Gemini-MP3000X-cd-sm维修电路原理图.pdf

(1)?MP-3000XDUAL PRO DIGITAL MP3/AUDIO CD-PLAYERCONTENTS:Connections & Operations:.Page 2-6Specifications:.Page 6Parts Lists:.Page 7-30PCBs:.Page 31-36Schematics:.Page 36-46Gemini Sound Products Corp.120 Clover Place P.O. Box 6928Edison, NJ 08818-6928RadioFans.CN 收音机爱 好者资料库(2)VOLTAGE SELECTOR: To set the proper voltage, adjust the VOLTAGE SELECTOR (1) switch to 115 or 230 volts.POWER JACK (AC IN): Connect the power plug into the POWER JACK (2) for power.REMOTE CONTROL: Use the included CABLE & REMOTE CONTROL (3) jacks to connect the REMOTE CONTROLto the MAIN UNIT.LINE OUTPUT JACKS: LINE OUTPUT JACKS (4) provide stereo sound via RCA cables to your mixer or receiver.NOTE: MAKE SURE CABLES ARE PLUGGED IN TIGHT FOR OPTIMAL SOUND.BNC (DIGITAL OUTPUT): Use the BNC (5) jack to connect to any type of device that accepts digital signals.POWER: Press the POWER (6) button to turn on the CD player.NOTE: MAKE SURE VOLTAGE SELECTOR SWITCH (1) IS SET BEFORE USE.DISC TRAY: Put a CD in the DISC TRAY (7) after pressing OPEN/CLOSE (8); trays hold both 12 cm and 8 cm CDs.OPEN/CLOSE: Tap OPEN/CLOSE (8) once to open the tray and again to close it.DISPLAY: The DISPLAY (9) shows the various functions for the CD Player. See FUNCTION DESCRIPTIONS fordetails.PLAYBACK DISPLAY BAR: The PLAYBACK DISPLAY BAR (10) shows the TIME ELAPSED and TIME REMAINING.PLAY/PAUSE: Press PLAY/PAUSE (11) button to activate PLAY or PAUSE mode. See CUE or ROBO STARTINSTRUCTIONS for details.CUE/PREVIEW: Tap CUE/PREVIEW (12) to come back to a set CUE or press and hold to PREVIEW from a CUE,refer to CUE INSTRUCTIONS.SEARCH: Use the SEARCH (13) buttons to scan forward and reverse directions on a TRACK.TRACK SEARCH: Press the TRACK SEARCH (14) buttons to select which TRACK to play.TIME: Tap the TIME (15) button to switch the TIME preference in three modes: ELAPSED, REMAIN, TOTAL REMAIN.STOP: Press STOP (16) once to stop the CD.SINGLE AUTO CUE/CONTINUE: Tap SINGLE AUTO CUE/CONTINUE (17) for: SINGLE AUTO CUE, CONTINUOUS,and NORMAL modes.FLY CUE: FLY CUE (18) sets a CUE POINT on the fly.B/EXIT: Press B/EXIT (19) in PLAY mode, after a CUE POINT is memorized to start a LOOP, press again to exit LOOP.B-EDIT: Press B-EDIT (20) and use the JOG WHEEL (22) to edit an existing LOOP, press again to exit EDIT mode.RETURN: To play from a saved CUE POINT or a LOOP, press RETURN (21) to play the LOOP or the CUE again.JOG WHEEL: The JOG WHEEL (22) has various functions: PITCH BEND, CUEING, and TRACK SEARCHING.SEARCH MODE: Press to change the SEARCH MODE (23) of the JOG WHEEL (22) from MUSIC to TRACK mode.SEARCH MODE LED: The SEARCH MODE LED (24) displays which SEARCH MODE (23) is in use.PITCH: The PITCH (25) button activates the PITCH CONTROL SLIDE (27)PITCH BEND: Buttons for PITCH BEND (26), lower or raise the pitch percentage (- or +) 4% when pressed.PITCH CONTROL SLIDE: Moving the PITCH CONTROL SLIDE (27) up or down will lower or raise the pitchpercentage (- or +) 4%, 8%, & 16%.VPS (VARIABLE PITCH SELECTOR) 4%, 8% & 16%: Use the VPS (28) buttons use to change the PITCH settingsfrom 4%, 8%, & 16%.ROBO START: Using ROBO START (29) enables you to alternate play between two CDs using both sides.QUICK START GUIDE:1234567891011121314151617181920212223242526272829RadioFans.CN 收音机爱 好者资料库(3)MP-3000X(REMOTE CONTROL UNIT)(4)(MAIN UNIT)(DIGITAL MIXER OR AMP)(5)INTRODUCTION:Congratulations on your purchase of a Gemini MP-3000X CD Player. Your state-of-the-art professional CD Player is backed by a three-year warranty that excludeslasers, which are covered by a separate one-year warranty. Prior to use of this unit,we suggest you carefully read the following instructions. Your Gemini MP-3000XCD Player comes equipped with ADCS (Automatic Disc