Sphinx-Myth9-cd-sm 维修电路原理图.pdf

1. SERVICE MANUALMYTH 9COMPACT DISCPLAYERSTOPPREVTIMESHUFREPEATSTBYPLAYNEXTPAUSEPROGPEAKOPENRadioFans.CN 收音机爱 好者资料库SPHINX Myth 9 Service Manual 2 1. UNPACKING.32. CONTACTING THE MANUFACTURER.33. THE CD PLAYER AT A GLANCE.4Front panel.4Rear panel .54. OPERATION .6Power on.6Playing a CD.6Different time display .6Playing a different track .6Playing tracks in a different order.6Program Play (PROG) .7Programming tracks.7Playing the programmed tracks .7To stop Program Play .7Shuffle Play (SHUF).7Repeat Play (REPEAT).7To temporarily halt Play (PAUSE).8To stop Play (STOP).8Power off.8Special modes for recording CDs.8The PEAK mode.8The FADE mode.85. THE SPHINX REMOTE CONTROL.9Buttons.9Operation.10Selecting without switching.10Batteries.10Encountering problems.106. TECHNICAL SPECIFICATIONS.117. ADJUSTMENT PROCEDURES.128. PROBLEMS AND SOLUTIONS .139. DIAGRAMS AND PARTS LIST.14General Overview Myth 9.15Power Supply.16D/A converter.17Input / Output.18Display.19Parts List.20RadioFans.CN 收音机爱 好者资料库SPHINX Myth 9 Service Manual 3 The Sphinx Myth 9 designThis service manual will help you to optimallyservice and repair the Sphinx Myth 9 CD player.The heart of this very special CD player is formedby the newest Philips CDM-12.4 transportmechanism.Two independent Bitstream D/A converters willguarantee unsurpassed detailed audioreproduction.A unique feature is that the output sections are of atotally discrete Class A design.The “O core” power transformer uses completelyseparated sections for the digital and analoguesupply. Combined with the integrated power linesuppression filter this ensures an extremely highS/N ratio.Almost all functions are accessible with the suppliedSphinx Remote Control.To obtain the maximum quality from this CD playerit is necessary to use it with top quality audiocomponents, preferably with other Sphinxcomponents.1. UNPACKINGBefore leaving the factory every Myth 9 is subjectedto stringent and extensive technical and exteriorquality inspection.This ensures you will enjoy many years of highquality audio performance from a perfect-lookingproduct.After unpacking your Myth 9 we thereforerecommend you carefully check it for any transportdamage.Even if the component is in perfect condition youshould still keep the packing materials. If you needto transport your Myth 9 at a later time it will be bestprotected by the original packing materials.2. CONTACTING THE MANUFACTURERIn case of any problem not covered in this manualor if you have other questions you may contact theSphinx International Service Department in TheNetherlands (local time: GMT +1h) during officehours at the following numbers:Telephone(+31) 35 602 0302Fax(+31) 35 602 2806E-mailaudionleuronet.nlIt is always very helpful and efficient if you have allrelevant information about the specific product andthe problem ready.Please also refer to the User Manual of theMyth 9 for information about functions notdescribed in this manual.It is important to familiarise yourself with thespecial functions, operation and possibilitiesof the Sphinx Myth 9.SPHINX Myth 9 Service Manual 4 3. THE CD PLAYER AT A GLANCEFront panel1. CD tray: To be opened with the OPEN button.Place the CD here.To close: press the OPEN button or the PLAYbutton or softly push against the front of the tray.2. STOP: To stop CD playback.3. PREV: To select a lower number track.If you hold the button depressed it will activate afast reverse search in the current track.4. TIME: This button selects the timer mode (right-hand side of display):? Remaining Track Time,? Total Remaining Time,? Track Time.5. SHUF: To select the Shuffle Play mode, whichplays the tracks in random order. The SHUFFLEindication will light.6. REPEAT: To activate the Repeat Play mode. ThePlay, Shuffle Play and Program Play modes willbe repeated until you deactivate the function.The REPEAT indication will light.7. STBY: To switch the CD player on and off. TheLED next to the button indicates the selectedfunction:onLED is offoffLED is red8. Receptor window for the IR signals from theRemote Control.9. Display: This will show all important data (moreinformation can be found on page 6)10. PLAY: To start playback of the track indicated inthe left-hand side of the displayNote: If the CD tray is still open, it will closeautomatically.11. NEXT: To select a higher number track.If you hold the button depressed it will activate afast forward search in the current track.12. PAUSE: To temporarily interrupt the CDplayback. The display will show the PAUSEindication. Pressing this button again (or PLAY)will resume playback.13. PROG: To select the Program mode: this enablesyou to play only certain selected tracks. Thedisplay will show PROGR and the PROGRAMindication will blink.14. PEAK: Pressing this button during STOPactivates the Peak Search mode. The PEAKindication will light.Pressing this button during Play mode activatesthe Fade mode.15. OPEN: To open and close the CD tray.STOPPREVTIMESHUFREPEATSTBYPLAYNEXTPAUSEPROGPEAKOPEN12345678910 