Philips-FWC-143-Service-Manual(1)电路原理图.pdf

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1、Version 1.0FWC1433141 785 32460Mini Hi-Fi System-/12/05Published by LX 0804 Service Audio Subject to modification Copyright 2008 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted,

2、 in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.CONTENTSTechnical specification .1-2Service measurement setup.1-3Service aids .1-4Instructions on CD playability .2-1. 2-2Disassembly diagram. .3-1.3-2Block diagram .4-1Wiring diag

3、ram .4-2 CD boardCircuit diagram .5-1 Layout diagram .5-2.5-3Radio boardCircuit diagram .6-1 Layout diagram .6-2Control boardCircuit diagram .7-1Layout diagram .7-2.7-3Power & AMP boardCircuit diagram .8-1 Layout diagram .8-2.8-3Exploded view diagram .9-1Mechanical parts list .9-2Electrical parts li

4、st.10-1.10-2AMPLIFIEROutput power . 2 x 10 W RMSSignal-to-noise ratio. 62 dBA (IEC)Frequency response . 63 16000 Hz, 3 dBImpedance loudspeakers . 8Impedance headphones . 32 1000 CD PLAYERFrequency range . 63 16000 HzSignal-to-noise ratio. 65 dBATUNERFM wave range . 87.5 108 MHzMW wave range . 526.5+

5、0/-20 1606.5+50/-0 kHzTAPE DECKFrequency responseNormal tape (type I).125 8000 Hz (8 dB)Signal-to-noise ratioNormal tape (type I). 35 dBAWo w and flutter . 0.4% DINSPEAKERSBass reflex systemDimensions (w x h x d) . 190 x 292 x 182 (mm)GENERAL INFORMATIONAC Power . 220 230 V / 50 HzDimensions (w x h

6、x d) . 220 x 292 x 285 (mm)Weight (with/without speakers) . approx. 4.9 / 2.3 kgSpecifications and external appearance aresubject to change without notice.TECHNICAL SPECIFICATION1 - 21-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser U

7、PM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Band

8、pass250Hz-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 filter (or at least a high pa

9、ss filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from th

10、e pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP1-4SERVICE AIDSGB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (ESD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potentia

11、l as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.ESDCLASS 1LASER PRODUCTGBSafety regulations require that the set be restored to its originalcondition and that parts which are identical with those specified,be usedSafety components are marked b

12、y the symbol!.Lead freeSet remains closed!NYPlay a CD for at least 10 minutesYplayabilityok ?Nplayabilityok ?add Info for customer“SET OK“check playabilityNYplayabilityok ?check playabilitycheck playabilityreturn setCustomer complaint“CD related problem“fast“ lens cleaning123For flap loaders (= acce

13、ss to CD drive possible)cleaning method 4 is recommendedINSTRUCTIONS ON CD PLAYABILITY2 - 1Exchange CDM1 - 4 For description - see following pages1PLAYABILITY CHECKFor sets which are compatible with CD-RW discsuse CD-RW Printed Audio Disc.7104 099 96611TR 3 (Fingerprint)TR 8 (600 Black dot) maximum

14、at 01:00 playback of these two tracks without audible disturbanceplaying time for: Fingerprint 10secondsBlack dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable timeFor all other sets use CD-DA SBC 444A.4822 397 30245TR 14 (600 Black dot) maximum at 01:15TR 19 (Fingerprint)TR

15、 10 (1000 wedge) playback of all these tracks without audible disturbanceplaying time for: 1000 wedge 10secondsFingerprint 10secondsBlack dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time2CUSTOMER INFORMATIONIt is proposed to add an addendum sheet to the set whichinform

16、s the customer that the set has been checkedcarefully - but no fault was found.The problem was obviously caused by a scratched, dirty orcopy-protected CD. In case problems remain, the customeris requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in theaddend

17、um sheet.The final wording in national language as well as the printingis under responsibility of the Regional Service Organizations.4LIQUID LENS CLEANINGBecause the material of the lens is synthetic and coatedwith a special anti-reflectivity layer, cleaning must be donewith a non-aggressive cleanin

