Yamaha DM 2000 Version 2 Service Manual Download Page 21

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DM2000

[+48V ON/OFF] switches

[PAD] switches

[GAIN] controls

[PEAK] indicators

[SIGNAL] indicators

[INSERT ON/OFF] switches

AD Input Section

PAD

ON
OFF

OFF
ON

26dB

GAIN

PEAK

SIGNAL

INSERT

48V

e
r
t
y

Channel strips

SOLO

SEL

AUTO

Encoders

[AUTO] buttons

[SEL] buttons

[SOLO] buttons

[ON] buttons

Channel strip displays

Channel faders

Summary of Contents for DM 2000 Version 2

Page 1: ...BOARDS 77 INSPECTIONS 142 150 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 DIAGRAM This document is printed on chlorine free ECF paper with soy ink DIGITAL PR...

Page 2: ...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 components may also contain traces of chemicals found by the California Health and Welfare Agency and possibly other entities to cause ...

Page 3: ...tteries Never heat batteries or throw them into fire ADVARSEL Lithiumbatteri 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 apparattillverkaren Kassera anvant batteri enligt fabr...

Page 4: ...x Input Pad 0 dB 128 dB Equivalent Input Noise 92 dB residual output noise STEREO OUT STEREO OUT off 92 dB 96 dB S N STEREO OUT STEREO fader at nominal level and all CH INPUT faders at minimum level 64 dB 68 dB S N STEREO OUTPUT STEREO fader at nominal level and one CH INPUT fader at nominal level Maximum Voltage Gain 74 dB CH INPUT CH1 24 to STEREO OUT OMNI BUS OUT 74 dB CH INPUT CH1 24 to OMNI A...

Page 5: ...it linear 128 times oversampling Talkback select Built in microphone AD IN 1 24 On off Slate 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 BUS1 8 AUX1 12 MATRIX 1L 4R STEREO L R STEREO OUT DA converter 24 bit linear 128 times oversampling OMNI OUT 1 8 Output patch SURROUND MONITOR STEREO BUS1 8 AUX1 12 MATRIX1L 4R DIR...

Page 6: ...f Word length 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 1 63 Center Right 1 63 Delay 0 43400 samples Matrix send Pre fader post fader Level 96 dB to 10 dB Pan 127 positions Left 1 63 Center Right 1 63 Metering Displayed on LCD P...

Page 7: ...llator Pink noise 500 2 kHz 1 kHz Monitor matrix 5 1 5 1 5 1 3 1 5 1 ST 3 1 3 1 3 1 ST Bass management 5 presets Monitor alignment ATT 12 0 dB to 12 dB 0 1 dB step Delay 0 30 0 msec 0 01 msec step INTERNAL EFFECTS EFFECT 1 8 Bypass On off In out 8 in 8 out EFFECT1 2 depends on effects type 2 in 2 out EFFECT3 8 depends on effects type Effect in from AUX1 12 INSERT OUT effect out Effect out to Input...

Page 8: ...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 ms 120 ms 1 ms step Hold 0 02 ms 1 96 s 216 points 48 kHz 0 02 ms 2 13 s 216 points 44 1 kHz 0 01 ms 981 ms 216 points 96 kHz 0 01 ms 1 06 s 216 points 88 2 kHz Decay 5 ms 42 3 s 160 points 48 kHz 6 ms 46 0 s 160 points 44 1 kHz 3 ms 21 1 s 160 points 96 kHz 3 ms 23 0 ...

Page 9: ...Hz 6 ms 46 0 s 160 points 44 1 kHz 3 ms 21 1 s 160 points 96 kHz 3 ms 23 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 Width 1 dB 90 dB 1 dB step Attack 0 ms 120 ms 1 ms step Release 5 ms 42 3 s 160 points 48 kHz 6 ms 46 0 s 160 points 44 1 kHz 3 ms 21 1 s 160 points 96 kH...

Page 10: ...ns w LED AUX SELECT DISPLAY button AUX 1 AUX 2 AUX 3 AUX 4 AUX 5 AUX 6 AUX 7 AUX 8 AUX 9 AUX 10 AUX 11 AUX 12 buttons w LED FADER MODE FADER AUX MTRX button w LED ENCODER MODE DISPLAY button PAN AUX MTRX ASSIGN 1 ASSIGN 2 ASSIGN 3 ASSIGN 4 buttons w LED DISPLAY CONTROL Section DISPLAY buttons DATA DIO SETUP UTILITY MIDI REMOTE METER VIEW PAIR GROUP INPUT PATCH OUTPUT PATCH EFFECTS PLUG INS DISPLAY...

Page 11: ...NCY Q controls LOW LOW MID HIGH MID HIGH controls w SW CH COPY PASTE COPY PASTE buttons MONITOR Section MONITOR DISPLAY button STUDIO CONTROL ROOM STEREO AUX 11 AUX 12 buttons w LED SOLO CLEAR button SOLO CONTRAST control CONTROL ROOM STEREO 2TR D1 2TR D2 2TR D3 2TR A1 2TR A2 STEREO ASSIGN 1 ASSIGN 2 buttons w LED SURROUND BUS ASSIGN 1 ASSIGN 2 buttons w LED Others SURROUND MONITOR LEVEL control M...

Page 12: ...TE 2 REMOTE 3 REMOTE 4 buttons w LED STEREO AUTO SEL ON buttons w LED Fader w touch sense x 1 DATA ENTRY Section Buttons DISPLAY HISTORY BACK FORWARD INC DEC ENTER buttons Encoder Parameter wheel PEAK LED x24 INPUT 1 24 SIGNAL LED x24 INPUT 1 24 DISPLAY CONTROL Section DISPLAY 320 X 240 dot graphic LCD w contrast control potentiometer SELECTED CHANNEL Section DELAY MIX FB LEDs x2 AUX MATRIX SEND B...

