Philips-NTRX-505-Service-Manual电路原理图.pdf

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1、allTABLE OF CONTENTSChapterTechnical specification .1-14Safety instruction.2-1Set Block diagram .3-1Set Wiring diagram.4-1Disassembly diagram .5-1Main and jack boardCircuit diagram.6-1.6-2.6-3Layout diagram.6-4.6-5AMP boardCircuit diagram.7-1Layout diagram.7-2MCU board and CD boardCircuit diagram.8-

2、1.8-2Layout diagram.8-3.8-4Mechanical Exploded view.9-1Version 1.0Mini Hi-Fi SystemNTRX505/3140 038 62280All rights reserved. No part of this publication may be reproduced, stored in a retrieval system Copyright 2014 WOOX Innovations Limited.or transmitted, in any form or by any means, electronic, m

3、echanical, photocopying, or otherwisewithout the prior permission of WOOX Innovations. Philips and the PhilipsShield Emblem areregistered trademarks of Koninklijke Philips N.V. and are used by WOOX Innovations Limited under license from Koninklijke Philips N.V.Published by Fei 239W x 4 FOR NX7 ALL P

4、ower Amplifier, LCD Display, Aux in , Remote controlSupply + AmplifierIXLIFETIME : 7 YearsClass Tuner USB RecorderVersion Safety EMCX811III3-7 9SAFETY requirementsN/APage 10II X XPOWER SUPPLYEN 60065/98 EN 60065 CISPR 13/55 EN 60065 CISPR 13/12 EN 60065: + 5 Dregree till + 35 DegreeMODERATE climates

5、 : + N.A till N.A Degree/05 EN 60065 EN 55013 / EN 55020PERFORMANCE CLASSES120 Vac (110V-10%,120V 10%)MAINS ( A.C. )RADIATION / IMMUNITY requirments ( EMC ) for 12 version only127 / 240 Vac 15 %CLIMATIC requirements ALL climates230 Vac 10 %/ 12 /05FrequencyVoltage SelectionCISPR 13/37 UL 60065 FCC99

6、/79VersionNo60Hz 5%No50Hz/ 37or )( *1 ) Electrical parameters are to be measuremend at specker terminalswith rated input signal in AUX mode; DSC setting in Jazee mode with DBB OFF: 3 Ohms RemarksRated Impedance Power output ( RMS ) FOR NX7 ALL Low channel 250W per channel ( Lim -1dB )CD USB AUX High

7、 channel 250W per channel ( Lim -1dB )CD USB AUX OUTPUT POWER ( * 1 ) At THD = 10% (Measured with 20Hz-20KHz filter), both channels driven ( Low channel at 1KHz, High channel at 10k )Power output ( RMS ) FOR NX5 ALL Low channel High channel 125W per channel ( Lim -1dB )CD USB AUX Frequency ResponseL

8、OW Frepuency Frequency Response - 60Hz - ref. 1kHz 3 dBHI Frepuency Frequency Response -6KHz - ref. 10kHz 3 dBN.AMicrophone :input leven Nor: 1.5mv Lim:0.8-2.5mv5V RKP RXWSXW 0: Nor: 2V Lim: 1.5V 2.5V for /55125W per channel ( Lim -1dB )CD USB AUX Booster OutFrequency Response ( +/- 3dB ), reference

9、 1kHz 60Hz - 16kHzN.AAUXNor: 600mV Lim: 450mV 550mV for /37 Digital Coaxial Out N.AUSB 0 dB track HeadphoneLine Out ( Left / Right ) N.AdBINTERCONNECTSInput Sensitity(2 dB)rated ouput power at 1 kHz and 10kHz. Line Output Voltage ( *1 )WOOX : N/A Signal / Noise ( weighted )IS : YES Residual Noise (

10、Volume Minium )( A - weighted ) = 60dB( A - weighted )Channel Crosstalk ( ( 0dB, 1 KHz ) = 40dB( 0 dB, 10 KHz ) = 40dBOutput power = , 1 Khz 2mV input) 1W 1 dBDescription Specification60Hz - 16kHzFrequency Response ( +/- 3dB ), reference 1kHz 100Hz - 16kHzSignal to Noise Ratio ( 0dB,1kHz ) ( A - wei

11、ghted ) = 45dB( A - weighted )NX5 NX7 ALLVer32USB SPECICFICATIONIssued Date1Class NoCHECK10 10 SH 190 -9DATE : Remarks :MicrophoneA416-4-2013THD + Noise ( 0dB, 1Khz ) = 60dB( A - weighted )Channel Crosstalk (1k) = 40dBUSB Measurement at Set LevelElectrical Parameters are to be measured at speaker te

12、minals across 6 ohm load with 500mW output and DSC setting in Jazz ModeDescription Specification( 0 dB, 10 KHz ) = 40dBFrequency Response ( +/- 3dB ), reference 1kHz 60Hz - 16kHz1Channel Crosstalk ( 0 dB, 1 KHz ) = 40dB (with 1 KHz filter )Signal to Noise Ratio ( 0 dB, 1 KHz ) = 60dBA ( A - weighted )Channel Unbalance ( 0 dB, 1 KHz ) +/- 1.5dB Frequency Response ( +/- 3dB ), reference 1kHz 60Hz - 5.8kHzFrequency Response ( +/- 4dB ), reference 10kHz 6KHz - 16kHz2Remarks :USB SPECICFICATION16-4-2013Class NoNX5 NX7 ALLVer Issued DateA43DATE : NAME : MZ.FENGCHECK10 10 SH 190 -8