Philips-DS-7700-Service-Manual电路原理图.pdf

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1、DS7700/allTABLE OF CONTENTSPageTechnical specification .1-2.1-6Version variation.2-1Set Block diagram .3-1Set Wiring diagram .4-1Disassembly diagram .5-1Circuit diagram.6-1.6-8 Layout diagram.6-9.6-11Mechanical Exploded view.7-1Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherla

2、ndsAll 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 LX 1127 Service Audio Printed in The Netherlands Su

3、bject to modificationDocking speakerVersion 1.33141 785 360332 - 1Type /Versions:FeaturesBoard in used:DS7700Service policyMain BOARDIpod BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/12 39/98Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKType /Versions:DS770098/VERSI

4、ON VARIATIONCC39/10DC Jack BOARDC/1073/73/M/CM/CM/CM/CM/CM/CM/CM/CM/CM/CM/CM/CSPEAKER 1.5“ 6 6W System voltage: Test Conditions: Power Source: DC 10V power supply or Li-BatteryBattery1 - 2TECHNICAL SPECIFICATIONVbatterVac-adaptorcharging current: iPod/iPhone=1A;iPad=2.1A6.49.58.411POWER SUPPLY: + 5

5、Dregree till + 35 DegreeItem NorminalPERFORMANCE CLASSESEN60065 CISPR13/79 EN60065RADIATION / IMMUNITY requirments ( EMC )/55CLIMATIC requirements ALL climatesPageGENERAL DESCRIPTIONiPod/Iphone/iPad Docking And Aux in 2 x 6W(3W) Power AmplifierLIFETIME : * YearsSupply + AmplifierClass Loudspeaker Bo

6、xes4,5,6,7,8,9TDA7491PVersionSNEN55013/EN550205CISPR13MinimumEN60065 CISPR13EN60065/97FCC99Safety EMC/102VV7.4101MODERATE climates/37 UL60065SAFETY requirements: + N.A till N.A Degree50mA8.4VRemarkBattery inputPower adaptor inputLimitNAMaximum Unit6 Low Voltage protection 0.5NATypical 1000mAHx2 3V/C

7、ell4H1.Battery capacity Li 7.4V4.Battery charge voltage2.Discharge cut-off voltage3.Battery discharge cut-off current5.Charging TimeBattery Life Time:Test Conditions(AUX) Power Source: LI-BatteryNAME :ZC JinKT CHECK4/9 SH 190 - 1.0Q and R according to Product Division RulesQuality : 0.4 % ( Major )

8、1.5 % ( Mirror ) 1/8 Prated , NOM. A, INPUTTested according to General Test Instruction refer to PHILIPS standary ( UAN -D1591 )GENERAL PART 1 - GENERAL SPECICFICATIONA4Class NoDS7700 GENERAL SPECICFICATIONVer2APPROBATIONIssued Date13RemarksAll not mentioned date, please refer to PHILIPS standary (

9、XUW - 0010 - MAR 1995 )DERIVED REMARKSMeasured according to PHILIPS standary ( UAN - L1059 ) unless other wise statedReliability : 2.0 % ( C 42 )ECO Power mode :FrequencyMaximum :50/60HzPOWER CONSUMER( DEMO mode “ OFF “ ) , NOM. A, INPUT60Hz 50 HzStadby : 2WNo NoVOLUME SETING:2X3W(RATED POWER)X60%=2

10、X1.8W REF: 1KHZ 0dBTEST SOUND:Hotel California Live+ Let It Will Be + Do It Well +Night+Superwoman REPEAT ALL79Voltage Selection NoVersion 37 05/10MAINS ( A.C. ) 120Vac 20% 230 Vac 20 % 120/230 Vac 20 %After check for battery life(Count from Ex-factory until the buyer get it) : 13 Months in normal o

11、peration without adaptor charging, besides, within 36 months (Inclusive of13 month) can be activItem SN1LimitNorminal10Unit16VH.Low Voltage protectionMusic PlaybackCondition60% volume level 87.Over voltage protection 9 VDC1 - 3MicrophoneOUTPUT POWER ( * 1 ) At Max.volume output power , 1KHz sinewave

12、Main Operation for DS7700 ALL : 6W, 2 Channels (Lim:5W) ( At DC=10V )N/AiPod/iPhone Loading 800mV Booster Out N.ABlueTooth N/AUSB N/A Headphone(Bass on+EQ) N.AAUX 800mV-1200mV Digital Coaxial Out N.ATuner Line Out ( Left / Right ) N.AN/ACD N/A Subwoofer Out N.AINTERCONNECTSInput Sensitity (3dB ) rat

13、ed ouput power at 1 kHz Output Parts ( *1 )WOOX : N/A Signal / Noise ( A-weighted ) 60SIS : N/A Residual Noise ( Volume Minium )A-Weighted Flat EQdBADSC : NO Channel Differencer 2m WVAC : N/A Channel Separation ( at 1 kHz ) 35 dBStandby Mode Indicator : N/AECO Mode Indiicator : N/AELECTRICAL DATAdBD

14、BB Yes Hum ( Volume Max)A-Weighted m WOUTPUT stage Protection : Yes Temperature : YES Shorcircuit : YesLoudSpeaker D.C. Protection : Yes.INDICATORSTECHNIAL DESCRIPTION2 x 6 W matching LOUDSPEAKER of 2 x 6. One INPUT SOURCEGENERAL PARTKTSH 190 - 1.0 A4NAME : ZC JinCHECK5/9 GENERAL PART 1 - TECHNAICAL

15、 SPECICFICATION32Issued Date1Class NoDS7700 TECHNAICAL SPECICFICATIONVerRemarks ( *1 ) Electrical parameters are to be measuremend at specker terminals across 6 spk load with rated input signal in AUX mode.Rated Impedance Left / Right : 6 Ohms at 120Hz to 14 KHz( At DC=7.4V )LOUDSPEAKER ( BOXES ) N.