Page 13: ...r memories 124 EQ library Presets 40 User memories 160 Channel library Presets 2 User memories 127 GEQ library GEQ 1 6 Presets 1 User memories 128 Surround Monitor library Presets 1 User memories 32 Input patch library Presets 1 User memories 32 Output patch library Presets 1 User memories 32 Bus to Stereo library Presets 1 User memories 32 Libraries ...

Page 14: ...6 0dB 775 mV 10 dB 2 45 V 24 dB 12 28 V INSERT IN 1 24 10K Ω 600 Ω Lines 6dB 388 mV 4 dB 1 23 V 18 dB 6 16 V Phone jack TRS Bal anced 3 2TR IN ANALOG 1 L R 10K Ω 600 Ω Lines 4 dB 1 23 V 4 dB 1 23 V 18 dB 6 16 V Phone jack TRS Bal anced 3 2TR IN ANALOG 2 L R 10K Ω 600 Ω Lines 10 dBV 0 316 V 10 dBV 0 316 V 4 dBV 1 58 V Phono Unbalanced Output Actual Source Impedance For Use With Nominal GAIN SW Outp...

Page 15: ...audio channels Emphasis NO Sampling rate depends on the internal configuration 24 bit 2 2 Dither word length 16 20 24 bit RS422 XLR 3 32 type Balanced 3 3 XLR 3 32 type connectors are balanced 1 GND 2 HOT 3 COLD 2 AES EBU 1 Professional use 24 bit 2 RS422 XLR 3 32 type Balanced 3 3 IEC 60958 4 Consumer use 4 Channel status of 2TR OUT DIGITAL 3 Type 2 audio channels Category code 2 channel PCM enco...

Page 16: ...ut patch 1 6 MY8 AE96S AES EBU YES 8 IN 8 OUT depends on output patch 1 4 MY8 AE96 AES EBU YES 8 IN 8 OUT depends on output patch 1 6 I O Port Format Level Connector in Console TO HOST Serial RS422 Mini DIN Connector 8P USB USB 1 1 0 V 3 3 V B type USB connector MIDI IN MIDI DIN Connector 5P OUT MIDI DIN Connector 5P THRU MIDI DIN Connector 5P TIME CODE IN MTC MIDI DIN Connector 5P SMPTE SMPTE Nom...

Page 17: ...D CLOCK IN 15 CONTROL IN 49 CONTROL IN 15 CONTROL OUT 49 CONTROL OUT 16 CONTROL OUT 50 CONTROL OUT 16 CONTROL IN 50 CONTROL IN 17 GND 51 ID6 IN 17 GND 51 ID6 OUT 18 GND 52 ID6 OUT 18 GND 52 ID6 IN 19 INPUT 17 18 53 INPUT 17 18 19 OUTPUT 17 18 53 OUTPUT 17 18 20 INPUT 19 20 54 INPUT 19 20 20 OUTPUT 19 20 54 OUTPUT 19 20 21 INPUT 21 22 55 INPUT 21 22 21 OUTPUT 21 22 55 OUTPUT 21 22 22 INPUT 23 24 56...

Page 18: ... Pin Pin 1 GPO0 14 GPO1 2 GPO2 15 GPO3 3 GPO4 16 GPO5 4 GPO6 17 GPO7 5 GND 18 GND 6 GND 19 GND 7 GND 20 GND 8 GND 21 5V 9 5V 22 GPI0 10 GPI1 23 N C 11 N C 24 SOLO 1 12 SMODE 1 1 For 02R SOLO control 25 MAS SLV 1 13 SPARE 1 Signal Signal Signal Signal REMOTE Port CONTROL Port MB2000 Dimensions W X H X D 904 0 X 123 5 X 95 0 mm Weight 3 8 kg ...

Page 19: ...9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 8 7 6 5 4 3 2 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 HIGH MID LOW MID 1 24 25 48 49 72 73 96 0 10 0 10 STEREO SURROUND 3 LOCATE MEMORY LOCATOR 1 2 3 4 5 6 7 8 ONLINE AUDITION LOOP MASTER PRE POST ROLL BACK IN OUT MTR END QUICK PUNCH REHEARSAL SET RETURN TO ZERO 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 ...

Page 20: ...E AUDITION LOOP MASTER PRE POST ROLL BACK IN OUT MTR END QUICK PUNCH REHEARSAL SET RETURN TO ZERO 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 0 50 40 30 20 15 10 10 5 0 5 70 60 50 40 30 20 15 10 5 0...

Page 21: ...ERT ON OFF switches AD Input Section 1 PAD ON OFF OFF ON 26dB 16 60 GAIN PEAK SIGNAL INSERT 48V q w e r t y Channel strips ON SOLO SEL AUTO 1 30 20 15 10 10 5 0 5 50 40 30 20 15 10 5 0 q w e r t y u q Encoders w AUTO buttons e SEL buttons r SOLO buttons t ON buttons y Channel strip displays u Channel faders ...

Page 22: ...AUX 1 AUX 12 buttons AUX 2 AUX 1 AUX 3 AUX 4 AUX 6 AUX 5 AUX 7 AUX 10 AUX 9 AUX 11 AUX 8 AUX 12 AUX SELECT DISPLAY q w AUX MTRX PAN ASSIGN 4 ASSIGN 3 DISPLAY ASSIGN 2 ASSIGN 1 PAN SEND LEVEL INSERT SEND ASSIGN OUTPUT INPUT q r w e ENCODER MODE AUX MTRX FADER FADER MODE q w ENCODER MODE q ENCODER MODE DISPLAY button w PAN button e AUX MTRX button r ASSIGN 1 ASSIGN 4 buttons FADER MODE q FADER butto...

