Philips-FWM-997-X-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.0 FWM997X 3141 785 33280 MP3 Mini Hi-Fi System /55 Published by LX 0903 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 tran

2、smitted, 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. .3-1.3-2 Block diagram

3、.4-1 Wiring diagram .4-2 Main 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 Front board Circuit diagram .7-1 Layout diagram .7-2.7-3 MCU board Circuit diagram .8-1 Layout diagram .8-2.8-3 CD Board Circuit diagram. .9-1 Layout diagram .9

4、-2.9-3 Sub Power Board (it is not repaired,diagram for referrence only) Circuit diagram. .10-1 Layout diagram .10-1 Sub AMP Board (it is not repaired,diagram for referrence only) Layout diagram .11-1 Sub SW Board (it is not repaired,diagram for referrence only) Layout diagram .12-1 Exploded view dia

5、gram .13-1 Mechanical parts list .13-2.13-3 Electrical parts list.14-1.14-2 /78 FWM997 RadioFans.CN 收音机爱 好者资料库 AMPLIFIER RMS output power Total output power.800W RMS Signal-to-noise ratio. 67 dB A (IEC) Frequency response . 60 16000 Hz Input sensitivity AUX . 1500mV/2000mV Output Speakers . 3 (1) (3

6、 ,1 kHz, 10%THD) CD/MP3-CD PLAYER Number of programmable tracks . 40 Frequency response .60 16000 Hz -3dB Signal-to-noise ratio. 75 dB A Channel separation. 50 dB (1 kHz) Total harmonic distortion. 1.5% MPEG 1 Layer 3 (MP3-CD) . MPEG AUDIO MP3-CD bit rate . 32-256 kbps (128 kbps advised) Sampling fr

7、equencies .32, 44.1, 48 kHz TUNER FM wave range .87.5 108 MHz AM wave range (9 kHz) .531 1602 kHz AM wave range (10 kHz).530 1700 kHz Tuning grid .9/10 kHz Number of presets . 40 Antenna FM. 75 wire AM. Loop antenna USB PLAYER USB . 12Mb/s,V1.1 . support MP3 andWMA files Number of albums/folders .ma

8、ximum 99 Number of tracks/titles. maximum 999 FRONT SPEAKERS System 4-way; double port bass reflex Impedance. 2 x 6 Woofer .2 x 5.25” Tweeter.2 x 1.75” Output power .2 x (100W+ 100W) Dimensions (w x h x d) .225 x 430 x 275 (mm) Weight. 4.928 kg each REAR SPEAKERS System full range satellite Impedanc

9、e. 3 Speaker driver.4” + 4” (fake) Frequency response . 150Hz-16KHz Output power . 2 x 100W Dimensions (w x h x d) . 142.5 x 345 x 171.3 Weight. 2.1 kg each SUBWOOFER AC Power.110 127 / 220 240V; .50/60 Hz, Switchable Power Consumption Active.100W Impedance. 6 Subwoofer driver .8” Output power .200W

10、 Dimensions (w x h x d). 274 x 430 x 342.3 (mm) Weight. 11.2 kg GENERAL Material/finish .Polystyrene/Metal AC Power (for the main unit) . .110 127 / 220 240V; .50/60 Hz, Switchable Power Consumption Active. 90W Standby . 20W Dimensions (w x h x d) .265 x 345 x 382 (mm) Weight (without speakers) . 8.

11、671 kg Specifications and external appearance are subject to change without notice. TECHNICAL SPECIFICATION 1 - 2 RadioFans.CN 收音机爱 好者资料库 1-3 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 m

12、ete 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 Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces test disc 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g.

13、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 all AM-measurements have to be carried out in a Faradays cage. Use a bandpass filter (or at least a high pass filter

14、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 distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from

15、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 electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you

16、 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 regulations require that the set be restored to its original condition and that parts which are identical with those s

17、pecified, 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 customer SET OK check playability N Y playability ok ? check playability check playability return set Customer compla

18、int 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- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW

19、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: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all other sets use CD-D

20、A 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 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable

21、 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 problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain, the customer is requested

22、 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 responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of the lens is syntheti

23、c 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 mechanical component and may not be damaged in order to guarantee its full function. Clean the lens gently (dont pres

24、s 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 the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid that little partic

25、les make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 DISASSEMBLY DIAGRAM VIEW PART 1 3 - 13 - 1 3 - 2 3 - 2 DISASSEMBLY DIAGRAM VIEW PART 2 3CDC CD Loader PICK-UP MECHA SANYO : DA-11VF 4 CH MOTOR DRIVER (BA5826) ROHM RF AMP+SSP+DSP (BU9543) PLL Tuner (SANYO LC72131+TA1823 or Panasoni

26、c TM10) MCS LOGIC BX8800 MP3/WMA En/De + MCU +USB/CARD SOUND CONTROL SW+VOL+EQ (TDA7468 or /PT2314) POWER AMP TDA8920 AUX DISPLAY VFD USB/SD MMC NOR FLASH SST39VF400A SDRAM 16Mbit Port Expander 74HC4094 VFD DRIVER PT6315 Spectrum analyzers LED controller for Light Box (May use) MUX 74VC157 ADC CE263

