Philips FX20 - User Manual

© Copyright 2014 WOOX Innovations Limited.
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 WOOX Innovations. Philips and the Philips’Shield Emblem are
registered trademarks of Koninklijke Philips N.V. and are used by WOOX Innovations Limited
under license from Koninklijke Philips N.V.
Subject to modification
Version 1.1
TABLE OF CONTENTS
Page
Location of PC Boards & Versions Variation ........................1
Specifi cations .......................................................................2
Safety Instruction ..................................................................3
Software Upgrade Instruction..................................................4
Troubleshooting....................................................................5
Disassembly Instructions .....................................................6
Set Block & Wiring Diagram .................................................7
Circuit Diagram & PCBA Layout...........................................8
Revision List ........................................................................ 10
Set Mechanical Exploded View .......................................... 9
Mini Speaker
FX20/55/X78/X77
Published by Arya
& Kelly WK1419
3140 038 61871

Philips FX20 Specifications

General

Brand	Philips
Model	FX20
Category	Speakers
Language	English

Summary

General Information and Requirement

Safety Standards

EMC Requirements

ESD Requirements

Technical Specifications

Power Supply

Details the product's power supply specifications and variations.

Surge Immunity (Lightning Test)

Mains Drop-out Immunity

Audio

Covers audio input/output specifications and performance.

Bluetooth

Details the Bluetooth module specifications and capabilities.

Tuner

Software Operation

Software Upgrade via USB

Troubleshooting

Power on Doesnt Work

Flowchart for diagnosing and resolving power-on issues.

USB Read or Sound Issues

Troubleshooting steps for problems reading USB or no sound from USB.

NFC Connection Failure

Diagnostic steps for issues with NFC connection.

Bluetooth No Sound

Troubleshooting guide for when Bluetooth audio is not working.

FM, AUX, MP3 No Sound

Steps to resolve no sound issues for FM, AUX, and MP3 sources.

Mechanical and Dismantling Instructions

Dismantling Procedure

Step-by-step guide for disassembling the product.

Block Diagram

Wiring Diagram

Circuit Diagrams

Support Board Circuit Diagram

Electrical schematic for the support board.

Key Board Circuit Diagram

Electrical schematic for the key board.

USB Board Circuit Diagram

Electrical schematic for the USB board.

IN Board Circuit Diagram

Electrical schematic for the IN board.

Front Control Board Circuit Diagram

Electrical schematic for the front control board.

Power Board Circuit Diagram

Electrical schematic for the power board.

Main Board Power Circuit Diagram

Main Board SP8104 WW Circuit Diagram

Main Board SDRAM & USB Circuit Diagram

Main Board FM;AUDIO Circuit Diagram

Main Board MCU Circuit Diagram

Main Board STA311 B Circuit Diagram

Main Board AMP ST518*2 Circuit Diagram

Print Layouts