Calibration System), aunique state-of-the-art feature. CDs are produced by a variety of manufacturers andrecorded by many different professional companies as well as the do-it-yourselfersat home. Therefore, all CDs do not play the same. The ADCS automaticallyadjusts the laser in your MP-3000X CD Player for each individual CD you insert intothe tray, to give you the best possible performance for every CD you play regardlessof how it was manufactured or how it was recorded. With this exclusive system youalways get consistent and reliable performance as well as exceptional sound qualityevery time you play a CD. any CD.FEATURES: Can Play: MP3/AUDIO CDS, CDR, CDRW Frame- Accurate & Ultra-Fast Track Music Search ADCS (Automatic Disc Calibration System) 4%, 8%, 16% Pitch Control Range Pitch Bend Robo-Start Instant Start Anti-Shock Buffer Memory Search Mode Selector Inner/Outer Jog Wheel Adjustable Pitch Control Real-Time Editing For Loop High-Visibility Blue LED Display Cue, Pitch, Loop & BendCAUTIONS:Do not use this CD player at temperatures below 41F/5C or higher than 95F/35C.The apparatus should not be exposed to dripping or splashing, and no objects filledwith liquids such as vases should be placed on the apparatus.Place the unit in a clean and dry location.Do not place the unit in an unstable location.When disconnecting the power cord from an AC outlet, always grasp it by the plug.Never pull the power cord.To prevent electric shock, do not remove the cover or the bottom screws.There are no user serviceable parts inside.Please refer servicing to a qualified technician.Do not use chemical solvents to clean the unit.Keep the laser pickup clean by keeping the tray closed.Keep this manual in a safe place for future reference.SAFETY CERTIFICATIONS:Laser Diode PropertiesMaterial: Ga - Al - AsWavelength: 755 - 815 nm (25 C)Laser Output: Continuous Wave, max. 5mWCAUTIONSLINE VOLTAGE SELECTION:The Gemini MP-3000X CD Player is a dual voltage unit operating at 115 or 230volts. Be sure to set the proper voltage:1. Place the head of a screwdriver in the center of the VOLTAGE SELECTOR (1)switch found on the rear panel.2. Slide the switch to 115 or 230 volts.3. Do not force or twist the switch. Excessive force may cause damage. If the switchdoes not move smoothly, contact a qualified technician.CONNECTIONS:1. Using the included cable, plug one end into the REMOTE CONTROL (3) jack andthe other end in the (MAIN UNIT) REMOTE CONTROL (3) jack.2. Plug one end of a set of RCA connectors into the two LINE OUTPUT JACKS (4) onthe back of your CD unit.3. Plug the other end of the RCA connectors into any of the available line level inputjacks on your mixer. If you are playing the MP-3000X through a receiver, you canplug the RCA connectors into the CD or AUX INPUT JACKS located on thereceiver. If there are no CD or AUX INPUTS, use any line level (not phono) input.4. The DIGITAL OUTPUT- BNC (5) jacks are for connecting to any type of DAT, MD,HARD DRIVE, or any other type of device that accept digital signals.FUNCTIONS:POWER: After making sure the VOLTAGE SELECTOR (1) switch is properly set, plugthe unit in and press the POWER (6) button. The unit will turn on. PushingPOWER (6) a second time turns the unit off.DISC TRAY: The DISC TRAY (7) is where the CD is held during loading, unloading andplayback. Pressing OPEN/CLOSE (8) opens or closes the tray. The DISC TRAY(7) holds both 12 cm and 8 cm CDs and automatically closes after remaining openfor three minutes.NOTE: THE DISC TRAY (7) WILL NOT OPEN WHEN THE MP-3000X IS IN THE PLAY MODE.OPEN/CLOSE: Press OPEN/CLOSE (8) to load or remove a CD from the DISC TRAY (7).DISPLAY: The DISPLAY (9) shows: TOTAL TRACKS, TRACK NUMBER, PITCHVALUE, SINGLE-AUTO CUE, CONTINUE (continuous