Page 23: ...OTE METER VIEW PAIR GROUP INPUT PATCH OUTPUT PATCH o y t i u q w e r DISPLAY ACCESS 0 2 1 EFFECTS PLUG INS q EFFECTS PLUG INS DISPLAY button w INTERNAL EFFECTS button e GRAPHIC EQUALIZERS button r PLUG INS button t CHANNEL INSERTS button y EFFECTS PLUG INS 1 8 buttons u Parameter Up Down buttons i Parameter controls 1 4 INTERNAL EFFECTS 1 2 3 4 5 6 7 8 CHANNEL INSERTS GRAPHIC EQUALIZERS DISPLAY PL...

Page 24: ...LIZER CHANNEL COPY PASTE EQ ON ATT dB Hz kHz LOW SELECTED CHANNEL PHASE INSERT INSERT ON AUX MATRIX SEND DELAY ON TIME FB MIX LEVEL ON LEVEL ON LEVEL ON LEVEL ON AUX 1 MATRIX 1 AUX 5 AUX 9 AUX 2 MATRIX 2 AUX 6 AUX 10 AUX 3 MATRIX 3 AUX 7 AUX 11 AUX 4 MATRIX 4 AUX 8 AUX 12 DYNAMICS PAN SURROUND HIGH BANK GATE COMP GAIN GAIN Q FREQUENCY dB Hz kHz GAIN Q FREQUENCY dB Hz kHz GAIN Q FREQUENCY dB Hz kHz...

Page 25: ...PHASE INSERT INSERT ON DISPLAY q w e DELAY ON TIME FB MIX DISPLAY q w e r t DELAY q DELAY DISPLAY button w ON button e TIME control r FB MIX indicators t FB MIX control AUX MATRIX SEND LEVEL ON LEVEL ON LEVEL ON LEVEL ON AUX 1 MATRIX 1 AUX 5 AUX 9 AUX 2 MATRIX 2 AUX 6 AUX 10 AUX 3 MATRIX 3 AUX 7 AUX 11 AUX 4 MATRIX 4 AUX 8 AUX 12 BANK DISPLAY q r t w e AUX MATRIX SEND q AUX MATRIX SEND DISPLAY but...

Page 26: ...utton y GATE COMP indicators GATE ON COMP ON GATE COMP RANGE RATIO ATTACK ATTACK DECAY RELEASE THRESHOLD THRESHOLD HOLD DYNAMICS GATE COMP GAIN DISPLAY q r t y w e LINK GRAB EFFECT L EVEN R L R PAN SURROUND DISPLAY ODD q w e r t y u i q PAN SURROUND DISPLAY button w L R buttons e PAN display r PAN control t LINK button y GRAB button u EFFECT button i Joystick PAN SURROUND ...

Page 27: ...EQUALIZER LOW EQUALIZER q EQUALIZER DISPLAY button w EQ ON button e ATT control r FREQUENCY Q indicators t FREQUENCY Q controls y EQ GAIN controls u EQ displays CHANNEL COPY PASTE q w CHANNEL COPY PASTE q COPY button w PASTE button q e w REMOTE 1 REMOTE 2 REMOTE 3 REMOTE 4 LAYER MASTER 1 24 25 48 49 72 73 96 LAYER q 1 24 25 48 49 72 73 96 buttons w MASTER button e REMOTE 1 REMOTE 4 buttons ...

Page 28: ...tons e TRACK ARMING GROUP A D buttons r ALL CLEAR button t MASTER button A B C D MASTER ALL CLEAR 1 2 4 5 6 7 8 9 10 12 13 14 15 16 21 22 23 24 17 18 20 19 TRACK ARMING TRACK ARMING GROUP DISPLAY 11 3 q w t r e STORE RECALL SCENE MEMORY DISPLAY q we r y t SCENE MEMORY q SCENE MEMORY DISPLAY button w Scene memory display e Edit indicator r STORE button t Scene Up Down buttons y RECALL button ...

Page 29: ...LAY button w AUDITION button e PRE button r IN button t OUT button y POST button u SET button i MTR button o LOCATE MEMORY 1 8 buttons 0 RETURN TO ZERO button 1 END button 2 ONLINE button 3 LOOP button 4 QUICK PUNCH button 5 ROLL BACK button 6 REHEARSAL button 7 MASTER button DISPLAY LOCATE MEMORY LOCATOR 1 2 3 4 5 6 7 8 ONLINE AUDITION LOOP MASTER PRE POST ROLL BACK IN OUT MTR END QUICK PUNCH REH...

Page 30: ...TORY BACK FORWARD buttons u SHUTTLE button i SCRUB button o DEC INC buttons 0 ENTER button 1 Parameter wheel 2 Cursor buttons Data Entry Transport q SMALL TRIM control w STUDIO LEVEL control e PHONES LEVEL control r PHONES jack t Talkback mic y TALKBACK LEVEL control Monitor Phones Talkback Section TALKBACK LEVEL PHONES LEVEL PHONES STUDIO LEVEL 0 10 0 10 0 10 SMALL TRIM 0 0 10 r y t q w e ...

Page 31: ...ontrol e CLEAR button SOLO SOLO CLEAR SOLO CONTRAST q w e CONTROL ROOM 2TR D1 2TR A1 2TR D2 2TR A2 2TR D3 STEREO ASSIGN 1 ASSIGN 2 ASSIGN 1 ASSIGN 2 DIMMER SMALL MONO SURROUND MONITOR LEVEL CONTROL ROOM LEVEL BUS STEREO SURROUND 10 0 q r w t e y u i 0 2 1 3 5 6 4 o CONTROL ROOM q STEREO 2TR D1 button w STEREO 2TR D2 button e STEREO 2TR D3 button r STEREO 2TR A1 button t STEREO 2TR A2 button y STER...

