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Philips MCM1050B Service Manual
Philips MCM1050B Service Manual

Philips MCM1050B Service Manual

Micro audio system
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Micro Audio System
C
o
n
e t
n
s t
.................................................1-1 to 1-7
2 Laser Beam Safety Precautions......................................... 2-1
3 Important Safety Precautions .................................. 3-1 to 3-2
4 Safety Check After Servicing ............................................. 4-1
Requirements .................................................................... 5-1
7 Direction of Use ....................................................... 7-1 to 7-2
8 Cabinet Disassembly Instructions ........................... 8-1 to 8-2
9 Troubleshooting ................................................................. 9-1
10 Block Diagram .................................................................10-1
11 Wiring Diagram ...............................................................11-1
12 DC/MP3 Link/WPS Board
Circuit Diagram ....................................................12-1
Layout Diagram ...................................................12-1
13 Key Board
Circuit Diagram ................................................12-2
Layout Diagram ...............................................12-3
© Copyright 2011 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 Sophie-KM 122901 AVM
Version 1.0
P
a
g
e
Contents
14 AMP Board
15 MCU Board
16 Exploded View.....................................................................13-1
17 Revision List ........................................................................14-1
Printed in the Netherlands
MCM1050B/12/58
Circuit Diagram .................................................12-4
Layout Diagram.................................................12-5
Circuit Diagram .................................................12-6
Layout Diagram ................................................12-7
Feature
Different
Features
RDS
Voltage Selector
ECO Standby
DTS
Subject to modi cation
Page
/12
/58
EN

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Summary of Contents for Philips MCM1050B

  • Page 1: Table Of Contents

    Feature Different Features © Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a Voltage Selector retrieval system or transmitted, in any form or by any means, electronic, ECO Standby mechanical, photocopying, or otherwise without the prior permission of Philips.
  • Page 2: Technical Specification And Connection Facilities

    Technical Specification and Connection Facilities 1.Location of PC Boards Display Board Power Board Decoder Board AMP Board Version Variations Type /Versions: MCM1050B Service policy Board in used: AMP Board Decoder Board Display Board Power Board Type /Versions MCM1050B Feature diffrence...
  • Page 3 Technical Specification and Connection Facilities 2. General Information and Requirement Product Family Features 2.1.1 Identity and Key Features MCM1050 series are Micro Audio System with CD/MP3 player with USB and Tuner FM(20presets) Elements to include as generic requirements: 1. Detachable mains cord 2.
  • Page 4 Technical Specification and Connection Facilities 2.1.3 External I/O Connections Model MCM1050 Stroke Version iPod dock with Authentication chip √ MP3 Link √ (3.5mm audio jack) Tuner Socket √ (for FM) Headphone Out √ (3.5mm audio jack) 2.1.4 Controls, Local Display and LED Indications(tbc) Control keys on the set are: 1.
  • Page 5 Technical Specification and Connection Facilities Mechanical General Information The product appearances and functions are defined in their respective MUS. Product management approves the MUS and it is a leading document where product appearance is applicable. Please refer to Sh560 for mechanical information. Safety Standards Where applicable: For /12 (EU), /05 (UK), /51 (Russia)
  • Page 6 Technical Specification and Connection Facilities General requirement: 1. 10 arcs for positive and negative polarity for unit “on” and “off” for 1kV incremental steps. 2. Component or mechanical damage is not allowed. No loss of fixed stored data (stored in EEPROMs). 3.
  • Page 7 Technical Specification and Connection Facilities 3.1.2 Surge Immunity (Lightning Test) The product shall withstand mains interference’s of: Differential mode: 2kV/2 ohm criteria C for Europe. 6kV/12 ohm criteria C for NAFTA. Parameters: Bi-wave Open circuit voltage: 2/50us Short circuit current: 8/20us From +/1kV to +/-2kV (for Europe) or +/-6kV (for Nafta) in steps of 1kV.
  • Page 8 Technical Specification and Connection Facilities 3.1.4 Power Consumption Power consumption at nominal AC input: 1. CD play mode at 1/8 P-rated output power MCM1050: 2. Low Power Standby Mode : 0.5 W Technical Description Output Stage Protection: Temperature : Short Circuit: v i t Electrical Data Limit...
  • Page 9 Technical Specification and Connection Facilities TUNER FM use Silicon Lab Si4704/4705(w/RDS) GENARAL PART WAVE RANGE VERSION TOLERANCE TUNING GRID FM 87.5 – 108.00 MHz QUARTZ PRECISION 50kHz FM 87.5 – 108.00 MHz QUARTZ PRECISION 100kHz AERIAL : PIG TAIL ANT WIRE 75Ω ELECTRICAL DATA i t i t i v...
  • Page 10: Laser Beam Safety Precautions

    Laser Beam Safety Precautions This Blu-Ray player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.
  • Page 11: Important Safety Precautions

    Do not insert warped or cracked discs into the disc compartment. the combined weight of the product and the wall mount. Koninklijke Philips Remove discs from the disc compartment if you are not using the product for an Electronics N.V. bears no responsibility extended period of time.
  • Page 12 Important Safety Precautions Disposal of your old product and batteries Your product is designed and manufactured with high quality materials and components, which can be recycled and reused. When this crossed-out wheeled bin symbol is attached to a product it means that the product is covered by the European Directive 2002/96/EC.
  • Page 13: Safety Check After Servicing

    Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.
  • Page 14: Safety Information General Notes & Lead Free Requirements

    Safety Information, General Notes & Lead Free Requirements Safety Instructions Warnings General Safety General Safety regulations require that during a repair: All ICs and many other semiconductors are susceptible to Connect the unit to the mains via an isolation transformer. electrostatic discharges (ESD, ).
  • Page 15: Standard Notes For Servicing,Lead Free Requirements & Handling Flat Pack Ic

    When soldering, be sure to use the Pb free solder. indicated as shown. Information about lead-free soldering Top View Bottom View Philips CE is producing lead-free sets from 1.1.2005 onwards. Input IDENTIFICATION Regardless of special logo (not always 2. For other ICs, pin 1 and every fifth pin are indicated) indicated as shown.
  • Page 16 2004), containing leaded solder-alloy and components, all needed spare-parts will be available till the end of the service-period. For repair of such sets nothing changes. On our website www.atyourservice.ce.Philips.com you find more Fig. S-1-1 information to: BGA-de-/soldering (+ baking instructions) 2.
  • Page 17 Standard Notes for Servicing, Lead Free Requirements & Handling Flat Pack IC 3. The flat pack-IC on the CBA is affixed with glue, so 4. Release the flat pack-IC from the CBA using be careful not to break or damage the foil of each tweezers.
  • Page 18 Standard Notes for Servicing, Lead Free Requirements & Handling Flat Pack IC Instructions for Handling Semi- 2. Installation conductors 1. Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by easily.
  • Page 19: Troubleshooting

    Troubleshooting FLOW CHART NO.1 No sound from whole unit check if speaker is ok check and change speaker and output wire check if public circuit of whole unit check radio tube and periphery circuit AMP circuit is ok check if power supply circuit of whole check and change transormer of power supply and power commutate circuit unit is ok...
  • Page 20 Troubleshooting no search from CD check if supply +12V of decoding board is normal check steady circuit check if laser head ass'y can light normally decoding board is broken check if tie wires of laser head ass'y check and change good laser head ass'y is loosen and broken laser head ass'y broken...
  • Page 33: Revision List

    Revision List Revision List Version 1.0 * Initial Release 14-1...