Philips MC145 Service Manual
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Micro System

TABLE OF CONTENTS

Handling Chip Components .......................................................... 1-1
Service Tools ................................................................................. 1-1
Leadfree and Safety Information ................................................... 1-2
Technical Specification .................................................................. 2-1
Service Measurement Setup ......................................................... 2-2
Alignment Instruction ..................................................................... 2-3
Connections and Controls ..................................................... 3-1...3-3
Disassembly Instruction ........................................................ 4-1...4-2
Set Block Diagram ........................................................................ 5-1
Set Wiring Diagram ....................................................................... 5-2
Display Board
Circuit diagram ......................................................................... 6-1
Layout diagram ........................................................................ 6-2
Combi Board
Circuit diagram (Tuner/Tape/Amp part) .................................... 7-1
Circuit diagram (CD part) ......................................................... 7-2
Layout diagram - top view ........................................................ 7-3
Layout diagram - bottom view .................................................. 7-4
Exploded View Diagram ................................................................ 8-1
Mechanical Partslist ...................................................................... 8-2
Accessories and Electrical Partslist ...................................... 9-1...9-3
©
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 YT 0605 Service Audio
Version 1.0
Printed in The Netherlands
Subject to modification
MC145
All version
© 3141 785 30680

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Summary of Contents for Philips MC145

  • Page 1: Table Of Contents

    Accessories and Electrical Partslist ........9-1...9-3 © 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: Handling Chip Components

    1 - 1 HANDLING CHIP COMPONENTS...
  • Page 3 1 - 2...
  • Page 4 2 - 1 SPECIFICATIONS GENERAL: AMPLIFIER: Mains voltage /37 : 120V Output power : 2 x 2 W RMS /55 : 110 / 220V switchable Speaker impedance : 8 ohm /79/93/98 : 220 – 240V Frequency response Mains frequency : 50/60 Hz Within r 3dB : 60Hz –...
  • Page 5: Service Measurement Setup

    2 - 2 SERVICE MEASUREMENT Tuner FW 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 6: Alignment Instruction

    2 - 3 ALIGNMENT INSTRUCTION AM I.F. ALIGNMENT 1. Set the POWER BUTTON to POWER "ON". 2. Set the FUNCTION SELECTOR SWITCH to RADIO & AM BAND. 3. Connect a SWEEPSCOPE OUTPUT to AM antenna terminal. 4. Connect a SWEEPSCOPE INPUT to pin 13 of IC1 through a 1uf capacitor and ground. STEP SET SIGNAL SET DIAL...
  • Page 7: Connections And Controls

    3 - 1 CONNECTION AND CONTROLS...
  • Page 8 3 - 2 CONNECTION AND CONTROLS à á É í ë...
  • Page 9 3 - 3 CONNECTION AND CONTROLS FM ANT 110V 220V AC ~...
  • Page 10: Disassembly Instruction

    4 - 1 DISASSEMBLY INSTRUCTION A. Remove Top Cabinet A1: Remove screws T3x8 (2 pcs) A2: Remove screws T3x8 (2 pcs) A3: Remove screws T3x10 (2 pcs) A4: Remove screws T3x10 (2 pcs) B. Remove CD Module C. Remove CD Module Cover B1: Remove screws T3x10 (2 pcs) C1: Remove screws T3x10 (6 pcs)
  • Page 11 4 - 2 4 - 2 DISASSEMBLY INSTRUCTION D. Remove CDM E. Remove Back Cabinet G. Remove PCB Bracket D: Remove special screws (4 pcs) E1: Remove screws T3x8 (2 pcs) G1: Remove screws T3x8 (3 pcs) F. Remove Cassette Board Assy and Tape Deck H.
  • Page 12: Set Block Diagram

    5 - 1 5 - 1 SET BLOCK DIAGRAM...
  • Page 13: Set Wiring Diagram

    5 - 2 5 - 2 SET WIRING DIAGRAM HEADPHONE PCB TRANSFOMER MAIN PCB CN101 CN103 TAPE PCB FM ANT MOTOR...
  • Page 14 6 - 1 6 - 1 CIRCUIT DIAGRAM - DISPLAY BOARD...
  • Page 15 6 - 2 6 - 2 LAYOUT DIAGRAM - DISPLAY BOARD COPPER SIDE COMPONENT SIDE...
  • Page 16: Circuit Diagram (Cd Part)

    7 - 1 7 - 1 CIRCUIT DIAGRAM - COMBI BOARD (TUNER/TAPE/AMP)
  • Page 17 7 - 2 7 - 2 CIRCUIT DIAGRAM - COMBI BOARD (CD part)
  • Page 18 7 - 3 7 - 3 LAYOUT DIAGRAM - COMBI BOARD (TOP VIEW)
  • Page 19 7 - 4 7 - 4 LAYOUT DIAGRAM - COMBI BOARD (BOTTOM VIEW)
  • Page 20: Exploded View Diagram

    8 - 1 8 - 1 EXPLODED VIEW DIAGRAM...
  • Page 21: Mechanical Partslist

    8 - 2 MECHANICAL PARTS LIST 9940 000 04381 TOP CAB 9940 000 04382 FRONT CAB 9940 000 04383 REAR CAB 9940 000 04384 CASS BRACKET 9940 000 04385 DISPLAY BRACKET 9940 000 04386 BTN BRACKET 9940 000 04387 TUN BOTTON BKT 9940 000 04388 TUN BKT 9940 000 04389...
  • Page 22 9 - 1 ACCESSORIES 9940 000 04334 REMOTE CONTROL ASS'Y 9940 000 04335 SPEAKER BOX ASS'Y (L/R) 9940 000 03633 AC CORD SET VDE APP (/55, /98) 9940 000 04411 AC CORD SET SAA APP (/79) 9940 000 02578 UL POWER CORD 6FT (/37) 9940 000 02186 AC CORD CCC APP 1.85M (/93) ELECTRICAL PARTS LIST DISPLAY BD ASS'Y...
  • Page 23 9 - 2 ELECTRICAL PARTS LIST MAIN BD ASS'Y 9940 000 04336 MAIN BD ASS'Y 9940 000 04355 FERRITE BAR 10X60MM 9940 000 04351 TRIMMER 20PF (RED) 9940 000 04351 TRIMMER 20PF (RED) 9940 000 00254 TRIMMER 10PF 6MM (WH) AM ANT 9940 000 04358 AM COIL (AD)/M7 65:20T 9940 000 03642 CER.
  • Page 24 9 - 3 ELECTRICAL PARTS LIST MAIN BD ASS'Y (cont'd) IC102 9940 000 02844 IC TA2157FN IC103 9322 131 04668 IC SM M24C01-WMN6 (ST00) R IC104 9940 000 02104 IC D9258 MOTOR DRIVERCD IC106 9940 000 04349 IC XC61CN4702PR IC501 9940 000 04345 IC KA7806E IC503 9940 000 00253 IC (SAMSUNG) KA7808...

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