11 1213 1415SPHINX Myth 9 Service Manual 5 Rear panel1. OUTPUT L and R: Connect this to the CD inputof the amplifier.2. Control IN and OUT: To connect the opticalcable from the pre-amplifier and to the nextSphinx component (e.g. tuner).3. Manufacturers label: This shows importantdata for the component, such as serial numberand mains power voltage.4. Warning!: This shows important informationabout the safety regulations for the Myth 9.5. AC Power: Connect the mains cable to a mainspower outlet (100 - 240 VAC). Mains powerswitch for the CD player.The mains fuse is placed behind the cover.Warning!Do not open!High voltage inside!Do not expose this unitto rain or moisture.ACVoltage: 230V/60Hz.Max. Power:40WMade in The NetherlandsManufactured by :Sphinx LaboratoriesFuse:0,5ATOUTPUTCONTROLINOUTLR12345SPHINX Myth 9 Service Manual 6 4. OPERATIONConnect the mains cable to a mains outlet.Once you have finished connecting all components,you can power on the Myth 9 with the mains switchO / I (23).The STBY LED (13) will light. The CD player is nowin standby mode.From now on you should switch the CD player on oroff with the ?STBY button (13).That way, all circuits will remain at optimumoperating temperatures and the audio quality will be100% immediately after switching on. Additionally itsignificantly increases the life span of thecomponent.Power onSwitch the Myth 9 on with the ?STBY button.It automatically checks whether there is a CD in detray (the display shows READ). If there is no CDthe display will show noDISC.Playing a CDPress the ?OPEN button (12): the tray opens.Place a CD in the tray and close it with the ?OPENbutton (or the ?PLAY button or by gently pushingthe tray inwards).When the tray is closed the display shows READafter which you will see the total number of tracks(max. 99, left) and the total playing time of the CD(right) in minutes:seconds. The lower horizontal rowof numbers indicates all tracks that have not beenplayed (in this case all of them).With a press on ?PLAY you start the playback ofTrack 1. The display now shows the track number(left) and the tracks playing time from the start(right). This last indication will increase as long asthe CD is playing.All tracks will be played sequentially in the normalorder.Different time displayWith the ?TIME button you may select betweenthree different time displays. TRACK TIME is thedefault. With each press on the button you thenselect in this order:? REM TRACK TIME: remaining track time or? TOTAL REM TIME: remaining CD time or? TRACK TIME: track time from start of play.Playing a different trackIf you would like to play another track then you mayselect it in a number of ways.? Each press on the ?NEXT button will select thenext (higher number) track.Example: To select track 5 while track 1 is playingdepress the ?NEXT button 4 times. The displayshows the new track number (left) and in the 1-15+line the numbers from track 5 to the last will be lit.? Each press on the ?PREV button will select theprevious (lower number) track.From track 1 you select the last track on the CD withone button push.The display shows the new track number (left) andin the 1-15+ line the numbers from the current trackto the last will be lit.? From the Remote you may directly select thetrack number with the ?1-0 buttons (for moreinformation, see page 10).Playing tracks in a different orderNormally the tracks are played in the order of theCD. There are however three modes that allow youto change the playing order and even can preventtracks from playing altogether.The three modes are Program Play (PROG), ShufflePlay (SHUF) and Repeat Play (REPEAT).SPHINX Myth 9 Service Manual 7 Program Play (PROG)With Program Play you can change the playback ofa CD:? Only play the tracks you want to hear (and thusskip the others).? Play certain tracks a number of times.? Change the complete playing order.? Select those tracks that exactly fill one side of atape.To do this you first have to select the wanted tracksand program them into memory. Then you can startProgram Play mode.Note: Tracks will be played in the order ofprogramming.Programming is only possible when the CD hasstopped (STOP). If you press the ?PROG buttonduring Play mode the display will show GO TOSTOP , while nothing further will happen.Programming tracks? Press the ?PROG button.The display shows PROGR and the PROGRAMindication (right) blinks.? Select the first track with the ?NEXT or ?PREVbutton.The display shows under TRACK the track number.? Press the ?PROG button to store the track inmemory.The display will show:? Under TRACK: the programmed tracks (in thiscase 1).? Under TOTAL TIME the total playing time of theprogram.? In the 1-15 line all the selected tracks.Note: To play the selected track more than once,press the ?PROG button the required number oftimes.? Select all other tracks with the same method.After each selection the display will be updated.Note: You can program up to 30 tracks. If you try toprogram more the display will show