Yamaha-MG166-mix-sm 维修电路原理图.pdf

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1、名小売価格SERVICE MANUALSPECIFICATIONS （総合仕様） .3/5DIMENSIONS （寸法図）.7PANEL LAYOUT （） .8CIRCUIT BOARD LAYOUT （）.12WIRING DIAGRAM （基板結線図） .13OVERALL ASSEMBLY WIRING （総組立配線図） .14MG166CX-USB/MG166CX DISASSEMBLY PROCEDURES（MG166CX-USB/MG166CX 分解手順） .19MG166C-USB/MG166C DISASSEMBLY PROCEDURES（MG166C-USB/MG166C

2、分解手順） .23LSI PIN DESCRIPTION （LSI端子機能表） .27IC BLOCK DIAGRAM （IC図） .30CIRCUIT BOARDS （基板図） .33INSPECTIONS （検査） .44/52PARTS LISTIC & DIODE FIGURES （外形図）BLOCK & LEVEL DIAGRAM （&）CIRCUIT DIAGRAM （回路図）I CONTENTS （目次）PA011869Copyright (c) Yamaha Corporation. All rights reserved. 07.08HAMAMATSU, JAPAN（ECF：

3、無塩素系漂白）使用。This document is printed on chlorine free (ECF) paper.MG166CX-USB/MG166CX: xxxxxx-xxxxxMG166C-USB/MG166C: xxxxxx-xxxxxMG166C-USBMG166CX-USBMG166CMG166CXMG166C-USBMG166CX-USB￥62,790￥68,040￥71,190￥76,4402007年8月発売時期RadioFans.CN 收音机爱 好者资料库MG166CX-USB/MG166CX/MG166C-USB/MG166C2IWARNINGComponent

4、s having special characteristics are marked and must be replaced with parts having specification equal to those originallyinstalled. 印部品、安全維持重要部品。交換場合、安全必指定部品使用。IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed t

5、hat basic serviceprocedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and havetherefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injur

6、y, destruc-tion of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamahaproduct owners that all service required should be performed by an authorized Yamaha Retailer or the appointed servicerepresentative.IMPORTANT:This presentation or sale

7、of this manual to any individual or firm does not constitute authorization, certification, recognition ofany applicable technical capabilities, or establish a principal-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. T

8、he research engineering, and servicedepartments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specifica-tion are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact

9、 the distributors ServiceDivision.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated bygrounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus).IMPORTANT:Turn the unit OFF during disassembl

10、y 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 fou

11、nd by the California Health and Welfare Agency (and possibly other entities) to causecancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SOEVER!Avoid prolonged, unprotected contact between solder an

12、d your skin! When soldering, do not inhale solder fumes or expose eyes to solder/fluxvapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING:TH

13、IS APPARATUS MUST BE EARTHEDIMPORTANT.The wires in this mains lead are coloured in accordance with the following code:GREEN-AND-YELLOW:EARTHBLUE:NEUTRALBROWN:LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in

14、 yourplug, proceed as follows:The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safetyearth symbol or colored GREEN or colored GREEN and YELLOW.The wire which is coloured BLUE must be connected to the terminal which is

15、 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.RadioFans.CN 收音机爱 好者资料库MG166CX-USB/MG166CX/MG166C-USB/MG166C3ISPECIFICATIONS Electrical Specifications General SpecificationsMG166CX-USB/MG

16、166CX/MG166C-USB/MG166C4 Analog Input Specifications Analog Output Specifications Digital Input/Output Specifications (MG166CX-USB, MG166C-USB only)MG166CX-USB/MG166CX/MG166C-USB/MG166C5 総合仕様電気的特性一般仕様MG166CX-USB/MG166CX/MG166C-USB/MG166C6入力仕様出力仕様入出力仕様（MG166CX-USB、 MG166C-USB）MG166CX-USB/MG166CX/MG16

17、6C-USB/MG166C7Unit: mm単位：mm4444781029854964341488.5IDIMENSIONS （寸法図）MG166CX-USBMG166CX-USB/MG166CX/MG166C-USB/MG166C8IPANEL LAYOUT （） Channel Control Section （部）MIC Input JacksLINE Input Jacks (monaural channels)LINE Input Jacks (stereo channels)LINE Input Jacks (stereo channels)INSERT JacksGAIN Con

18、trol 80 Switch (High-Pass Filter)COMP ControlPEAK IndicatorEqualizer (HIGH, MID and LOW)AUX, EFFECT ControlAUX PRE SwitchPAN ControlPAN/BAL ControlBAL ControlON SwitchPFL (Pre-Fader Listen) Switch1-2 Switch3-4 SwitchST SwitchChannel Fader1234567890ABCDEFGHI1234567890ABCDEFGHIMIC入力端子LINE入力端子 （）LINE入力

19、端子 （）LINE入力端子INSERT端子GAIN 80 （） COMPPEAKEQ （：HIGH、MID、LOW）AUX、EFFECTAUX PREPANPAN/BALBALONPFL1-23-4ST121566CDFGHIE0AA9977834BCDFGHIE0BChannels9/10 and 11/12(Stereo)9/10、11/12（） Channels1 to 6(Monaural)16（） Channels7 and 8(Monaural)7、8（） Channels13/14 and 15/16(Stereo)13/14、15/16（） * AAUX1, AUX2, EFF

