Philips-FWM-998-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.0 FWM998 3141 785 35430 Mini Hi-Fi System -/55/BK Published by LX 1030 Service Audio Subject to modification 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 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 Version variation .1-2 Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1.2-2 Block diagram .3-1 Wir

3、ing diagram .4-1 Disassembly diagram. .5-1.5-2 Main board Circuit diagram .6-1 Layout diagram .6-2.6-3 Display board Circuit diagram .7-1.7-2 Layout diagram .7-3.7-4 USB/SD board Circuit diagram .8-1 Layout diagram .8-2 AMP Board Circuit diagram. .9-1.9-2 Layout diagram .9-3.9-4 CD board Circuit dia

4、gram .10-1 Layout diagram .10-2.10-3 MCU Board Circuit diagram. .11-1 Layout diagram .11-2.11-3 Exploded view diagram .12-1 RadioFans.CN 收音机爱 好者资料库 Sound Output Power: 14000W PMPO Total Sound Power (RMS): 1300 W Sound Enhancement: MAX Sound, Dynamic Bass Boost 3 steps, Incredible Surround, Digital S

5、ound Control 4 modes, Virtual Ambience Control Loudspeakers Main Speaker: Bass Reflex Speaker System, 2 way, 2 tweeter Subwoofer type: Passive Subwoofer driver: 10 woofer Number of Loudspeakers: 6 Audio Playback Loader Type: 3 CD Carousel Number of Discs: 3 Playback Media: CD, CD-R, CD-RW, MP3-CD, W

6、MA-CD, SD Card, USB flash drive Disc Playback Modes: 40-Track Programmable, Repeat/one/disk/program, Shuffle Play USB Direct / SD Modes: Fast Backward/Fast Forward, Play/Pause, Previous/Next, Repeat, Shuffle Audio Recording Recording Media: USB device, SD/MMC card USB recording sources: CD, Tuner, A

7、ux, Microphone in, SD Card SD card recording sources: Aux, CD, Microphone in, Tuner, USB device USB / SD card recording modes: Delete, Instant record, Progammed tracks, Schedule radio program, Single disc, Single track Tuner/Reception/Transmission Auto digital tuning Station presets: 40 Tuner Bands:

8、 FM, MW Tuner Enhancements: Auto Store, Easy Set (Plug & Play) Connectivity Audio Connections: RCA Aux in, 3.5mm stereo line in -MP3 link USB: USB host Microphone: Dual Microphone sockets Other connections: FM Antenna, MW Antenna Convenience Alarms: CD Alarm, Radio Alarm, USB alarm, Sleep timer Cloc

9、k: On main display Display Type: FTD Karaoke: MIC volume, Echo control Accessories Remote control: 36-key with 2xAAA batteries User Manual: Spanish, B-Portuguese Guarantee booklet: Global version Included accessories: FM/MW Antenna, Batteries for remote control, *Flat pin adaptor Quick start guide:

10、Spanish, B-Portuguese Cables: MP3 Line in cable Dimensions Set dimensions (W x H x D): 265 x 359 x 353 mm Main speaker dimensions (W x H x D): 263 x 447 x 360 mm Subwoofer dimensions (W x H x D): 337 x 491 x 360 mm Surround Speaker dimensions (W x H x D): 208 x 359 x 301 mm Weight incl. Packaging: 5

11、1.57 kg Packaging dimensions (W x H x D): 1085 x 562 x 786 mm Power Power supply: 100-240VAC, 50/60Hz TECHNICAL SPECIFICATION 1 - 2 Type /Versions: Features Board in used: FWM998 Service policy MAIN BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /55/00 89/39/KB/ Feature di

12、ffrence RDS VOLTAGE SELECTOR ECO STANDBY - DARK Type /Versions: FWM998 /55/00/77 89/39/KB/ VERSION VARIATION AMP BOARD 49/ C/M C/M C/M C/M C/M C C/M C/M C/M C/M C/M C/M 49/ DISPLAY BOARD CD BOARD MCU BOARD USB BOARD SD BOARDC/MC/M RadioFans.CN 收音机爱 好者资料库 1-3 LF Generator e.g. PM5110 Recorder Use Uni

13、versal 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/N and distortion meter e.g. Sound Techno

14、logy 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 (MW,LW) To avoid atmospheric interference

15、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 DUT RF Generator e.g. PM5326 S/N and dist

16、ortion 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-conductors are susceptible to electrosta

17、tic 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 potential. ESD CLASS 1 LASER PRODUCT GB Safety r

