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Mini Hi-Fi System
TABLE OF CONTENTS
Technical specification ...........................................................1-14
Safety instruction......................................................................2-1
ESD protection..........................................................................2-4
Set Block diagram ....................................................................3-1
Set Wiring diagram ...................................................................4-1
Disassembly diagram ...............................................................5-1
Main and jack board
AMP
MCU
Mechanical Exploded view.......................................................9-1
©
Copyright 2013 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.
344
Published by LX 1
Service Audio
Version 1.0
Circuit diagram.......................................................6-1...6-2...6-3
Layout diagram................................................................6-4..6-5
board
Circuit diagram........................................................................7-1
Layout diagram.......................................................................7-2
board and CD board
Circuit diagram...............................................................8-1...8-2
Layout diagram..............................................................8-3...8-4
Printed in The Netherlands
Page
Subject to modi cation
NTRX710/
all
3140 038 60900
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Summary of Contents for Philips NTRX710
- Page 1 Mechanical Exploded view............9-1 © Copyright 2013 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 Volume Board Main Board Tuner Board MIC Board CD Board Jack Board BT Board Amp Board SMPS Board VERSION VARIATION Type /Versions: NTRX710 x/78 Service policy Board in used: (LATAM) (BRAZIL) (ARGENTINA) MAIN BOARD VOLUME BOARD AMP BOARD DJ EFFECT BOARD...
- Page 3 NX5 NX7 ALL SH190 Contact List Descrpitopn Page...
- Page 4 Tested according to General Test Instruction refer to PHILIPS standary ( UAN -D1591 ) Measured according to PHILIPS standary ( UAN - L1059 ) unless other wise stated All not mentioned date, please refer to PHILIPS standary ( XUW - 0010 - JUNE 2001 ) DERIVED...
- Page 5 TECHNIAL DESCRIPTION Total power 500W FOR NX5 1000W FOR NX7 ), FOUR INPUT SOURCE, ( Digital Sound Control ). IS ( Incredible Sound ) GENERAL PART OUTPUT stage Protection : Yes Temperature : Yes. Shorcircuit : Yes LoudSpeaker D.C. Protection : Yes.
- Page 6 AUDIO SIGNAL PROCESSING MP3-USB Mini Hi Fi System with Digital Tuner ,Class AB Power Amplifier DSC ( Digital Sound Control ) Select AUX as input source with the following set conditions: Inject sine wave 2V at 1 KHz to L/R channels of AUX-IN socket. Set DSC to JAZZ(Flat) mode and switch off DBB.
- Page 7 AUDIO SIGNAL PROCESSING MP3 - USB Mini Hi Fi System with Digital Tuner , 1CDCfor NX5 NX7 ALL IS ( Incredible Sound ) Select AUX as input source. Inject sine wave 2V at 1kHz to AUX-IN socket, one channel at a time (input level 500mV for /37,2V for /55 ). Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM &...
- Page 8 TECHNIAL DESCRIPTION AUX modle GENERAL PART Description Specification Output power = , 1 Khz ) 125W± 1 Db(NX5) 250W± 1 Db(NX7) Channel Unbalance < = +/- 3 dB THD + Noise ( 0dB, 1Khz ) <=2% Channel Crosstalk ( ( 0dB, 1 KHz ) >= 40dB ( 0 dB, 10 KHz ) >= 40dB...
- Page 9 TECHNIAL DESCRIPTION SOFTWARE IMPLEMENTED CLOCK / TIMER FUNCTION WITHOUT 32.768KHZ QUARTZ OSCILLATOR. GENERAL PART Timer Setting Clock and Timer Timer Wakeup Mode CD USB or Tuner Remarks Time Setting 12hr for /37 version, 24hrs for other version. Volume at Wakeup Last Setting Nom : 1 sec/day Limit...