Page 32: ...DM2000 32 Rear Panel AD Input Section p 33 SLOT Section p 34 Analog Master I O Section p 33 OMNI OUT Section p 33 Digital I O Control Section p 34 Power Section p 34 ...

Page 33: ...STEREO OUT 4 dB BAL connectors e SMALL CONTROL ROOM MONITOR OUT 4 dB BAL connectors r LARGE CONTROL ROOM MONITOR OUT 4 dB BAL connectors t 2TR IN ANALOG 1 4 dB BAL jacks y STEREO OUT 10 dBV UNBAL connectors u 2TR IN ANALOG 2 10 dBV UNBAL connectors Analog Master I O Section w q y u t e r q OMNI OUT Section q OMNI OUT 4dB BAL jacks ...

Page 34: ... connector i WORD CLOCK 75Ω ON OFF termination switch o WORD CLOCK IN connector 0 2TR OUT DIGITAL COAXIAL 3 connector 1 2TR OUT DIGITAL AES EBU 1 2 connectors 2 2TR IN DIGITAL COAXIAL 3 connector 3 2TR IN DIGITAL AES EBU 1 2 connectors 4 METER port 5 CONTROL port 6 REMOTE port 7 MIDI IN OUT THRU ports 8 CASCADE IN OUT ports q POWER ON OFF switch w Grounding screw e AC IN connector r Cooling fan Po...

Page 35: ...VER 12 15 18 24 30 36 48 3 6 9 0 OVER 12 15 18 24 30 36 48 3 6 9 0 OVER 12 15 18 24 30 36 48 3 6 9 0 OVER 12 15 18 24 30 36 48 3 6 9 PRE EQ INPUT METERING POSITION PRE FADER POST FADER OUTPUT METERING POSITION PRE EQ PRE FADER POST FADER MASTER 25 48 49 72 73 96 1 48 49 96 1 24 PEAK HOLD REMOTE 4 REMOTE 3 REMOTE 2 REMOTE 1 TIME CODE BEAT CLOCK MEASURE H M S F 2 4 6 8 10 12 14 18 24 30 36 42 48 56 ...

Page 36: ...DM2000 36 CIRCUIT BOARD LAYOUT Bottom Assembly DM2000 Power Supply Unit Top View BRG JK1 OPT DSP CPU Top View Rear View JK2 BRG DSP CPU OPT DA1 DA1 JK1 JK1 Power Supply Unit ...

Page 37: ...37 DM2000 Top View Shield Box Cover Shield Box Power Supply Unit BRG JK2 OPT DSP SW Inside the shield box ...

Page 38: ... 14 ANI 16 ANI 18 ANI 19 ANI 21 ANI 24 ANI 23 ANI 22 ANI 20 ANI 12 ANI 8 ANI 2 ANI 4 AD 2 AD 1 AD 2 DA2 DA2 ANI 2 ANI 3 ANI 4 ANI 5 ANI 6 ANI 7 ANI 8 ANI 9 ANI 10 ANI 11 ANI 12 ANI 13 ANI 14 ANI 15 ANI 16 ANI 17 ANI 18 ANI 19 ANI 20 ANI 21 ANI 22 ANI 23 LRG LRG PHN PHN ST ST 2TRI SML SML STD STD ANI 24 2TRI Rear Assembly U ...

Page 39: ...D1 PN1 DS FD2 PN2 2 2 PN4 2 2 PN4 1 2 PN4 1 2 PN4 2 2 PN3 PN3 PN2 1 2 PN2 1 2 LCD Assembly LCD Assembly Display Tube B 1 2 Display Tube B 2 2 Display Tube A Display Tube B 1 2 Display Tube B 2 2 Display Tube A PN2 2 2 Control Panel Assembly ...

Page 40: ...DM2000 40 Bottom View Bottom View LCDCOM CNT DC PN1 PN2 LCDCOM INV LCD Rear View Front View LCD Assembly MB2000 ...

Page 41: ...See procedure 2 3 3 Remove the twenty 20 screws marked 60A the eight 8 screws marked 60B and the seven 7 screws marked 60C Fig 2 3 4 Hold the LCD assembly part and lift the control panel assembly And then fasten them by the two 2 front stays Photo 3 When assembling the control panel assembly with the side panel put the screws of the round screw hole of the side panel in place first then the screws...

Page 42: ...ssembly Front stay Photo 4 Rear assembly U Rear stay Photo 5 4 Rear Assembly U Time required About 15 minutes 4 1 Remove the SP2000 See procedure 1 4 2 Remove the MB2000 See procedure 2 4 3 Fasten the control panel assembly See procedure 3 4 4 Remove the two 2 screws marked 60D and the seven 7 screws marked 60E Fig 2 4 5 Lift the rear assembly U from the rear side and fasten them by the two 2 rear...

Page 43: ...2 7 3 Fasten the control panel assembly See procedure 3 7 4 Fasten the rear assembly U See procedure 4 7 5 Remove the CPU circuit board See procedure 5 7 6 Remove the seven 7 screws marked 310 and the five 5 hexagonal spacers The DSP circuit board can then be removed Fig 3 8 BRG Circuit Board Time required About 20 minutes 8 1 Remove the SP2000 See procedure 1 8 2 Remove the MB2000 See procedure 2...

Page 44: ...ct can then be removed with the DA1 and JK1 circuit boards Fig 4 5 11 6 DA1 Circuit Board Remove the three 3 screws marked 240 The DA1 circuit board can then be removed from P C B holder Fig 5 11 7 JK1 Circuit Board Remove the DA1 circuit board See procedure 11 6 Remove the three 3 screws marked 365 The JK1 circuit board can then be removed from P C B holder Fig 4 12 JK2 Circuit Board Time require...

