Philips FWM35/21 Service Manual
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Philips FWM35/21 Service Manual

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Service Manual
©
Copyright 2005 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 SL0509 Service Audio
Version 1.0

TABLE OF CONTENTS

Location of PC Boards ................................................ 1-2
Versions Variation & Package .................................... 1-2
Specifications .............................................................. 1-3
Measurement Setup ................................................... 1-4
Service Aids ................................................................ 1-5
ESD & Safety Instruction ............................................ 1-6
Service Instruction ...................................................... 1-7
Setting Procedure & Repair Instructions ....................... 2
Disassembly Instructions & Service positions .............. 3
Block & Wiring Diagram ................................................ 4
Front Board .................................................................... 5
Main Board .................................................................... 6
ETF7 Tape Module ........................................................ 7
Power Board .................................................................. 8
3Cdc-Lc-Mp3Cd2002 Module .................................... 9
Mechanical Exploded View & Parts List ...................... 10
Printed in The Netherlands Subject to modification.
FWM35/
Page
CLASS 1
GB
21/21M/22/30
3141 785 30140

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  • Page 1 LASER PRODUCT © Copyright 2005 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: FWM35 /21M 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 - Dark ECO6 Tuner board - System Non-Cenelec ECO6 Tuner board - System Cenelec...
  • Page 3 SPECIFICATIONS GENERAL: CASSETTE RECORDER: Mains voltage : 110-127V/220-240V Switchable for /21/21M Number of track : 2 x 2 stereo 230V ± 10% for /22/30 : 4.76 cm/sec ± 2% Tape speed Mains frequency : 50/60Hz Wow and flutter : < 0.4% DIN Power consumption : <...

