Yamaha-MR816-dsp-sm 维修电路原理图.pdf

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1、HAMAMATSU, JAPAN200809- SY011926SERVICE MANUAL 08.09SPECIFICATIONS（総合仕様） .4/6PANEL LAYOUT（） .8CIRCUIT BOARD LAYOUT（） .9WIRING（束線組込図） .9DISASSEMBLY PROCEDURE（分解手順） .10LSI PIN DESCRIPTION（LSI 端子機能表） .14IC BLOCK DIAGRAM（IC 図） .21CIRCUIT BOARDS（基板図） .23FIRMWARE VERSION CHECK（確認） .34/35BACKUP（） .36/38INI

2、TIAL SETTING（出荷時設定） .39FACTORY SET（） .40TEST PROGRAM（） .41/53BOOT SEQUENCE（起動） . 65/66PARTS LISTBLOCK DIAGRAM（）CIRCUIT DIAGRAM（回路図） CONTENTS（目次）/MR816CSXSteinberg and Cubase are the registered trademarks of Steinberg Media Technologies GmbH.（Steinberg Cubase 、Steinberg Media Technologies GmbH 社（以下St

3、einberg ）登録商標。 ）RadioFans.CN 收音机爱 好者资料库MR816CSX/MR816X2 WARNINGComponents having special characteristics are marked and must be replaced with parts having specifi cation equal to thoseoriginally installed.WARNING: This product contains chemicals known to the State of California to cause cancer, or b

4、irth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!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

5、 come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inhere

6、nt to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated. WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the g

7、round bus in the unit (heavy gauge black wires connect to this bus.)IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordIMPORTANT. The wires in this mains lead a

8、re coloured in accordance with the following code: BLUE : NEUTRAL BROWN : LIVEAs 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 BLUE must be connected to t

9、he 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 RED.Making sure that neither core is connected to the earth terminal of the three pin plug. This applies only to users in t

10、he United Kingdom. (2 wires) 印部品、安全維持重要部品。交換場合、安全必指定部品使用。RadioFans.CN 收音机爱 好者资料库3MR816CSX/MR816X SAVING DATA（保存）Saving and backing up your data Storing the settings to internal memory of the MR816 CSX/MR816 X must be performed from the MR Editor on the computer. If you use the MR816 CSX/MR816 X with

11、 MR Editor, you can store the settings to internal memory by storing the settings as a Scene or recalling the Scene on the MR Editor. Also, you can save 20 Scenes as an Editor fi le to the computer. If you use the MR816 CSX/MR816 X with Cubase, you cannot store the settings to internal memory of the

12、 MR816 CSX/MR816 X. Save the settings as a project fi le to the computer. You should also save your Project fi les or Editor fi les onto external media as backup to avoid the loss of important data due to equipment malfunction or improper operation. If you want to store the settings edited on the MR

13、816 CSX/MR816 X without a computer, launch the MR Editor with the computer and MR connected, then perform the Scene Store operation. This operation will store the settings to the internal memory of the MR816 CSX/MR816 X and the MR Editor as a Scene.Be sure toperform it作成保存 本体内部設定保存、上 MR Editor 操作必要。

14、MR Editor 通信本体使場合、MR Editor 上本体設定（ ） 呼出行、本体内部設定保存。 MR Editor 保存 実行、Editor 本体設定（） 保存。Cubase 通信本体使場合、本体内部設定保存方法。 Cubase 設定保存。 保存 Editor 、故障誤操作失場合、外部保存。 本体使場合、本体編集設定保存、本体接続、MR Editor 起動後、 Editor 上（ 保存） 行。本体内設定 MR Editor 本体（ 保存） 。必実行MR816CSX/MR816X4 SPECIFICATIONSElectrical CharacteristicsSample RateInt

15、ernal44.1 kHz, 48 kHz, 88.2 kHz, 96 kHzExternal44.1kHz, 48kHz, 88.2kHz, 96kHz ( 0.1%)Total Harmonic DistortionGAIN: Minimum0.004% or less (1 kHz +18 dB, into 600 )Frequency Response(CH IN to LINE OUT)fs = 48 kHz20 Hz20 kHz, +1, -3 dB +4 dB, into 600 fs = 96 kHz20 Hz40 kHz, +1, -3 dB +4 dB, into 600

