Yamaha-DM-2000-E-Service-Manual-part-1电路原理图.pdf

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1、DM2000 1 SERVICE MANUAL PA 011624 1.302K-9377 Printed in Japan 02.03 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 4 DIMENSIONS. 19 PANEL LAYOUT. 20 CIRCUIT BOARD LAYOUT. 36 DISASSEMBLY PROCEDURE. 41 INSTALLING I/O CARDS. 58 LSI PIN DESCRIPTION. 59 IC BLOCK DIAGRAM. 69 CIRCUIT BOARDS. 77 INSPECTIONS.142

2、/150 SERVICE CHECK PROGRAM.159/170 TEST PROGRAM.181/182 USING BULK DUMP. 183 SAVING DM2000 DATA TO SMARTMEDIA . 184 CHECKING THE BATTERY. 187 INITIALIZING THE DM2000. 187 MIDI DATA FORMAT. 188 MIDI IMPLEMENTATION CHART . 204 PARTS LIST BLOCK DIAGRAM OVERALL CONNECTOR CIRCUIT DIAGRAM OVERALL CIRCUIT

3、DIAGRAM This document is printed on chlorine free (ECF) paper with soy ink. DIGITAL PRODUCTION CONSOLE/ PEAK METER BRIDGE/WOODEN SIDE PANELS /MB2000/SP2000 RadioFans.CN 收音机爱 好者资料库 DM2000 2 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service per

4、sonnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety procedures when servicing this p

5、roduct may result in per- sonal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representativ

6、e. IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi- cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicabl

7、e to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any d

8、iscrepancy appear to exist, please contact the distributors Service Division. WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus.

9、) IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable)

10、components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!

11、 Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. WARNING Components

12、having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTR

13、AL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the l

14、etter E or by the safety earth symbol or coloured GREEN and YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured

15、RED. * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD. RadioFans.CN 收音机爱 好者资料库 DM2000 3 LITHIUM BATTERY HANDLING This product uses a lithium battery for memory back-up. WARNING :Lithium batteries are dangerous because they can be exploded by improper handling. Observe th

16、e following pre- cautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel. Always replace with batteries of the same type. When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.

17、 Never solder directly to the cells. Perform the soldering as quickly as possible. Never reverse the battery polarities when installing. Do not short the batteries. Do not attempt to recharge these batteries. Do not disasemble the batteries. Never heat batteries or throw them into fire. ADVARSEL! Li

18、thiumbatteri-Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type. lever det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillver

19、karen. Kassera anvant batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rajahtaa, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiiin. Havita kaytetty paristo valmistajan ohjeiden mukaisesti. The following information complies with Dutc

20、h official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES. Please refer to the diassembly procedure for the removal of Back-up Battery. Leest u voor het verwijderen van de backup batterij deze beschrijving. Take care not to trap your fingers. DM2000 4 SPECIFICATIONS Number of s

21、cene memories 99 Sampling Frequency Internal 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz External Normal rate: 44.1 kHz10% to 48 kHz+6% Double rate: 88.2 kHz10% to 96 kHz+6% Signal Delay Less than 2.3 ms CH INPUT to STEREO OUT (fs=48 kHz) Less than 1.2 ms CH INPUT to STEREO OUT (fs=96 kHz) Fader 100 mm motor

22、ized with touch sense X 25 Fader Resolution +10 to 96, dB (256 steps/100 mm) input faders 0 to 130, dB (256 steps/100 mm) master faders, stereo fader Total Harmonic Distortion*1 (CH INPUT to STEREO OUT) (Input Gain=Min.) fs=48 kHz Less than 0.05% 20 Hz to 20 kHz +14 dB into 600 Less than 0.01% 1 kHz

23、 +18 dB into 600 (fs=48 kHz) fs=96 kHz Less than 0.05% 20 Hz to 40 kHz +14 dB into 600 Less than 0.01% 1 kHz +18 dB into 600 Frequency Response (CH INPUT to STEREO OUT) 20 Hz20 kHz, 0.5, 1.5 dB +4 dB into 600 (fs=48 kHz) 20 Hz40 kHz, 0.5, 1.5 dB +4 dB into 600 (fs=96 kHz) Dynamic Range (maximum leve

24、l to noise level) 110 dB typ. DA Converter (STEREO OUT) 108 dB typ. AD+DA (to STEREO OUT) fs=48 kHz 106 dB typ. AD+DA (to STEREO OUT) fs=96 kHz Hum pre fader/post fader Solo On/off Pre fader/after pan Pan 127 positions (Left= 163, Center, Right= 163) Surround pan 127 X 127 positions LFE level , 96 d

