Numark D2 Director Скачать руководство пользователя страница 33

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LTR

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REVISION RECORD

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NH00 IO PCB

CODEC

P.Gaggs

12 Feb 07

NH00IOC00C.sch

9-79-0421-C-0

9-40-0421-C

Gain -0.4, DC 2V

RECORD INPUT

Buttorworth filter
Corner frequency 50kHz
Gain -1.25

AUDIO POWER SUPPLIES

LEFT IN

RIGHT IN

OUTPUT A

LEFT

RIGHT

LEFT

RIGHT

OUTPUT B

NC
NC

DNS

NOTE: COMPONENTS ASSOCIATED WITH RECORD INPUT
ARE NOT FITTED

DNS

NOTE: C38 & C60 ARE 0R RESISTORS,
FITTED TO GROUND UNUSED ADC INUTS.
ON THE NEXT REVISION, THEY WILL BE
RE-DESIGNATED AS 'R' INSTEAD OF 'C' PARTS

DNS

1 DAC_SCLK
2 DAC_LRCK

Содержание D2 Director

Страница 1: ...STANDARD OUTPUT LEVEL 1 0 0 2Vms 1KHZ 0dB S N RATIO MORE THAN 90dB FREQUENCY RESPONSE 20Hz 20KHz 2dB DYNAMIC RANGE MORE THAN 90dB CHAMMEL SEPARATION MORE THAN 90dB CHANNEL BALANCE 1dB HARMONIC DISTORTION LESS THAN 0 01 SERVICE MANUAL ...

Страница 2: ... is featured along with an innovative user interface The electronics are implemented in 3 PCBs the CPU board the I O board and the Control board This document describes the top level design of the system and should be read in conjunction with the circuit descriptions of the individual boards Block Diagram Microcontroller LEDs Switches Scratch Wheels Pitch faders PSU control CODEC CPU BOARD LCD MOD...

Страница 3: ...on the I O board SPI bus for communication between the system CPU and the control board microcontroller I O Board The I O board provides the power supply and power control for the system and the audio codec and audio output circuitry It also acts as backplane routing signals between the CPU board and the control board and LCD module Control Board This board provides a control panel with switches L...

Страница 4: ... It is the main digital engine providing the main system CPU and DSP for audio processing This document provides a circuit description for this board Block Diagram ARM CPU EP9307 SHARC DSP ADSP 21261 SDRAM 256MBit RTC 32kHz FLASH 64MBit To control board x3 x2 x3 x2 I2S audio I2S audio USB x3 Serial x2 SPI bus To codec ...

Страница 5: ...lower left corner of this sheet R31 R33 34 R36 R39 R41 R43 44 are important configuration resistors these ensure that the CPU boots in the correct mode GPIOs and interrupts Signals GPIO0 14 are general purpose I O signals that are used to control a variety of functions as described in the table below GPIO Input Output Function GPIO0 GPIO1 GPIO2 Input USB power fault 1 Normal 0 USB power fault GPIO...

Страница 6: ...ontrol board micro after that SSRX SPI data receive Driven by SHARC while loading DSP software Driven by ARM board micro after that GPIO14 SPIDS for Sharc DSP low while loading DSP S W Driven by ARM I2S audio signals I2S audio interfaces are provided between the ARM CPU and the DSP Audio can be sent in both directions though in the NH00 only the outputs from the ARM are used The DSP is the I2S mas...

Страница 7: ...o boot for some reason SHEET 2 I O PSU This sheet shows the I O connections power supplies and power control Connections to I O board PL2 3 are 50 way high density connectors that connect the various signals to the I O board I2S audio signals I2C bus SPI bus LCD interface Serial ports Power control signals OFF POWER POWERFAIL Codec reset signals ADC_RESET DAC_RESET USB ports The 3 USB ports are pr...

Страница 8: ...ed to the codec Audio from the codec is processed before being transmitted to the ARM the latter is not used in the NH00 The DSP uses a 1 2V core provided by regulator IC18 The I O supply is 3 3V IC15 is a 22 5792MHz oscillator used by the DSP to generate all the clocks in needs internally using phase locked loops The software for the DSP is loaded shortly after power up using the SPI bus as descr...

