Gemini-FX7000-mix-sm维修电路原理图.pdf

(1)?FX-7000PRO STEREO MIXER WITH DSP EFFECTSCONTENTS:Connections & Operations:.Page 2-6Specifications:.Page 6Parts Lists:.Page 7-12PCBs:.Page 13-16Schematics:.Page 17-24Gemini Sound Products Corp.120 Clover Place P.O. Box 6928Edison, NJ 08818-6928732-738-9003 (Phone) 732-738-9006 (Fax)RadioFans.CN 收音机爱 好者资料库(2)123456789101112131415161718192021222324252627282930313233343536373839404143444546474842495051525455565357QUICK START GUIDE:AC 15V: Use this input to connect the power, plug the adapter into an outlet and the AC 15V (1) input.POWER: To turn on the POWER (2), press this switch once.BALANCED OUTPUT: Use the BALANCED OUTPUT (3) to connect to your amplifiers BALANCED input.MASTER OUTPUT: An unbalanced output to connect to your amplifiers input.ZONE OUTPUT: Connect this line to an additional amplifier or powered speakers.REC OUTPUT: To record a mix, connect this line to a recording device.SEND: An output used to send your mix to an outboard signal processor.RETURN: An input that receives a signal from your outboard signal processor.LINE 5 INPUT: To connect any line in devices, such as a CD Player, DAT, MiniDisc, etc.PH3/L4 INPUT (PHONO3/LINE4): To connect a TURNTABLE or LINE input into the mixer.LINE 3 INPUT: SEE LINE 9PH2/L2 INPUT (PHONO2/LINE2): SEE LINE 10PH1/L1 INPUT (PHONO1/LINE1): SEE LINE 10MIC 2: Plug in your second MICROPHONE here.PHONO/LINE SWITCH: Controls what kind of device is heard on the PH3/L4 (10) input.PHONO/LINE SWITCH: Controls what kind of device is heard on the PH2/L2 (12) input.PHONO/LINE SWITCH: Controls what kind of device is heard on the PH1/L1 (13) input.GROUND SCREW: Connect your ground wire from your turntable here.MIC 1: Plug in the main MICROPHONE here.HEADPHONES: Plug in your HEADPHONES in here, to listen to your mix.CROSSFADER CURVE: Pressing this button changes the CROSSFADER (23) curve from gradual to sharp.X-FADER ASSIGN: Use to select CHANNEL 1 or 2, for which channel is assigned to the left side of the CROSSFADER (23).CROSSFADER: Shifting the CROSSFADER (23) from left to right will enable you to mix different channels.CROSSFADER REVERSE SWITCH: This reverses the location of the channels assigned to the CROSSFADER (23).DSP EFFECT: Press DSP EFFECT (25) to turn the effect on or off that is being chosen.CHANNEL 1 SLIDE: Moving this slide up or down raises and lowers the volume for CHANNEL 1.CHANNEL 2 SLIDE: Moving this slide up or down raises and lowers the volume for CHANNEL 2.CHANNEL 3 SLIDE: Moving this slide up or down raises and lowers the volume for CHANNEL 3.CUE CH1: Press CUE CH1 (29) to hear CHANNEL 1 thru the HEADPHONES.CUE CH2: Press CUE CH2 (30) to hear CHANNEL 2 thru the HEADPHONES.CUE CH3: Press CUE CH3 (31) to hear CHANNEL 3 thru the HEADPHONES.CUE EFF: Press CUE EFF (32) to hear the effect that is being applied to CHANNELS 1-3, MIC 1 or the MASTER (PGM)with the HEADPHONES.CH-1 SWITCH: Flipping this switch changes the CHANNEL 1 input from MIC 2 to PH1/L1.CH-2 SWITCH: Flipping this switch changes the CHANNEL 2 input from PH2/L2 to L3.CH-3 SWITCH: Flipping this switch changes the CHANNEL 3 input from PH3/L4 to L5.LOW: Controls the LOW (Bass) range for the channels.MID: Controls the MID (Middle) range for the channels.HIGH: Controls the HIGH (Treble) range for the channels.GAIN: Controls the overall volume GAIN for each of the channels.VU METER: The VU METER (40) displays the LEFT & RIGHT CHANNEL levels or the CUE and PGM.VU METER MODE: Press VU METER MODE (41) button to change the VU METER (40) mode.CUE SPLIT: Pressing CUE SPLIT (42) lets you hear the CUE on the left side earphone and the PGM on the right side.CUE-PGM: Turning CUE-PGM (43), from left to right changes the monitored CUE to PGM (MASTER).CUE LEVEL: CUE LEVEL (44) controls the level of the CUE.MASTER: MASTER (45) controls the level of the MASTER OUTPUT (4) & BALANCED OUTPUT (3).ZONE: ZONE (46) controls the level of the ZONE OUTPUT (5).MIC 1/TALKOVER: MIC 1/TALKOVER (47) switch activates MIC 1 (19) and TALKOVER.MIC 1/TALKOVER LED: The MIC 1/TALKOVER LED (48) glows when the MIC 1/TALKOVER (47) switch is on.MIC1 LEVEL: MIC 1 LEVEL (49) controls the volume of MIC 1 (19).LOW: For adjusting the BASS level on MIC 1 (19).HIGH: For adjusting the TREBLE level on MIC 1 (19).CHANNEL SELECTOR: Moving the CHANNEL SELECTOR (52) will assign CHANNELS 1-3, MIC 1 or the MASTER(PGM) that the DSP SIGNAL PROCESSOR is affecting. Use CUE EFF (32) to hear the effect before pressing.EFFECT SELECTOR: Turn this knob to select 1-16 effects.DSP EFFECTS: Here is the list of effects, refer to DSP SIGNAL PROCESSOR section for details.PARAMETER LED DISPLAY: PARAMETER LED DISPLAY (55) displays the chosen effect and the parameters.PARAMETER KNOB: PARAMETER (56) knob changes the parameters (1-99) of the chosen effect.WET/DRY: Turning the WET/DRY (57) knob lets you activate the effects signal in and out of the mix.RadioFans.CN 收音机爱 好者资料库(3)FX-7000 FACEPLEASE REFER TO FUNCTION DESCRIPTIONS FOR DETAILED INSTRUCTIONS(4)FX-7000 FRONT AND BACK PANELPLEASE REFER TO CONNECTIONS SECTION FOR DETAILED INSTRUCTIONSBACKFRONT(5)6. The MIC 1 (19) input (found on the front panel) accepts a 1/4 connector.The MIC 2 (14) input (found on the rear panel) accepts 1/4 connector.They both accept BALANCED or UNBALANCED microphones.OPERATION:1. POWER ON: Once you have made all the equipment connections toyour mixer, press the POWER SWITCH (2). The power will turn on andthe VU METER (40) LEDS will glow.2. CHANNEL 1: The GAIN (39), HIGH (38), MID (37), and LOW (36)controls allows you to fully adjust the selected source. CH-1 SWITCH(33) allows you to select either the MIC 2 (14) or the PHONO 1/LINE 1 (13)input. The CHANNEL 1 SLIDE (26) controls the output level of this channel.3. CHANNEL 2: The GAIN (39), HIGH (38), MID (37), and LOW (36)controls allows you to fully adjust the selected source. CH-2 SWITCH(34) allows you to select the PHONO 2/LINE 2 (12) or the LINE 3 (11)input. The CHANNEL 2 SLIDE (27) controls the input level of this channel.4. CHANNEL 3: The GAIN (39), HIGH (38), MID (37), and LOW (36)controls allows you to fully adjust the selected source. CH-3 SWITCH(12) allows you to select the PHONO 3/LINE 4 (10) or the LINE 5 (9)input. The CHANNEL 3 SLIDE (28) controls the input level of this channel.NOTE: THERE IS LOW, MID AND HIGH EQUALIZATION FOR EACH CHANNEL WITH ANEXTREMELY WIDE RANGE OF ADJUSTMENT.SUGGESTION: YOU CAN USE THE CUT FEATURES ON EACH CHANNEL TO REMOVE LOW,MID AND/OR HIGH RANGE TO CREATE SPECIAL EFFECTS.5. CROSSFADER CURVE: The CROSSFADER CURVE (21) button allowsyou to adjust the kind of curve the crossfader has. Depress theCROSSFADER CURVE (21) button to make the curve steep andcutting (perfect for scratching). Release the CROSSFADER CURVE(21) button to make the curve gradual and gentle.6. X-FADER ASSIGN: The X-FADER ASSIGN (22) enables you to set theleft side of the crossfader to either CHANNEL 1 or 2.7. CROSSFADER SECTION: The CROSSFADER (23) allows the mixingof one source into another. The left side of the CROSSFADER (23) isCHANNEL 1 or 2 and the right side is CHANNEL 3. The CROSSFADER(23) in your unit is removable and if the need arises can be easilyreplaced. Your Gemini mixer comes with an RG-45 PRO(RAILGLIDE) Dual-Rail Crossfader. RAIL GLIDE crossfadershave internal dual stainless steel rails that allow the slider to ridesmoothly and accurately from end to end. Also available is our CF-45PRO (PROGLIDE) Dual-Rail Crossfader. This unique crossfaderfeatures, state of the art