Philips-MCM-240-Service-Manual电路原理图.pdf

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1、GBCLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOServiceServiceServiceMCM240/15/21/21M/22/25/37TABLE OF CONTENTSPageLocation of PCBs fr Reparaturen sind Original-Ersatzteile zu verwenden.Sicherheitsbauteile sind durch das Symbol !markiert.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle c

2、ondizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.Componenty di sicurezza sono marcati con !GBAfter servicing and before returning set to customer perform a leakagecurrent measurement test from all exposed metal parts to earth ground toassure no shock hazard

3、 exist. The leakage current must not exceed0.5mA.1-7INFORMATION 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 Jan 2005 onwards, according next rules: Example S/N

4、: Bottom line of typeplate gives a 14-digit S/N. Digit 5, , ).Replacing battery (lithiumCR2025) into the remote control1Pull out the knob Aslightly to the left.2Pull out the battery compartment B.3Replace a new battery and fully insert thebattery compartment back to the originalposition.CAUTION!Batt

5、eries contain chemical substances, sothey should be disposed of properly.Preparations1-9PREPARATIONS AND CONTROLS)1 3 4 6 7 8 95 ! 02 (1! 7 0 8 *%3 # $ .starts or interrupts playback.PRESET (J/ K)for TUNER.selects a preset radio station.for CD/MP3 -CDskips to the beginning of acurrent/previous/subse

6、quenttrack8DBB(Dynamic Bass Boost)enhances the bass.9BANDselects a waveband.0PROGRAMfor CD/MP3-CDprogrammes tracks andreviews the programme.for TUNER.programmes tuner stations.!SOURCEselects the respective sound source for CD/TUNER/ AUX.Notes for remote control:First select the source you wish tocon

7、trol bypressing one of the source selectkeys on the remote control (for exampleCD,TUNER).Then select the desired function (forexample 2 ;,J, K).DISPLAY/CLOCKsets the clock function.displays disc information during playback.#TIMERactivates/ deactivates or sets the timer function.$SLEEPactivates/deact

8、ivates or selects the sleeper time.%DSC(Digital Sound Control)selects sound characteristics:ROCK/ JAZZ/POP/ CLASSIC.RDSfor tuner, displays RDS information.,).Reduce the distance between the remotecontrol and the system. Insert the battery with its polarities(+/ signs) aligned as indicated. Replace the battery.Point the remote control directly towardIR sensor on the front of the system. Set the clock correctly.Press TIMER to switch on the timer.Power has been interrupted or the power cordhas been disconnected.Reset the clock/timer.ProblemSolution1-10