play), and three differenttime displays: ELAPSED, REMAIN and TOTAL REMAIN on a disc. Time ismeasured in MINUTES, SECONDS and FRAMES.NOTE: FOR MP3 DISCS THE DISPLAY WILL ONLY SHOW THE ELASPSED AND REMAIN TIME.PLAYBACK DISPLAY BAR: The PLAYBACK DISPLAY BAR (10) displays theremaining play time and time elapsed for each track. The display flashes slowlywhen the track has 15 seconds remaining and pulses rapidly when play time isdown to 5 seconds.PLAY/PAUSE : Each press of PLAY/PAUSE (11) causes the operation to changefrom PLAY to PAUSE or PAUSE to PLAY.CUE/PREVIEW: With the unit in the PLAY mode and after the CUE POINT has beenprogrammed, pressing CUE/PREVIEW (12) will cause the CD player to enter thePAUSE mode at the programmed CUE POINT. Holding down the CUE/PREVIEW(12) button changes the function to PREVIEW and starts the CD from theprogrammed CUE POINT. Releasing the CUE/PREVIEW (12) button will return theCD laser to the preset CUE POINT.SEARCH : The SEARCH (13) buttons are used to move forward or reverse whilein PLAY or PAUSE mode. See the CUE INSTRUCTIONS section for more information.TRACK SEARCH : The TRACK SEARCH (14) buttons let you select a track to play.TIME: The TIME (15) button switches the time display between the three availablechoices listed under DISPLAY (9).STOP : The STOP (16) button ends CD play.SINGLE AUTO CUE/CONTINUE: Pressing SINGLE AUTO CUE/CONTINUE (17)activates the AUTO CUE function. The AUTO CUE causes the CD to pause atthe recorded beginning of the next track and allows you to start play into the nextsong with no space in between songs. Pressing SINGLE AUTO CUE/CONTINUE(17) a second time will activate the CONTINUOUS function. This causes the CD torepeat play continuously until SINGLE AUTO CUE/CONTINUE (17) is presseda third time to deactivate the CONTINUOUS function. Player will play from thebeginning to the end of a CD and stop, in NORMAL mode.FLY CUE: The FLY CUE (18) function lets you set cues “on the fly” with the press of abutton. Press FLY CUE (18) when the disc reaches the musical location you wish tomake your cue or start point. The CUE POINT is now programmed. Press CUE/PREVIEW (12) to return to the CUE POINT. Press PLAY/PAUSE (11) and the unitstarts from the pre-programmed spot.B/EXIT: After a CUE POINT is memorized, pressing the B/EXIT (19) button in PLAYmode, repeats the section between the CUE POINT and the point where the B/EXIT(19) button was pressed. Press the B/EXIT (19) button again or pause play to exitthe repeating play.B-EDIT: After a LOOP has been memorized you can change the length of the LOOPby pressing B-EDIT (20) then use the JOG WHEEL (22) to adjust the length. Toexit EDIT mode press B-EDIT (20) again.RETURN: The RETURN (15) button has two functions. To return to a previously savedLOOP from normal play, press the RETURN (15) button after saving the LOOP. Toreturn to and instantly play from a previously saved CUE POINT, press the RETURN(15) button after setting the CUE POINT (if you do not have a LOOP saved).JOG WHEEL: The JOG WHEEL (22) has two modes: MUSIC and TRACK modes.Press SEARCH MODE (23) to change between modes. In MUSIC mode you canuse the INNER WHEEL to make fine adjustments in PAUSE mode for CUEING andto bend the pitch for precise synchronization in PLAY mode. Use the OUTERWHEEL for rapid searching just like the SEARCH (13) buttons. In TRACK modethe INNER WHEEL will skip a few tracks as you turn the wheel, and the OUTERWHEEL will jump through many tracks when turned.PITCH: Pushing the PITCH (25) button activates the PITCH section of the unit. Thepitch of the CD will change according to the position of the PITCH CONTROL SLIDE (27).PITCH BEND : Pushing the PITCH BEND (26) buttons will automatically raisethe pitch up to +4% or lower