18、egulations 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 playability ok ? N playability ok ? add Info for

19、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 ON CD PLAYABILITY 2 - 1 Exchange CDM 1-

20、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 disturbance playing time for: Fingerprint10seco

21、nds 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 audible disturbance playing time for: 1000

22、 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 carefully - but no fault was found. The proble

23、m 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 language as well as the printing is under resp

24、onsibility 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 “Cleaning Solvent The actuator is a very precise

25、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 indicated in the picture below. Before touching t

26、he 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 BLOCK DIAGRAM 3-13-1 CD SERVO BU9543 MLC3895 144pin QFP INPUT RC5/RC6 CODE VFD PT6315& KEY PART INPUT SENSOR 16M S

27、DRAM 8M SERIAL FALSH SST29VF080B PICK UP MOTOR ADC WM8782 3CDC DRIVER IC TDA7073A MUX 74LVC157 AUX TUENR PACK MICRO PHONE USB/SD MOTOR DRIVER BA5826 IIC MUL-L/R IIC PCM BCK,LRCK ,DATE PCM CD L/R TUNER L/R CONTROL DATA CD PCM BCK,LRCK, DATE FUNCTION IC TDA7468D 3CD LOADER RL RR TDA8954 MAIN L/R TDA89

28、54 FR SUB/L TDA8954 SUB/R FL 2*250W 2*150W 2*250W KEY CONTROL BOARD SOUND KEY CONTROL BOARD VOLUME CONTROL BOARD VFD BOARD MCU BOARD CD BOARD AMP BOARD MAIN BOARD CLOSE/OPEN-MOTOR BOARD MOTOR BOARD POWER SUPPLY POWER CONNECT WIRING DIAGRAM 4-14-1 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

29、 ? ? ? ? ? ? ? ? ? ? ? CIRCUIT DIAGRAM - MAIN BOARD 6-16-1 PCB LAYOUT - MAIN BOARD TOP SIDE 6-26-2 PCB LAYOUT - MAIN BOARD BOTTOM SIDE 6-36-3 CIRCUIT DIAGRAM - DISPLAY BOARD PART1 7-17-1 CIRCUIT DIAGRAM - DISPLAY BOARD PART2 7-27-2 PCB LAYOUT - DISPLAY BOARD TOP SIDE 7-37-3 PCB LAYOUT - DISPLAY BOAR

30、D BOTTOM SIDE 7-47-4 CIRCUIT DIAGRAM - USB/SD BOARD 8-18-1 PCB LAYOUT - USB BOARD PCB LAYOUT - SD BOARD 8-28-2 CIRCUIT DIAGRAM - AMP BOARD 9-19-1 RL-CH RR-CH L-SUB FRONT-R TO MAIN PBTO SMPS PB 250W 150W 150W 250W + - + - RR+ RR- RL+ RL- + - + - + - + - SUB+ SUB- SUB+ SUB- 30HZand 120HZ -3DB30HZand 1

31、20HZ -3DB R-SUB 250W FRONT-R 250W Noise NoiseNoise Noise Frequency Response Noise L13100MHZ 80R + C26 470UF/50V R7 30K R8 30K + C58 3300UF/50V + C59 3300UF/50V C64 100N C65 100N R85 10R R86 10R L8 100MHZ 80R R90 10R + C197 470UF/50V R91 10R + C198 470UF/50V + C199 470UF/50V L5 100MHZ 80R R99 10R + C

32、232 470UF/50V R108 10R + C233 470UF/50V + C50 0.47UF/16V R15 8K2 C51 100N C52 100N C53 100P R16 18K + C54 10UF/50V R17 10K R18 NC C57 224 R23 12K C62 224 R24 6K8 C63 153 R25 56K C66 100N R26 1K + - 2 3 1 4 U4-A D4558+ - 6 5 7 8 U4-B R35 NC C67 224 R34 47K R36 10K + C69 0.47UF/16V R37 8K2 C70 100N C7

33、1 100N C72 100P R38 18K + C73 10UF/50V R39 10K R40 NC C78 224 R44 12K C79 224 R45 6K8 C80 153 R48 56K C81 100N R49 1K + - 2 3 1 4 U5-A D4558 + - 6 5 7 8 U5-B R50 NC C82 224 R51 47K R52 10K L15 100MHZ 80R L16 100MHZ 80R L18100MHZ 80R C1 330PF 1 VSSA 2 SGND 3 VDDA 4 IN2- 5 IN2+ 6 MODE 7 OSC 8IN1+ 9 IN

