Philips FWM575/37 Service Manual
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Mini System
©
Copyright 2006 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 SL0644 Service Audio
Version 1.1
TABLE OF CONTENTS
Location of PC Boards................................................. 1-2
Versions Variation & Package ..................................... 1-2
Specifi cations .............................................................. 1-3
Measurement Setup .................................................... 1-4
Service Aids, Safety Instruction, etc ..................1-5 to 1-7
Preparations & Controls ..................................1-8 to 1-10
Maintenance & Troubleshooting ................................ 1-11
Setting Procedure & Repair Instructions ....................... 2
Disassembly Instructions & Service positions ................ 3
Block Diagram ................................................................ 4
Wiring Diagram ............................................................... 5
Front Board & Key Board ............................................... 6
ECO6 Tuner Board : Systems Non-Cenelec ................ 7A
ETF7 Tape Board ........................................................... 8
Mains Board ................................................................... 9
Power Module .............................................................. 10
AF9 Board .................................................................... 12
Mechanical Exploded View & Parts List ....................... 13
Printed in The Netherlands Subject to modifi cation.
FWM575/
Page
CLASS 1
LASER PRODUCT
GB
37/55
3141 785 30871
Free Datasheet http://www.Datasheet4U.com

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Summary of Contents for Philips FWM575/37

  • Page 1 LASER PRODUCT © Copyright 2006 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 LOCATION OF PCBS VERSION VARIATIONS : Type /Versions: FWM575 Features & Board in used: Karaoke News Rotary Encoder (volume control) Jog Shuttle Voltage Selector Aux Input Digital Output Headphone Socket Line Output Matrix Surround Loudspeakers Standby - FTD Clock Display ECO Standby - LED Display ECO6 Tuner board - System Non-Cenelec ECO6 Tuner board - System Cenelec...
  • Page 3 SPECIFICATION GENERAL: CASSETTE RECORDER: Mains voltage : 110-127V /37, 220-240V /55 Number of track : 2 x 2 stereo : 4.76 cm/sec ± 2% Mains frequency : 60Hz Tape speed Power consumption : < 1W at ECO Standby Wow and flutter : <...
  • Page 4: 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 5: Service Aids

    SERVICE AIDS ESD Equipment: Service Tools: Universal Torx driver holder .........4822 395 91019 Anti-static table mat - large 1200x650x1.25mm ...4822 466 10953 anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx bit T10 150mm ...........4822 395 50456 Anti-static wristband ..........4822 395 10223 Torx driver set T6-T20 .........4822 395 50145 Connectorbox (1M Ω)
  • Page 6: Class 1 Laser Product

    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. de levensduur drastisch doen verminderen. When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een connected with the same potential as the mass...
  • Page 7 To avoid wear-out of tips switch off un-used equipment, or reduce heat. • Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free).
  • Page 8: Preparations And Controls

    PREPARATIONS AND CONTROLS Free Datasheet http://www.Datasheet4U.com...
  • Page 9 PREPARATIONS AND CONTROLS Free Datasheet http://www.Datasheet4U.com...
  • Page 10 1-10 PREPARATIONS AND CONTROLS Free Datasheet http://www.Datasheet4U.com...
  • Page 11: Maintenance And Troubleshooting

    1-11 MAINTENANCE AND TROUBLESHOOTING Free Datasheet http://www.Datasheet4U.com...
  • Page 12: Dismantling Instructions