the pitch down to -4% from the existing setting.Releasing the buttons returns pitch to the original setting. Use this function tomatch the pitch bend when mixing from one song to another.VPS (VARIABLE PITCH SELECTOR) 4%, 8% and 16%: Use the VPS (28) buttons toassign the percent the PITCH CONTROL SLIDE (27) will have. The 4% button will assign+/- 4% to the PITCH CONTROL SLIDE (27). The 8% button will assign +/- 8% to thePITCH CONTROL SLIDE (27). The 16% button will assign +/- 16% to the PITCHCONTROL SLIDE (27). The PITCH (25) button must be ON for the VPS (28) to work.OPERATING INSTRUCTIONS:1. Make sure that the VOLTAGE SELECTOR SWITCH (1), found on the rear panel, isset for the proper voltage. Plug the unit in and press the POWER (6) switch. Theunit is ON. Pushing POWER (6) a second time turns the unit OFF.2. Press OPEN/CLOSE (8) and place a CD in the DISC TRAY (7). Press OPEN/CLOSE (8) again. The tray will close.3. Push TRACK SEARCH (14) to select the track you wish to play.4. Press PLAY/PAUSE (11) and the unit will instantly play.(6)ORDER OF READING FOR MP3 FILES:All MP3 files must have the extension *.mp3. If there are no files with *.mp3extensions or MP-3000X cannot read the file system correctly the CD player willindicate NO DISK and the MP3 segment in the right corner of LCD display will blink.If a file has no *.mp3 extension, it will be skipped, during the file system reading.(See w.wna and r.jpg files in the diagram). UDF format is not supported. For MP3files with adaptive bit-rates, the ELAPSED and REMAIN time indication may beinaccurate. The MP-3000X will only play the first session of tracks on a CD that hasbeen recorded in a MULTISESSION or MIXED mode.Order of reading for MP3 files: a.mp3, f.mp3, e.mp3, c.mp3, b.mp3, d.mp3,g.mp3, h.mp3.FLY CUE & CUE INSTRUCTIONS:The FLY CUE (18) function lets you set cues “on the fly” with the press of a button.Press FLY CUE (18) when the disc reaches the musical location you wish to makeyour CUE or START POINT. The CUE POINT is now programmed. Press CUE/PREVIEW (12) to return to the CUE POINT. Press PLAY/PAUSE (11) and the unitwill instantly start from this pre-programmed spot.AND/OR:1. To preprogram a cue point (the spot on a CD at which you want play to start) selectthe proper track and push PLAY/PAUSE (11) so the unit enters the PLAY mode.When the CD reaches the approximate musical spot you wish to make your cue,push PLAY/PAUSE (11) so the unit enters the PAUSE mode (PLAY/PAUSE LEDblinks). Move the JOG WHEEL (22) forward or in reverse until the precise spot atwhich you want CD play to begin is located. For MP3 disks use the INNER WHEELto find the precise spot. (You will not hear the music when moving OUTER WHEEL).Push PLAY/PAUSE (11). The cue point is now programmed. Press CUE/PREVIEW(12) to return to this preprogrammed cue point at any time. Push PLAY/PAUSE (11)and the unit will instantly play from the pre-selected spot.2. To fine-tune your pre-programmed CUE POINT, push PLAY/PAUSE (11) so the unitenters the PLAY mode. Push the CUE/PREVIEW (12) button and the CD will returnto the CUE POINT you programmed in step #1 and begin play from that point. Ifyou decide this CUE or STARTING POINT is okay, leave the unit alone until you areready to play.3. If, however, the selected spot is not exactly where you want it, push the CUE/PREVIEW (12) button while the CD is playing and the disc will return to the pre-programmed cue point. Locate the exact spot on the CD at which you want play tostart by turning the JOG WHEEL (22). Push PLAY/PAUSE (11) to preprogram this newcue point. Press the CUE/PREVIEW (12) button to pause play at the new CUE POINT.Push PLAY/PAUSE (11) at any time and the unit will play from the pre-selected spot.ROBO START INSTRUCTIONS: