Tascam-FW-1884-Service-Manual电路原理图.pdf

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1、Effective : February, 2004S-0109 SERVICE MANUAL CONTENTS 1. SPECIFICATIONS 2 2. BLOCK DIAGRAM 6 3. LEVEL DIAGRAM 7 4. EXPLODED VIEW AND PARTS LIST 8 5. PC BOARDS AND PARTS LIST 14 6. INCLUDED ACCESSORIES 26 目次 1. 仕様 2 2. 6 3. 8 4. 分解図 9 5. 基板図 15 6. 付属品 27 FW-1884 Professional Control Surface/FireWi

2、re Audio-MIDI Interface INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CUR- RENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT. RadioFans.CN 收音机爱 好者资料库 2 1. SPECIFICATIONS 仕様 TASCAMFW-1884 Spec

3、ifications Analog I/O Mic input 1-8 (Balanced) Connector:3-pin XLR jack x 8 (1: GND, 2: Hot, 3: Cold) Input impedance: 2.2k ohm Adjustable Input range: 56dBu (TRIM max) to 2 dBu (TRIM min) Maximum gain :+54 dB Line input 1-8 (Balanced) Connector: 1/4 inch TRS jack x 8 Input impedance :10k ohm at LIN

4、E/MIC 1M ohm at GUITAR (LINE Input: 8 Switchable) Adjustable input range: 42 dBu (TRIM max)to +12 dBu (TRIM min.) Maximum gain :+54 dB Insert 1-8 (Unbalanced) Connector: 1/4 inch TRS jack with tip SW x 8 (T=SEND,R=RETURN, S=GND)supported. Send Impedance : 100 ohm Normal level :-2 dBu Maximum level :

5、 +14 dBu Return Impedance:10k ohm Normal level :-2 dBu Headroom :16 dB Stereo / Surround monitor output(Balanced) Connector:1/4 inch TRS jack x 8 Output impedance:100 ohm Nominal output level: +4 dBu Maximum output leve: +20 dBu Phones output (Stereo) Connector: 1/4 inch TRS jack (T = L, R = R, S =

6、GND) x 1 Max output power:52 mW + 52 mW (32 ohm) Digital I/O Digital input (Coaxial) 2ch serial digital audio signal input terminal. ADAT/Optical Inputterminal is selectable. In the case of Hi sampling, Hi- speed mode is supported. Connector:RCA jack x 1 Input impedance:75ohm Format:AES3-1992 or IEC

7、60958 Audio bit length:length: 24bit 定格 入出力 MIC (18)入力端子 ：XLR-3-31 （1：GND、2：HOT、3：COLD ） 入力：2.2 k 入力：56 dBu（TRIM max) 2 dBu（TRIM min ） 最大：+54 dB LINE IN (18)入力端子 ：6TRS （：HOT、：COLD、：GND） 入力：10 k 1 M（LINE IN 8、GUITAR 時） 入力：42 dBu（TRIM max ） +12 dBu（TRIM min ） 最大：+54 dB INSERT (18)端子 ：6TRS (：SEND 、：RET

8、URN、：GND) Send 出力：100 規定出力：2 dBu 最大出力：+14 dBu Return 入力：10 k 規定入力：2 dBu ：16 dB SURROUND MONITOR (BAL) (18)出力端子 ：6TRS （：HOT,：COLD, ：GND） 出力：100 規定出力：+4 dBu 最大出力：+20 dBu PHONES出力端子 ：6TRS （：L, ：R, ：GND） 最大出力：52 mW +52 mW（32 負荷時） 入出力（DIGITAL I/O) COAXIAL IN端子 （2入力用。 周波数対応） ：RCA 入力：75 ：AES3-1992（AES/EBU）

9、 IEC60958（S/PDIF） （自 動判別） 長：24 RadioFans.CN 收音机爱 好者资料库 TASCAMFW-1884 3 COAXIAL OUT端子 （2出力用。 周波数対応。 ：RCA 出力：75 ：IEC60958（S/PDIF） 長：24 ADAT/OPT IN端子 （ADAT 2入力用） ： ：ADAT OPTICAL/AES3-1992 （AES/EBU）IEC60958 （S/PDIF）（自動判別） 長：24 ADAT/OPT OUT端子 （ADAT 2出力用） ： ：ADAT OPTICAL IEC60958 （S/PDIF） 長：24 他入出力 WORD S