18、g fluid. It is advised to use“Cleaning Solvent The actuator is a very precise mechanical component andmay not be damaged in order to guarantee its full function.Clean the lens gently (dont press too hard) with a soft andclean cotton bud moistened with the special lens cleaner.The direction of cleani

19、ng must be in the way as indicated inthe picture below.Before touching the lens it is advised to clean thesurface of the lens by blowing clean air over it.This to avoid that little particles make scratches onthe lens.INSTRUCTIONS ON CD PLAYABILITY2 - 2SET BLOCK DIAGRAM3 - 1 3 - 1SET WIRING DIAGRAM4

20、- 1 4- 15 - 15 - 1CIRCUIT DIAGRAM - CD BOARDSC7314DGNDOUT1AOUT1BIN1AIN1BREGREOMUTEGNDIN2BIN2AOUT2BOUT2AGNDOPOUT OPIN(-)OPIN(+)OUT3AOUT3BIN3AIN3BVCCVCC1VREFIN4BIN4AOUT4BOUT4AGNDLDLDONRFACABCDVFCVCCEQIN BSTRFGAGNDVCRFCRFRCRFORFMRF1MONDOOR_DETMOODEINKIN2KIN1RMT_INTENCODER_INTOPTIENCODER-INRECINAC_DETST

21、_INMVSSAM_INFM_INMVDDMRSTMTESTMXIMXOCD_PCKMTROPMTR7314_CLK7314_DAT1621_CR1621_WR1621_DAT9258_MUTEAMP_MUTEVSSPVPPVDDOVSSOVREFVORFILTORFILTOLVOLRADFOCSLEDMOTORVDDGNDSLED_SWLDONVSSA1VDDA1BACDFEVCOMISLICEIFINHFREFVSSA2VDDA2CRINCROUTRD_PM_PGNDGNDPLAYSYNCREC-L INREC-R INGNDTAPE+L OUTR OUTTORECPALYRMTAM/FW

22、TUNERSTTUN-RTUN-LGNDST/MO3.3VTU3.3F/AS/M12VGNDST-INST VCCD504 D5031N41481N4148SONYSANYO12 TIME24 TIMER1122K2R1132K2C1261uF/50VC1251uF/50VR1274.7KR1264.7KC121682C122682R546 56RR5551KR5211KQ803B772Q8049014C91447uF/16VC560100uF/16VC522104C52347uF/16VQ502 8050DZ5024V7R9015.6KR9025.6KC923104C921104C92210

23、4C920104C918104C919104C9120.47uF/50VC916272C915272C91310uF/16VC90510uF/50VC9061uF/50VC9071uF/50V1VDD2GND3L4R5IN(R)6OUT(R)7LOUD-R8R49R310R211R112LOUD_L13L414L328CREF27SCL26SDA25D24OUT-L23OUT-R22BOUT(R)_21BIN(R)20BOUT(L)19BIN(L)18OUT(L)17IN(L)16L115L2IC2C90410uF/50VC9091uF/50VC9081uF/50VC90210uF/50VC9

24、0110uF/50VC9111uF/50VC9101uF/50VQ701 A104612CN701Q7049014R7074K7C70110uF/16VR84610KR52310kR90747C917104DZ9019V1C90322uF/16VC556104C555104X5018.4672M16FOC-15RAD-14RAD+13FOC+12MON1110LD98F7C6B5A4D3E21CN803KSM213-CLCM12345678910 11121314161517181920IC802 SC96161 2 3 4 5 6 7 8 9 10 11 12 13 14 15 161718

25、19202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364IC501SC9638Q801B764C804100/16C803104R803 8.2KR505 10KR805 2.7KC805104C8061000uF/16VR804 2.7KR802 8.2KC807104C808104C809332C810332R806 4.7KR807 4.7KR808 22KR80910KC81110uF/16VC812104R8124K7R811 4K7C813100uF/16

26、VC814104C81710uF/50VC81810uF/50VC501222C502222R81315kR81415KR8153K3R8163K3C821680C820680C81910uF/50VC503104C50447uF/16VR506 4k7R507 4K7R508 4K7R509 10KR510 10KR8172.2C815100uF/10VC816104R833 150KR829 10KR828 10KR82710KR826 10KR825 10KR82410KR823 15KR822 15KR821 15KR820 15KR819 68KR818 68KC827221C826

