Philips FWM416X/78 Service Manual
Philips FWM416X/78 Service Manual

Philips FWM416X/78 Service Manual

Mp3 mini hi-fi system
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MP3 Mini Hi-Fi System
CONTENTS
Technical specification ..................................................................1-2
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4
Instructions on CD playability ................................................2-1..2-2
Wiring diagram ..............................................................................3-1
Block diagram ................................................................................4-1
Disassembly diagram............ ................................................5-1..5-2
Main board
Circuit diagram .........................................................................6-1
Layout diagram ..................................................................6-2..6-3
AMP/Power board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3
CD board
Circuit diagram .........................................................................8-1
Layout diagram ..................................................................8-2..8-3
©
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 transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by LX 0917 Service Audio
Version 1.0
Subject to modification
USB board
Circuit diagram .........................................................................9-1
Layout diagram .........................................................................9-2
Front/MCU Board
Circuit diagram. ......................................................................10-1
Layout diagram ..............................................................10-2..10-3
Power Board
Circuit diagram. ...................................................................... 11-1
Layout diagram ....................................................................... 11-2
Exploded view diagram ...............................................................12-1
Mechanical parts list ...........................................................12-1..12-2
Electrical parts list...............................................................13-1..13-4
FWM416X
/78
FWM416
/55
3141 785 34050

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Summary of Contents for Philips FWM416X/78

  • Page 1: Table Of Contents

    Layout diagram ..............8-2..8-3 © 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 transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.
  • Page 2: Technical Specification

    1 - 2 TECHNICAL SPECIFICATION Amplifier Tuner Tuning range FM: 87.5 - 108MHz Total output power 200W RMS AM: 531 - 1602kHz (9kHZ); Signal-to-noise ratio 60dB A (IEC) 530 - 1700kHz (10kHZ) Frequency response 50 - 16000Hz Tuning grid 50KHz/100KHz (FM); AUX input 2000mV 9KHz/10KHz (AM)
  • Page 3: Measurement Setup

    MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 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). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 4: Service Aids

    SERVICE AIDS WARNING 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 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.
  • Page 5: Instructions On Cd Playability

    2 - 1 INSTRUCTIONS ON CD PLAYABILITY Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability playability ok ? Play a CD for at least 10 minutes check playability...
  • Page 6 2 - 2 INSTRUCTIONS ON CD PLAYABILITY PLAYABILITY CHECK LIQUID LENS CLEANING Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. For sets which are compatible with CD-RW discs This to avoid that little particles make scratches on use CD-RW Printed Audio Disc ....7104 099 96611 the lens.
  • Page 7: Wiring Diagram

    SET WIRING DIAGRAM...
  • Page 8: Block Diagram

    SET BLOCK DIAGRAM...
  • Page 9 5 - 1 5 - 1...
  • Page 11 CIRCUIT DIAGRAM - MAIN BOARD MIC+10V D410 1N4148 R472 AUDIO_PROTECTION D411 1N4148 R473 MIC_DET R120 C130 C129 2.2U NJM4556AM R116--4K7--39K R116 4.7K C126 2.2U A+9V MIC/IN C106 R178 R121 100K C128 AGND U106-B 470P R117 MIC+10V NJM4556AM 2.2U 330K C184 C183 AGND CON104...
  • Page 12 LAYOUT DIAGRAM - MAIN BOARD TOP SIDE...
  • Page 13 LAYOUT DIAGRAM - MAIN BOARD BOTTOM SIDE...
  • Page 14 CIRCUIT DIAGRAM - AMP/POWER BOARD U701 STK433-870(ZIP23) C763 100N R725 C701 470N L703 11T5 R762 C702 470N C746 100P R798 R705 R728 R706 C747 C739 R746 R736 R771 C721 C711 C719 C737 470N LEFT(HIGHT) R777 C735 470N Q712 R741 C725 C750 BC856B 100P...
  • Page 15 LAYOUT DIAGRAM - AMP/POWER BOARD TOP SIDE...
  • Page 16 LAYOUT DIAGRAM - AMP/POWER BOARD BOTTOM SIDE...
  • Page 17: Circuit Diagram

    CIRCUIT DIAGRAM - CD BOARD J703 C715 3.3uF/50V R707 C761 C716 AGND 100uF/16V 3.3uF/50V R708 Slave/Standalone SEL C760 0.1u MUTE LCD/LED SEL R733 R731 C759 CD+8V C772 10OuF/10V R704 IC705 Q702 J702 +10V MM1669AH B772 C758 PUH SEL 0.1u IC702 WMA DISC SELE C717 BA15BC...
  • Page 18: Layout Diagram

    LAYOUT DIAGRAM - CD BOARD TOP SIDE...
  • Page 19 LAYOUT DIAGRAM - CD BOARD BOTTOM SIDE...
  • Page 20: Circuit Diagram