- Page 10 1-10 TECHNIAL DESCRIPTION See also SH 190 USB Audio Module (300605) Measurment are directly done at the coonector on the board GENERAL PART Measurement are directly done at the connector on CDC board Description Specification Output Resistance < = 1.5 kOhm Output Voltage RL = 33 k ohm dB, 1 Khz Channel Unbalance <...
- Page 11 1-11 TECHNIAL DESCRIPTION GENERAL PART WAVE RANGE TOLERANCE TUNING GRID FM( 55/37 ) 87.5 - 108.00 MHz QUARTZ PRECISION 100 kHz FM( 12 ) 87.5 - 108.00 MHz 50KHZ AM (55/37) 530 - 1700 QUARTZ PRECISION 10 kHz AM (12) 531 - 1602 QUARTZ PRECISION 9 kHz...
- Page 12 1-12 TECHNIAL DESCRIPTION Bluetooth Function GENERAL PART Bluetooth Version : Ver2.1 + EDR Receive A2DP: Transmit A2DP: Remote Controlled Receive HSP Noise Reduction System INDICATORS Bluetooth Flashing Display ELECTRICAL DATA Bluetooth at Module level: Mobile Phone Unit Frequency Response 125-16khz S/N (Unweighted) S/N (A-weighted) Level Diff...
- Page 13 1-13 TECHNIAL DESCRIPTION CD + MP3 - Part Specifications (CD MECHAISM DA11VF OF SANYO ) 1DISC for NX5 NX7 ALL Input Output Motor Logic control Active components SA5888 BU9543 Signal processsing D/A converter HF-preamplifier Servo processor Active components BU9543 BU9543 DA23SR AUDIO part: Measurement with Audio Signals Disc TCD-781 on spkeakers or Headphone socket with nom.load Extern...
- Page 14 1-14 VERSION OVERVIEW (NX5 NX7) ALL APPROBATION TUNER AC SUPPLY DEST SURR MAINS SAFETY Wave RANGE GRID AERIAL SOCKET AERIAL SUPPLIED SOC. CORD . SPK. VOLTAGE EN60065 110-127V FM 87.5-108MHz MW 50kHz CLASS II 75 Ohm Coaxial 75 Ohm Pigtail Switched /55 /98 CISPR 13...
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Page 15: Class 1 Laser Product
2.0 SAFTETY INSTRUCTIONS 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. -
Page 16: Esd Protection
2.1 ESD PROTECTION When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electrocity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened. -
Page 17: Safty Precautions
SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor. not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 per volt or more sensitivity. -
Page 18: Safety Instructions
2.2 SAFETY INSTRUCTIONS Battery Handling Guideline Since the battery is packed in soft package, to ensure its good performance, it’s very important to carefully handle the battery 2.2.1 Soft Aluminium foil The soft aluminum packing foil is very easily damaged by sharp edge parts such as Ni-tabs, pins and needles. •... - Page 19 BLOCK DIAGRAM...
- Page 20 OUTER 1) Remove 46 screws A/B/C/D/E/F/G as indicated to loosen the top/front/bottom plate. Dismantling of the PCB Board 1) Remove 4 spacer supports H as indicated to loosen the CD Board. 2) Remove 13 screws I and 8 screws J as indicated to loosen the Main Board. 3) Remove 4 screws K as indicated to loosen the Smps power Board.
- Page 21 CIRCUIT DIAGRAM - MAIN BOARD AND JACK BOARD...
- Page 24 PCB LAYOUT - MAIN BOARD...
- Page 25 PCB LAYOUT - JACK BOARD...
- Page 26 CIRCUIT DIAGRAM - AMP BOARD...
- Page 27 PCB LAYOUT - AMP BOARD...
- Page 28 CIRCUIT DIAGRAM - MCU BOARD AND CD BOARD...
- Page 29 CIRCUIT DIAGRAM - MCU BOARD AND CD BOARD...
- Page 30 PCB LAYOUT - MCU + CD BOARD...
- Page 31 PCB LAYOUT - MCU + CD BOARD...
- Page 32 EXPLODED VIEW...
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