electrocity. Although?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?replacement, its?life?might?be?shortened.?When?replacing,?use?a?conductive?mat,
17、?soldering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?static?electricity. And?also,?the?LSI?and?IC?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?for?body. Conductive?mat The?ground?resistance between?the?ground?line and?the
18、?ground?is?less?than?10 1M 2-2 SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC capacitor between a knomn g
19、ood earth ground (water pipe, conduit, etc.) and all exposed metal parts of cabinet (antennas, handle bracket, metal cabinet screwheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test must be conducted with the
20、 AC switch on and then repeated with the AC switch off. The AC voltage indicated by the meter may not exceed 0.3V.A reading exceeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER power plug reversed. NEVER
21、RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION. READING SHOULD NOT EXCEED 0.3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more sensitivity) Good earth grou
22、nd such as a water pipe, conduit, etc. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
23、 persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. 2-3 BLOCK DIAGRAM 3-13-1 CD DOOR MOTORCD BoardLCD Board LCD DRIVER ET8862 RC SENS
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