Yamaha-MR-816-SCX-Service-Manual电路原理图.pdf

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1、HAMAMATSU, JAPAN 200809- SY011926 SERVICE MANUAL 08.09 SPECIFICATIONS（総合仕様） .4/6 PANEL LAYOUT（） .8 CIRCUIT BOARD LAYOUT（） .9 WIRING（束線組込図） .9 DISASSEMBLY PROCEDURE（分解手順） .10 LSI PIN DESCRIPTION（LSI 端子機能表） .14 IC BLOCK DIAGRAM（IC 図） .21 CIRCUIT BOARDS（基板図） .23 FIRMWARE VERSION CHECK （確認） .34/35 BACKU

2、P（） .36/38 INITIAL SETTING（出荷時設定） .39 FACTORY SET（） .40 TEST PROGRAM（） .41/53 BOOT SEQUENCE（起動） . 65/66 PARTS LIST BLOCK DIAGRAM（） CIRCUIT DIAGRAM（回路図） CONTENTS（目次） / MR816CSX Steinberg and Cubase are the registered trademarks of Steinberg Media Technologies GmbH. （Steinberg Cubase 、Steinberg Media

3、Technologies GmbH 社（以下Steinberg ）登録商標。 ） RadioFans.CN 收音机爱 好者资料库 MR816CSX/MR816X 2 WARNING Components having special characteristics are marked and must be replaced with parts having specifi cation equal to those originally installed. WARNING: This product contains chemicals known to the State of Ca

4、lifornia to cause cancer, 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! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose e

5、yes 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. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed t

6、hat basic service procedures inherent 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 accumul

7、ated by grounding yourself to the ground 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 KINGDOM Connecting the Plug and Cord IM

8、PORTANT. The wires in this mains lead are coloured in accordance with the following code: BLUE : NEUTRAL 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 whic

9、h 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 RED. Making sure that neither core is connected to the earth terminal of the thre

10、e pin plug. This applies only to users in the 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 3 MR816CSX/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

11、computer. If you use the MR816 CSX/MR816 X with 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 cann

12、ot store the settings to internal memory of the 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

13、you want to store the settings edited on the MR816 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

14、sure to perform it 作成保存 本体内部設定保存、上 MR Editor 操作必要。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/MR816X

15、 4 SPECIFICATIONS Electrical Characteristics Sample Rate Internal44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz External44.1kHz, 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 +

16、4 dB, into 600 fs = 96 kHz20 Hz40 kHz, +1, -3 dB +4 dB, into 600 Dynamic Range (SN ratio at the maximum level) 104 dB, DA converter (LINE OUT) 97 dB, AD + DA (to LINE OUT) Hum with LED lamps) u PAD button (with LED lamps) i ASSIGN lamps (The MORPH lamp is only MR816CSX.) o Word Clock Source lamps !0

17、 Sample Rate lamps !1 Multi Function encoder knobs 1 and 2 (with LED lamps) !2 Headphone jacks 1 and 2 !3 STANDBY/ON switch ? ? ? ? ? ? ? MR816CSX only （MR816CSX ） q AC ADAPTOR IN jack w S/PDIF IN/OUT jack e OPTICAL IN/OUT jack r IEEE1394 jacks 1 and 2 t WCLK IN/OUT jacks (wordclock in/out jack) y O

18、UTPUT 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 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 8 y +48V （LED 付） u PAD （LED 付） i ASSIGN （MORPH MR

19、816CSX ） 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、2 t 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、2 9 MR816CSX/MR816X AC PN HP DM JK CIRCUIT BOARD LAYOUT（） WIRING

20、（束線組込図） JK PN HP DM AC CN301 (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) CN652 (7P) CN702 (6P) CN201 (8P) CN800 (8P) CN102 (5P) CN103 (4P) CN101 (3P) CN151 (4P) PSW wiring assembly AC wiring assembly M

21、R816CSX/MR816X 10 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 cable to the connector inversely. (Photo 1) Front Side（表面）Back Side（裏面） We recommend you use the dedicated d

22、river 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 2 148A x 2 148A x 3 148A x 3 118 118 148B x 3 148C x 3 144142142142 144 144172 Rear view（背面見図） TOP COVER () CONNECTOR CO

23、VER () 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 MFZN2B3 (WE87780R) 148A, 148B, 148C: SCREW RAMI #S（S）3.0X6 MFZN2B3 (WN110000

24、) 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） 11 MR816CSX/MR816X 1. Top Cover (Time required: About 6 minutes) 1-1 Remove the following screws and slide the top cover toward the rear side to remove it. (Fig. 1) 142: 16 pcs. 144: 8 pcs. 148A: 10 pcs. 14

25、8B: 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.) 2-2 Unhook the three (3) hooks of the PCB space holder. The