  • 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: 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 SERVICE INSTRUCTION Safety regulations require that after a repair, the set must be returned in its original condition. Pay in particular attention to the following points: · Route the wire trees correctly and fix them with the mounted cable clamps. ·...
  • Page 8 ANTENNA ANTENNA AUX/CDR – – SPEAKERS 6 MW ANTENNA...
  • Page 12 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 5 screws H and uncatch M1 as indicated to Board. loosen the Main Board. 2) Remove 4 screws E as indicated to loosen the Front 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 DEMO Mode To start service test program hold P & AUX depressed while ACTION plugging in the mains cord Hold the 9 button down for 5 seconds during the DEMO display, To Switch off the set will confirm with "DEMO OFF" and switch to Standby. Hold the 9 button down for 5 seconds during Standby, DEMO To Switch on S refers to Service Mode.
  • Page 16 SET BLOCK DIAGRAM...
  • Page 17 SET WIRING DIAGRAM...
  • Page 18 INTERNAL BLOCK DIAGRAM MICROCONTROLLER - IC TMP87PS71F FRONT & KEY BOARD TABLE OF CONTENTS Internal IC Diagram & Pin Assignment ......5-1 Internal IC Diagram & Pin Description ......5-2 Internal IC Diagram & Pin Description ......5-3 PCB Layout Top View ............5-4 PCB Layout Bottom View ..........
  • Page 19 PIN ASSIGNMENT (TOP VIEW) PIN DESCRIPTION MICROCONTROLLER - IC TMP87PS71F MICROCONTROLLER - IC TMP87PS71F...
  • Page 20 INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM RDS/RBDS DEMODULATOR - IC SAA6581T POSITIVE VOLTAGE REGULATOR - IC KA7805 BLOCK DIAGRAM 560 pF handbook, full pagewidth +5 V V DDD SCOUT 100 nF SYNC RDCL 57 kHz multiplex CLOCKED RDS/RBDS 8th ORDER COMPARATOR input DEMODULATOR...
  • Page 21 PCB LAYOUT - FRONT & KEY BOARD (TOP VIEW)
  • Page 22 PCB LAYOUT - FRONT & KEY BOARD (BOTTOM VIEW)
  • Page 23 CIRCUIT DIAGRAM - FRONT BOARD (MCU PART)
  • Page 24 CIRCUIT DIAGRAM - FRONT BOARD (MIC PART)
  • Page 25 ELECTRICAL PARTS - FRONT BOARD 1800 9940 000 01325 MICRO PHONE JACK D3.6 /21 1405 9940 000 01243 TACT SWITCH 1406 9940 000 01243 TACT SWITCH 1408 9940 000 01243 TACT SWITCH 1410 9940 000 01243 TACT SWITCH 1420 9940 000 01243 TACT SWITCH 1421 9940 000 01243...
  • Page 26 BRIEF INTRODUCTION OF THE MAIN BOARD The Main Board consists of the following features : TDA7468D TDA7468D (IC704) provides the basic sound processing - loudness, bass, treble, volume & mute controls and source selection - TUNER, TAPE, CD & AUX including Mic mixing for the set. Sound features such as ALC, DBB, DSC and IS are controlled by the microprocessor IC on the Front Board via I C Bus.
  • Page 27 INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM IC TDA7468D IC TDA8947J 4-CHANNEL AUDIO AMPLIFIER TDA7468 VOLUME II VOLUME I TREBLE BASS POWER SUR. SUPPLY LEFT LEFT LEFT LEFT BASS ALC SOURCE SELECTOR LOGIC IIC BUS VOLUME I VOLUME II TREBLE BASS SUR.
  • Page 28 PCB LAYOUT - MAIN BOARD_for /21/30 TOP VIEW...
  • Page 29 PCB LAYOUT - MAIN BOARD_for /21/30 BOTTOM VIEW...
  • Page 30 CIRCUIT DIAGRAM - MAIN BOARD AMP PART...
  • Page 31 PCB LAYOUT - MAIN BOARD_for /22 (9940 000 01506) TOP VIEW...
  • Page 32 PCB LAYOUT - MAIN BOARD_for /22 (9940 000 01506) BOTTOM VIEW...
  • Page 33 ELECTRICAL PARTS - MAIN BOARD 1110 9940 000 00256 TUNER (MITSUMI) FE450-G01 1504 9940 000 01218 COAXIAL JACK HIR-401V 2106 9940 000 01207 TRIMMER 10PF 6MM (WH) 5102 9940 000 01212 AM IFT (BLACK) 7MM 5109 9940 000 01208 CER. FILTER 5110 9940 000 01208 CER.
  • Page 34 7A-1 7A-1 BLOCK DIAGRAM TUNER PART 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 Frontend Mixer Det.
  • Page 35 7A-2 7A-2 1101 A1 1102 B1 1103 F2 1120 E14 1130 A2 / SYSTEMS NON CENELEC TUNER PART ECO6 1131 B2 1132 G13 2101 B3 VERSION PROGRAMMING COMPONENTS 2102 B1 1101 2103 C7 2105 2104 B3 AM-IF1 1130 2105 A2 5111 450kHz VERSION...
  • Page 36 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 ( ECO6 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) TUNER ADJUSTMENT TABLE 1102 B6 1130 B5 2106 C5...
  • Page 37 7A-4 7A-4 Electrical Partslist ECO6 SYSTEMS NON CENELEC MISCELLANEOUS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1101 2422 015 19376 SOCKET 2P CLICKFIT 3143 © 4822 051 20223 22kΩ 0,1W USA only RDS only 1102 4822 267 10283 SOCKET COAX, IEC 75Ω 3144 © 4822 051 10102 1kΩ...
  • Page 38 7B-1 7B-1 BLOCK DIAGRAM ECO6 Tuner PART version: SYSTEMS CENELEC TABLE OF CONTENTS Blockdiagram..............7B-1 Schematic Diagram............7B-2 Component Layout ............7B-3 Adjustment table .............7B-3 Electrical Partslist............7B-4...
  • Page 39 7B-2 7B-2 1101 A2 5121 E11 1102 B1 5122 H5 1103 E2 5123 G5 1110 B2 6105-1 E4 VERSION PROGRAMMING COMPONENTS 1120 E14 6105-2 G6 1130 A2 6106 D4 TUNER PART ECO6 / SYSTEMS-CENELEC 1131 C2 6107 G13 VERSION AM-IF1 1132 F13 6120 C13 6120...
  • Page 40 7B-3 7B-3 1101 B5 1110 B4 1131 C5 2107 B3 2133 C1 2162 A4 5102 C4 5110 A2 5114 A2 5121 B2 7104 C4 9101 A2 9104 B1 9107 B4 9110 A4 ( ECO6 Cenelec FM/MW - and FM/MW/LW - versions with AM-frame aerial ) TUNER ADJUSTMENT TABLE 1102 B5 1120 A4...
  • Page 41 7B-4 7B-4 Electrical Partslist ECO6 SYSTEMS CENELEC MISCELLANEOUS RESISTORS DIODES ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1101 2422 015 19376 SOCKET CLICKFIT 2P 3128 © 4822 117 11449 2,2kΩ 0,1W 6105 © 4822 130 83075 HN1V02H USA only LW only 1102 4822 267 10283 SOCKET COAX, IEC 75Ω...
  • Page 42 TAPE BOARD TABLE OF CONTENTS Remark: For Ver. 22, the whole Tape Board Ass'y can be orderd with 12nc: 9940 000 01508 PCB Layout Top View ............8-2 PCB Layout Bottom View ..........8-2 Circuit Diagram ..............8-3 Electrical Parts List ............8-4...
  • Page 43 PCB LAYOUT - TAPE BOARD (TOP VIEW) PCB LAYOUT - TAPE BOARD (BOTTOM VIEW)
  • Page 44 CIRCUIT DIAGRAM - TAPE BOARD...
  • Page 45 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 46: Power Board

    POWER BOARD TABLE OF CONTENTS Remark: For Ver. 22, the whole Power Board Ass'y can be orderd with 12nc: 9940 000 01507 PCB Layout Top View ............9-2 PCB Layout Bottom View ..........9-2 Circuit Diagram ..............9-3 Electrical Parts List ............9-4...
  • Page 47 PCB LAYOUT - POWER BOARD (TOP VIEW) PCB LAYOUT - POWER BOARD (BOTTOM VIEW)
  • Page 48 CIRCUIT DIAGRAM - POWER BOARD...
  • Page 49 ELECTRICAL PARTS - POWER BOARD 1206 9940 000 01323 SWITCH /21 1202 9940 000 01228 FUSE RADIAL F200MA/250V 1203 9940 000 01231 FUSE RADIAL T1.25A 250V 1204 9940 000 01229 FUSE RADIAL T200MA/250V 1210 9940 000 01232 RELAY ME-12H 30VDC 2222 9940 000 01224 SAFETY CAP 250V 0.0022µF +/-20%...

  • Page 50: Table Of Contents

    10-1 3CDC-LC-MP3CD2002 (3 Disc Carousel Changer+MP3 Board) Layout stage .2 TABLE OF CONTENTS Service Hints ..............10-2 Wiring Diagram ..............10-4 Blockdiagram ..............10-5 CD P Component Layout Main Board ........10-6 Circuit Diagram ............10-7 MP3 P Component Layout Main Board ........10-8 Circuit Diagram ............10-9 Exploded View...............10-10 Partslist................10-12...