10、YNC IN端子 ：BNC （） 入力：75 入力：TTL WORD SYNC OUT端子 ：BNC （） 出力：TTL MIDI IN (14)端子 ：5 DIN (MIDI 規格準拠) ：MIDI MIDI OUT (14)端子 ：5 DIN (MIDI 規格準拠) ：MIDI FireWire (1, 2)端子（IEEE 1394） ：IEEE 1394 ：IEEE 1394 通信速度：400Mbps Digital output (Coaxial) 2ch serial digital audio signal output terminal.ADAT/ Optical Output

11、is selectable. In the case of Hi sampling, Hi-speed mode is supported. Connector:RCA jack x 1 Output impedance:75 ohm Format:IEC60958 (Selectable) Audio bit length:24bit ADAT/Optical input (Light-pipe) ADAT optical format digital multi audio or 2CH serial audio signal input terminal. In the case of

12、2CH serial audio signal, DIGITAL IN (COAXIAL) is selectable. Connector:Light-pipe optical x 1 Format: ADAT OPTICAL at ADAT AES3 -1992 or IEC60958 (auto matically detected) at Optical Audio bit length : 24bit ADAT/Optical output(Light-pipe) ADAT optical format digital multi audio or 2CH serial audio

13、signal output terminal. In the case of 2CH serial audio signal, DIGITAL OUT (COAXIAL) is selectable. Connector:Light-pipe optical x 1 Format: ADAT OPTICAL at ADAT IEC60958 at Optical Audio bit length: 24bit at ADAT 24bit at Optical Misc. I/O Word sync input(Word clock signal input terminal) Connecto

14、r: BNC x 1 Input impedance: 75 ohm Input level:TTL level Word sync output(Word clock signal output for Word sync) Connector: BNC x 1 Output level:TTL level MIDI input 1-4( MIDI input terminal) Connector: 5-pin DIN connector (conforms to MIDI specifications x 4) Format : MIDI MIDI output 1-4( MIDI ou

15、tput terminal) Connector: 5-pin DIN connector (conforms to MIDI specifications x 4) Format : MIDI FireWire(IEEE 1394 digital interface) Connector: IEEE 1394 connector x 2 Format: IEEE 1394 Transmit rate: 400Mbps 4 TASCAMFW-1884 FOOT SW端子 （DAW用） ：6（2極） 仕様 周波数 内部：44.1 kHz / 48.0 kHz / 88.2 kHz /96.0 k

16、Hz 外部：WORD SYNC IN入力 / COAXIAL IN入力 / ADAT/OPT入力 AD/DA AD 分解能：24 bit ：103 dB（Fs=44.1 kHz, A-weight） AD最大入力：+8.1 dBu (0 dBFS) AD規定入力：7.9 dBu (16 dBFS) DA 分解能：24 bit ：106 dB（Fs=44.1kHz, Aweight) DA最大出力：+7.8 dBu (0 dBFS) DA規定出力：8.2 dBu (16 dBFS) 信号 1.5 ms以下(Fs = 48.0 kHz, LINE IN STEREO OUTPUT) 0.75 ms

17、以下(Fs = 96.0 kHz, LINE IN STEREO OUTPUT) 入出力特性 歪率(THD)：0.005%以下（20 Hz20 kHz, LINE IN 1 kHz+28 dBu入力 INSERT SEND ) 0.008%以下（20 Hz20 kHz, LINE IN 1 kHz +28 dBu入力 STEREO OUTPUT ) 周波数特性（規定時）： 20 Hz20 kHz 、0.5 dB (MIC, LINE IN INSERT SEND） 20 Hz40 kHz 、0.5 dB/1.0 dB （MIC, LINE IN INSERT SEND） 20 Hz 20 kH

18、z 、0.5 dB (LINE IN STEREO OUTPUT） 20 Hz 40 kHz 、0.5 dB/1.5 dB (LINE IN STEREO OUTPUT） （150 、20 Hz20 kHz、TRIM最大） 124 dBu以下（EIN） MIC INSERT SEND 64 dBu以下 (LINE IN STEREO OUTPUT） （1 kHz）： 80 dB以上 （STEREO OUTPUT） Foots witch Punch In/Out of DAW application Connector: Normally-open 1/4-inch TS jack Overa

19、ll System Specifications Sampling frequency Internal clock :44.1kHz / 48.0kHz / 88.2kHz / 96.0kHz External clock:Word sync input / Digital input / ADAT input AD/DA converter Analog to Digital Resolution:24 bit Dynamic range: 103 dB(Fs=44.1kHz, A-weight) AD input level Maximum:+8.1dBu (0dBFs) Nominal