Page 45: ...procedure 1 13 2 Remove the MB2000 See procedure 2 13 3 Fasten the control panel assembly See procedure 3 13 4 Fasten the rear assembly U See procedure 4 13 5 Remove the four 4 screws marked 130 The DC fan motor the two 2 fan guides the fan guard and the two 2 toothed lock washers can then be removed Fig 3 14 AC Inlet Assembly and SW Circuit Board Time required About 25 minutes each 14 1 Remove th...

Page 46: ...let Assembly Remove the screw marked 205B and the cord holder The AC inlet assembly can then be removed from the shield box Fig 6 14 8 SW Circuit Board Remove the power switch knob the three 3 screws marked 205C and the two 2 screws marked 210A The SW circuit board can then be removed from the shield box Fig 5 6 Rear Assembly U 15 PC Support Time required About 15 minutes 15 1 Remove the SP2000 Se...

Page 47: ...900 370 Bonding Tapping Screw B 3 0X8 MFZN2BL VN413300 380 Bonding Screw 3 0X8 MFZN2BL VP157800 Fig 6 205 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 210A Bind Head Screw 3 0X8 MFZN2BL VB659000 P C B holder Rear panel L Power switch knob Power switch escutcheon 240 380 380 C 370 235 x 6 DA1 370 D E F 355 225 350A Top view Rear view Shield box cover Ferrite core AC inlet Cord holder AC inlet a...

Page 48: ...rom the DA2 circuit board The LRG circuit board can then be removed Fig 7 17 7 SML Circuit Board Remove the four 4 screws marked 160D and disconnect the connector from the DA2 circuit board The SML circuit board can then be removed Fig 7 17 8 ST Circuit Board Remove the four 4 screws marked 160E and disconnect the connector from the DA2 circuit board The ST circuit board can then be removed Fig 7 ...

Page 49: ...600 210B Hexagonal Nut 9 0 11X2 MFZN2BL VJ388000 Rear panel U 80A x 8 AD AD DA2 80A x 8 80B x 8 Top view Fig 8 80 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 19 DA2 Circuit Board Time required About 25 minutes 19 1 Remove the SP2000 See procedure 1 19 2 Remove the MB2000 See procedure 2 19 3 Fasten the control panel assembly See procedure 3 19 4 Remove the PC support See procedure 15 19 5 Rem...

Page 50: ...ime required About 20 minutes 22 1 Remove the SP2000 See procedure 1 22 2 Remove the MB2000 See procedure 2 22 3 Remove the four 4 encoder knobs marked 330B the five 5 encoder knobs marked 332 the four 4 encoder knobs marked 334 the eight 8 encoder knobs marked 336 and the eight 8 encoder knobs marked 338B from the control panel side Fig 9 22 4 Fasten the control panel assembly See procedure 3 22 ...

Page 51: ...nobs marked 320B from the control panel side Fig 9 27 4 Fasten the control panel assembly See procedure 3 27 5 Remove the ten 10 screws marked 230B The FD2 circuit board can then be removed Fig 10 28 DS Circuit Board Time required About 15 minutes 28 1 Remove the SP2000 See procedure 1 28 2 Remove the MB2000 See procedure 2 28 3 Fasten the control panel assembly See procedure 3 28 4 Remove the two...

Page 52: ...ws marked 290B from the control panel side The LCD assembly can then be removed Fig 9 Be careful no to scratch the control panel during installation LCD assembly Control panel Knob wheel 290B x 8 330A x 4 334 x 4 332 x 5 336 x 8 338B x 8 350B 340 330B 320B x 9 320A x 16 338A x 16 Top view Photo 8 Fig 9 290B Flat Head Tapping Screw B 3 0X8 MFZN2BL EP600790 Control panel Knob wheel Hexagonal nut ...

Page 53: ...racket 270B 265 200B x 10 230A x 16 230B x 10 DS SUB FD1 FD2 A view Back side Bottom view 200B Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 230 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 265 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 270B Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 Fig 10 Fig 11 150 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 180 Bind Head Tapping Screw B...

Page 54: ...tom view Fig 13 40 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 60F Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 80C Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 100 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 Fig 12 120 Bind Head Tapping Screw B A4 0X8 MFZN2BL VC688800 125 Bind Head Tapping Screw B A3 0X6 MFZN2BL VP157900 180D Bind Head Tapping Screw B A4 0X8 MFZN2BL VC688800 ...

Page 55: ...s high voltages 31 6 LCD Remove the four 4 screws marked 40 The LCD can then be removed Fig 13 Disassembling the MB2000 32 Rear Panel Time required About 10 minutes 32 1 Remove the MB2000 See procedure 2 32 2 Remove the two 2 screws marked G The meter angle L can then be removed from the MB2000 Photo 9 The meter angle R can be removed in the same manner 32 3 Remove the twenty four 24 screws marked...

Page 56: ...d Fig 15 The opposite cannon connector can be removed in the same manner 36 DSUB Cable Time required About 15 minutes 36 1 Remove the rear panel See procedure 32 36 2 Remove the screw marked 150F The cable holder can then be removed Fig 15 36 3 Remove the DSUB cable with the bushing Fig 15 The bushing is not part of the DSUB cable When you replace the DSUB cable you should remove the bushing from ...

Page 57: ...er DSUB cable Bushing 60G x 9 60H x 9 110 110 150F PN1 DC PN2 Rear view Front view Fig 15 60 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 90 Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 110 Pan Head Screw 2 6X8 MFNI33 EE620190 150F Bind Head Tapping Screw B 3 0X8 MFZN2BL EP600190 ...

Page 58: ...e for future use 3 Insert the card between the guide rails and slide it all the way into the slot as shown below You may have to push firmly to plug the card into the inter nal connector 4 Secure the card using the attached thumbscrews Do not leave them loose as the card will not be grounded correctly which may cause the DM2000 to malfunction You can check which I O Cards are installed on the Word...

Page 59: ... Operation Mode 49 P07 AB7 I O 10 RESET I Reset Input 50 P06 AB6 I O 11 P51 TOUT XCOUT I O Port 5 51 P05 AB5 I O 12 P50 XCIN I O Port 5 52 P04 AB4 I O Port 0 13 VSS Ground 53 P03 AB3 I O 14 XIN I Quartz Crystal Input 54 P02 AB2 I O 15 XOUT O Quartz Crystal Output 55 P01 AB1 I O 16 VCC Power Supply 56 P00 AB0 I O 17 AVCC Analog Power Supply 57 P27 DB7 I O 18 LPF O Loop Filter for Synthesizer 58 P26...

Page 60: ...AUDATA 0 PTG 0 TRST PTF 7 PINT 15 TMS PTF 6 PINT 14 TDI PTF 5 PINT 13 TCK PTF 4 PINT 12 IRLS 3 PTF 3 PINT 11 IRLS 2 PTF 2 PINT 10 IRLS 1 PTF 1 PINT 9 IRLS 0 PTF 0 PINT 8 MD0 Vcc PLL1 2 CAP1 Vss PLL1 2 Vss PLL2 2 CAP2 Vcc Pll2 2 AUDCK PTH 6 Vss Vss Vcc XTAL EXTAL STATUS0 PTJ 6 STATUS1 PTJ 7 TCLK PTH 7 IROOUT VssO CKIO VccO TxD0 SCPT 0 SOK0 SCPT 1 TxD1 SCPT 2 SCK1 SCPT 3 TxD2 SCPT 4 SCK2 SCPT 5 RTS2...

Page 61: ... request Data transmission Data reception Interrupt request Port A Data transmission Port A Data reception Data bus Ground Data bus 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 D11 D10 D9 D8 VSS D7 D6 D5 VCC D4 D3 D2 D1 D0 VSS XTAL MD3 EXTAL MD2 NMI VCC MD1 MD0 PL...

Page 62: ...us of internal register WAIT output Ground Serial data input Ground Power supply 5V Serial data output Ground Parallel data bus Power supply 5V Power supply 3 3V 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 1...

Page 63: ...DA11 DA12 DA13 DA14 DA15 DA16 DA17 DA18 DA19 DA20 DA21 DA22 DA23 DA24 DA25 DA26 DA27 DA28 DA29 DA30 DA31 Vdd Test mode setting 0 TEST 1 Normal PLL enable input 0 PLL unuse 1 PLL use PLL filter Initial clear Power supply 2 5 V Ground I Mute control 0 SIO mute 1 SIO normal in out Serial I O Sync signal input Serial I O master clock input 128 x Fs System master clock input 60 MHz or 15 MHz Data bus t...

Page 64: ... 1 Synchronous output signal for DAC Fs x 1 Synchronous output signal for DSP Fs x 64 Bit clock output Fs x 1 Word clock output Fs x 128 Bit clock output Fs x 256 Bit clock output Clock synchronization control input Crystal oscillator connection or external clock input Crystal oscillator connection VCO oscillating clock connection PLL lock flag Logic section power GND PLL time constant switching o...

Page 65: ...64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 NC IRQ3N IRQ4N NC IRQ5N IRQ6N IRQ7N TXD1P RXD1P NC RTS1N NC CTS1N NC DCD1N VSS NC TXD2P RXD2P NC RTS2N CTS2N DCD2N NC TXD3P NC NC RXD3P RTS3N NC CTS3N TXD4P NC RXD4P RTS4N NC CTS4N VDD NC TXD5P NC RXD5P TXD6P RXD6P VSS FSP XCLK2P XCLK1P NC NC I I I I I O I O I I O I O I I O I O I O I O I...

Page 66: ...3 34 35 36 37 38 39 40 41 42 43 44 CTS TXD RTS LRCLK VITCGATE VITCOUT A0 A1 SMPTECS UARTSC IOR VSS VDD IOW D0 D1 D2 D3 D4 D5 D6 D7 I O O O O O I I I I I I I O I O I O I O I O I O I O I O Clear to send UART transmit data Ready to send SMPTE LTC receive clock VITE cord is for video overlay SMPTE VITE output Address bus Address bus SMPTE port chip select UART chip select Read enable Digital ground Di...

Page 67: ...ut pin Ground Unrestricted user programmable Input Output pin Secondary global Ground Bidirectional signal 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 1...

Page 68: ...udio serial data clock Audio serial data input L R clock Soft mute Double speed sampling mode De emphasis enable Digital input format 15 16 17 18 19 20 21 22 23 24 25 26 27 28 BVSS VREFL VREFH AVDD AVSS AOUTR AOUTR AOUTL AOUTL VCOM P S CKS0 CKS1 CKS2 I I O O O O O I I I I Substrate ground Low level voltage reference High level voltage reference Analog power supply 5 V Analog ground Rch negative an...

Page 69: ...ual D Type Flip Flop TC74VHC125F XW313A00 DSP IC705 JK1 IC351 HD74LV125AFPEL IS012500 SUB IC112 Quad 3 State Bus Buffer 1 2 3 1A 1Y 4 2A 5 2B 6 2Y 7 Vss 1B 14 13 12 VDD 4A 11 4Y 10 3B 9 3A 8 3Y 4B 1 2 3 1Y 1B 4 2Y 5 2A 6 2B 7 Vss 1A 14 13 12 VDD 4A 11 4B 10 3Y 9 3A 8 3B 4Y 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y Vss 14 13 12 11 10 9 8 VDD 6A 6Y 5A 5Y 4A 4Y 1 2 3 1A 2A 4 2B 5 2C 6 2Y 7 VSS 1B 14 13 12 VDD ...