FULL .Note: If you have selected a wrong track you cannot delete it from the program. You then have topress the ?STOP button twice and redo the wholeProgramming procedure.Playing the programmed tracksAfter you have finished programming the tracks youcan start playing the program.? Press the ?PLAY button. The PROGRAMindication (right) will light and playing starts with thetrack that has been programmed first. All selectedtracks will then be played in the order ofprogramming.? You may also press the ?PAUSE button. TheCD player first locates the start position of the firstprogrammed track and then selects Pause mode.This might be handy when recording a tape. Youfirst can select the recorder to record-ready andposition the tape at the correct position. You maystart Program Play with another press on the?PAUSE button.Note: If you select the TOTAL REM TIME displaywith the ?TIME button the display will show theremaining time for the program.To stop Program PlayTo temporarily stop Program Play: press the?STOP button once. Pressing the ?PLAY buttonwill resume Program Play.To stop Program Play completely: press the?STOP button twice.The display then will show the same CD data asright after placing a new CD in the tray.Shuffle Play (SHUF)The Shuffle Play mode lets you play the tracks inrandom order during Play and Program Play modes.The ?SHUF button activates this mode (theSHUFFLE indication will light) and random play willstart immediately.At any time you may de-activate this mode withanother press on the ?SHUF button. The playbackwill continue and after the current track the nexttrack will now be played and not a random track.Repeat Play (REPEAT)The Repeat mode will repeat the selected Playmode: Play, Program Play and Shuffle Play. Thereare two options.? Repeat 1: Play will be repeated once.? Repeat: Play will be repeated continuously.You may select the Repeat 1 mode by pressing the?REPEAT button once: the REPEAT1 indicationwill light.With a second press you select the Repeat mode:the REPEAT indication will now be lit.Another press de-activates the mode.SPHINX Myth 9 Service Manual 8 To temporarily halt Play (PAUSE)All Play modes can be temporarily interrupted withthe ?PAUSE button. Another press on this button(or on the ?PLAY button) will resume Play mode.To stop Play (STOP)Pressing the ?STOP button during any mode willde-activate this mode completely, the CD will stopand the display will show the same CD data as rightafter placing a new CD in the tray.At any time you can also press the ?OPEN button:all modes will stop immediately and the tray willopen.Power offYou switch the Myth 9 off (to stand-by) with the?STBY button (13).Special modes for recording CDsRecording a CD is highly simplified with two specialmodes: Peak and Fade. The first will automaticallyfind the loudest signal level on the CD, the secondenables you to fade tracks in and out.The ?PEAK button (10) activates the:? Peak mode when the CD has stopped (STOP)? Fade mode when the CD is playing.The PEAK modeIn Peak mode the CD player scans and analysesthe CD (the PEAK indication will blink). Finally thedisplay will show under TRACK the track numberand under TRACK TIME the time code of theloudest part on the CD.About 3 sec of this part will then continuously berepeated (the time display will fallback to the startingpoint) and the signal is sent to the output.You can now simply adjust the recording level of therecorder to the maximum value. So you dont haveto worry about sudden signal peaks causingdistortion or noise caused by too low a recordinglevel!You may de-activate the Peak mode by pressing the?PLAY, ?STOP or ?OPEN button.The FADE modeWith the Fade mode you can fade-out a track(slowly decrease the level to 0), create a longerspace between two tracks and fade-in a track.During Play mode (with the correct track and at thecorrect moment!) press the ?PEAK button. Thedisplay will show sequentially (this will take some 5seconds): FADE FADE = FADE At the same time the signal level is slowly reducedto 0 (fade-out) and the Pause mode is selected. Thedisplay shows the PAUSE indication (left), the tracknumber and the time at which the track has beenhalted.To resume playback you have two options:1. Pressing the ?PEAK button resumes playbackand the display will show (this takes some 5seconds): FADE FADE = FADE At the same time the signal level is slowly increasedfrom 0 to the previous level (fade-in).2. Pressing the ?PAUSE or ?PLAY button willextinguish the PAUSE indication and the track willresume playback, only now with the levelimmediately at maximum: there is no fade-in!SPHINX Myth 9 Service Manual 9 5. THE SPHINX REMOTE CONTROLThis single Sphinx Remote Control lets you controlall functions: not only of the Myth 9 but also of allother Sphinx equipment.Only the following buttons on the Remote apply tothe Myth 9 CD player (when pressed the (O willlight in the lower left-hand side of the display), theother buttons will not function:Buttons1. CD: To select the CD player. Al