    CIRCUIT DIAGRAM - USB BOARD USB short-circuit protected IC711 7805 Q705 R806 0.8R/1W C799 9015 C798 0.1u 100u/10V Q706 9014 9014 CON710 SHORT L711 SHORT L710 LM1117-3V3 +10v 10mH VSS33 VSS33_PHY + C1A VSS33 RG25VOUT 100u/10V 100u/10V 0.1u VSS33 VSS33_RG VSS33 VDD33_RG VSS33...
  • Page 21: Layout Diagram

    LAYOUT DIAGRAM - USB BOARD...
  • Page 22: Circuit Diagram

    10-1 10-1 CIRCUIT DIAGRAM - FRONT/MCU BOARD L4001 U403 10UH Q404 REM401 BC857 LM1117-3V3 REMOTE R424 R511 D401 VOUT R425 Q402 R418 680K R415 R412 Q403 C439 470R R540 R549 220UF/10V BC847 XT401 470R R541 R548 R500 C435 10MHz XT402 TDA7468_SDA 32.768K TDA7468_SCL...
  • Page 23: Layout Diagram

    10-2 10-2 LAYOUT DIAGRAM - FRONT/MCU BOARD TOP SIDE...
  • Page 24 10-3 10-3 LAYOUT DIAGRAM - FRONT/MCU BOARD BOTTOM SIDE...
  • Page 25: Circuit Diagram

    11-1 11-1 CIRCUIT DIAGRAM - POWER BOARD 1N5402 D815 C803 CON803 D817 R801 10K +32V 1N5402 C802 C826 R836 D816 1N5402 T801 C804 -32V F805 D818 4700UF/50V 1N5402 T5A L 250V C821 C827 110V 1N5392 F804 1N5392 D831 D835 T5A L 250V C831 0.02U +14V...
  • Page 26: Layout Diagram

    11-2 11-2 LAYOUT DIAGRAM - POWER BOARD...
  • Page 27 12-1 12-1 SET EXPLODED VIEW...
  • Page 28: Mechanical Partslist

    MAX SOUND BUTTON 996510014360 DBB BUTTON 996510014361 ROCK-CLASSIS BUTTON 996510014362 DISPLAY LENS (PMMA) 996510014363 POWER LIGHT GUIDE 996510000439 PHILIPS LOGO 996510014364 SCREW BUSHING 996510014365 MIDDLE STRAP OF SOUND BUTTON 996510015500 MIDDLE STRAP L 996510015501 MIDDLE STRAP R 996510025079 DISPLAY TOP BAR...
  • Page 29 12 - 2 ACCESSORIES J015 ! 996500037714 AC CORD SET VDE/BRAZIL APP 1.8 J011 996510009429 FM ANT (GREY) 1.5M CE/75 0007 994000001192 AM LOOP ANTENNA LAN-031 J012 996510002103 CONN. CORD 3.5 ST/PLUGx2 500mm 996510014339 REMOTE CONTROL S002 996510025075 SPEAKER BOX (L+R) Note: Only these parts mentioned in the list are normal service parts.
  • Page 30: Electrical Partslist

    13 - 1 ELECTRICAL PARTSLIST MAIN BOARD ASSEMBLY 996510006833 E.CAP 3300UF 25V +-20% 996510006834 DISCRI.FILTER CDA10.7MG46-A 994000003642 CER. FILTER LT10.7MA5-A RED 994000002857 CERAMIC FILTER SFU450B CON3 996510005450 SPK JACK PT-22V11A 994000000254 TRIMMER 10PF 6MM (WH) 994000003938 RECTIFIER DIODE RL-202 ! 994000000586 GLASS FUSE W/LEAD 3.15A/250V 996510006827 IC (SANYO) LA6541NHL-TE-L-E...
  • Page 31 13- 2 ELECTRICAL PARTSLIST FRONT/MCU BOARD ASSEMBLY D402 996510012557 RECTIFIER DIODE 1N5819 D403 996510009467 SMD DIODE BAS216 D405 996510000438 LED LAMP D406 996510021295 LED LAMP 5mm D412 994000004341 SMD DIODE BAV99L D420 996510009467 SMD DIODE BAS216 D422 996510009467 SMD DIODE BAS216 D424 996510009467 SMD DIODE BAS216...
  • Page 32 13 - 3 ELECTRICAL PARTSLIST AMP/POWER BOARD ASSEMBLY IC703 994000001201 IC NJM4556AM L701 994000004483 FM COIL 8X11.5T (1MM) L702 994000004483 FM COIL 8X11.5T (1MM) L703 994000004483 FM COIL 8X11.5T (1MM) L704 994000004483 FM COIL 8X11.5T (1MM) M001 996510025065 DC FAN JD6025MS1 Q702 996510018960 TRANSISTOR ST8050C...
  • Page 33 13 - 4 POWER BOARD ASSEMBL Y C801 996510001309 E.CAP 4700UF 25V +-20% (PH) C806 994000001206 E.CAP 3300UF 50V -20% C821 994000001206 E.CAP 3300UF 50V -20% D815 996500040362 RECTIFIER DIODE 1N5402 3A 200V D816 996500040362 RECTIFIER DIODE 1N5402 3A 200V D817 996500040362 RECTIFIER DIODE 1N5402 3A 200V...

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Fwm416/55

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