Page 70: ...Y3 16 15 14 13 12 11 10 Vcc 2G 2A 2B 2Y0 2Y1 2Y2 8 GND 9 2Y3 Y2 Y3 Y1 Y0 B A G 1 2 3 4 5 6 7 1G SELECT STROBE B OUTPUT 1Y 1G IC3 IC2 IC1 IC0 1Y 16 15 14 13 12 11 10 Vcc SELECT 2G STROBE A 8 GND 9 OUTPUT 2Y 2C0 2Y 2C1 2C2 2C3 2G B B B B A A A A DATA INPUTS DATA INPUTS 1 2 3 4 5 6 7 SELECT 1A 1A 1B 1B 1Y 1Y 2A 2A 2B 2B 2Y 2Y 16 15 14 13 12 11 10 Vcc STROBE G 4A S 3Y 4A 4B 4B 4Y 4Y 3A 3A 3B 3B 8 GND ...

Page 71: ...UB IC130 TC74HC4052AF XS790A00 FD1 IC110 111 FD2 IC108 Differential 4 channel Multiplexer Demultiplexer 1G 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VDD Vcc 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 GND Vss CLEAR 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLOCK 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 Q D CK CL D Q CK CL Q D CK CL D Q CK CL ...

Page 72: ... 8 9 10 11 12 13 14 15 16 2C 2B 2D 1A 1B 1C 1D 1E 1F 1A 1B 2R 2S 2A 2B 2Y GND 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 Vcc 1S 1R 1Y 3A 3S 3R 3Y 1 2 3 4 5 6 7 1B 1A 1R 1DE 2R 2A 2B 16 15 14 13 12 11 10 Vcc 1D 1Y 1Z 2DE 2Z 2Y 8 GND 9 2D 1 2 3 4 5 6 7 INPUT A INPUT A OUTPUT A OUTPUT C INPUT C INPUT C GND ENABLE 16 15 14 13 12 11 Vcc INPUT B INPUT B OUTPUT B ENABLE OUTPUT D INPUT D 8 9 10 INPUT D 1 2 3 ...

Page 73: ...4 NC VSS VDD OUT IN 1 2 3 5 4 NC GND VCC OUT Y IN A 1 2 3 4 8 7 6 5 1A GND 3Y 2A Vcc 2Y 1Y 3A 1 5 2 3 4 IN B GND Vcc OUT Y IN A 1 5 2 3 4 IN B GND Vcc OUT Y IN A 1 2 3 4 5 6 7 GND NC NC Vref NC IN1 NC OUT1 16 15 14 13 12 11 NC Vs NC OUT2 NC Vcc NC 8 9 10 IN2 7 Protector circuit Heat interception IN1 9 IN2 11 Vcc 5 Vref GND OUT2 OUT1 Vs 1 15 13 4 M REG 1 2 3 4 5 6 7 1A 1Y 1Z 2Z 2Y 2A GND ENABLE G 1...

Page 74: ...C302 µPC4570G2 XF291A00 AD IC101 102 201 202 301 302 401 402 501 502 601 602 DA1 IC101 201 301 401 501 601 701 801 DA2 IC101 102 151 201 251 301 351 401 451 501 551 601 701 801 Dual Operational Amplifier 1 2 3 4 V 8 7 6 5 Output A V Non Inverting Input A DC Voltage Supply DC Voltage Supply Output B Inverting Input B Non Inverting Input B Inverting Input A 1 2 3 4 V 8 7 6 5 Output A V Non Inverting...

Page 75: ...2 COSC RUN SS ITH FCB SGND VOSENSE SENSE SENSE TG BOOST SW VIN INTVCC BG PGND EXTVCC 1 2 3 4 5 6 7 16 15 14 13 12 11 10 8 9 Cosc VOSENSE VFB VIN INTVCC VIN CB D1 DB CIN VSEC CSEC VOUT COUT RSENSE INTVCC CINTVCC EXTVCC VIN IREV BOT 4 VFB INTVCC BG PGND CSS Cc Rc R2 R1 Cosc 1 6 2 3 8 7 9 10 11 12 15 16 14 OSC SYNC 1 2V FORCE BOT BOOST TG SW TOP BOT TOP ON DROP OUT DET 5 2V LDO REG RUN SOFT START OVE...

Page 76: ...B G1 Y7 GND G2A 16 15 14 13 12 11 Vcc Y0 Y1 Y2 Y3 Y4 Y5 8 9 10 Y6 1 2 3 4 5 6 7 20 19 18 17 16 15 14 Vcc G B1 B2 B3 B4 B5 B6 B7 B8 8 9 10 12 11 GND A8 A7 A6 A5 A4 A3 A2 A1 D1R 13 1 2 3 4 5 6 7 1B 1A 1R 1DE 2R 2A 2B 16 15 14 13 12 11 10 Vcc 1D 1Y 1Z 2DE 2Z 2Y 8 GND 9 2D Vcc 1 2 3 IN RN6006 OUTPUT INPUT 10kΩ IN2 4 OUT2 Vcc Vcc 5 OUT1 OUT3 OUT4 IN4 IN3 16 15 14 IN8 13 12 6 7 8 11 10 9 OUT8 IN7 OUT7 O...

Page 77: ...07 JK1 Circuit Board XZ024B0 108 110 JK2 Circuit Board XZ025B0 112 LCDCOM CNT Circuit Board X2160B0 85 LCDCOM INV Circuit Board X2160B0 85 OPT Circuit Board XZ023B0 114 PN1 Circuit Board XZ026B0 116 118 PN2 1 2 Circuit Board XZ027B0 120 122 PN2 2 2 Circuit Board XZ027B0 121 122 PN3 Circuit Board XZ028B0 124 126 PN4COM PN4 1 2 Circuit Board XZ219B0 128 129 PN4COM PN4 2 2 Circuit Board XZ219B0 128 1...

