Philips-FWM-986-Service-Manual电路原理图.pdf

FWM986/55©Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll 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.Published by SL-ET 0739 Service Audio Printed in The Netherlands Subject to modificationMini SystemVersion 1.1CLASS 1LASER PRODUCT© 3141 785 32101TABLE OF CONTENTSPageLocation of PC Boards .1-2Versions Variation & Package .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction, etc .1-5CD Playability Check .1-6 to 1-8Repair Instructions. 2Disassembly Instructions & Service positions . 3Set Block Diagram & Set Wiring Diagram . 4Key & Karaoke & USB Jack Board . 5Main Board . 6Power Board . 7AMP Board . 8Control Board . 9CD (Servo) Board . 10Mechanical Exploded View & Parts List . 11Electrical Parts List . 12Revision List . 13BSULLA-PIRPOWER PCBAMP PCBKARAOKEPCBMAIN PCBSERVO PCBCONTRO L PCBKEYPCBUSBPCBLOCATION OFPCBBOARDSVERSION VARIATION:Type/VersionsFeatures & Board in usedFWM986/55Main (Output Power-1200W)Power Voltage (110V240V)EnglishSpecificationsAMPLIFIERTotal output power . 1200WFront .250W per channelRear. 100W per channelSubwoofer .250W per channelSignal-to-noise ratio . 60 dBA (IEC)Frequency response . 50 18000 HzInput sensitivityAUX . 1000/2000 mVOutputHeadphones. 32 g49(1) (3 g49, 1 kHz, 10% THD)CD/MP3-CD PLAYERNumber of programmable tracks . 99Frequency response . 50 20000 Hz -3dBSignal-to-noise ratio . 60 dBAChannel separation . 35 dBA (1 kHz)Total harmonic distortion. 250mV->Laser damaged !4,6V3V3,3V3,9V2V0,17V0,17VSanyoDA12T3HF-AmplifierD3D2D1Drive detection680R390539033K3BC847B787747n28181K53902574216364891011470R3893+3.3V2K23908 10K3923BC847B7878BC847B78764n728133896100R220u28852881560p47n2887560R39012883470n28174u73n328143898220R389527K470n2884+3.3V3909820R3907100R392033K3897288282p3K339042K738993906470R+5V_HFHFINVrefCD10100p2815281622nLDONto 3826,3827VREF GEVDDA1VRINVSSA1ISLICELDOND1D2D3D4HFINHFREFIREFCD_DA: 0V / CD_RW: 3V (A-D)800mVppTB = 0.5µs/divEYE-PATTERN1,8V1,2V2,4V2,6V0,65VINSTRUCTIONS ON CD PLAYABILITY1-81) System Reseta) press and hold “TUNER” and”“ALBUM-” keyb) power onc) VFD will display “VXXX-X”d) Press”“PROGRAM” key, VFD display “NEW”2) Check on the Software Versiona) press and hold “TUNER” and”“ALBUM-” keyb) power onc) VFD will display “VXXX-X”3)Updating new softwarea) insert USBb) press “USB” key to select USB modec) press and hold “STOP” keyd) VFD will display “UPGRADE”e) when finishing upgrade ,system will automatic go tostandby modeSystem, etc. setting procedureCAUTION !This information is confidencial and may notbe distributed. Only a qualified serviceperson should reprogram the Region Code.2 - 12 - 12 - 22 - 2REPAIR INSTRUSTRATOR