25、B to +10 dB (256 step) Routing STEREO, BUS18, DIRECT OUT Direct out Pre EQ/pre fader/post fader Metering Displayed on LCD Peak hold on/off TALKBACK Level control Analog rotary potentiometer AD converter 24-bit linear, 128-times oversampling Talkback select Built-in microphone/AD IN 124 On/off Slate

26、On/off OSCILLATOR Level 0 to 96 dB (1 dB step) On/off Waveform Sine 100 Hz, sine 1 kHz, sine 10 kHz, pink noise, burst noise Routing BUS18, AUX112, MATRIX 1L4R, STEREO L, R STEREO OUTDA converter 24-bit linear, 128-times oversampling OMNI OUT 18 Output patch SURROUND MONITOR, STEREO, BUS18, AUX112,

27、MATRIX1L4R, DIRECT OUT 196, INSERT OUT (CH196, BUS18, AUX112, MATRIX 1L4R, STEREO) DA converter 24-bit linear, 128-times oversampling CONTROL ROOM MONITOR OUT (LARGE, SMALL) Monitor select STEREO, 2TR IN DIGITAL 1, 2TR IN DIGITAL 2, 2TR IN DIGITAL 3, 2TR IN ANALOG 1, 2TR IN ANALOG 2, ASSIGN 1, 2 (BU

28、S 18/AUX 112/MATRIX 14) Solo contrast 96 to 0 dB (1 dB step) Mono On/off Dimmer On/off DA converter 24-bit linear, 128-times oversampling Level control Analog rotary potentiometer Phones level Analog rotary potentiometer Small trim Analog rotary potentiometer DM2000 6 STUDIO MONITOR OUT Monitor sele

29、ct CONTROL ROOM, STEREO, AUX 11, AUX 12 DA converter 24-bit linear, 128-times oversampling Level control Analog rotary potentiometer 2TR OUT DIGITAL 13 Dither On/off Word length 16, 20, 24-bit Output patch STEREO, BUS18, AUX 112, MATRIX 1L4R, DIRECT OUT 196, INSERT OUT, CONTROL ROOM SRC On/off (1:3

30、and 3:1 maximum input to output sample rate ratio) Option Output (SLOT 16) Available card Optional digital interface card (MY8, MY4 series) Output patch SURROUND MONITOR, STEREO, BUS18, AUX112, MATRIX 1L4R, DIRECT OUT 196, INSERT OUT (CH196, BUS18, AUX112, MATRIX 1L4R, STEREO) Dither On/off Word len

31、gth 16/20/24-bit Memory card slot SmartMedia STEREO Comp-type*4 On/off Pre EQ/pre fader/post fader Attenuator 96.0 to +12.0 dB (0.1 dB step) EQ 4-band PEQ*5 On/off On/off Fader 100 mm motorized Balance 127 positions (Left=163, Center, Right=163) Delay 043400 samples Matrix send Pre fader/post fader

32、Level (, 96 dB to +10 dB) Pan: 127 positions (Left=163, Center, Right=163) Metering Displayed on LCD Peak hold on/off BUS18 Comp-type*4 On/off Pre EQ/pre fader/post fader Attenuator 96.0 to +12.0 dB (0.1 dB step) EQ 4-band PEQ*5 On/off On/off Fader 100 mm motorized Delay 043400 samples Matrix send P

33、re fader/post fader Level (, 96 dB to +10 dB) Pan: 127 positions (Left=163, Center, Right=163) Bus to stereo Level (, 130 dB to 0 dB) On/off Pan: 127 positions (Left=163, Center, Right=163) Metering Displayed on LCD Peak hold on/off DM2000 7 AUX112 Comp-type*4 On/off Pre EQ/pre fader/post fader Atte

34、nuator 96.0 to +12.0 dB (0.1 dB step) EQ 4-band PEQ*5 On/off On/off Fader 100 mm motorized Delay 043400 samples Matrix send Pre fader/post fader Level (,96 dB to +10 dB) Pan: 127 positions (Left=163, Center, Right=163) Metering Displayed on LCD Peak hold on/off MATRIX 1L4R Comp-type*4 On/off Pre EQ/

35、pre fader/post fader Attenuator 96.0 to +12.0 dB (0.1 dB step) EQ 4-band PEQ*5 On/off On/off Fader 100 mm motorized Balance 127 positions (Left=163, Center, Right=163) Delay 043400 samples Metering Displayed on LCD Peak hold on/off SURROUND MONITOR Mute On/off Solo On/off Source BUS18, SLOT 16 Monit