Page 78: ...DM2000 78 2TRCOM 2TRI Circuit Board 2TR IN ANALOG 1 to DA2 CN151 L R L R 2TR IN ANALOG 2 Component side Pattern side 3NA V628810 1 2 ...

Page 79: ...79 DM2000 2TRCOM PHN Circuit Board to DA2 CN701 CN202 to TALKBACK MIC PHONES OUT TALKBACK LEVEL PHONES LEVEL Component side Pattern side 3NA V628810 1 2 ...

Page 80: ...DM2000 80 AD Circuit Board to DSP CN952 CN954 to DSP CN951 CN953 A A 3NA V628540 2 1 ...

Page 81: ... ANI 2 14 CN100 CN201 to ANI 3 15 CN100 CN202 to ANI 4 16 CN100 CN301 to ANI 5 17 CN100 CN302 to ANI 6 18 CN100 CN401 to ANI 7 19 CN100 CN402 to ANI 8 20 CN100 CN501 to ANI 9 21 CN100 CN502 to ANI 10 22 CN100 CN601 to ANI 11 23 CN100 CN602 to ANI 12 24 CN100 A A 3NA V628540 2 1 ...

Page 82: ...DM2000 82 AD Circuit Board B B 3NA V628540 2 1 ...

Page 83: ...83 DM2000 Pattern side B B 3NA V628540 2 1 ...

Page 84: ...ERT OUT INPUT INSERT IN to AD 1 2 CN101 CN102 CN201 CN202 CN301 CN302 CN401 CN402 CN501 CN502 CN601 CN602 INSERT ON OFF GAIN PAD 26dB 48V ON OFF SIGNAL PEAK ANI Circuit Board Component side Pattern side 3NA V628760 2 1 ...

Page 85: ...85 DM2000 to BRG CN018 to CPU CN106 to LCD to LCD backlight CONTRAST LCDCOM INV Circuit Board LCDCOM CNT Circuit Board Component side Component side 3NA V824910 2 1 ...

Page 86: ... CN961 CN007 to AD 1 CN001 CN008 to AD 2 CN001 CN009 to DA1 CN001 CN010 to DA2 CN001 to Power Supply Unit CN102 to Power Supply Unit CN103 to FAN to TEMP to JK1 CN907 to OPT CN908 to OPT CN907 C C BRG Circuit Board 3NA V628730 2 2 ...

Page 87: ... LCDCOM INV CN901 to FL Module Master CN1 to DSP CN962 to Power Supply Unit CN104 to Power Supply Unit CN101 CN019 to PN1 CN102 CN020 to PN2 1 2 CN302 CN021 to PN3 CN502 to FD2 CN102 to FD1 CN102 to SUB CN104 C C 3NA V628730 2 2 ...

Page 88: ...DM2000 88 D D BRG Circuit Board 3NA V628730 2 2 ...

Page 89: ...89 DM2000 D D Pattern side 3NA V628730 2 2 ...

Page 90: ...o DSP CN104 CPU Circuit Board Component side Lithium Battery Battery VN103500 VN103600 Battery holder for VN103500 Notice for back up battery removal Push the battery as shown in figure then the battery will pop up Druk de batterij naar beneden zoals aangeven in de tekening de batterij springt dan naar voren Battery Battery holder 3NA V776550 2 3 ...

Page 91: ...91 DM2000 CPU Circuit Board Pattern side 3NA V776550 3 3 ...

Page 92: ...DM2000 92 CONTROL ROOM MONITOR OUT LARGE to DA2 CN101 L R CRCOM LRG Circuit Board Component side Pattern side 3NA V628790 1 1 ...

Page 93: ...93 DM2000 to DA2 CN201 SMALL TRIM CONTROL ROOM MONITOR OUT SMALL L R CRCOM SML Circuit Board Component side Pattern side 3NA V628790 1 1 ...

Page 94: ...DM2000 94 to DSP CN955 to BRG CN009 1 2 3 4 5 6 7 8 OMNI OUT DA1 Circuit Board Component side 3NA V628550 1 2 ...

Page 95: ...95 DM2000 Pattern side DA1 Circuit Board 3NA V628550 1 2 ...

Page 96: ...DM2000 96 to 2TRI CN101 to LRG CN001 to SML CN002 to ST CN001 to STD CN002 to PHN CN201 CN100 to PN3 CN505 to DSP CN957 to DSP CN956 to BRG CN010 DA2 Circuit Board 3NA V628560 1 Component side ...

Page 97: ...97 DM2000 Pattern side 3NA V628560 1 DA2 Circuit Board ...

Page 98: ...DM2000 98 CN951 to AD 1 CN003 CN952 to AD 1 CN002 CN801 to OPT CN801 CN804 to OPT CN804 CN802 to OPT CN802 CN805 to OPT CN805 to CPU CN105 to CPU CN104 E E DSP Circuit Board 3NA V628520 2 1 ...

Page 99: ...2 CN904 CN905 to JK2 CN905 to JK1 CN901 CN902 to JK1 CN902 CN957 to DA2 CN902 to OPT CN807 to AD 2 CN003 to BRG CN012 CN803 to OPT CN803 CN806 to OPT CN806 CN955 to DA1 CN901 CN956 to DA2 CN901 CN954 to AD 2 CN002 E E Component side 3NA V628520 2 1 ...

Page 100: ...DM2000 100 F F DSP Circuit Board 3NA V628520 3 1 ...

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