conductive plastic technology, for unlimitedusage. Another crossfader we have available is the PSF-45 (PROSCRATCH) crossfader with a special curve designed for scratchmixing. Just purchase one from your Gemini dealer and follow theinstructions:1. Unscrew the outside FADER PLATE SCREWS (B). Do not touch the INSIDE SCREWS (C).2. Carefully lift the fader and unplug the CABLE (D).3. Plug the new fader into the cable and place it back in the mixer.4. Screw the fader to the mixer.8. CROSSFADER REVERSE SWITCH: The CROSSFADER REVERSESWITCH (24) allows you to reverse the crossfader so that the left sideof the crossfader controls CHANNEL 3 and CHANNEL 1 or 2 iscontrolled by the right side of the crossfader.NOTE: WHEN THE CROSSFADER REVERSE SWITCH (24) IS ACTIVATED, ONLY THE CROSSFADERREVERSES. THE CHANNEL SLIDES, GAIN, AND TONAL CONTROLS DO NOT REVERSE.9. OUTPUT CONTROL SECTION: The level of the MASTER OUTPUT (4)& BALANCED OUTPUT (3) are controlled by the MASTER (45) control.The ZONE (46) control adjusts the level of the ZONE OUTPUT (5).HINT: ZONE OUTPUT (5) IS USED BY SOME DJS TO RUN MONITOR SPEAKERS IN THE DJBOOTH. YOU CAN ALSO USE IT AS A SECOND ZONE OR AMP OUTPUT.NOTE: THE RECORD OUT (6) HAS NO LEVEL CONTROL. THE LEVEL IS SET BY THECHANNEL SLIDES AND THE GAIN CONTROLS OF THE SELECTED CHANNEL. TONALQUALITIES ARE SET BY THE LOW, MID AND HIGH CONTROLS OF THE SAME CHANNEL.INTRODUCTION:Congratulations on purchasing a Gemini FX-7000 DSP EFFECTSmixer. This state of the art mixer is backed by a three-year warranty,excluding crossfader and channel slides. Prior to use, we suggest thatyou carefully read all the instructions.FEATURES: 14 Variable Effects: Delay, Echo, Reverb, Pitch Shifters, Filters, Brake, Auto-Pan, Flanger, Phaser, Rotary, Ambient, & 9 Additional Preset Reverbs Parameter Adjustment & LED Display for easy Effect Settings Wet/Dry Adjustment Knob for Proper Program/Effect Mix Reversible Crossfader and Curve Switch Crossfader with a RAIL-GLIDETM Fader 3 Channel DSP 10 Mixer 3 Phono/5 Line/2 Mic Inputs Effect Loop Send & Return Mic with Talkover Split CueingCAUTIONS:1. All operating instructions should be read before using this equipment.2. To reduce the risk of electrical shock, do not open the unit. There are,NO USER REPLACEABLE PARTS INSIDE. Please refer servicing to aqualified Gemini Sound Products service technician.In the USA: If you experience problems with this unit, please call 1 (732) 738-9003 for GeminiCustomer Service. Do not attempt to return this equipment to your dealer.3. Do not expose this unit to direct sunlight or to a heat source such as aradiator or stove.4. This unit should be cleaned only with a damp cloth. Avoid solvents orother cleaning detergents.5. When moving this equipment, it should be placed in its original cartonand packaging. This will reduce the risk of damage during transit.6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.7. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANYCONTROLS OR SWITCHES.CONNECTIONS:1. Before plugging the adapter in the AC 15V (1) input, make sure that thePOWER (2) switch is in the off position. The VU METER LEDS (40) willbe off.2. The FX-7000 is supplied with 4 sets of output jacks:The 1/4 BALANCED OUTPUT (3) jacks are used to connect to yourmain amplifier using standard balanced cables. We recommend usingBALANCED OUTPUT (3) if the cables to your amp are 25 feet or more. The MASTER OUTPUT (4) (RCA type) jacks are unbalanced and usedto connect to your main amplifier.The ZONE OUTPUT (5) (RCA type) jacks allow you to hook up anadditional amplifier.The REC OUTPUT (6) (RCA type) jacks can be used to connect the mixer tothe record input of your recorder enabling you to record your mix.3. The FX-7000 also has an effect SEND (7) output