  • Page 51: Service Hints

    10-2 Service hints CAUTION CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE CD DRIVE ELECTRONICS WHEN CONNECTING A NEW CD MECHANISM. THAT´S WHY, BESIDES THE SAFETY MEASURES LIKE • SWITCH OFF POWER SUPPLY • ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN. The following steps have to be done when replacing the CD mechanism: 1.
  • Page 52 10-3 Service hints Dismantling of Tray 1. Open the tray. 2. Release 2x catch as shown in fig. 2 and Detail A 3. Pull tray out. Detail A fig.2 Assembling of Tray 1. Turn Cam (pos. 48) clockwise to end position.
  • Page 53 10-4 Wiring Disc Motor Inner switch Slide Motor Service Position...
  • Page 54 10-5 10-5 Blockdiagram BLOCK DIAGRAM 3CDC-LC MP3 Version CD MECHANISM MAINBOARD VAM2201 5,17,21,52,57 +3,3V DISC 1805 7802 7816 7802 TDA7073A FOC + TURNTABLE CD LEFT MOTOR FOCUS MOTOR FOC - Active low pass Analog Audio Filter TDA1308 RAD + RADIAL CD RIGHT MOTOR RAD -...
  • Page 55 10-6 10-6 Mapping Copperside Componentside 2800 E4 3730 C3 3848 D3 4823 E3 1451 B5 2801 D4 3731 C2 3849 C3 4824 C5 1455 A4 2802 E4 3732 C2 3850 D1 4825 B4 2450 C1 3CDC-LC-MP3CD2002 Copperside view 3CDC-LC-MP3CD2002 Components seen from Copperside 2803 D4 3733 C2 3853 E4...
  • Page 56 10-7 10-7 1800 1876 1883 2807 2815 2823 2834 2842 2867 2879 3715 3742 3751 3761 3770 3802 3812 3820 3828 3837 3846 3856 3871 3891 7801 7813 1801 1876 2800 2808 2816 2824 2835 2843 2868 2880 3719 3743 3752 3762 3771...
  • Page 57 10-8 10-8 1460 A3 3449 C3 3460 C2 3482 B2 3492 A3 6450 C2 1451 B5 2457 A2 2469 B4 3469 C4 3479 A2 4450 A4 2456 A4 3452 B2 3461 B5 3483 B2 3493 B2 7450 B4 1455 A4 2461 D4 2472 D3 3470 D3...
  • Page 58 10-9 10-9 MP3-CD-2002 2451 B5 2452 B2 2453 B4 2454 B7 only for FLASH version 2455 C2 2456 C12 2450 3465 2457 D9 2458 C10 100n 100R +3.3V +3.3V +core 2459 D2 +3.3V 2460 E13 7458 AD16 2461 D12 +1.5V 2462 D2 +3.3V EEPROM...
  • Page 59 10-10 10-10 EXPLODED VIEW (3CDC-LC M ODULE MECHANICAL PARTS Loader ––––––––––––––––––––––––––––––––––––––––––––––––––––– 20 3103 304 66500 DRAWER BLACK 21 3140 114 29070 PRESSURE RING-DA11 23 3140 111 21270 METAL RING-DA11 30 3103 304 66560 SUPPORT 45 5x 31 4822 529 10386 RUBBER DAMPER CD DRIVE, REAR 32 4822 529 10387 RUBBER DAMPER CD DRIVE, FRONT 33 3103 304 06970 WASHER 35 3103 309 05350 CD DRIVE MCD1B...
  • Page 60 10-11 Drawer bottom view MECHANICAL PARTS Drawer ––––––––––––––––––––––––––––––––––––––––––––––––––––– 20 3103 304 66500 DRAWER BLACK 21 3103 304 66490 CAROUSEL BLACK 22 3103 304 06860 PULLEY-DRAWER 23 3103 304 06850 ECCENTRIC GEAR WHEEL 24 3103 304 06980 NAIL FIXATION 25 3103 304 66850 DRIVING BELT CAROUSEL 27 4822 532 12365 BUSH DRAWER (height=5,5mm,d=9,4mm) 29 3103 304 66550 BRACKET-DISC 30 3103 304 66520 TUMBLER...
  • Page 61 10-12 ELECTRICAL PARTSLIST 3CDC-LC MODULE –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– MISCELLANEOUS CAPACITORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 4822 361 10753 CAROUSEL MOTOR 2867 © 4822 126 13883 220pF 4822 361 10753 TRAY MOTOR 2868 © 2020 552 94427 100pF 1800 2422 025 17389 FFC-CONNECTOR 16Pin 2869 © 2020 552 94427 100pF 1805 4822 265 10979...
  • Page 62 10-13 ELECTRICAL PARTSLIST 3CDC-LC MODULE –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– RESISTORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3810 © 4822 051 30471 470Ω 0,06W 4707 © 4822 051 20008 CHIP JUMPER 0805 3811 © 4822 051 30273 27kΩ 0,06W 4708 © 4822 051 20008 CHIP JUMPER 0805 3812 ©...
  • Page 63 10-14 ELECTRICAL PARTSLIST 3CDC-LC MODULE –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– RESISTORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 4841 © 4822 051 20008 CHIP JUMPER 0805 4892 © 4822 051 20008 CHIP JUMPER 0805 4842 © 4822 051 20008 CHIP JUMPER 0805 4893 © 4822 051 20008 CHIP JUMPER 0805 4844 ©...
  • Page 64 10-15 ELECTRICAL PARTSLIST MP3CD2002 MODULE –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– MISCELLANEOUS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3474 © 4822 117 12971 15Ω 0,06W 3103 308 67020 complete MP3CD2002 Module 1451 2422 025 17303 FLEX FOIL CONNECTOR 19P 3475 © 4822 051 30101 100Ω 0,06W 3476 © 4822 051 30101 100Ω...
  • Page 65 11-1 11-1 MECHANICAL EXPLODED VIEW SCREW LIST DESCRIPTION. QTY. HARDEN SCREW 3X10 SELF TAPPING SCREW 3X12 SELF TAPPING SCREW 3X14 HARDEN SCREW/WH 3X12 HARDEN SCREW STT3X6 HARDEN SCREW TT3X8 HARDEN SCREW TT/WH3X6 HARDEN SCREW TT/WH 3X10...
  • Page 66 11-2 11-2 MECHANICAL & ACCESSORIES ELECTRICAL PARTS - MISCELLANEOUS 9940 000 01275 CDC TRAY DOOR /22 9940 000 01264 FOOT RUBBER 4MM 9940 000 01254 TRANSFORMER 230V /22 9940 000 01331 CDC TRAY DOOR /21/30 9940 000 01269 3CD MECH CASING ASS'Y 9940 000 01326 TRANSFORMER 127-240V /21 9940 000 01292...

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Fwm35/21mFwm35/22Fwm35/30

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