16、Dynamic Range(SN ratio at the maximum level)104 dB, DA converter (LINE OUT)97 dB, AD + DA (to LINE OUT)Hum & Noise(20 Hz20 kHz)Rs = 150 -118 dB, Equivalent input noise-86 dB, Residual output noise, Output fader: MinimumGAIN: Maximum-86 dB (90 dB SN), LINE OUTPAD: OFFOutput channel fader: Nominal, Al

17、l Input channel faders: MinimumGAIN: -60 dB-53 dB (57 dB SN), LINE OUTPAD: OFFOutput channel fader: Nominal, Input channel fader (one channel): NominalMaximum Voltage Gain84 dB, CH1 8 to LINE OUTCrosstalk 1 kHzGAIN: Minimum Adjacent Input-85 dB, CH1 8Input and Output Specifi cationsAnalog InputTypeI

18、nput LevelNominal LevelMaximum LevelInput ImpedanceMIC/LINE/HI-Z jack 1,MIC/LINE jack 2 and MIC/LINE IN jacks 3 8 (CH1 8)XLR type balanced,+48 V Phantom powered-60 dBu to +10 dBu+24 dBu3.5 kINSERT I/O jack 1 and 2 (INSERT IN)TRS phone type, unbalanced0 dBu+14 dBu10 kAnalog InputTypeOutput LevelNomin

19、al LevelMaximum LevelInput ImpedanceOUTPUT jacks 1 8(Line Output)TRS phone type, balanced+4 dBu+18 dBu600 INSERT I/O jack 1 and 2(INSERT OUT)TRS phone type, unbalanced+4 dBu+18 dBu10 kHeadphone jacks 1 and 2(Monitor 1/2)TRS phone type, unbalanced4 mW + 4 mW25 mW + 25 mW8 12 mW + 12 mW75 mW + 75 mW40

20、 General Specifi cationsPower Requirements40 W (PA-30)Dimensions (H x D x W)44 x 305 x 480 mmNet Weight3.2 kgOperating Free-air Temperature Range+5 +35Included AccessoriesAC power adaptor (PA-30 or equivalent)DVD-ROM (Cubase AI 4)CD-ROM (TOOLS for MR)Getting Started manual (printed booklet)IEEE1394

21、cableRubber stoppers x 45MR816CSX/MR816XFunctionsInput Channels 1 8Analog InputMIC PreampDiscrete Class-A MIC preamp (Inverted Darlington Circuitry)+48 V button(Phantom Power switch)+48 V DCPAD button0/26 dBGain knob44 dB variable (-60 dB to -16 dB)PhaseNormal/Reversed (controlled via a computer)Hig

22、h Pass FilterOFF/80 Hz (-12 dB/oct.)Controlled via a computerHI-Z switchOn/off (for channel 1), Input impedance: 500 kAD converter24 bit linear, Enhanced dual-bit delta-sigma conversionSIG/PEAK lamp-3 dB or mode (red), -40 db -3 dB (green) (when the clipping point of the signal is assumed to be 0 dB

23、)Output Channels 1 8Analog OutputLevel ControlMulti Function Encoder knob control (for all the channels 1 8)Software control (for each of the channels 1 8)DA converter24 bit linear, 128 times oversampling Advanced multi-bit delta/sigma conversionHeadphone jacks1 and 2Level ControlMulti Function Enco

24、der knob controlMaximum Output Level25 mW ( 8 )/75 mW ( 40 )IEEE1394 jackAudio interface16-ch input/16-ch outputEuropean modelsPurchaser/user Information specifi ed in EN55103-1 and EN55103-2.Inrush current: 2.0 A (MR816 CSX), 2.0 A (MR816 X)Conforms to environments: E1, E2, E3, E4MR816CSX/MR816X6 総

