Philips-DS-7550-Service-Manual电路原理图.pdf

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1、DS7550/allTABLE OF CONTENTSPageTechnical specification .1-2Service measurement setup.1-3 Service aids .1-4Safety instructions .2-1 Set Block diagram . .3-1Set Wiring diagram . .4-1Disassembly diagram . 5-1Circuit diagram.6-1 Layout diagram.6-2.6-4Mechanical Exploded view. . .7-1Copyright 2010 Philip

2、s 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

3、LX 1052 Service Audio Printed in The Netherlands Subject to modificationDocking speakerVersion 1.33141 785 35183TECHNICAL SPECIFICATIONiPhone compatibility Compatible with: iPhone, iPhone 3G, iPhone 3GSiPod compatibility Compatible with: iPod, iPod mini, iPod with colordisplay, iPod 5th Generati on,

4、 iPod classic, iPod nano 1st Generation, iPod nano 2nd Generation,iPod nano 3rd Generation, iPod touch, iPod nano4th Generation, iPod touch 2nd Generation, iPodnano 5th Generation, iPod touch 2nd Gen 8/16/32GBiPhone/ iPod APP App name: Fidelio+ Free download from App store Compatibility: Fidelio do

5、cking s peaker, iPhone OS3.0 Playback: Album/track navigation, Playbackco ntrols Sound settings: DBB, DSC-Flat,Pop,Rock,Jazz,Classic Clock: Analog display, Digital display Alarm: Multiple alarms, Sleep timer, Wake up tomusic, Wa ke up to nature sounds, Wake up tophoto Battery status: Speaker battery

6、 statusConnectivity Aux inAudio Playback Cradle playback mode: Charging iPhone, ChargingiPodSound Output power (RMS): 10W Sound Enhancement: Dynamic Bass Boost Sound System: Stereo Volume Control: Volume Control up/downLoudspeakers Neodynium magnet systemAccessories Cables: 3.5mm AUX-inPower Power s

7、upply: 100-240VAC, 50/60Hz, Battery Battery Type: Built-in battery Operating time on battery: 8 hrDimensions Master carton weight: 2.3 kg Product dimensions (WxDxH): 310 x 110 x 40 Weight incl. Packaging: 1.04 kg Master carton dimensions: 175 x 162 x 440 mm Master carton quantity: 2 Weight: 0.76 kg1

8、 - 2Type /Versions:FeaturesBoard in used:DS7550Service policyMain BOARDKey BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/93 /12 73/05Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKC/MCType /Versions:DS7550/93 /1205/VERSION VARIATIONIpod BOARD(APAC)(CHINA) (APAC)C/MCC/

9、MCC CC(LATAM)C/MCC73/77/(LATAM)77/C/MCC87/(LATAM)87/C/MCC1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071L

10、EVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BLRDUTCDUse 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

11、.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be 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=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Vo

12、ltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP1-4SERVICE AIDSGB WARNINGAll ICs and many other semi-conductors ares

13、usceptible to electrostatic discharges (ESD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potential as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.ESDCLASS 1LASER PRODU

14、CTGBSafety regulations require that the set be restored to its originalcondition and that parts which are identical with those specified,be usedSafety components are marked by the symbol!.Lead free2.1 SAFETY INSTRUCTIONS Battery Handling GuidelineSince the battery is packed in soft package, to ensur

15、e its better performance, its very important to carefully handle the battery 2.1.1 Soft Aluminium foil The soft aluminum packing foil is very easily damaged by sharp edge parts such as Ni-tabs, pins and needles. Dont strike battery with any sharp edge parts Trim your nail or wear glove before taking

16、 battery Clean worktable to make sure no any sharp particle 2.1.2 Sealed edge Sealing edge is very flimsy Dont bend or fold sealing edge 2.1.3 Folding edge The folding edge is form in battery process and passed all hermetic test. Dont open or deform folding edge 2.1.4 Tabs The battery tabs are not s

17、o stubborn especially for aluminum tab. Dont bend tab 2.1.5 Mechanical shock Dont Fall, hit, bend battery body 2.1.6 Short Short terminals of battery is strictly prohibited, it may damage battery. CautionDanger of explosion if battery is incorrectly replaced.Replace only with the same or equivalent

18、type.2 - 1BLOCK DIAGRAM3-1WIRING DIAGRAM4-1BATTERY1BATTERY2KEYBOARDMAIN BOARDSW UPGRADE BOARDiPod JACK BOARDCW502CN702CN105CN103CW501CN601CN104CN101CN701CON104JK1CW3CW1JK2CW104SPK_LSPK_RCN102CN2CW101CN1CW801JK8015-1 5-1DISASSEMBLY DIAGRAMDismantling of the Bottom CabinetDismantling of the PCB Board.

19、1)Remove 4 screws C as indicated to loosen the Main Board. 1) Remove 1 rubber foot A as indicated.2) Insert a small needle and push to forward, then the speaker grill can be released.3) Remove 11 screws B as indicated to loosen the bottom cabinet.BABOTTOM CAB.FRONT CAB.SPEAKER GRILLCCIRCUIT DIAGRAM6-1 6-1PCB LAYOUT - MAIN BOARD6-2 6-2