Philips-MBD-7020-Service-Manual电路原理图.pdf

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1、Published by Sophie-KM 1123 AVM Printed in the NetherlandsMBD7020/12/93Subject to modi cation ENBlue-Ray Disc PlayeregaPstnetnoC Contents PageCopyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.All rights reserved. No part of this publication may be reproduced, stored in a re

2、trieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.Version 1.01 Technical Specification and Connection Facilities2 Laser Beam Safety Precautions. 2-13 Important Safety Precautions . 3-1 to 3-24 Safety

3、 Check After Servicing . 4-16 Standard Notes For Servicing,Lead Free RequirementsRin 16KAmplifier2 x 50W(10%THD) 0.5dB,6 MP3_Link(Front) 0.5V; Rin 16KTechnical Specification and Connection Facilities 1-54.1.2 Amplifier OutputMeasurements are done with rated speaker impedance.Description Specificatio

4、nRated Output Power 10%THD 50W 0.5dBChannel Unbalance(1KHz) |2.0|dBCrosstalk (20Hz 20KHz) |50|dBFrequency Response (30Hz 16KHz ) 3dBFrequency Response with De-emphasis( 20Hz 20KHz ) +0.5 / -2.0dBTHD+N before clipping (1KHz,5KHz) -0.05%Hum(Vol min -Vol max -20db) 150nWResidual Noise (Volume Minimum)

5、40nWAcoustical 26dB4.1.3 Analogue Audio Headphone OutputCD-DA(PCM)Description SpecificationOutput Power 30mWOutput Level 500mV 2dB ,RL=32Load impedance 8to 2KChannel Unbalance(1KHz) |0.3|dB1KHz |65|dBCrosstalk16Hz 20KHz |60|dBFrequency Response 20Hz 20KHz 3.0dBSignal to-Noise Ratio A-weighted -80dB1

6、KHz |65|dBDynamic Range20Hz 20KHz |65|dB1KHz -65dBTHD+N16Hz 20KHz -65dB4.1.4 Analogue Audio Line Output4.1.4.1 CD-DA (PCM) / Video CD (MPEG-1)CD-DA(PCM) /Video CD (MPEG-1)Description SpecificationOutput Voltage 2.0V 0.5dBChannel Unbalance(1KHz) |0.3|dBCrosstalk 16Hz 20KHz |55|dBFrequency Response 20

7、Hz 20KHz +0.5/ -2.0dBFrequency Response with De-emphasis20Hz 20KHz +0.5/ -2.0dB-80dBSignal to-Noise Rati o unweighted A-weighted -80dB1KHz |65|dBDynamic Range20Hz 20KHz |65|dB-65dBTHD+N 16Hz 20KHz-65dBPhase Difference Between ChannelsPhase Non-LinearityLevel Non-Linearity-60dB to -90dB 1tuptuotaeslu

8、PevitisoP)H(FFF7ytiraloPtuptuO8000(H)Negative Pulse at outputOutband Attenuation 35dB(Above 40KHz)Technical Specification and Connection Facilities 1-74.1.5 Digital Audio OutputsStandard ReferenceIEC 60958IEC 619374.1.5.1 Coaxial & Optical OutputRequired to support up to bitrate of up to 96KHz SPDIF

9、 input.Description Specification Test ConditionOutput signal amplitude 0.5 Vpp 20% 75terminationOutput impedance 75 20%DC output voltage 500KHz dB 55 4891 dBf 014 TUNING ACCURAY91 dBf 1MONO 193 55 50ST 193 55 50MONO 65 607 S/N AWIGHTEDSTdB65 6010 FREQUENCY RSEPOUSE 63Hz dB 312.5KHz 38 OVERALL DISTER

10、TION % 2 317 THD 10% POWER W 50 459 MODULATION HUM dB 55 4515 STEREO TURNON dBf 17.5 23.5400Hz dB 26 201KHz dB 30 2616 STEREO CHANNEL SEPARATION5KHz dB 20 1814 AUTO TUNING SENG ALL dBf 2430 193590Hz 30 3698Hz 30 3619 RDS SENSITIVITY106HzdB30 3690Hz98Hz20 RDSNe#SENSITIVITY106HzKHz 0.4 0.611 AM SUPPRESSION I/B 48-82dBf dB 35 3012 8/9/10 HARMONICS WHISTLE dB 40 3518 IF MHz 10.7 0.2