Philips-MAS-55-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.1 FWC5, MAS55 3141 785 30351 Mini System all versions Published by YT 0521 Service Audio Printed in The Netherlands Subject to modification Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored

2、 in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Handling chip components . 1-1 Leadfree and safety information . 1-2 Technical specification . 2-1 Service tools . 2-1 Service measurement s

3、etup . 2-2 Connections and controls .3-1.3-3 Disassembly diagram . 4-1 Block diagram . 5-1 Wiring diagram . 5-2 Radio board circuit diagram . 6-1 layout diagram . 6-2 Cassette board circuit diagram . 7-1 layout diagram . 7-2 CD board circuit diagram. . 8-1 layout diagram . 8-2 Control and Main board

4、 circuit diagram (control board) . 9-1 circuit diagram (main board) . 9-2 layout diagram . 9-3 Exploded view diagram . 10-1 .10-2 Mechanical partslist . 10-2 Electrical partslist .11-1 TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 1 - 1 HANDLING CHIP COMPONENTS RadioFans.CN 收音机爱 好者资料库 1 - 2 RadioFans.CN

5、 收音机爱 好者资料库 2 - 1 2 - 2 SERVICE MEASUREMENT 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 Tuner FW Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 3

6、8kHz). Ri=50 Bandpass 250Hz-15kHz e.g. 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

7、filter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CDRECORDER Use Audio Signal Disc SBC429 4822 397 30184 (replaces test di

8、sc 3) Use Universal Test Cassette Fe SBC420 4822 397 30071 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT LF Generator e.g. PM5110 Ri=50 3 - 1 CONNECTION AND CONTROLS 3 - 2 CONNECTION AND CONTROLS xx3 - 3 CONNECTION AND CONTROLS For m

9、ore information onoperation instruction please visit Philips Audio internet site : xx4 - 1 DISASSEMBLY DIADRAMS A. Remove Back Cabinet ? ? ? ? ? ? ? Screws SP3x10 (2 pcs.) ? Screws SP3x25 (5 pcs.) ? Screws SP3x8 (5 pcs.) B. Remove Top Cabinet and Main PCB Assembly ? Screws SP3x10 Washer head (3 pcs.

10、) xx5 - 1 BLOCK DIADRAMS 5 - 25 - 2 SET WIRING DIAGRAM 6 - 16 - 1 CIRCUIT DIAGRAM - RADIO BOARD 6 - 26 - 2 LAYOUT DIAGRAM - RADIO BOARD COMPONENT SIDECOPPER SIDE 7 - 17 - 1 CIRCUIT DIAGRAM - CASSETTE BOARD 7 - 2 LAYOUT DIAGRAM - CASSETTE BOARD 7 - 2 COMPONENT SIDECOPPER SIDE 8 - 18 - 1 CIRCUIT DIAGR

11、AM - CD BOARD 8 - 28 - 2 LAYOUT DIAGRAM - CASSETTE BOARD COMPONENT SIDECOPPER SIDE 9 - 19 - 1 CIRCUIT DIAGRAM - CONTROL BOARD 9 - 29 - 2 CIRCUIT DIAGRAM - MAIN BOARD 9 - 39 - 3 LAYOUT DIAGRAM - CONTROL AND MAIN BOARD 10 - 110 - 1 50 6 9 8 S1 15 11 14 13 S2 19 12 10 16 17 52 51 3 1 2 5 4 7 22 21 18 2

12、0 S3 S4 EXPLODED VIEW DIAGRAM Enclosure Assembly Front Cabinet 56 55 54 23 24 S5 40 S12 25 S831 S6 S7 28 26 27 29 30 35 S9 33 34 S11 36 S10 37 38 32 39 FRONT CABINET ASSEMBLY CD + FRONT CABINET ASSEMBLY 10 - 210 - 2 EXPLODED VIEW DIAGRAM Enclosure Assembly CD Parts & Front Cabinet 46 53 49 S21 47 41

13、 S13 44 S15 S14 43 S16 42 S20S19 48 S17 S18 S23 S22 FWC5MAS55DESCRIPTION 39940 000 017539940 000 01776RIGHT CASS DOOR 49940 000 017529940 000 01775LEFT CASS DOOR 79940 000 017439940 000 01743CASS DOOR SPPING 149940 000 017569940 000 01779EQ KNOB 159940 000 017549940 000 01777BASS KNOB 16 9940 000 01

14、7659940 000 01785FUNCTION KNOB17 9940 000 017649940 000 01784CONTROL KNOB 189940 000 017599940 000 01759CASS DOOR GEAR 199940 000 017619940 000 01761CASS DOOR GEAR HOLDER 209940 000 017589940 000 01782RIGHT CASS KNOB 229940 000 017389940 000 01738CASS DECK HY-21SW-718 289940 000 017349940 000 01734C