20、: -7.9dBu (-16dBFs) Digital to Analog Resolution:24 bit Dynamic range: 106 dB (Fs=44.1kHz, A-weight) Analog output level Maximum: +7.8dBu(0dBFs) Nominal: -8.2dBu(-16dBFs) Signal delay 1.5 ms (Fs = 48.0kHz.LINE IN to STEREO OUTPUT) 0.75 ms(Fs = 96.0kHz.LINE IN to STEREO OUTPUT) Analog I/O THD(Level:

21、+4dBu): 0.005 %(20 Hz - 20 kHz, LINE IN 1 KHz to INSERT SEND) 0.008 %(20 Hz - 20 kHz, LINE IN 1 KHz to STEREO OUTPUT Frequency response ( nominal level) 20Hz - 20 kHz :0.5 dB, ( MIC/LINE IN to INSERT SEND ) 20Hz 40kHz :+0.5dB / 1.0 dB, ( MIC/LINE IN to INSERT SEND ) 20Hz - 20kHz :0.5 dB ( LINE IN to

22、 STEREO OUTPUT ) 20Hz 40kHz :+0.5dB / 1.5 dB, ( LINE IN to STEREO OUTPUT ) Noise level (20Hz 20kHz, TRIM max, 150 ohm) -124 dBu(EIN) (MIC IN to INSERT SEND) 80dB(STEREO OUTPUTS) 5 TASCAMFW-1884 Physical specification, etc. DimensionsW 22.9 x H 5.4 x 18.9 (W 582mm x H 136mm x D 481mm) Weight22.7 lbs

23、(10.3 kg) Power requirements 100V AC,50/60Hz/100V / 200V type Power consumption23 W 機械的仕様 外形寸法：582(幅) 136(高) 481(奥行) mm 質量：10.3 kg 電源：100 V 、50/60 Hz AC 消費電力：23 W 6 2. BLOCK DIAGRAM TASCAMFW-1884 1394 Phy chip 1394 link chip FPGA Analog I/O Digital I/O MIDI I/O Word Sync I/O AES/EBU / SPDIF User /O

24、Encoder SW LED VR Fader M T ADC DIR 8 DAC 8 DIT 2 2 ADAT/OPT /O 8/2 8/2 Encode Decode Tx Rx 4 4 PLL Foot SW CPU PWM DAC ADC(10bit) A/M protocol 2.0 EC61883-1 connection management RCRFCR Transaction Link CIP asynchronous Isochronous Audio Tx Audio Rx Galvanic isolation barrier SRAMFlash memory 64K x

25、 16256K x 8 ARM7TTDM1 processor Atmel AT91M40800 FW-1884 Audio LinkPhy Application GSIF WDM MME ASIO M DI Protocol controller Download IEEE1394 Windows Audio LinkPhy Application ASIO M DI Protocol controller Download Mac Sound Manager Fire Wire CODEC SYSTEM BLOCK DIAGRAM 7 TASCAMFW-1884 M T M T M T

26、M T M T M T M T M T 8 2 DIGITAL OUT (OPICAL) /ADAT OUT 1/L 2/R 3 4 5 6 7 8 2 8 MIC/LINE1 MIC/LINE2 MIC/LINE3 MIC/LINE4 MIC/LINE5 MIC/LINE6 MIC/LINE7 MIC/LINE8/GUITAR SPD F IN 1-L SPD F IN 1-R ADAT N 1 ADAT N 2 ADAT N 3 ADAT N 4 ADAT N 5 ADAT N 6 ADAT N 7 ADAT N 8 Analog 1 8 Analog 1 2 M T GA N FREQ

27、Q LOW LOW M D HI MID HI 2 PFL ADAT Output 1 8 Optical Output Source 8 M T M T 2 SPDIF 1 2 Analog 1 2 Coax Output Source INPUTS BOTH TRIM TRIM MONITOR BANK PHONES PHONES MIC/LINE GUTAR FADERMASTER SOLO MASTER MONITOR BUSS 1 BUSS 2 BUSS 3 BUSS 4 BUSS 5 BUSS 6 BUSS 7 BUSS 8 MONITOR MODE MUTE SOLO PAN (

28、ANALOG/ADAT/DIN) EQ Control Monitor mix mode PC control section SPDIF Input Routing Coax input(SPDIF) Optical input(TOSLink) ADAT DIN Analog Input monitor signal in place SOLO COMPUTER Duplicate of Coax Output SURROUND MONITOR DIGITAL OUT (COAXIAL) Analog Input 1 8 Analog Output 1 8 FireWire /O 8 AN

