Philips-MCM-510-Service-Manual电路原理图.pdf

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1、GBCLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOServiceServiceServiceMCM510/22/25/33TABLE OF CONTENTSPageLocation of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ric

2、ambioidentici 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 Warning !Invi

3、sible 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 Advarse !Usynlig

4、 laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.1-61-7INFORMATION ABOUT LEAD-FREE SOLDERING Philips CE is producing lead-free sets from 1.1.2005 onwards. IDENTIFICATION: Regardless of special logo (not always indicated) one must treat all sets from 1 Ja

5、n 2005 onwards, according next rules: Example S/N: Bottom line of typeplate gives a 14-digit S/N. Digit 5for CD/MP3 CDto start or interrupt playback.for Tape.to start playback.0Tape deck!OPEN/CLOSE 0to open tape compartment.DBB/INCREDIBLE SURROUND (IS)to create a super-enhanced stereo effect.to enha

6、nce the bass.#DSC (Digital Sound Control)to select the desired sound effect :OPTIMAL/ROCK/POP/JAZZ.$VOLUME(VOL + / -)to increase or decrease the volume.(on the system only)to adjust the hours andminutes for the clock/timer functions.%SOURCEto select the respective sound source :CD,TUNER,TAPE or AUX.

7、RECORDto start recording.&iR sensorinfrared sensor for remote control.*OPENCLOSE to open or close the disc tray.(n HeadphonePlugs in the headphones jack.The speakersoutput will be cancelled.)MODEto shuffle and repeat a track/disc.w /to select a desired track.MUTEinterrupts and resumes sound reproduc

8、tion.TIMERto activate/deactivate the timer function. SLEEPto activate/deactivate or set the sleep timer.Bto switch the system to standby mode.Notes for remote control:First select the source you wish to controlbypressing one of the source select keys onthe remote control (for example CD,TUNER). Then

9、 select the desired function (forexample 6,w,).24w0w1-10Cleaning the Cabinet Use a soft cloth slightly moistened with a milddetergent solution.Do not use a solutioncontaining alcohol,spirits,ammonia or abrasives.Cleaning Discs When a disc becomes dirty,clean it with a cleaning cloth. Wipe the disc f

10、rom the centre out. Do not use solvents such asbenzene, thinner, commerciallyavailable cleaners,or antistatic spray intended foranalogue records. Cleaning the disc lens After prolonged use, dirt or dust mayaccumulate at the disc lens.Toensure goodplayback quality, clean the disc lens with PhilipsCD

11、Lens Cleaner or any commercially availablecleaner. Follow the instructions supplied withcleaner.Cleaning the Heads and the Tape PathsToensure good recording and playback quality,clean the heads A, the capstan(s) B, andpressure roller(s) Cafter every 50 hours oftape operation.Caution:Do not rotate th

12、e heads duringcleaning. Use a cotton swab slightly moistened withcleaning fluid or alcohol. You can also clean the heads by playing acleaning tape once.AABCDemagnetizing the headsUse a demagnetizing tape available at yourdealer.Maintenance“NO DISC” is displayed.Radio reception is poor.Insert a disc.

13、Check if the disc is inserted upside down.Wait until the moisture condensation at the lenshas cleared. Replace or clean the disc, see “Maintenance”.Use a finalised CD-RW or CD-R.If the signal is too weak,adjust the antenna orconnect an external antenna for betterreception. Increase the distance betw

14、een the Micro HiFiSystem and your TV or VCR.WARNINGUnder no circumstances should you try to repair the system yourself,as this willinvalidate the warranty.Do not open the system as there is a risk of electric shock.If a fault occurs,first check the points listed below before taking the system for re

15、pair.Ifyou are unable to remedy a problem by following these hints,consult your dealer orPhilips for help.ProblemSolutionTroubleshootingRecording or playback cannot be made.“CHK TAPE” is displayed.The tape deck door cannot open.The system does not react when buttonsare pressed.Sound cannot be heard

16、or is of poorquality.The left and right sound outputs arereversed.The remote control does not functionproperly.The timer is not working.The Clock/Timer setting is erased.Clean deck parts,see “Maintenance”.Use only normal (IEC I) tape for recording.Apply a piece of adhesive tape over the missingtab s

17、pace.Remove and reconnect the ACpower plug andswitch on the system again. Remove and reconnect the ACpower plug andswitch on the system again. Adjust the volume.Disconnect the headphones. Check that the speakers are connected correctly.Check if the stripped speaker wire is clamped.Make sure the MP3-

18、CD was recorded within32-256 kbps bit rate with sampling frequenciesat 48 kHz, 44.1 kHz or 32 kHz. Check the speaker connections and location. Select the source (CD or TUNER,for example)before pressing the function button().Reduce the distance between the remotecontrol and the system. Insert the bat

19、teries with their polarities(+/ signs) aligned as indicated. Replace the batteries.Point the remote control directly towardIR sensor on the front of the system. Set the clock correctly.Press TIMER SET 3 (TIMERon the remotecontrol) to switch on the timer.If a recording is in progress, stop the recording. Power has been interrupted or the power cordhas been disconnected.Reset the clock/timer.ProblemSolutionTroubleshooting6,w,w