15、D DECK MECHANISM DA11MM 319940 000 017629940 000 01762CD TRAY 329940 000 017429940 000 01742SPRING FOR CD DOOR 339940 000 017419940 000 01741LEAF SWITCH LS-N35 389940 000 017449940 000 01744CD DOOR LOCK 399940 000 017639940 000 01783CD DOOR 499940 000 017519940 000 01774BACK CABINET 509940 000 01749

16、9940 000 01773FRONT CABINET 519940 000 017559940 000 01778VOLUME KNOB CD + FRONT + BACK CABINET ASSEMBLY MECHANICAL PARTS LIST 11 - 1 ACCESSORIES 9940 000 01739AM EXTERNAL ANT. LOOP 9940 000 01766REMOTE CONTROL FWC5(FWC5) 9940 000 01772REMOTE CONTROL MAS55(MAS55) 9940 000 01927COMPLETE SPEAKER BOX(F

17、WC5) 9940 000 01928COMPLETE SPEAKER BOX(MAS55) 9940 000 01745POWER CORD SET VDE/21 9940 000 02061POWER CORD SET (ARG)/77 ELECTRICAL PARTS LIST TUNER BOARDCONTROL BOARD IC1019940 000 01707I.C. LA1823-ESIAD7179940 000 01729LED 5MM 53B3SC08 IC1029940 000 01708I.C. LC72131D7189940 000 01729LED 5MM 53B3S

18、C08 L1039940 000 01713I.F.T. ANT OSC REDIC7019940 000 03836I.C. LC-587008-IN69 T1019940 000 01712I.F.T OSC RED 10MM MWIC7029940 000 01724I.C. PST600L T1039940 000 01714I.F.T YELLOW 10MMJK7019940 000 01769HEAD PHONE JACK VD1019940 000 01709DIODE VCD/SVC201LCD7019940 000 01726LCD DISPLAY VD1029940 000

19、 01709DIODE VCD/SVC201SW7029940 000 01725TACT SWITCH VD1039940 000 01711DIODE VCD/SVC348SW7039940 000 01725TACT SWITCH SW7049940 000 01725TACT SWITCH SW7059940 000 01725TACT SWITCH CASSETTE BOARD SW7069940 000 01725TACT SWITCH IC2019940 000 01736I.C. BA3416BLSW7079940 000 01725TACT SWITCH IC2029940

20、000 01735I.C. B-3308 DUAL MODELSW7089940 000 01725TACT SWITCH SW2019940 000 01737RECORDING SW. PS-62D01-SSW7099940 000 01725TACT SWITCH SW7109940 000 01725TACT SWITCH CD BOARDSW7119940 000 01725TACT SWITCH SW7129940 000 01725TACT SWITCH IC9019940 000 01732I.C. LA9242MSW7139940 000 01725TACT SWITCH I

21、C9029940 000 01733I.C. LC78629ESW7149940 000 01725TACT SWITCH IC9039940 000 01731I.C. LA6541DSW7159940 000 01725TACT SWITCH M39940 000 01771LEAF SW. LS-053-02 9940 000 01734CD MECHANISM DA11MMSW7169940 000 01725TACT SWITCH SW7179940 000 01725TACT SWITCH VR7019940 000 01728ROTARY ENCODER 9940 000 038

22、35 CONTROL BOARD ASSYMAIN BOARD IC3019940 000 01715I.C. LA4628 IC5019940 000 01716I.C. LC75342 JK1019940 000 01719ANTENNA JACK 75 OHM JK6019940 000 01721RCA JACK RED/WHITE JK8019940 000 01722SPEAKER TERMINAL WP-408 SW2039940 000 01717TACT SWITCH(FWC5) SW2039940 000 01767TACT SWITCH V-TYPE(MAS55) SW8

23、019940 000 01718SLIDE SW. SK22F03G12(FWC5) SW8019940 000 01768SLIDE SW. SK22F03G6 0306(MAS55) MISCELLANEOUS 9940 000 01746POWER TRANSFORMER 9940 000 01747SPEAKER 2 4 OHM 12.5W 9940 000 01748SPEAKER 5 6 OHM 15W ! ! ! 12 - 1 REVISION LIST Version 1.0 (3141 785 30350) First issue Version 1.1 (3141 785 30351) Page 10-2 Update mechanical parts list: Pos. 16 and 17 exchanged. Page 11-1 Update electrical parts list: Add Control Board Assembly and IC701 is replaced.