    DISMANTLING INSTRUCTIONS Dismantling of the CDC Module and Front Panel Dismantling of the Cassette Cover 4) Remove the Cover Tray CDC as indicated. 2. Twist screw driver 5. Twist screw driver 3. Lift up and out 1. Place screw driver 6.
  • Page 13 Dismantling of the Front Board Dismantling of Rear Portion 1) Remove 6 screws C and 7 screws D as indicated to loosen the Front 1) Remove 2 screws F as indicated to loosen the Speaker Board. Board. 2) Remove 4 screws E as indicated to loosen the Front Board. 2) Remove 1 screws J and uncatch M1 as indicated to loosen the AF Board.
  • Page 14 Repair Hints 3) During repair it is possible to disconnect the Tape board Service pos C and CDC Module completely unless the fault is sus- pected to be in that area. This will not affect the performance of the rest of the set. Service pos A Note: The flex cables are very fragile, care should be taken not to damage them during repair.
  • Page 15 SERVICE TEST PROGRAM To start service test program hold 6 & AUX depressed while plugging in the mains cord S refers to Service Mode. Display shows the ROM version * V refers to Version. "S-Vyy" (Main menu) yy refers to Software version number of µProcessor. (Counting up from 01 to 99) TUNER DISPLAY...
  • Page 16: Set Block Diagram

    SET BLOCK DIAGRAM...
  • Page 17: Set Wiring Diagram

    SET WIRING DIAGRAM...
  • Page 18 FRONT & KEY & USB BOARD TABLE OF CONTENTS Front PCB Layout Top View ..........6-2 Front PCB Layout Bottom View ........6-3 Circuit Diagram ..............6-4 PCB Layout (CDC Key & USB Jack Part) ....... 6-5 Remark: This chapter is only for reference. For Ver. 37, the whole Front Board Ass'y and Key Board Ass'y and USB Jack Board Ass'y can be orderd with 12nc: 9940 000 04756 &...
  • Page 19 PCB LAYOUT - FRONT BOARD (TOP VIEW)
  • Page 20 PCB LAYOUT - FRONT BOARD (BOTTOM VIEW)
  • Page 21 CIRCUIT DIAGRAM - FRONT & KEY BOARD...
  • Page 22 PCB LAYOUT - CDC KEY BOARD PCB LAYOUT - USB JACK BOARD (TOP VIEW) PCB LAYOUT - USB JACK BOARD (BOTTOM VIEW)
  • Page 23 7A-1 7A-1 BLOCK DIAGRAM TUNER BOARD ECO 6 Systems Vcc1 buffer ampl. Stab Stab Discriminator FM-RF FM-IF 1 FM-IF 2 (MPX) Vcc2 1101 Loop (1102) LF filter 10,7 MHz 10,7 MHz 10,7 MHz 1120 left left right Stereo right Decoder Mixer Det.
  • Page 24: Tuner Board Eco6

    7A-2 7A-2 1101 A1 1102 B1 1103 F2 1120 E14 1130 A2 TUNER BOARD ECO6 1131 B2 / SYSTEMS NON CENELEC 1132 G13 2101 B3 VERSION PROGRAMMING COMPONENTS 2102 B1 1101 2103 C7 2105 AM-IF1 2104 B3 1130 2105 A2 5111 450kHz VERSION...
  • Page 25: Tuner Adjustment Table

    7A-3 7A-3 1101 A6 1120 A4 1132 A5 2128 C4 2138 C2 3142 D2 5110 B3 5114 A2 5123 D5 7112 C1 9104 B5 9107 D4 TUNER ADJUSTMENT TABLE ( ECO6 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) 1102 B6 1130 B5 2106 C5...
  • Page 26: Tape Board

    TAPE BOARD TABLE OF CONTENTS Remark: For Ver /37 & /55, the whole Tape Board Ass'y can be orderd with 12nc: 9940 000 04469 PCB Layout Top View ............8-2 PCB Layout Bottom View ..........8-2 Circuit Diagram ..............8-3 Electrical Parts List ............
  • Page 27 PCB LAYOUT - TAPE BOARD (TOP VIEW) PCB LAYOUT - TAPE BOARD (BOTTOM VIEW)
  • Page 28: Circuit Diagram - Tape Board

    CIRCUIT DIAGRAM - TAPE BOARD...
  • Page 29 ELECTRICAL PARTS - CASS DECK BOARD 3778 9940 000 01249 FUSE RES. 6.8Ω 1/4W +/-5% 5703 9940 000 01251 IFT OSC COIL 100KHZ 7610 5322 209 11306 HEF4094BT 7710 9940 000 01248 IC HF4952 7720 9322 140 00668 IC SM AN7323S (MATJ) 7730 9940 000 01248 IC HF4952...
  • Page 30: Mains Board