29、ALOG BLOCK DIAGRAM 8 3. LEVEL DIAGRAM TASCAMFW-1884 STEREO FADER CH FADER Head room 16dB INSERT LINE MIC +30 +20 +10 0 -10 -20 -30 -40 -50 -60 -70 dBu +28dBu -42dBu +12dBu TRIM 54dB -2dBu MIN MAX -56dBu -2dBu -7 9dBu + 8.1dBu 0dBFs -16dBFs -10 0 -20 -30 -40 -Infinity +6dB dBFs +6dB -50 -10 0 -20 -30

30、 -40 -Infinity -50 -16dBFs 0dBFs +30 +20 +10 0 -10 -20 dBu CODEC (DAC) STEREO OUTPUTS FPGA STEREO/SURROUND MONITOR OUTPUTS + 7.8dBu -8.2dBu dBFs +20 +10 0 -10 -20 dBu 52mW + 52mW / 32ohm -11.5dBu +4.5dBu PHONES + 3.8dBu -12.2dBu +14dBu -16sBFs 0dBFs +30 +20 +10 0 -10 -20 dBu CODEC ( DAC) +7.8dBu -8.

31、2sdBu -16dBFs 0dBFs DAC CODEC (ADC ) Monitor mix mode Monitor mix mode + 4dBu +20dBu +4dBu + 20dBu LINE MIC SOLO VR TASCAMFW-1884 PARTS LIST SECTION NOTES PC boards shown are viewed from parts side. Parts marked with *require longer delivery time. The parts with no reference number or no parts numbe

32、r in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit dia- grams contained in the manual. Parts marked with this sign are safety critical components. They must be replaced with identical components - refer to the appropriate parts list and ensure exa

33、ct replacement. Parts of mark can be used only with the version designated. J : JAPAN US/C : U.SA./CANADA K : KOREA E : EUROPE UK : U.K. A : AUSTRALIA 注意 基板部品面示。 印部品納期若干。 了承。 分解図部番部品及品番部品供給。 標準抵抗、省略。 回路図参照。 安全重要部品。 交換時必指定部品使用。 仕向先 J : JAPAN US/C : U.S.A./CANADA K : KOREA E : EUROPE UK : U.K. A : AUS

34、TRALIA 9 4. EXPLODED VIEW AND PARTS LIST EXPLODED VIEW-1 分解図 TASCAMFW-1884 10 EXPLODED VIEW-2 11 TASCAMFW-1884 EXPLODED VIEW-1 & -2 REF.NO.PARTS NO.DESCRIPTIONREMARKS 1- 13M0218300AKNOB,TRIM N61/N64 1- 2M01534700AKNOB,ENCORDER N64 1- 39260401001S-VR KNOB,FW1884 1- 4M00207800AESCUTCHEON GUARD 1- 5M01

35、352900BKNOB,JOG US-224 1- 63M0182300APUSH RIVETS P2632 1- 7M01533400BSHEET,LEFT 1- 8M01533500BSHEET,RIGHT 1- 9M01534400APANEL,SIDE L 1-10M01643200ASHEET,PANEL FRONT 1-11M01534500APANEL,SIDE R 1-12M01534600APANEL,FRONT 1-213B0700210ASCREW BH M4*10 (BLK) 1-22B00134000ASCREW PTITE 3*10D10 ZNY 2- 13M018

36、7400AFOOT FF015 2- 2 M01534300ACHASSIS,BOTTOM 2- 3M01532400ABRACKET,POWER 2- 4M01532500AHEAT SINK POWER 2- 53M0154500ATUBE,TO-3PCV 2- 6M01532700ABRACKET,TR 2- 7E95162920APCB ASSY,POWER FW T/C .CAUTION(Refer to page 18) 2- 8E95162950APCB ASSY,POWER FW EUR .CAUTION(Refer to page 18) 2- 9M01650300ASHIE

37、LD SHEET,DIODE 2-103M0155200ABRACKET,TRK-1 2-11M01532600ASHIELD SHEET,POWER 2-123M0155300APUSH RIVET SR345 2-13M01531701ABUTTON,RED 2-14M01531702ABUTTON,GRY 2-15M01531700ABUTTON,CLEAR1-21 2-16M01603900ABRACKET,LED B 2-17M01603800ABRACKET,LED A 2-18PCB,CONT FW.PCB ASSY, GATHER CONT FW (Refer to page