Страница 9: ...d in the NH00 DJ audio player It includes the audio codec power supply and power control circuit Block Diagram Audio CODEC Audio input 2 ch not used Audio output 4 ch Power supply Power control circuit 12V Power in System power supplies POWER switch To CPU board I2S Audio to CPU board ...

Страница 10: ...emove the 2V DC offset that the signal has at the codec output U1 A and associated components form a 2nd order low pass butterworth filter with corner frequency of 50kHz approximately and a gain of 1 25 All 4 output channels use the same circuit Q1 4 are muting transistors When switched on these clamp the audio outputs to ground to ensure no pops or clicks are heard at the output when the system i...

Страница 11: ...ply both supplies are enabled together POWER_SW is the signal from the front panel power switch It is high when the switch is pressed The power switch is monitored by both the PIC and main CPU The signal is buffered by U10 D prior to being sent to the CPU This ensures that the signal POWER is never asserted high while the system power supply is switched off which could damage the CPU OFF is a cont...

Страница 12: ...t inputs designed to connect to mixers for automation Each fader start connector carries 2 control signals There is no ground connection so the system relies on the audio also being connected in order to provide a ground The 4 fader start signals are sent to the control board microcontroller D4 7 and R13 16 provide voltage limiting to protect the micro J1 2 are the USB connectors on the rear panel...

Страница 13: ...OB FROM THE FRONT PANE B TAKE OUT THE DISCONNECT 2 PCS FROM THE LCM AND PC BOARD ASS Y C TAKE OUT THE 6 PCS SCREW FROM THE LCM D TAKE OUT THE CONNECT 2 PCS FROM THE PC BOARD ASS Y E TAKE OUT THE 16 PCS SCREW FROM THE PC BOARD ASS Y F TAKE OUT THE 4 PCS SCREW FROM THE SENSOR PCB ASS Y G TAKE OUT THE 2 PCS SCREW FROM THE USB PCB ASS Y H TAKE OUT THE CONNECT 1 PC FROM THE PC BOARD ASS Y Fig 2 ...

Страница 14: ...SASSEMBLY PROCEDURES 3 REMOVAL OF TOP COVE Fig 3 A TAKE OUT THE 4 PCS SCREW FROM THE CPU PCB ASS Y B TAKE OUT THE 7 PCS SCREW FROM THE I O PCB ASS Y AND TAKE OUT THE 6 PCS SCREW FROM THE REAR COVER Fig 3 ...

Страница 15: ... ...

Страница 16: ...WIRING DIAGRAM ...

Страница 17: ... ...

Страница 18: ...8101 ROTATE 1 2 1 PT111063202 VR KNOB 2 4 1 PT111068104 KNOB 1 12 1 PT111068105 KNOB 1 11 1 PT111068106 KNOB TAP 1 19 1 PT111069001 KNOB CIRCULE PRINTING 2 29 1 PT111070301 ADJUST TURNTABLE PAINTING 2 3 1 PT1304315 POWER CABLE RETAINER 1 40 1 PW12180UC01 POWER SUPPLY CORD 1 1 RU0610620101 PAUSE KNOB 1 14 1 RU061066911 RUBBER KNOB 2 15 1 RU061066912 RUBBER KNOB 2 16 1 RU061066913 RUBBER KNOB 2 17 1...

Страница 19: ... RESISTOR 22 SMD 1 23 R2 6 9 10 13 17 19 56 59 61 62 66 68 73 80 101 107 2 RS22210F03 RESISTOR 2K2 SMD 1 7 R31 33 39 43 100 106 110 2 RS232010F03 RESISTOR 232 SMD 1 1 R70 2 RS432210F03 RESISTOR 43K2 SMD 1 1 R25 2 RS47210F03 RESISTOR 4K7 SMD 1 6 R7 8 16 91 108 109 2 RS47310F03 RESISTOR 47K SMD 1 3 R1 21 24 2 RS499110F03 RESISTOR 4 99K SMD 1 1 R67 2 RS499210F03 RESISTOR 49 9K SMD 1 2 R40 42 2 RS5101...

