Philips-FWC-185-Service-Manual电路原理图.pdf

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1、Version 1.0FWC185For /77/79/98 version 3141 785 31230Mini SystemPublished by YB 0628 Service Audio Printed in The Netherlands Subject to modification Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored

2、in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Handling chip components . 1-1Leadfree and safety information . 1-2Technical specification . 2-1Service tools . 1-1Service measurement setup . 2

3、-2Connections and controls . 3-1.3-3Disassembly diagram . 4-1.4-3Wiring diagram . 5-1Display boardcircuit diagram . 6-1layout diagram . 6-2CD boardcircuit diagram. . 7-1layout diagram . 7-2Main boardcircuit diagram . 8-1layout diagram . 8-2Exploded view diagram . 10-1Mechanical partslist . 10-2Elect

4、rical partslist . 11-1.11-2TABLE OF CONTENTSPower boardcircuit diagram . 9-1layout diagram . 9-11 - 1HANDLING CHIP COMPONENTS1 - 22 - 1SPECIFICATIONSGENERAL:Mains voltage : 240V Mains frequency : 50 HzPower consumption : 45 dBIF rejection : 50 dBImage rejection : 20 dBDistortion : 22 dBMWTuning rang

5、e : 531 1602kHzGrid : 9 kHzIF Frequency : 465 kHz 5 kHzAerial input : Bar antennaSensitivity at 26sb S/N : 22 dBIF rejection : 45 dBImage rejection : 28 dBDistortion : 42 dB with type 1 tapeCOMPACT DISC:Number of programming track : 30Frequency responseWithin 3 dB : 30 Hz 16 kHzSignal/Noise ratio :

6、76 dB/A-weightedDistortion at 1 kHz : 25 dB2 - 2SERVICE MEASUREMENTBandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BTuner FWUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilott

7、one (19kHz, 38kHz).Ri=50Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage.Use a bandpass f

8、ilter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTCD RECORDERUse Audio Signal Disc SBC429 4822 397 30184(replaces test disc 3)Use Univ

9、ersal Test Cassette Fe SBC420 4822 397 30071LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTLF Generator e.g. PM5110Ri=503 - 1CONNECTION AND CONTROLS1 52 3 4 6 9 087*( ) $rases a CD programTape deck keysRECORD.starts recording.starts playback/

10、.fast rewinds/winds a tape70.stops playback;.opens the tape holder.interrupts playback orrecordingTape deck#FUNCTION:TUNER,TAPE,CDselects CD,tape or radio source of sound$PROGRAMprograms tracks and reviews the program%n3.5 mm headphone socketHelpful hints: Adjust the volume to a moderate levelbefore

11、 you plug in the headphones.Connecting headphones will switch off thespeakers.starts or pauses CD playback&DISC: 1/ 2/ 3selects a disc tray for playback*VOLUME 3,4adjusts the volume level(POWERswitches the system on or to standbymode.)REMOTE SENSORsensor for the infrared remote controlHelpful hints:

12、Always point the remotecontrol towards this sensor.FM ST.indicatorPower indicator3 - 2CONNECTION AND CONTROLSRemote control1POWER ONswitches the system on or to standbymode2DIGITS 0 - +10CD:selects a track number3REPEAT selects repeat modes 4starts or pauses CD playback5DISC DISC 1/DISC 2/DISC 3sele

13、cts a disc tray for playbackDISC CHANGEchanges disc trays6VOLUME3,4adjusts the volume level7STOPstops CD playback erase a CD program84 /skips or searches CD tracks backwards/forwards9PROGRAMprograms tracks and reviews the program0OPEN/CLOSEpress to open/closes the disc tray102 3 4 5 69 8 7Press the

14、clip of the black terminal and fullyinsert the stripped portion of the black (orunmarked) speaker cable into the socket,thenrelease the clip.BFM antenna1Extend the wire antenna and movethe antennain different positions for optimal reception (as farawayas possible from the TV, VCR or otherradiation s

15、ources).2Fix the antennas end to the wall.Rear connections Warning:Never make or change connections withthe power supply switched on.Speakers connectionUse the supplied speakers only. Using otherspeakers can damage the set or the soundquality will be negatively affected.Connect the speaker wires to

16、the SPEAKERSterminals,right speaker to “R” and left speaker to“L”,red (labelled red) wire to “+” and black(labelled black) wire to “-”.RedBlack+-Press the clip of the red terminal and fully insertthe stripped portion of the coloured (ormarked) speaker cable into the socket,thenACpower cordFM wire an

17、tennaSpeaker(right)Speaker(left)12RedBlack+-xx3 - 3CONNECTION AND CONTROLSFor more information onoperation instruction please visit Philips Audio internet site : http:/Press the clip of the black terminal and fullyinsert the stripped portion of the black (orunmarked) speaker cable into the socket,th

18、enrelease the clip.BFM antenna1Extend the wire antenna and movethe antennain different positions for optimal reception (as farawayas possible from the TV, VCR or otherradiation sources).2Fix the antennas end to the wall.Rear connections Warning:Never make or change connections withthe power supply s

19、witched on.Speakers connectionUse the supplied speakers only. Using otherspeakers can damage the set or the soundquality will be negatively affected.Connect the speaker wires to the SPEAKERSterminals,right speaker to “R” and left speaker to“L”,red (labelled red) wire to “+” and black(labelled black)

20、 wire to “-”.RedBlack+-Press the clip of the red terminal and fully insertthe stripped portion of the coloured (ormarked) speaker cable into the socket,thenACpower cordFM wire antennaSpeaker(right)Speaker(left)12RedBlack+-Using ACpowerMake sure all connections havebeen madebefore switching on the po

21、wer supply.Connect the power cable supplied toACand to the wall socket.This switches onthe power supply.When the system is switched to standby, it is stillconsuming some power. Todisconnect thesystem from the power supply completely,removethe power plug from the wallsocket.The type plate is located

22、on the rear of theset.Inserting batteries into theremote controlInsert two batteries type R06 or AA into theremote control with the correct polarity asindicated bythe “+“ and “-“ symbols insidethe battery compartment.CAUTION!Removebatteries if they areexhausted or will not be used for along time.Do

23、not use old and new or differenttypes of batteries in combination. Batteries contain chemicalsubstances,so they should be disposedoff properly.123xx4 - 1DISASSEMBLY DIAGRAMSA1A2A1A2A. Remove top & rear cabinetA1: Remove screws T3x10 (3pcs)A2: Remove screws M3x12 (4pcs)A3A4A3: Remove screws M3x10 (12

24、pcs)A4: Remove screws M3x16 (2pcs)C1C2C. Remove left & right side screwsC1: Remove screws M3x12 & M3x10 (1pcs)C1: Remove screws M3x12 & M3x10 (1pcs)xx4 - 2DISASSEMBLY DIAGRAMSD2D2. Remove the front CD changerD2: Remove screws M3x10 (2pcs)E1E2E. Remove the CD board E1: Remove screws T3x8 (1pcs)E2: Re

25、move screws M3x10 (3pcs)F2F3F1F. Remove the Main PCB and mounting bracketF1: Remove screws M3x12 (3pcs)F2: Remove screws M3x10 (5pcs)F3: Remove screws M3x10 (6pcs)G1G2G3G. Remove the Display PCB, Volume PCBand metal plateG1: Remove screws M3x10 (9pcs)G2: Remove screws M3x10 (3pcs)G3: Remove screws M3x8 (5pcs)D1D1. Remove the CD Door