38、20) 2-19M01534200AFRAME,POWER 2-20E00804900AENCODER,EC202A128A 2-21M01533800ABRACKET,JOG 2-22PCB,TRANSPORT FW .PCB ASSY, GATHER CONT FW (Refer to page 20) 2-233M0218000ABUTTON REC 2-243M0217900ABUTTON PLAY 2-253M0217800ABUTTON STOP 2-263M0217700ABUTTON REW 2-27M01531500ABRACKET,TRANSPORT 2-28E951628

39、00APCB ASSY,MAIN FW 2-293M0182100ASPACER SUPPORT MC-8 2-30M01534000ABRACKET,MAEN R 2-31M015339-00ABRACKET,MAEN L 2-32E951682-00APCB ASSY,FADER RM FW 2-33E951624-00APCB ASSY SELECT FW 2-34PCB,MODE FW.PCB ASSY, GATHER CONT FW (Refer to page 20) TASCAMFW-1884 12 EXPLODED VIEW-3 13 TASCAMFW-1884 EXPLODE

40、D VIEW-3 REF.NO.PARTS NO.DESCRIPTIONREMARKS 3- 1M01652500ASHIELD CASE,JACK 3- 2PCB,INPUT FW.PCB ASSY, GATHER IN FW (Refer to page 23) 3- 3PCB,PHONE FW.PCB ASSY, GATHER OUT FW (Refer to page 22) 3- 4PCB,MIC FW.PCB ASSY, GATHER IN FW (Refer to page 23) 3- 5PCB,OUTPUT FW.PCB ASSY, GATHER OUT FW (Refer

41、to page 22) 3- 63M0217600ABUSHING SQB-3 3- 7M01533000ABRACKET,ANALOG 3- 83M0182100ASPACER SUPPORT MC-8 3- 9PCB,INLET FW.PCB ASSY, GATHER OUT FW (Refer to page 22) 3-105801503800BUTTON EJECT(P-N15-A) 3-119260320701BRACKET,PWRSW 3-12PCB,SYNC FW.PCB ASSY, GATHER OUT FW (Refer to page 22) 3-13PCB,MIDI F

42、W.PCB ASSY, GATHER OUT FW (Refer to page 22) 3-14M01533200ABRACKET,DIGITAL 3-155801486601ESCUTCHEON(D P-N15-A) 3-16M01533700ACHASSIS,SIDE R 3-17M01533100APLATE,ANALOG 3-18M01533300ACHASSIS,TOP 3-19M01533600ACHASSIS,SIDE L 3-213B0011306ASCREW,J.S.M3X6 NI 3-223B0702408ASCREW BPP M3X8(NI) 3-233B0700112

43、ASCREW BPB M3*12(N1) 3-243B0700604ASCREW WHIS BIND M3*4(BLK) 14 TASCAMFW-1884 MAIN FW PCB ASSY REF.NO.PARTS NO.DESCRIPTION * E95162800APCB ASSY,MAIN FW PCB,MAIN FW D1,D2 9174027030LED KP-1608IT D3 3S007224DI,FM4002 CHIP D4 3S007164DIODE,RB160L-60 D5 9174026830LED KP-1608YT D7 9174027030LED KP-1608IT

44、 D8,D10 9165028930DIODE,HVC376B D9 3S002984DIODE,1SS355 TE-17 TP D11-D52 3S002984DIODE,1SS355 TE-17 TP D53 3S007234ZDI,39V 02CZ39 CHIP D54-D57 3S007244DI,SB05-05CP CHIP J1,J2 3E021540CONNECTOR,1394UR-06 L1 3E021554COIL,ELLATV470M L2,L3 3E021564COIL,B5W-857CM-0009 L4,L5 5286051500COIL,CHIP 2.7UH K LK

45、2125 L6-L9 3E020884COIL,LQH4C100K04 L10 3E021554COIL,ELLATV470M L11-L143E020884COIL,LQH4C100K04 P1 3E029430PIN,HEADER 2.54MM 1*3P P2,P8 9144510010CONNECTOR 2316S-40G P3 3E023280CONNECT,12P A2502WV WHT P4 3E010360CONNCT PLUG B 4B-PH-K-S P5 9144546110CONNECTOR 2316S-26G P6 9144521010CN 2316S-34G P7 3E023270CONNECT,11P A2502WV WHT P14 3E022080CONNECT,12P A2001WV WHT P15,P17 9144523710CN 2316S-16G P16 3E022230CONNECT,12P A2001WV RED P18 3E023400CONNECT, 9P A2502WV RED P19 3E029450PIN,HEADER 2.54MM 2*4P P24 3E029460PIN,HEADER 2.54MM 2*10P P25