27、2 Karaoke ( use standard FWM582 Karaoke board) SET BLOCK DIAGRAM 4 - 14 - 1 SET WIRING DIAGRAM 4 - 24- 2 5 - 15 - 1 CIRCUIT DIAGRAM - MAIN BOARD PART 1 5 - 25 - 2 CIRCUIT DIAGARM - MAIN BOARD PART 2 LAYOUT DIAGARM - MAIN BOARDMAIN BOARD COMPONENT SIDE VIEW LAYOUT DIAGARM - MAIN BOARDMAIN BOARD COPPE

28、R SIDE VIEW 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 - FRONT BOARD 7 - 17 - 1 LAYOUT DIAGARM - FRONT BOARD COMPONENT SIDE VIEW 7 - 27 - 2 LAYOUT DIAGARM -

29、FRONT BOARD COPPER SIDE VIEW 7 - 3 7 - 3 CIRCUIT DIAGRAM - MCU BOARD 8 - 18 - 1 LAYOUT DIAGARM - MCU BOARD COMPONENT SIDE VIEW 8 - 28 - 2 LAYOUT DIAGARM - MCU BOARD COPPER SIDE VIEW 8 - 3 8 - 3 CIRCUIT DIAGRAM - CD BOARD 9 - 1 9 - 1 LAYOUT DIAGRAM - CD BOARD COMPONENT SIDE VIEW 9 - 2 9 - 2 LAYOUT DI

30、AGRAM - CD BOARD COPPER SIDE VIEW 9 - 3 9 - 3 9 11 1 12 2 3 10 6 4 5 T901 FWM996 1 2 3 CN603 AC27V OUT 1 2 3 4 5 6 CN602 CN6/3.96 1 2 3 4 5 CN601 CN5/3.96 1 2 AC IN AC JACK CON907 POWER ON_OFF 1 2 3 4 5 6 C0N602 CN6/3.96 1 2 3 4 5 CON601 CN5/3.96 SW2 SW2 A SW2 SW2 B F908 T5AL/250V 1 2 3 4 5 6 7 8 9

31、CN898 9PIN DIN 1 2 3 4 5 6 7 8 CN689 8 HEADER SL GND SR POWER ON FP AMP MUTE GND FAN ON 1 2 3 4 CN818 4 HEADER 1 2 3 4 SP101 SP JACK GND GND SL+ SR+ CIRCUIT DIAGRAM - SUB POWER BOARD (in subwoofer box) LAYOUT DIAGRAM - SUB POWER BOARD 10 - 110 - 1 LAYOUT DIAGRAM - SUB AMP BOARD (in subwoofer box) 11

32、 - 111 - 1 LAYOUT DIAGRAM - SUB SW BOARD (in subwoofer box) 12 - 112 - 1 EXPLODED VIEW DIAGRAM 13 - 113 - 1 13 - 2 MECHANICAL PARTSLIST 110996510014336SPRING-GUIDING 111996510014337SPRING-DISC 201996510020795FRONT CABINET 202996510016105FOOT HOLDER 2039965100178103CDC DOOR 204996510017811LEFT PANEL

33、AROUND VOL 205996510017812RIGHT PANEL AROUND VOL 206996510016109TOP COVER 207996510016110LEFT COVER 208996510016111RIGHT COVER 209996510016112BOTTOM COVER 210996510016113VOL KNOB COVER 211996510017813TOP CD BUTTON 212996510016115ALBUM BUTTON 213996510015507USB DELETE BUTTON 214996510016116TITLE BUTT

34、ON 215996510016117STOP BUTTON 216996510016118PLAY BUTTON 217996510016119MODE BUTTON 218996510016120PROGRAM BUTTON 219996510016121POWER BUTTON 220996510016122VOL KNOB 221996510020799MAX SOUND BUTTON 222996510016124CLUSTER BUTTON 223996510017815USB REC BUTTON 224996510020794JAZZ BUTTON 225996510020793

35、TECHNO BUTTON 226996510016128DDB BUTTON 227996510017818IS-VAC BUTTON 228996510017819LIGHT-DISPLAY BUTTON 229996510015510MIC KNOB 230996510016131IR LENS 231996510016132POWER LIGHT GUIDE 232996510016133VOL LIGHT GUIDE 233996510016134DBB LIGHT GUIDE 234996510017820MAX BUTTON LIGHT GUIDE 235996510000439

36、PHILIPS LOGO 236996510017821MIDDLE STRAP SOUND BUTTON 237996510020797DISPLAY TOP BAR 238996510020803MIDDLE STRAP TOP BUTTON 239996510016139MIDDLE STRAP L 240996510016140MIDDLE STRAP R 241996510017988VOL RING 242996510017989USB RING Note:Only these parts mentioned in the list are normal service parts

37、. ACCESSORIES J003! 994000001478AC PLUG ADAPTOR J010996510016101AM LOOP ANTENNA J011996510009429FM ANT (GREY) 1.5M CE/75 J012996510002103CONN. CORD 3.5 ST/PLUGx2 500mm J0129965100208049P MINI DIN CABLE L=1.5M BLK J110! 996500037714AC CORD SET VDE/BRAZIL APP 1.8 RC996510020798REMOTE CONTROL Note:Only these parts mentioned in the list are