26、JK circuit board can then be removed. (Photo 2) Fig. 2 （図2） Photo 2（写真2） JK PCB SPACE HOLDER (PCB) 56 56 52A 52B 22A 22B 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) DM AC 12 PCB SPACE HOLDER (PCB) 1. （所要時間：約 6 分） 1-1 下記外、側 外。 （図 1） 142: 16 本

27、 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 SCREW-S（SBIND）4.0X8 MF

28、ZN2B3 (WE99480R) MR816CSX/MR816X 12 Fig. 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 marked 56. The A

29、C 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) 4-2 Remove t

30、he 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 Assy, PSW 5-1

31、 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 eight (8)

32、 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, remove th

33、e 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 screw

34、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、

35、外。 （図 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。

36、（図 4、図 5） A Lens Lens B Front view（前面見図） Rear view（背面見図） FRONT PANEL () FRONT PANEL () 13 MR816CSX/MR816X Fig. 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 fron

37、t panel. (See procedure 4.) 6-4 Remove 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

38、. The DM circuit board can then be removed. (Fig. 2) * The fabric gasket attached to the DM circuit board is not part of the DM circuit board. (Fig. 1) * The PCB space holder are not part of the DM circuit board. When replacing the DM circuit board, remove the PCB space holder and attach them to the

39、 new DM circuit board.(Fig. 2) * When installing the DM circuit board, tighten the screws 1 and 2 shown in Fig. 2 in numerical order and then tighten the other screws. (Fig. 2) 5-4-2 JK PSW 束線外。 （図 5） 5-4-3 U 字金具 2 個外、HP 外。 （図 5） 5-4-2 Remove the wiring assy, PSW from the JK switch angle. (Fig. 5) 5

40、-4-3 Remove the two (2) angle brackets, U. The HP circuit board can then be removed. (Fig. 5) 6. DM （所要時間：約 11 分） 6-1 外。 （1 項参照） 6-2 JK 外。 （2 項参照） 6-3 外。 （4 項参照） 6-4 104 4 本外、固定 2 個外。 （図 4） 6-5 48 六角 8 個外。 （図 4） 6-6 束線止共締 22A 3 本 22B7本外、 DM外。 （図 2） DM 貼付不織布 DM 構成部品。 （図 1） PCB DM 構成部品 。DM 交換際 PCB 取外新

41、 DM 取付。 （図 2） DM 取付際、図 2 示 1、2 順締他締。 （図 2） Front view（前面見図） 10410448CCD 4662 COMBO ANGLE (固定) 484846WIRING ASSY, PSW (PSW束線) PN 1 2 46: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R) 48: HEXAGONAL NUT（特殊六角）9.0 MFNI33 (V243140R) 62: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R) 1

42、04: FLAT HEAD TAPPING SCREW-B（BFLAT）3.0X8 MFZN2B3 (WF266800) 62 WIRING ASSY, PSW (PSW束線) WIRING ASSY, PSW (PSW束線) JK SWITCH ANGLE (JK) JK SWITCH ANGLE (JK) ANGLE BRACKET, U (字金具) ANGLE BRACKET, U (字金具) HP HP 62: BIND HEAD TAPPING SCREW-S（SBIND）3.0X6 MFZN2B3 (WE87780R) MR816CSX/MR816X 14 LSI PIN DESC

43、RIPTION（LSI 端子機能表） 1394AV-L (X6893A00) DICEII .16 17 AK4358VQ (X4289A00) DAC (Digital to Analog Converter) .20 AK5385BVF-E2 (X5364B00) ADC (Analog to Digital Converter) .19 EP1C3T100C8N (X5691A00) FPGA.14 MB87S1280 (X6363A00) SSP1 (MAIN/SUB) .18 MN101C027YB (XS71120R) CPU .15 S1L50553F21Y000 (X4195A

44、0R) MCI (Gate Array) .19 TSB41AB2PAP (XZ665A00) PHY .15 YAC523-VZ (X4325A00) EVR2 (Electric Variable Resistance 2) .20 PIN NO. I/OFUNCTIONNAME PIN NO. I/OFUNCTIONNAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 4

45、8 49 IO IO IO IO IO nCSO DATA0 nCONFIG VCCA_PLL1 CLK0 GNDA_PLL1 nCEO nCE MSEL0 MSEL1 DCLK ASDO VCCIO1 GND IO IO IO IO IO IO IO IO IO IO GND VCCIO4 GND VCCINT IO IO IO IO IO IO IO IO IO GND VCCINT GND VCCIO4 IO IO IO I/O I/O I/O I/O I/O O I I - I - O I I I I/O O - - I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O - I/O - - I/O I/O I/O I/O I/O I/O I/O I/O I/O - - - I/O I/O I/O I/O PAD4 PAD3 AVC_SCLK Data I/Os AVC_DATAI