25、合仕様電気的特性周波数Internal44.1kHz、48kHz、88.2kHz、96kHzExternal44.1kHz、48kHz、88.2kHz、96kHz（ 各 0.1%）全高調波歪GAIN：最小0.004% 以下（1kHz +18dB、負荷：600 ）周波数特性（CH IN LINE OUT）fs=48kHz20Hz 20kHz、+1、-3dB +4dB、負荷：600 fs=96kHz20Hz 40kHz、+1、-3dB +4dB、負荷：600 （最大出力時 S/N 比）104dB DA （LINE OUT）97dB AD+DA（ LINE OUT）（20Hz 20kHz）Rs=15

26、0 -118dB 等価入力-86dB 残留出力、：最小GAIN：最大-86dB（90dB S/N） LINE OUTPAD：値全：最小値GAIN：-60dB-53dB（57dB S/N）LINE OUTPAD：値（1 ） ：値最大利得84dB CH1 8 LINE OUT 1kHzGAIN：最小、入力間-85dB CH1 8入出力仕様入力Type入力定格入力最大入力入力MIC/LINE/ HI-Z 端子 1、MIC/LINE 端子 2、MIC/LINEIN 端子 3 8（CH 1 8）XLR 、型+48V 電源供給-60dBu +10dBu+24dBu3.5kINSERT I/O 端子 1、2

27、（INSERT IN）TRS 、型0dBu+14dBu10k出力Type出力定格出力最大出力定格負荷OUTPUT 端子（LINE OUT）1 8TRS 、型+4dBu+18dBu600 INSERT I/O 端子 1、2（INSERT OUT）TRS 、型+4dBu+18dBu10k端子 1、2TRS 、型4mW + 4mW25mW + 25mW8 12mW + 12mW75mW + 75mW40 一般仕様電源条件40W （PA-30）最大外形寸法（H x D x W）44 x 305 x 480 mm質量3.2kg動作環境温度+5 +35 付属品電源（PA-30 推奨同等品）DVD-ROM

28、（Cubase AI 4）CD-ROM （TOOLS for MR）MR816 CSX/MR816 X 保証書IEEE1394 脚 x4 （Rubber foot x4）7MR816CSX/MR816X機能入力CH1 8入力MIC Discrete Class-A MIC （ 回路）+48V +48V DCPAD 0/26dB44dB 可変（-60dB -16dB）PHASE正相 / 逆相、OFF/80Hz（-12dB/oct.） 、HI-Z ON/OFF（CH1） 、入力：500k AD 24bit 、高性能 / 変換SIG/PEAK -3dB 以上（赤） 、-40dB -3dB（緑） （

29、0dB 場合）出力CH1 8出力 （ 全 1 8 同時）（ 各 1 8 ）DA 24bit 、128 倍高性能 / 変換端子1、2（ 各端子 1、 2）最大出力25mW（ 8 ）/75mW（ 40 ）IEEE1394 端子 I/F16-ch input/16-ch outputMR816CSX/MR816X8 PANEL LAYOUT（）q HI-Z switchw MIC/LINE/HI-Z jack 1 (analog input jack 1) and MIC/LINE jack 2 (analog input jack 2)e QUICK CONNECT buttons (with L

30、ED lamps)r SIG/PEAK lampst Gain knobs 1 8y +48V button (phantom power button; with LED lamps)u PAD button (with LED lamps)i ASSIGN lamps (The MORPH lamp is only MR816CSX.)o Word Clock Source lamps!0 Sample Rate lamps!1 Multi Function encoder knobs 1 and 2 (with LED lamps)!2 Headphone jacks 1 and 2!3

31、 STANDBY/ON switch? ? ? ? ? ?MR816CSX only（MR816CSX ）q AC ADAPTOR IN jackw S/PDIF IN/OUT jacke OPTICAL IN/OUT jackr IEEE1394 jacks 1 and 2t WCLK IN/OUT jacks (wordclock in/out jack)y OUTPUT jacks 1 8 (analog output jacks 1 8)u MIC/LINE INPUT jacks 3 8 (analog input jacks 3 8)i INSERT I/O jacks 1 and

