Philips-MCD-706-Service-Manual电路原理图.pdf

Version 1.0MCD706©3141 785 31420Service ManualDVD Micro Systemall versionsPublished by YB 0635 Service Audio Printed in The Netherlands Subject to modification©Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Handling chip components .1-1Information about lead-free soldering.1-2Technical specification.2-1Service tools .2-1Service measurement setup.2-2Connections and controls.3-1.3-4Disassembly diagram .4-1.4-2Software version and upgrading.5-1Set block diagram.5-2Set wiring diagram.5-3VFD BOARDcircuit diagram .6-1layout diagram .6-2TUNER BOARDcircuit diagram .7-1layout diagram .7-2layout diagram-amp box pcb assy.7-2AMP BOARDcircuit diagram .8-1 layout diagram .8-2CPU BOARDcircuit diagram .9-1 layout diagram .9-2DVD MPEG BOARD circuit diagram .10-1.10-5layout diagram .10-6Exploded view diagram.11-1Mechanical partslist .11-2.11-3Electrical partslist.12-1.12-2Revision list.13-1TABLE OF CONTENTSCLASS 1LASER PRODUCT1 - 1HANDLING CHIP COMPONENTS1 - 22-1TECHNICAL SPECIFICATIONSGENERAL TUNER - AM SECTIONMains voltage -/98 : 120/230V Tuning range : 5311602KHz-/61/93 : 220V IF frequency : 450kHz-/12 : 230V Quieting sensitivity(-26dB) : 3250uV/m-/79 : 240V Distortion : 18 dB-/12/61/79/93 : 50Hz Selectivity : > 16dBS/N : > 35Battery remote : 3V(AAA x 2)Power consumption Nomal : 35W DVD/MP3/CDStandby : 53dBComposite Vidio Output 1.0Vpp(+10/-10%)Out power mains : 2 x 25W Frequency Response 20Hz20kHzSpeaker impedance mains : 8 ohm THD 0.5%(Limit 1%)Frequency response : 100Hz - 20KHz Bit rates 8K-320KpsSampling rates 8K/11.025K/16KTUNER - FM SECTION /22.05K/32K: /44.1K/48K HzTuning range : 87.5108MHz S/N (A-weighted) 70dBA(Lim 65 dBA)IF frequency : 10.7MHz Channel Separation > 25dBQuieting sensitivity(-26dB) : 25dBDistortion : 50SERVICE TOOLSAudio signal disc SBC 429 4822 397 30184Playability test disc SBC 444 4822 397 30184Test disc 5 (disc without erros)+Test disc 5A (disc with dropout erros,blank spots and fingerprints)SBC 426/426A4822 397 30096Burn in test disc (65min. 1kHz signal at -30 dB lever without 'pause') 4822 397 30155AVAILABLE ESD PROTECTION EQUIPMENTanti-static table mat large 1200 x 650 x 1.25mm : 4822 466 10953small 600 x 650 x 1.25mm : 4822 466 10958anti-static wristband : 4822 395 10223connection box(3 press stud connections, 1Mohm) : 4822 320 11307extendible cable (2m, 2Mohm, to connect wristband to connection box) : 4822 320 11305connecting cable (3m, 2Mohm, to connect table mat to conection box) : 4822 320 11306earth cable (1Mohm, to connect any product to mat or to connection box) : 4822 320 11308KIT ESD3 (combining all 6 prior products - small table mat) : 4822 310 10671Wristband tester : 4822 344 139992 - 23 - 1CONNECTION AND CONTROLS3 - 2CONNECTION AND CONTROLS3 - 3CONNECTION AND CONTROLS3 - 4CONNECTION AND CONTROLS4 - 14 - 1AB1B2C1 C2D1 D2D3FGHIJA.Remove Bottom Cover A1.remove screws M2.5x4(8pcs)B*.remove screws M3x10(8pcs) and M3x8(3pcs) C*.remove screws M3x8(4pcs) and T3x4(2pcs)E1 E2E2E1*M2.5x5E2*M2.6x8D.Remove Back Panel D*remove screws T3x4(5pcs)and M3x10(5pcs)and T3x8(1pc) E. Remove Top CoverG. Remove DVD Rom and then remove DVD Decoder Card AssyI.Remove VFD board assyH.Remove Slid PlankI.Remove Side metal PlateDISASSEMBLYDIAGRAM -DVD PART