16、ALEVEL DIFFERENCE : 1db ( Lim: 2dB )Frequency Response: 3W, 2 Channels (Lim:2.0W)E1 - 4Measurement are directly done at the AUX INTECHNIAL DESCRIPTIONAUX - Part SpecificationsDescription Extern Nom Lim UnitOhmsChannel Unbalance 1 2 dBOutput Resistance N/ASignal to Noise Ration ( 20-20KHz BPF )( *1 )

17、 55 50 dB+6 340 35dB ASignal to Noise Ration ( A - weighted )( *1 ) 60 5565dBDistortion (-6dB from Prated) 1KHz( 20-20KHz BPF ) 0.5 1 %Channel Separation 1KHZ( 20-20KHz BPF )WnW Hum (max. vol - 20dB) ( A - weighted ) 200 300Max.volume power (900-1200mV INPUT) (DC=10VRemark+8 3dBFrequency Response 12

18、7HZ10KHZ6/9 SH 190 - 1.02( *1 ) Measured at AUX 800mV level input, at specker terminals across 6 spk load output.AUX SPECICFICATIONClass NoDS7700 AUXA4KT CHECKNAME : ZC Jin31Ver Issued DateTransmitter(Test equipment:Tescom 3000B)1 - 5Hum (max. vol - 20dB) ( A - weighted ) 200 300 nWModulation Charac

19、teristics F1avg 140 175 KHzCarrier Frequency Drift 25KHzAdjacent Channel Power2MHz -20 dBm3MHz -40 dBmCh.39 -6 4 dBmCh.78 -6 4 dBmConnected distance 10 8 meterOutput Power Ch.0 -6 4 dBmChannel Separation 1KHZ( 20-20KHz BPF ) 35 30 dBMax.volume power (0dB 1KHZ) iTECH DONGLE 6 5 WSignal to Noise Ratio

20、n ( A - weighted )( *1 ) 60 50 dBDistortion 1KZ -6dB( 20-20KHz BPF ) 1 3 %10KHz 3 3 dBSignal to Noise Ration ( Unweighted ( 20-20KHz BPF ) ) 55 45 dBChannel Unbalance 1KHZ 2 3 dBFrequency Response ( DISC1 TR9 TO TR23)127Hz 3 3 dB用 iPhone or iTECH Dongle 测Description Condition Nom Lim UnitTECHNIAL DE

21、SCRIPTIONBluetooth - Part Specifications( *1 ) Measured at Bluetooth level1.AUDIO SIGNAL DISC1,SBC 429 2:Test enviroment RF radiation fr Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i

22、 pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GB

23、Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!DK Adv

24、arse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.Caution: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operat

25、ing instructions unless you are qualified to do so.2-1Whenthepowersupplyisbeingturnedon,youmaynotremovethislasercautionslabel.Ifitremoves,radiationoflasermaybereceived.2.1 ESD PROTECTIONPREPARATIONOFSERVICINGPickupHeadconsistsofalaserdiodethatisverysusceptibletoexternalstaticelectrocity.Althoughitop

26、eratesproperlyafterreplacement,ifitwassubjecttoelectrostaticdischargeduringreplacement,itslifemightbeshortened.Whenreplacing,useaconductivemat,solderingironwithgroundwire,etc.toprotectthelaserdiodeformdamagebystaticelectricity.Andalso,theLSIandICaresameasabove.Solderingironwithgroundwireorceramictyp

27、eGroundconductivewriststrapforbody.ConductivematThegroundresistancebetweenthegroundlineandthegroundislessthan101M2-2SAFTY NOTICEPlug the AC line cord directly into a 120V AC outlet (donot use an isolation transformer for this check). Use anAC voltmeter, having 5000 per volt or more sensitivity.Conne

28、ct a 1500 10W resistor,paralleled by a 0.15uF150V AC capacitor between a knomn good earth ground(water pipe, conduit, etc.) and all exposed metal parts ofcabinet (antennas, handle bracket, metal cabinetscrewheads, metal overlays, control shafts, etc.).SAFTY PRECAUTIONSLEAKAGE CURRENT CHECKMeasure th

29、e AC voltage across the 1500 resistor.The test must be conducted with the AC switch on andthen repeated with the AC switch off. The AC voltageindicated by the meter may not exceed 0.3V.A readingexceeding 0.3V indicates that a dangerous potentialexists, the fault must be located and corrected.Repeat

30、the above test with the DVD VIDEO PLAYERpower plug reversed.NEVER RETURN A DVD VIDEO PLAYER TO THECUSTOMER WITHOUT TAKING NECESSARYCORRECTIVE ACTION.READING SHOULD NOT EXCEED 0.3VDVD VIDEO PLAYERAC OUTLETAC VOLTMETERTest all exposed metal.Voltmeter Hook-up for Leakage Current Check0.15uF 150V AC1500

31、10W(5000 per voltor more sensitivity)Good earth groundsuch as a water pipe,conduit, etc.The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated “dangerous voltage“ within theproducts enclosure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.The exclamation point within an equilateral triangle isintended to alert the user to the presence of importantoperating and maintenance (servicing) instructions in theliterature accompanying the appliance.2-3