36、or to C-R On/off Oscillator Pink noise/5002 kHz/1 kHz Monitor matrix 5.15.1, 5.13-1, 5.1ST, 3.13.1, 3.1ST Bass management 5 presets Monitor alignment ATT (12.0 dB to 12 dB 0.1 dB step), Delay (030.0 msec 0.01 msec step) INTERNAL EFFECTS (EFFECT 18) Bypass On/off In/out 8-in, 8-out (EFFECT12): depend

37、s on effects type 2-in, 2-out (EFFECT38): depends on effects type Effect-in from AUX112/INSERT OUT/effect-out Effect-out to Input patch/effect-in GRAPHIC EQUALIZERS (GEQ 16) On/off Band number 31 Limit 15 dB, 12 dB, 6 dB, 24 dB Insert position BUS18/AUX112/STEREO L, R/MATRIX 1L4R Japan 100 V, 50/60

38、Hz 230 W WITH OPTION 230 W WITHOUT OPTION 165 W Power RequirementsU.S./Canada120 V, 60 Hz 300 W Other220240 V, 50/60 Hz 300 W Dimensions(H x D x W)257 x 821 x 906 mm (10.1 x 32.3 x 35.7) Net weight 43 kg (94.8 lbs) Operating free-air temperature range 1035C (5095F) Storage temperature range 20 to 60

39、C (4 to 140F) DM2000 8 Supplied Accessories AC Cable CD-ROM (Studio Manager) Options Digital interface card (MY8, MY4 series) PEAK METER BRIDGE: MB2000 SIDE PANEL: SP2000 *1. Total harmonic distortion is measured with a 6 dB/octave filter 80 kHz. *2. Hum equivalent to a 20 kHz filter with infinite d

40、B/octave attenuation. *3. See “Gate Parameters” on page 8. *4. See “Comp Parameters” on page 9. *5. See “EQ Parameters” on page 8. LOW/HPFL-MIDH-MIDHIGH /LPF Q 0.110.0 (41 points) low shelving HPF 0.110.0 (41 points) 0.110.0 (41 points) high shelving LPF F 21.2 Hz20 kHz (1/12 oct step) G 18 dB (0.1

41、dB step) HPF: on/off 18 dB (0.1 dB step) 18 dB (0.1 dB step) LPF: on/off Gate Threshold 54 dB to 0 dB (0.1 dB step) Range 70 dB to 0 dB (1 dB step) Attack 0 ms120 ms (1 ms step) Hold 0.02 ms1.96 s (216 points) 48 kHz 0.02 ms2.13 s (216 points) 44.1 kHz 0.01 ms981 ms (216 points) 96 kHz 0.01 ms1.06 s

42、 (216 points) 88.2 kHz Decay 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz Ducking Threshold 54 dB to 0 dB (0.1 dB step) Range 70 dB to 0 dB (1 dB step) Attack 0 ms120 ms (1 ms step) Hold 0.02 ms1.96 s (216 points) 48

43、kHz 0.02 ms2.13 s (216 points) 44.1 kHz 0.01 ms981 ms (216 points) 96 kHz 0.01 ms1.06 s (216 points) 88.2 kHz Decay 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz EQ Parameters Gate Parameters DM2000 9 Compressor Thresh

44、old 54 dB to 0 dB (0.1 dB step) Ratio (x :1) x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20, (16 points) Out gain 0 dB to +18 dB (0.1 dB step) Knee Hard, 1, 2, 3, 4, 5 (6 step) Attack 0 ms120 ms (1 ms step) Release 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1

45、 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz Expander Threshold 54 dB to 0 dB (0.1 dB step) Ratio (x :1) x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20, (16 points) Out gain 0 dB to +18 dB (0.1 dB step) Knee Hard, 1, 2, 3, 4, 5 (6 points) Attack 0 ms120 ms (1 ms step) Release

46、 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz Compander H Threshold 54 dB to 0 dB (0.1 dB step) Ratio (x :1) x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20, (16 points) Out gain 18 dB to 0 dB (0.1 dB step

47、) Width 1 dB90 dB (1 dB step) Attack 0 ms120 ms (1 ms step) Release 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz Compander S Threshold 54 dB to 0 dB (0.1 dB step) Ratio (x :1) x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20 (15 points) Out gain 18 dB to 0 dB (0.1 dB step) Width 1 dB90 dB (1 dB step) Attack 0 ms120 ms (1 ms step) Release 5 ms42.3 s (160 points) 48 kHz 6 ms46.0 s (160 points) 44.1 kHz 3 ms21.1 s (160 points) 96 kHz 3 ms23.0 s (160 points) 88.2 kHz Comp P