32、 2? Front panel（） Rear panel（）q HI-Z w MIC/LINE/HI-Z 端子 1 （入力端子 1） MIC/LINE 端子 2 （入力端子 2）e QUICK CONNECT （LED 付）r SIG/PEAK t 1 8y +48V （LED 付）u PAD （LED 付）i ASSIGN （MORPH MR816CSX ）o !0 周波数!1 1、2 （LED 付）!2 端子 1、2!3 STANDBY/ON q AC ADAPTOR IN 端子w S/PDIF IN/OUT 端子e OPTICAL IN/OUT 端子r IEEE1394 端子 1、2t

33、WCLK IN/OUT （ / ） 端子y OUTPUT 端子 1 8 （出力端子 1 8）u MIC/LINE INPUT 端子 3 8 （入力端子 3 8）i INSERT I/O 端子 1、29MR816CSX/MR816XACPNHPDMJK CIRCUIT BOARD LAYOUT（） WIRING（束線組込図）JKPNHPDMACCN301(12P)CN901(12P)CN851(2P)CN104(4P)CN850(2P)CN112 (30P)CN101 (30P)CN102 (30P)CN111 (30P)CN601(6P)CN651(7P)CN701(6P)CN602(6P)C

34、N652(7P)CN702(6P)CN201(8P)CN800(8P)CN102(5P)CN103(4P)CN101(3P)CN151(4P)PSW wiring assemblyAC wiring assemblyMR816CSX/MR816X10 DISASSEMBLY PROCEDURE（分解手順）Fig. 1 （図1）Photo 1（写真 1）Precautions（注意事項）* Notes on Flat Cable Contacts are visible from the back. Pay attention not to insert and install the cabl

35、e to the connector inversely. (Photo 1)Front Side（表面）Back Side（裏面）We recommend you use the dedicated driver bit from HIOS Inc. (model number: THS6X-30-75) when you remove screws marked 118, 148A, 148B or 148C.（118、 148A、 148B、 148C 外、専用 （HIOS Inc. 製品番：THS6X-30-75）使用推奨。 ）148A x 2148A x 2148A x 3148Ax

36、 3118118148B x 3148C x 3144142142142144144172 Rear view（背面見図）TOP COVER()CONNECTOR COVER()TOP COVER()FRONT PANEL()FABRIC GASKET(不織布)FABRIC GASKET(不織布)118: SCREW RAMI #S（S）3.0X6 MFZN2B3 (WN110000)142: BIND HEAD P-TIGHT SCREW（PBIND）3.0X8 MFZN2B3 (WF266600)144: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN

37、2B3 (WE87780R)148A, 148B, 148C: SCREW RAMI #S（S）3.0X6 MFZN2B3 (WN110000)172: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R) 注意 接点裏面透見。表裏逆差込注意取付。 （写真 1）11MR816CSX/MR816X1. Top Cover (Time required: About 6 minutes)1-1 Remove the following screws and slide the top cover toward the rear side

38、to remove it. (Fig. 1) 142: 16 pcs. 144: 8 pcs. 148A: 10 pcs. 148B: 3 pcs. 172: 1 pc. * The connector cover will be removed together when the screw marked 172 is removed. Take care not to lose it. (Fig. 1)2. JK Circuit Board (Time required: About 7 minutes)2-1 Remove the top cover. (See procedure 1.

39、)2-2 Unhook the three (3) hooks of the PCB space holder. The JK circuit board can then be removed. (Photo 2)Fig. 2 （図2）Photo 2（写真2）JKPCB SPACE HOLDER(PCB)565652A52B22A22B Top view（上面見図）WIRING ASSY, AC(AC束線)WIRING ASSY, AC(AC束線)CORD HOLDER X 4(束線止)FABRIC GASKET(不織布)DMAC12PCB SPACE HOLDER(PCB)1. （所要時間

40、：約 6 分）1-1 下記外、側外。 （図 1）142: 16 本144: 8 本148A: 10 本148B: 3 本172: 1 本 172 外、共外紛失注意。 （図 1）2. JK （所要時間：約 7 分）2-1 外。 （1 項参照）2-2 PCB 3 箇所外、JK外。 （写真 2）22A, 22B: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R)52A, 52B: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R)56: BIND HEAD TAPPING S

