Philips-MCB-279-Service-Manual电路原理图.pdf
《Philips-MCB-279-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Philips-MCB-279-Service-Manual电路原理图.pdf(39页珍藏版)》请在收音机爱好者资料库上搜索。
1、 MCB279/05Copyright 2008 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 perm
2、ission of Philips.Published by SL 0821 Service Audio Printed in The Netherlands Subject to modificationDAB Micro SystemVersion 1.0CLASS 1LASER PRODUCT 3141 785 32860TABLE OF CONTENTSPagePCBs Location & Version Variations .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction,
3、 etc .1-5 to 1-7Software Version Checking . 2Set Block Diagram . 3Set Wiring Diagram . 4Main Board . 5MCU Board . 6Key Board . 7Power AMP Board . 8CD Board . 9Headphone & Motor & Door Switch Board . 10Set Mechanical Exploded View & Parts List . 11/12 /58niRDC/nixuALine OutVideo OutSubwoofer OutDigit
4、al OutKaraoke FeaturesVoltage SelectorECO Power Standby (LCD Display Off)USB DirectType /Versions: MCB279 Featuresin used:/05VERSION VARIATIONSType /Versions:Board in used:MCB279Service policyMAIN BOARDCD BOARDPOWER AMP BOARDHEADPHONE BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair-
5、 UsedC/12 /05 8559/16/85/Feature diffrenceKEY BOARDCCCDAB MODULE Mxxx1 - 2PCBS LOCATIONMOTOR BOARD CCMCU BOARD CxCD BOARDHEADPHONE BOARDKEY BOARDMOTOR BOARDPOWER AMP BOARDMCU BOARDMAIN BOARD1 - 3AMPLIFIEROutput power . 30 W RMSSignal-to-noise ratio . t 65 dBAFrequency response . 100 18kHz, 3 dBInput
6、 sensitivity AUX . 0.5 V (max. 1 V)Impedance loudspeakers .t 6 :Impedance headphones . 32 : -1000 :. 15 mWCD PLAYERFrequency range . 100 18 kHzSignal-to-noise ratio . 65 dBATUNERFM wave range . 87.5 108 MHzMW wave range . 531 1602 kHzNumber of presets . 40AntennaFM. 75 : wireSPEAKERSBass reflex syst
7、emDimensions (w x h x d) . 158 x 250x 185 (mm)GENERAL INFORMATIONAC Power .110 240 V, 50 Hz/60 HzDimensions (w x h x d, with/without the stand). 211 x 250 x 160/211 x 250 x 126 (mm)Weight(with/without speakers) . 3.7 / 1.33 kgStandby power consumption .2 WEco power standby . 1 WSpecifications and ex
8、ternal appearance aresubject to change without notice.USB .V2.0/ V1.1. support MP3 and WMA filesNumber of albums/ folders . maximum 999Number of tracks/titles . maximum 999USB PLAYERSPECIFICATIONS1 - 4LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700
9、BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be
10、 carried out in a Faradays cage.Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BU
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- PhilipsMCB279ServiceManual 电路 原理图