and RETURN (8) input,for use with an outboard processor or effects unit.4. On the rear panel are 3 STEREO PHONO/LINE INPUTS (10, 12, 13)and 2 STEREO LINE INPUTS (9, 11). The PHONO/LINE SWITCH (15)enables you to set the PHONO 3/LINE 4 INPUT (10) to PHONO or LINE.The PHONO/LINE SWITCH (16) enables you to set the PHONO 2/LINE 2INPUT (12) to PHONO or LINE. The PHONO/LINE SWITCH (17)enables you to set the PHONO 1/LINE 1 INPUT (13) to PHONO or LINE.The PHONO inputs will accept only turntables with a magnetic cartridge.A GROUND SCREW (18) for you to ground your turntables is located onthe rear panel. The STEREO LINE INPUTS (9, 11) will accept any linelevel input such as a CD, DAT, MiniDisc, etc.5. Headphones can be plugged into the front panel mounted HEADPHONES(20) jack.(6)10.MIC 1/TALKOVER: The purpose of the TALKOVER section is to allowthe program playing to be muted so that the MIC can be heard abovethe music. The MIC 1/TALKOVER SWITCH (47) controls MIC 1 (19)and has three settings. When the MIC 1/TALKOVER SWITCH (47) isin the “OFF” position, MIC 1 and TALKOVER are off. When the MIC/TALKOVER SWITCH (47) is in the “MIC 1” position MIC 1 is on, theMIC/TALKOVER LED (48) will glow, but TALKOVER is off. When theMIC/TALKOVER SWITCH (47) is in the “TALKOVER” position, MIC 1and TALKOVER will be on and the volume of all sources except theMIC 1 input are lowered by 16 dB. The HIGH (51) and LOW (50)CONTROLS allow you to fully adjust the tone of MIC 1. MIC 1 LEVEL(49) controls the level of MIC 1.11.CUE SECTION: By connecting a set of headphones to theHEADPHONE (20) jack, you can monitor any or all of the channels.Press the CUE ASSIGN BUTTONS (29, 30, 31,) for CHANNELS 1-3 toselect the channel or channels to be monitored and the buttons willilluminate. Use the CUE LEVEL (44) control to adjust the headphonevolume without affecting the overall mix. By rotating the CUE PGMPAN (43) control to the left you will be able to monitor the assigned cuesignal. Rotating to the right will monitor the PGM (program) output.Pressing the CUE SPLIT (42) button lets you hear the CUE on the leftside earphone and the PGM (program) on the right. Pressing the CUEEFFECT (32) button allows you to send your EFFECT output to yourCUE MIX.12.VU METER MODE: The peak hold, dual function VU METER (40)indicates either the MASTER (38) output left and right levels, or theCUE and PGM (program) levels. You can choose the option you wantby pressing the VU METER MODE (41) button.DSP SIGNAL PROCESSOR:DSP EFFECT (25): Tap the DSP EFFECT (25) button to turn ON or turnOFF the desired effect.CHANNEL SELECTOR (52): The channel selector is for selecting thechannel you want the effect to have effect on. Use the CHANNELSELECTOR (52) to select CHANNELS 1, 2, 3, MIC 1, or the MASTERoutput. To hear it before you mix it in the PGM (program) use theCUE EFFECT (32) button.EFFECT SELECTOR (53): Turning this knob selects the effect (1-16);refer to D.S.P. EFFECTS (54) for which effect you want to use.Displayed by the PARAMETER LED DISPLAY (55). The effectsparameters (1-99) can be adjusted using the PARAMETER (56) knob.DSP EFFECTS (54): All the DSP effects are listed on the mixer here.Turning the PARAMETER (56) knob clockwise increases the effect inmost cases. Here is a brief explanation of their uses:01. SEND/RETURN: Used to connect outboard effect units.02. DELAY: Delay effect; adjust time with PARAMETER (56) knob.03. ECHO REGULAR: Echo effect, adjust time like delay effect.04. PING PONG ECHO: Echo effect with left/right panning, adjust time like delay effect.05. REVERB: Reverb effect for depth, adjust time just like delay effect.06. PITCH UP: Increases the pitch of the selected CHANNEL, Mic 1 or MASTER (PGM).07. PITCH DOWN: Decreases the pitch of the selected CHAN