Philips FWM3500 Service Manual
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Philips FWM3500 Service Manual

Philips FWM3500 Service Manual

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Seu Mini Hi-Fi System

TABLE OF CONTENTS

Technical specification ...........................................................1-13
Safety instruction......................................................................2-1
ESD protection......... ................................................................2-2
Set Block diagram ........................................................... .......3-1
Set Wiring diagram ............................................................. ....4-1
Disassembly diagram ............................................................. 5-1
Layout diagram.................................................................6-2..6-3
Key & Display
Layout diagram.................................................................7-2..7-4
Mechanical Exploded view..... .......................................... .....11-1
©
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
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without
the prior permission of Philips.
211
Published by LX 1
Service Audio
0
Version 1.
Circuit diagram....................................................................6-1
board
Circuit diagram....................................................................7-1
Amp & Tuner
board
Circuit diagram............................................................8-1..8-2
Layout diagram.................................................................8-3..8-5
Mcu & CD
board
Circuit diagram............................................................9-1..10-1
Layout diagram........................................................9-2~3..10-2~3
Printed in The Netherlands
Page
Subject to modification
FWM3500/
all
3141 785 37460

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  • Page 1: Table Of Contents

    Mechanical Exploded view............11-1 © 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 transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

  • Page 2: Version Variation

    Display Board Main Board Rectifier Board Key Board Amp Board Key Board Usb Board Key mic Board VERSION VARIATION Type /Versions: FWM3500 x/77 Service policy Board in used: (LATAM) (ARGENTINA) Main BOARD display BOARD amp BOARD key BOARD mic BOARD...
  • Page 3 1 - 3 FWM3000-3500-4000-4500 SH 190 Contact List 1 GENERAL PART 1 - FRONT PANNEL SPECICFICATION 2 GENERAL PART 2 - BACK PANNEL SPECICFICATION 3 GENERAL PART 3 - GENERAL SPECICFICATION 4 GENERAL PART 4 - TECHNICAL SPECICFICATION 6 GENERAL PART 5 - AUDIO SIGNAL SPECICFICATION 7 GENERAL PART 6 - CLOCK / TIMER SPECICFICATION 8 GENERAL PART 8 - TUNER SPECICFICATION ( All ) 9 GENERAL PART 9 - CD / MP3 SPECICFICATION...

  • Page 4: General Description

    Tested according to General Test Instruction refer to PHILIPS standary ( UAN -D1591 ) Measured according to PHILIPS standary ( UAN - L1059 ) unless other wise stated All not mentioned date, please refer to PHILIPS standary ( XUW - 0010 - JUNE 2001 ) Remarks...
  • Page 5 1 - 5 TECHNIAL DESCRIPTION Total power 200W FOR FWM3000-4000 280W FOR FWM3500-4500 ), One INPUT SOURCE, ( Digital Sound Control ). IS ( Incredible Sound ) GENERAL PART OUTPUT stage Protection : Yes Temperature : Yes. Shorcircuit : Yes LoudSpeaker D.C.
  • Page 6 1 - 6 AUDIO SIGNAL PROCESSING MP3-USB Mini Hi Fi System with Digital Tuner ,Class AB Power Amplifier DSC ( Digital Sound Control ) Select AUX as input source with the following set conditions: Inject sine wave 2V at 1 KHz to L/R channels of AUX-IN socket. Set DSC to JAZZ(Flat) mode and switch off DBB.
  • Page 7 1 - 7 AUDIO SIGNAL PROCESSING MP3 - USB Mini Hi Fi System with Digital Tuner , 3 CDC-MP3 for FWM4000/4500. 1CDCfor FWM3000/3500 IS ( Incredible Sound ) Select AUX as input source. Inject sine wave 2V at 1kHz to AUX-IN socket, one channel at a time (input level 500mV for /37,2V for /55 ). Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM &...

  • Page 8: General Part

    1 - 8 TECHNIAL DESCRIPTION AUX modle GENERAL PART i t a Output power = , 1 Khz ) 50W± 1 Db(fwm3000/4000) 70W± 1 Db(for fwm3500/4500) < < > ( 0 dB, 10 KHz ) >= 40dB > Frequency Response ( +/- 3dB ), reference 1kHz...
  • Page 9 1 - 9 TECHNIAL DESCRIPTION SOFTWARE IMPLEMENTED CLOCK / TIMER FUNCTION WITH 32.768KHZ QUARTZ OSCILLATOR. GENERAL PART i t t i t t i t t No of Timer Settings Nom : 1 sec/day Limit : 2 sec/day Clock Accuracy INDICATORS Remark CLOCK / TIMMER SPECICFICATION...
  • Page 10 1 - 10 TECHNIAL DESCRIPTION See also SH 190 USB Audio Module (300605) Measurment are directly done at the coonector on the board GENERAL PART Measurement are directly done at the connector on CDC board i t a t s i <...

  • Page 11: Electrical Data

    1 - 11 TECHNIAL DESCRIPTION GENERAL PART FM( 12 ) 87.5 - 108.00 MHz 50KHZ AERIAL PIGTAIL ANT WIRE 300 Ohm(for/37) 75ohm for 55/12 FRAME ANT. 18.1 uH INDICATORS ELECTRICAL DATA Limit Unit F.M. Limit Unit 23.5 - 3 dB Limiting Point Amplification Reverse Amplification Reverse AGC Figure of Merit...
  • Page 12 1 - 12 TECHNIAL DESCRIPTION CD + MP3 - Part Specifications (CD MECHAISM DA11VF OF SANYO ) 3DISC for FWM4000/4500 1DISC for FWM3000/3500 Input Output Motor Logic control Active components SA5888 74HC4094 BU9543 BU9543 Signal processsing D/A converter HF-preamplifier Servo processor Active components BU9543 BU9543...

  • Page 13: Version Overview

    1 - 13 VERSION OVERVIEW FWM3000/3500/4000/45000 DEST SURR MAINS SAFETY Wave RANGE GRID AERIAL SOCKET AERIAL SUPPLIED SOC. CORD . SPK. VOLTAGE EN60065 110-127V FM 87.5-108MHz MW 50kHz CLASS II 75 Ohm Coaxial 75 Ohm Pigtail Switched /55 /98 CISPR 13 531-1602kHz 9kHz SISR...

  • Page 14: Class 1 Laser Product

    2.0 SAFTETY INSTRUCTIONS WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically.

  • Page 15: 2.1 Esd Protection

    2.1 ESD PROTECTION When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electrocity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.

  • Page 16: Safty Precautions

    SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor. not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 per volt or more sensitivity.

  • Page 17: Block Diagram

    BLOCK DIAGRAM LCD Board CD Board CD DOOR MOTOR LCD Display TUNER AC CORD (SI4730/31 ) LCD DRIVER 3CD LOADER SENSOR ET8862 MOT R DRIVER Motor Driver IC AM5888S TA7291S PICK UP FWM4000 8M SERIAL FALSH MOTOR CONTROL DATA EN25T80 CD SERVO BU9543 BU9543...
  • Page 18 WIRING DIAGRAM...
  • Page 19 OUTER 1)Remove 9 screws A and 6 screws B/C as indicated to loosen the outer plate. OUTER PLATE. CD PART FRONT CAB. REAR PLATE BOTTOM PLATE Dismantling of the CD part and Bottom plate and PCB Board 1)Remove 2 screws E and 2 screws F as indicated to loosen the CD part. 2)Remove 2 screws G as indicated to loosen the Bottom Plate.
  • Page 21 PCB LAYOUT - MAIN BOARD TOP SIDE...
  • Page 22 PCB LAYOUT - MAIN BOARD BOTTOM SIDE...

  • Page 23: Circuit Diagram

    CIRCUIT DIAGRAM - KEY BOARD CN611 MUTE AMP_ON AM_HOPPNG1 240K R692 R613 CN602 C668 C674 33U 16V C669 C623 RIGHT CD-R C691 R615 R654 470P R668 220R C605 10U R626 C675 0.15u R612 AGND R-IN C651 33U 16V C616 R670 2K2 LEFT CD-L PBSS4320T...
  • Page 24 PCB LAYOUT - KEY/MIC BOARD...
  • Page 25 PCB LAYOUT - DISPLAY BOARD TOP SIDE...
  • Page 26 PCB LAYOUT - DISPLAY BOARD...

  • Page 27: Circuit Diagram

    220R 470P C788 R756 R745 1000pf BOOT1 R750 C721 R755 VDDP1 C724 C7708 100N R754 100K BC857B PROT Q710 R759 C727 R747 R744 C716 150K 150P 220P 4.7K R716 C710 22UH 4A for FWM3000/4000 L(HI)+ L701 22UH 6A for FWM3500/4500...

  • Page 28: Circuit Diagram

    CIRCUIT DIAGRAM - TUNING/POWER BOARD 1N5401 D815 3300UF/35V C806 C802 1K 1W C803 0.02U CON801 R837 1N5401 D817 +29V 1K 1W R801 C826 0.02U R836 1K 1W D816 1N5401 R838 T801 1K 1W C804 0.02U -29V F805 1N5401 D818 C828 C821 T5A L 250V 3300UF/35V...
  • Page 29 PCB LAYOUT - AMP BOARD TOP SIDE...
  • Page 30 PCB LAYOUT - AMP BOARD BOTTOM SIDE...
  • Page 31 PCB LAYOUT - TUNER BOARD...

  • Page 32: Circuit Diagram

    CIRCUIT DIAGRAM - MCU BOARD +3V3 +3V3 L109 +3V3 FB220R USB+5V R1126 USB+5V ENC_R ENC_R 8 VCC R1105 GND1 ENC_L 7 /HOLD ENC_L AMP_ALC# R180 AMP_ALC# AMP_ALC IC102 6 CLK IP_TX# IP_TX# R103 N25S80(8MB) IP_TX 5 DI IP_RX# IP_RX# R108 IP_RX IP_SET# IP_SET#...
  • Page 33 PCB LAYOUT - MCU BOARD TOP SIDE...
  • Page 34 PCB LAYOUT - MCU BOARD BOTTOM SIDE...

  • Page 35: Circuit Diagram - Cd Board

    10-1 10-1 CIRCUIT DIAGRAM - CD BOARD FWM3000/35000 NC GPIO193 R533 R535 TO CON551 DM+1 3U3/50v C536 DOOR MOTOR CD-R DM-1 CON1 This GND 2PIN/2.5MM/90C must be 100n C532 C520 R536 C533 use AGND 470P C519 100u/16v 470P 1 TRAY POSITION SW SW504 T1 T1 C534...
  • Page 36 10-2 10-2 PCB LAYOUT - CD BOARD TOP SIDE...
  • Page 37 10-3 10-3 PCB LAYOUT - CD BOARD BOTTOM SIDE...

  • Page 38: Exploded View

    11-1 11-1 EXPLODED VIEW...

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