27、221C825221C824221C823220C822220C828221C829221C830221C831221C832221C833221R80110Q8029015C838104C837100uF/16VR83022C7104R831 2.2C840220uF/16VC841104C834104C83647uF/16VC835104R836 120KR849 NCR841 NCC844 104C842 103R835 3K9C845104R83775KR8381MC8461uF/50VR8391KC84747uF/16VC848 103 R840 1KR83422KC509223R5

28、16100KC510 104C51122PC51222PR575 1MX50275KHzC50712PC50812PC413104C50622uF/16VR5031KR50410KD501IN4148R50210KC505103R84210KR84310KQ5079014C843223R51110KR51210KR501GZ16081234567891011121314 1516171819202122232425262728IC801 SA92588AIN7GNE65BIN1VCC2BOUT3GND4AOUTIC803D6208FC85147uF/16VC852104R577 30KR576

29、 30KR561100KD5OPEND5041N4148R92133KR578 33KC526103C525103C524103CN505TO LCDCN901TO AUDIOCN801TO CD-DECKCN504TO DISCC73102C76102R832330C80147uF/16VQ8058050DZ5016V8R81015R519220KD5021RQ5038550Q5049014R86033R58330R57 330R147 10KR855 3k3R856 3k3R9055k6R9065k6R14647KR903 100KR904 100KC703470uF/16VC863104

30、C549104C681 104C860 104C7081000uF/25VC707104C849 100uF/16VC839100uF/16VL51224uHC138470uF/16VL8231608L829 1608L828 1608L8251608L827 1608L830 1608L8071608L822 1608L821 1608L820 1608L819 1608L818 1608L817 1608L816 1608L815 1608L814 1608L813 1608L8011608L8061608L8051608L8021608L8031608L8081608L8091608L8

31、101608D9011N4001R90922C873100pC872100pC871100pC870100p123CN702L6091608123456789CN50212345678910CN50610P12345678CN503L50110UHR56882C53222PD5031N4148Q7028050D7011N4148R7011KR705470ohmDZ7019V1C70247u/16VQ7038050DZ7021N4148R7031KR844470ohmD7027V5C50047/16VR702100KR845100KR52410KR55710KR908180KGND12VMODE

32、KIN2KIN1AMUTESTB-INAUDIO-LCLOSECHGNDOPENT-T+GNDGNDGNDGNDCD5VMGNDRFGNDAGNDAGNDAGNDAGNDRFGNDCD-LCD-RGND_DACLOSEVCRD-PSTB-INCLOSEMODEKIN2KIN1RMTAC-DETST-INCHGNDA-OSCF-OSCRESETTIMECLS-MOPN-MSCL-EQSDA-EQLCD_CELCD_WRLCD_DA9-MUTEAMUTEGND_DCD-PCLS-MOPN-MCD_B+DABCVCCMONLDVCCEFDCABOUT4AOUT4BOUT1AOUT1BCD5VCD5V

33、SP+SP_SL+SL-REC-LREC-RGNDTAPE+TAPE-LTAPE-RGNDECOSTBY5V_CPULCD_CELCD_WRLCD_DARMTKIN1KIN2MODETUN-RTUN-LST-INTUN-VCC12VGNDVCOUT1AOUT4AOUT4BOUT1BMONLDFCBADEVCC9-MUTESLED_SWSL-SL+SP_SP+SCL-EQSDA-EQAUDIO-LAUDIO-RREC-LCD-LTAPE-LCD-RREC-RTAPE-RMODEKIN2KIN1AC-DET5V_CPUSTB-INAMUTE5V_CPUGNDTUN-VCCCD-VCCRESET5V_CPUCD_B+STB-INCD-VCCCD-PTUN-LTUN-RAUDIO-LAUDIO-RAUDIO-RREC-LREC-RTAPE-LTAPE-RSP_SP+SLED_SWSL-SL-RD-PTIME5 - 2 5 - 2LAYOUT DIAGARM - CD BOARDCOMPONENT SIDE VIEW