    MAINS BOARD TABLE OF CONTENTS Remark: For Ver. /37, this chapter is only for reference, the whole Mains Board Ass'y can be orderd with 12nc: 9940 000 04772 PCB Layout ..............9-2 Circuit Diagram ..............9-3...
  • Page 31 LAYOUT DIAGRAM - MAINS BOARD (TOP VIEW)
  • Page 32 CIRCUIT DIAGRAM - MAINS BOARD...
  • Page 33 10-1 10-1 POWER & BI-AMP & SPEAKER BOARD TABLE OF CONTENTS Remark: For Ver./37, this chapter is only for reference, the whole Power Board Ass'y and BI-AMP Board Ass'y and Speaker Board Ass'y can be orderd with 12nc: 9940 000 04755 and 9940 000 04759 and 9940 000 04761. Power Board Layout Diagram ........
  • Page 34: Layout Diagram - Power Board

    10-2 10-2 LAYOUT DIAGRAM - POWER BOARD...
  • Page 35: Circuit Diagram - Power Board

    10-3 10-3 CIRCUIT DIAGRAM - POWER BOARD PART 1...
  • Page 36 10-4 10-4 CIRCUIT DIAGRAM - POWER BOARD PART 2...
  • Page 37 10-5 10-5 LAYOUT DIAGRAM - BI-AMP BOARD LAYOUT DIAGRAM - SPEAKER BOARD...
  • Page 38 10-6 10-6 CIRCUIT DIAGRAM - BI-AMP BOARD & SPEAKER BOARD...
  • Page 39 12-1 12-1 BRIEF INTRODUCTION OF THE AF9 BOARD The AF9 Board consists of the following features : a. TDA7468D IC TDA7468D IC (7501) which includes functions such as source selection, loudness control, dynamic bass control, treble control, volume control and muting function. Sound features such as ALC, DBB, DSC and IS are controllable via I C Bus from the microprocessor.
  • Page 40 12-2 12-2 CHIP LAYOUT This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list. 3139 113 3435 pt4 dd wk0142...
  • Page 41 12-3 12-3 COMPONENT LAYOUT This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list. 3139 113 3435 pt4 dd wk0142...
  • Page 42 12-4 12-4 SOURCE SELECTION & SOUND PROCESSING CIRCUIT...
  • Page 43 12-5 12-5 HEADPHONE AMPLIFIER & I C EXPANDER CIRCUIT...
  • Page 44 12-6 12-6 DIGITAL OUT & INTERCONNECTION CIRCUIT 1100 F6 T054 C1 1201 C1 T055 C1 1202 E1 T056 C1 1203 C1 T057 C1 1204 E1 T058 D1 3412 1205 C1 T059 D1 UV55 UX50 CW00 WE00 UE55 FE-BT-VK-N 1206 C1 T060 D1 4909 1521...
  • Page 45 13-1 13-1 MECHANICAL EXPLODED VIEW...
  • Page 46 13-2 13-2 MECHANICAL & ACCESSORIES PARTS LIST ELECTRICAL PARTS LIST - MISCELLANEOUS 9940 000 04503 CASS LENS BOTTOM L 9940 000 01192 AM LOOP ANTENNA LAN-031 9940 000 01257 11P FFC 1.25MM L=260MM 9940 000 04502 CASS LENS BOTTOM R 9940 000 01688 AC CORD SET CUL APP 6FT /37 9940 000 01262...
  • Page 47 13-3 13-3 ELECTRICAL PARTS LIST - FRONT BOARD ELECTRICAL PARTS LIST - KEY BOARD ELECTRICAL PARTS LIST - POWER BOARD ELECTRICAL PARTS LIST - AF9 BOARD 1429 9940 000 01243 TACT SWITCH 1280 9940 000 01356 FUSE RADIAL T2.5A/250V 1501 9940 000 01221 V/RCA JACK 2P 1405...

This manual is also suitable for:

Fwm575Fwm575/55

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