Страница 20: ...8J05 RES 1K SMD 1 R23 2 RS10318F05 RES 10K SMD 2 R78 86 2 RS10318J05 RES 10K SMD 8 R35 36 44 67 68 71 72 74 2 RS113218F05 RESISTOR 4 R21 31 62 65 2 RS20318J05 RES 20K 5 0805 5 R13 16 87 2 RS22018J05 RES 22 SMD 2 R57 73 2 RS22118J05 RES 220 SMD 5 1 R80 2 RS22218J05 RES 2 2K SMD 1 R82 2 RS301118F05 RESISTOR 1 R77 2 RS412118F05 RESISTOR 4 R39 40 52 53 2 RS47418J05 RES 470K 5 0805 4 R24 27 2 SC0306RIB...

Страница 21: ...62018J05 RESISTOR 62 1 R10 3 RS91318J05 RES 91K 5 1 R25 3 RU0604401 RUBBER 18 LED16 18 22 24 26 28 30 32 34 36 38 40 41 44 3 SWDC11G SWITCH 1 X3 3 SWSKHVBE3520 TACT SWITCH 34 S1 3 5 7 15 17 23 25 26 28 36 53 54 56 SW21 3 TCS106K160B TANTALUM 10UF 16V 10 BSIZE 1 C28 3 TE622000401 SOCKET 4P 90 2 J2 3 3 TE962002603 TERMINAL 1 J5 3 VRR10302005 VARIABLE RESISTANCE 10KA 1 P3 3 VRS10306010 VR 10KB 2 P1 2...

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Страница 33: ...0 0k 1 R49 7 87k 1 R58 20 0k 1 R59 20 0k 1 C60 0 ohm R38 100 ohm C35 47pF C18 22uF 16V C8 470pF 5 6 7 U3 B TLC2272CD R51 20 0k 1 R50 7 87k 1 C38 0 ohm R43 100 ohm C39 47pF C17 22uF 16V C7 470pF v v 8 4 U3 C TLC2272CD C28 0 1uF C56 0 1uF R73 22 ohm C31 0 1uF R57 22 ohm 1 2 3 D3 BAV99 1 2 3 D8 BAV99 C23 220pF C22 1000pF R21 11 3k 1 R39 4 12k 1 R20 9 09k 1 C29 10uF 16V 3 2 1 U1 A MC33079 R22 100 ohm ...

Страница 34: ...SQD105T 751 U11 TL431 R74 10k 1 VDD 2 GP5 OSC1 CLKIN 3 GP4 OSC2 4 GP3 MCLR VPP 5 GP2 T0CKI 6 GP1 7 GP0 8 VSS U6 PIC12C508 C51 1uF R72 10k R85 10k D1 MBRD835L R82 2 2k 7 6 1 U10 A LM339 5 4 2 U10 B LM339 R77 3 01k 1 R78 10 0k 1 R67 10k v v 3 12 U10 E LM339 C6 0 1uF 9 8 14 U10 C LM339 11 10 13 U10 D LM339 R86 10 0k 1 R87 20k R71 10k R68 10k 1 2 OUT 3 IN U8 LT1086CT 3 3 C52 0 1uF C73 100uF 16V C53 0 ...

Страница 35: ... 6 J1 1 2 3 4 5 J9 1 2 3 J7 JY 3509 1 2 3 J6 JY 3509 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J15 JM24181 14 1 2 3 J14 B3B XH A LF SN 1 2 3 4 5 6 J13 S6B PH KL LF SN R4 0 ohm GND 1 VBUS 2 D 3 D 4 5 6 J2 1 2 3 4 5 J10 R1 0 ohm C4 1000pF C1 1000pF C5 1000pF C2 1000pF R24 470k R13 20k R25 470k R14 20k R27 470k R16 20k R26 470k R15 20k M1 M2 M3 M4 M5 M6 M7 1 2 3 D4 BAV99 1 2 3 D7 BAV99 R17 0 ohm R55 0 ohm R18...

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Страница 37: ...3 1 2 1 3 2 1 3 2 ...

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