41、CREW-S（SBIND）4.0X8 MFZN2B3 (WE99480R)MR816CSX/MR816X12Fig. 3 （図3）3. AC Circuit Board and Wiring Assy, AC (Time required: About 7 minutes)3-1 Remove the top cover. (See procedure 1.)3-2 Remove the two (2) screws marked 52A, the screw marked 52B tightened together with the cord holder, and the screw m

42、arked 56. The AC circuit board and wiring assy, AC can then be removed. (Fig. 2) * The fabric gasket attached to the wiring assy, AC is not part of the wiring assy, AC. (Fig. 2)4. Front Panel (Time required: About 8 minutes)4-1 Remove the eight (8) knobs marked A and two (2) knobs marked B. (Fig. 3)

43、4-2 Remove the two (2) screws marked 118, three (3) screws marked 148B and three (3) screws marked 148C. The front panel can then be removed. (Fig. 1) * The lenses attached to the rear side of the front panel is not part of the front panel. (Fig. 3)5. PN Circuit Board, HP Circuit Board and Wiring As

44、sy, PSW5-1 Remove the top cover. (See procedure 1.)5-2 Remove the front panel. (See procedure 4.)5-3 PN Circuit Board (Time required: About 11 minutes)5-3-1 Remove the four (4) screws marked 104. The two (2) combo angles can then be removed. (Fig. 4)5-3-2 Remove the four (4) screws marked 46 and eig

45、ht (8) hexagonal nuts marked 48. The PN circuit board can then be removed. (Fig. 4)5-3-3 Remove the eight (8) buttons marked C and two (2) buttons marked D from the PN circuit board. (Fig. 4) * The buttons marked C and D are not part of the PN circuit board. When replacing the PN circuit board, remo

46、ve the buttons and attach them to the new PN circuit board. * When installing the PN circuit board, tighten the screws 1 and 2 shown in Fig. 4 in numerical order and then tighten the other screws. (Fig. 4)5-4 HP Circuit Board and Wiring Assy, PSW (Time required: About 10 minutes)5-4-1 Remove the scr

47、ew marked 62 and remove the HP circuit board and wiring assy PSW by sliding them toward the front side. (Fig. 4, Fig. 5)3. AC 、AC 束線（所要時間：約 7 分）3-1 外。 （1 項参照）3-2 52A 2 本束線止共締52B 1 本、56 1 本外、AC AC 束線外。 （図 2） AC 束線貼付不織布 AC束線構成部品。 （図 2）4. （所要時間：約 8 分）4-1 A8個B2個外。（図3）4-2 118 2 本 148B 3 本、148C 3 本外、外。 （図

48、 1） 裏側取付構成部品。 （図 3）5. PN 、HP 、PSW 束線5-1 外。 （1 項参照）5-2 外。 （4 項参照）5-3 PN （所要時間：約 11 分）5-3-1 104 4 本外、固定 2個外。 （図 4）5-3-2 464個48六角8個外、PN 外。 （図 4）5-3-3 PN C 8 個 D 2 個外。 （図 4） C D PN 構成部品。PN 交換際取外新 PN 取付。 PN 取付際、図 4 示 1、2 順締他締。 （図 4）5-4 HP 、PSW 束線（所要時間：約 10 分）5-4-1 62 1 本外、HP PSW 束線側外。 （図 4、図 5）ALensLensB

49、 Front view（前面見図） Rear view（背面見図）FRONT PANEL()FRONT PANEL()13MR816CSX/MR816XFig. 4 （図4）Fig. 5 （図5）6. DM Circuit Board (Time required: About 11 minutes)6-1 Remove the top cover. (See procedure 1.)6-2 Remove the JK circuit board. (See procedure 2.)6-3 Remove the front panel. (See procedure 4.)6-4 Remo

50、ve the four (4) screws marked 104. The two (2) combo angles can then be removed. (Fig. 4)6-5 Remove the eight (8) hexagonal nuts marked 48. (Fig. 4)6-6 Remove the three (3) screws marked 22A tightened together with the cord holder and seven (7) screws marked 22B. The DM circuit board can then be rem