Philips-FWM-206-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.1 FWM206 3141 785 33771 Mini Hi-Fi System -/55/77 Published by LX 0918 Service Audio Subject to modification Copyright 2009 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 trans

2、mitted, 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 Block diagram.4-1 W

3、iring diagram .4-2 CD 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 MCU board Circuit diagram .7-1 Layout diagram.7-2.7-3 Key board Layout diagram.8-2.8-3 Exploded view diagram .9-1 Mechanical parts list.9-2 Electrical parts list.10-1.10-

4、2 RadioFans.CN 收音机爱 好者资料库 SPEAKERS 2-way Bass Reflex System Impedance. 8 Woofer .1x100 mm Tweeter. 1x50 mm Dimensions (w x h x d).207 x 310 x 186 (mm) Weight. 2.6 kg (each) GENERAL AC Power.110 127 / 220 240V; . 50/60 Hz Switchable Power consumption Active. 50W Set dimensions (w x h x d) . .220 x 29

5、2 x 285 (mm) Weight (main unit) . 3.83 kg Gross weight (including packaging) . 10.4 kg Specifications and external appearance are subject to change without notice. AMPLIFIER 1 KHz (Low channel - both channels driven) . 20W per channel (8 ) 10 KHz (High channel - both channels driven) . 20W per chann

6、el (8 ) Total output power. 80W Signal-to-noise ratio. 62 dBA (IEC) Frequency response .63 16000 Hz, 3 dB CD PLAYER Frequency range. 63 16000 Hz Signal-to-noise ratio.65 dBA TUNER FM wave range .87.5 108 MHz MW (AM) wave range . 530 1700 kHz TECHNICAL SPECIFICATION 1 - 2 RadioFans.CN 收音机爱 好者资料库 1-3

7、LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 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

8、/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio 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 (

9、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 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

10、DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology 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

11、-conductors are susceptible to electrostatic discharges (ESD). Careless 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 potenti

12、al. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set 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 playabil

13、ity ok ? N playability ok ? add Info for customer SET OK check playability 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

14、 ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see following 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 distur

15、bance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 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 a

16、udible disturbance playing time for: 1000 wedge10seconds Fingerprint10seconds 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 caref

17、ully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain, the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national langu

18、age as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleanin

19、g Solvent The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function. Clean the lens gently (dont press too hard) with a soft and clean cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicate

20、d in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 SET DISASSEMBLEY DIAGRAM 3 - 13 - 1 CD DOOR pull out Loosen 6 screws PT31

21、2 and 2 screws PM3x8 a.Plug in the 220V AC power cord , set the menu to CD function, and press DISC button , Press OPEN/CLOSEto open CD door. b.Pull out CD door c.Press OPEN/CLOSE button to close the CD tray, power off the mainset and unplug the AC power cord. Pull the volumn buttom out. 4) Loosen 6

22、 screws PT312 . 5) Loosen 2 screws PA3X18 to remove CD tray. 6) Loosen 13 screws T310 and 2 screws PT3x5 to remove CD board. SET BLOCK DIAGRAM 4 - 1 4 - 1 SET WIRING DIAGRAM 4 - 24- 2 5 - 15 - 1 CIRCUIT DIAGRAM - CD BOARD LAYOUT DIAGARM - CD BOARDCD BOARD COMPONENT SIDE VIEW 5 - 25 - 2 LAYOUT DIAGAR

23、M - CD BOARDCD BOARD COPPER SIDE VIEW 5 - 35 - 3 CIRCUIT DIAGRAM - AMP BOARD 6 - 16 - 1 LAYOUT DIAGARM - AMP BOARDAMP BOARD COMPONENT SIDE VIEW 6 - 2 6 - 2 LAYOUT DIAGARM - AMP BOARDAMP BOARD COPPER SIDE VIEW 6 -36 - 3 CIRCUIT DIAGRAM - MCU BOARD 7 - 17 - 1 LAYOUT DIAGARM - MCU BOARD COMPONENT SIDE

24、VIEW 7 - 27 - 2 LAYOUT DIAGARM - MCU BOARD COPPER SIDE VIEW 7 - 3 7 - 3 LAYOUT DIAGRAM - KEY BOARD 8 - 18 - 1 EXPLODED VIEW DIAGRAM 9 - 19 - 1 9 - 1 MECHANICAL PARTSLIST 11A996500038820CD LOADER WXD-8210 (COMPLETED) 14996510020738PRESET+ BUTTON 15996510020744PRESET- BUTTON 16996510020747STOP BUTTON