34、1- 10 DIAG1 11 OSCREF 12 DIAG2 13 PROT 14 VDDP1 15 BOOT1 16 OUT1 17 VSSP1 18 STAB1 19 NC 20 VSSP2 21 OUT2 22 BOOT2 23 VDDP2 24 VSSD U1 TDA8954CTH C3 330PF C6 100N C7 100N C8 100N C9 15N C10 15N R1 10R R210R C11220P C12 220P C14 100N R3 22RC16 100N R422R L2 15UH L3 15UH SPK5 4 OHM C17 100N C18 100N C

35、19100N C20 474 C21 47PF C22220N C23 220N C24 470N C25470N R5 5.6K R6 5.6K R46 5.6K R47 5.6K C74 470N C75 470N C97 220P C98 220P + C99 47UF/100V C181100N C182 100N + C184 47UF/100V C185 220P C186 220P SPK8 3 OHM 1 VSSA 2 SGND 3 VDDA 4 IN2- 5 IN2+ 6 MODE 7 OSC 8IN1+ 9 IN1- 10 DIAG1 11 OSCREF 12 DIAG2

36、13 PROT 14 VDDP1 15 BOOT1 16 OUT1 17 VSSP1 18 STAB1 19 NC 20 VSSP2 21 OUT2 22 BOOT2 23 VDDP2 24 VSSD U3 TDA8954TH C187330PF C190 100N C193 100N C196 100N C200 15N C201 15N R62 10R R63 10R C203 220P C204 220P C206 100N R64 22R C208100N R6522R L10 15UH L11 15UH C209 100N C210 100N C211 100N C212 474 C

37、21347P C214 220N C215 220N C217 470N R67 5.6K C27100N C28 100N + C30 47UF/100V C31 220P C32 220P SPK7 6 OHM 1 VSSA 2 SGND 3 VDDA 4 IN2- 5 IN2+ 6 MODE 7 OSC 8IN1+ 9 IN1- 10 DIAG1 11 OSCREF 12 DIAG2 13 PROT 14 VDDP1 15 BOOT1 16 OUT1 17 VSSP1 18 STAB1 19 NC 20 VSSP2 21 OUT2 22 BOOT2 23 VDDP2 24 VSSD U2

38、 TDA8954TH C1010 330P C36 100N C37 100N C38 100N C39 15N C40 15N R10 10R R11 10R C41 220P C42 220P C44 100N R1222R C46 100N R1322R L6 15UH L7 15UH C47 100N C48 100N C49 100N C87 474 C88 47PF C91 220N C95 220N C96 470N R14 5.6K 1 1A 2 1Y 32A 4 2Y 5 3A 6 3Y 7 GND 8 4Y 9 4A 105Y 11 5A 12 6Y 13 6A 14 VC

39、C U774CTO4 Y1 600KHZ C83 1N R73 47K C84 1N R74 47K Q7 BC857 R75 47K R76 10K R77 1K C85 1N R78 6.8K R791M R80 OPEN R81 47K R82 10K C86 33PF Y2 700KHZ C92 100P R83 10K R84 1K + C93 22UF/50V C226 100N C228 100P R87 0R C229 10p C231 102 R27 1.5k + C60 1UF/50V R28 47K R291K R30 39K R311K R324K7 R3347K R5

40、31K + C104 22UF/50V R541K R571K + C176 10UF/50V + C179 10UF/50V + C18010UF/50V Z1 5V6 SMD R94 24K C238 153 C241 100N C242 10P R95 1K5 R181 6K8 C250 100P R188 22K R207 220 C237 683 R98 82K R208 4K7 R209 1K5 R211 NC R55 24K C89 153 C90 100N C236 10P R56 1K5 R93 6K8 C247 100P R96 22K R169 220 C248 683

41、R170 82K R171 4K7 R183 1K5 R212 NC C249 100N D14 1N4002 D15 1N4002 LT5 6TS:6TS SPK6 4 OHM C224 100N D16 1N4002 D17 1N4002 LT6 6TS:6TS LT8 6TS:6TS D18 1N4002 D19 1N4002 LT2 6TS:6TS D201N4002 D211N4002 C55 474N R41 5K6 C56 474N R42 5K6 12345678 J33 SPK8P(Pink/Green) R238 220 R239 220 D41N4002 D51N4002 R241 220 R242 220 R243 220 R244 220 C4 330PF C5 330PF C243 680N C13 680N C15 680N C43 680N C45 680N C205 680N 3 2 1 Q8 BC847 3 2 1 Q5 BC847