25、17996510020755PLAY BUTTON 21996510020756BAND BUTTON 22996510020754TUNING BUTTON 23996510020739MAX BUTTON 24996510020746POWER BUTTON 25996510020745OPEN/CLOSE BUTTON 26996510020758F.FWD BUTTON 27996510020742REW BUTTON 28996510020751MAX SOUND BUTTON 29996510020752JAZZ/ROCK BUTTON 30996510020743TEC/OPT

26、BUTTON 37996500038819CD MECHANISM SANYO DA11VF 40996510020748CD DOOR 41! 996510018238TRANS. UL EML662286MT 45994000004736SLIDE SWITCH (SSV-12-8700S) F501! 994000004782FUSE 50T D5X20 1.6A 250V(S.B.) 1A996510007662UL-APP 110V 3A PLUG CONVERTOR 1C! 996510010129AC CORD BAXI L=1650mm (10A) EP (only for -

27、/55) 1D996510003947FM ANT L1500 1E996510020749CABLE16P FT FLEX ECTOL120P1.0 ACCESSORIES SPK1996510018212SINGLE SPEAKER BOX (L) SPK2996510020753SINGLE SPK BOX (R) 12996510018213REMOTE CONTROL 1B996510020741AUX WIRE 400mmW/3.5 STEREO BLK Note:Only these parts mentioned in the list are normal service p

28、arts. 1C! 996510025189IRAM AC CORD LINE (only for -/77) ELECTRICAL PARTSLIST CD BOARD ASSEMBLY CF101994000005187DISCRIMINATOR J10.7C CF102996510015911FLT10.7MS3 CAIQIN (RED) CF103996500038852FILTER FM450AL (DOUBLE) CF104996500038844FM BPF (BP87108B) IC102996510015912IC LV23010V SSOP36 IC201996510013

29、420IC 7314 (SOP 28P)(ANGUS)(EP) IC801996510002298IC LC78692W (CD DSP) SQFP80 IC802996500038842IC LA6548NH (4 CH DRIVER) Q602996510010554TR NPN KTD882 (TO-126) (EP) Q606994000004004CHIP TR NPN 8050C Q609994000004005CHIP TR PNP 8550D Q801994000003973CHIP TR MMBT9015C Q802996500038840TR PNP 2SB764E-SSH

30、-AE(TP) T101996510015908AM OSC RED 10mm 2928 T102996510015907AM IFT YEL 10mm A49 TC101996510020759CAP TRIMMER CTC-10PF N450 X101996510018248CRYSTAL 7.2MHz (HC49U) X801996510002297C RESONR QZTT16.93MX 3PINS MCU BOARD ASSEMBLY IC601996510013449IC FT24C02 (EEPROM) (SOP8)(EP) IC602994000004737IC D6208 (

31、MOTOR DRIVER) SOT8IC602994000004737IC D6208 (MOTOR DRIVER) SOT8 IC603996510020757IC LC877696B-5AE4 QFP80(SANYO) IR601996510002274SENSOR AT136BV3 (36KHz) (3.3V) LED601996510002275LED WHITE D5mm (DL5NWCH) Q601994000004009TR NPN 8050C Q603994000004005CHIP TR PNP 8550D SW601994000004792TACT SW 6X6MM H4.

32、3 VR601996510018244ENCODER:EC121102X2B-HA1-137 X601996500038823CRYSTAL 8MHz(HC-49US) X602996500038822CRYSTAL JF32.768kHz JU2x6 10 - 1 ELECTRICAL PARTSLIST AMP BOARD ASSEMBLY F502! 996510002287FUSE T6.3A 250V 5x20 IC501996510009066IC TDA8948J (DBS17P)(PHILIPS) IC503996510002294IC D4558 (SOP8) Q501994

33、000004064POWER TR PNP KTA1046/P Q502996510002289NFET BUK7535-55A Q503994000004004CHIP TR NPN 8050C Q505994000003972CHIP TR MMBT9014C Q506994000004005CHIP TR PNP 8550D KEY BOARD ASSEMBLY SW617994000004792TACT SW 6X6MM H4.3 LINE IN BOARD ASSEMBLY J602996510002273ST PHONES JACK 3.5mm TC38 AMP EXPORT BOARD ASSEMBLY J501996510006430AUX RCA JACK (RCA-207)(RED/WHT SP501996510002296SPEAKER TERMINAL 8POSITION Note:Only these parts mentioned in the list are normal service parts. 10 - 2