20、ECT (MG166CX-USB, MG166CX)AUX1, AUX2, AUX3 (MG166C-USB, MG166C)MG166CX-USB/MG166CX/MG166C-USB/MG166C9 Digital Effects Section （部）FOOT SWITCH JackPROGRAM DialPARAMETER ControlAUX ControlON SwitchPFL Switch1-2 Switch3-4 SwitchST SwitchEFFECT RTN Fader1234567890FOOT SWITCH端子PROGRAM選択PARAMETERAUXONPFL1-

21、23-4STEFFECT RTN12345678904350261789*Only the MG166CX-USB and MG166CX have digital effects.（機能MG166CX-USB、MG166CX内蔵。）MG166CX-USB/MG166CX/MG166C-USB/MG166C10 Master Control Section （部）1234567890ABCDEFGHIJKLUSB Connector (MG166CX-USB/MG166C-USB only)SEND Jacks (AUX, EFFECT)GROUP OUT (1 to 4) JacksREC

22、OUT (L, R) Jacks2TR IN JacksRETURN L (MONO), R JacksSTEREO OUT (L, R) JacksXLR JacksLINE JacksMONITOR OUT JacksPHONES JackPHANTOM +48 V SwitchPOWER IndicatorLevel MeterRETURNAUX1, AUX2 ControlSTEREO ControlMaster SEND Controls (AUX, EFFECT)MONITOR/PHONESMONITOR SwitchesMONITOR Control2TR IN (MG166CX

23、/MG166C)2TR IN/USB (MG166CX-USB/MG166C-USB)2TR IN/USB Switch2TR IN/USB ControlGROUP 1-2 FaderGROUP 3-4 FaderST SwitchSTEREO OUT Master FaderPOWER SwitchAC ADAPTOR IN Connector1234567890ABCDEFGHIJKLUSB端子 （MG166CX-USB/MG166C-USB）SEND端子 （AUX、EFFECT）GROUP OUT （1-4） 端子REC OUT （L、R） 端子2TR IN端子RETURN L （MO

24、NO） 、R端子STEREO OUT （L、R） 端子 XLR 端子 LINE 端子MONITOR OUT端子PHONES端子PHANTOM +48 VPOWERRETURN AUX1、2 STEREOSEND （AUX、EFFECT）MONITOR/PHONES 信号切替 2TR IN （MG166CX/MG166C）2TR IN/USB （MG166CX-USB/MG166C-USB） 出力先切替 2TR IN/USBGROUP 1- 2GROUP 3-4STSTEREO OUT電源AC ADAPTOR IN端子ABJF0CIG79524836EDHRear panel*1KL* 2, D

25、 AUX1, AUX2, EFFECT (MG166CX-USB, MG166CX)AUX1, AUX2, AUX3 (MG166C-USB, MG166C)MG166CX-USB/MG166CX/MG166C-USB/MG166C11 Connector Polarities 端子接続極性* These jacks will also accept connection to phone plugs. If you use monaural plugs, the connection will be unbalanced.Input and Output JacksPolaritiesCon

26、figurationsMIC INPUT, STEREO OUTPin 1: GroundPin 2: Hot (+)Pin 3: Cold ()LINE INPUT (monaural channels)GROUP OUT, STEREO OUT, MONITOR OUT, AUX SEND,EFFECT SEND(MG166CX-USB, MG166CX only)*Tip: Hot (+)Ring: Cold ()Sleeve: GroundINSERTTip: OutputRing: InputSleeve: GroundPHONESTip: LRing: RSleeve: Groun

27、dRETURNLINE INPUT (stereo channels)Tip: HotSleeve: GroundOUTPUTINPUTXLR JackTipSleeveRingTRS Phone JackTipSleevePhone Jack1：2： （+） 3： （） ： （+） ： （） ：Output：Input：L：R：端子端子使用。場合、。入出力端子名端子極性端子形状MIC INPUT、STEREO OUTLINE INPUT （） GROUP OUT、STEREO OUT、MONITOR OUT、AUX SEND、EFFECT SEND（MG166CX-USB、MG166CX）

28、INSERTPHONESRETURNLINE INPUT （） OUTPUTINPUTXLR端子TRS端子端子MG166CX-USB/MG166CX/MG166C-USB/MG166C12I CIRCUIT BOARD LAYOUT （）Rear（）(MG166CX-USB)(MG166CX-USB,MG166CX)(MG166C-USB)Front（）MIX16XMIX16JACK16XJACK16DSPPS16XPS16USBUSBMG166CX-USB/MG166CX/MG166C-USB/MG166C13I WIRING DIAGRAM （基板結線図）7P-1103P-1405P-16

29、09P-4701234(WJ98020)(WJ98040)(WJ98030)(WJ78440)MIX16(X)-CN053 PS16(X)-CN101JACK16(X)-CN001 PS16(X)-CN102JACK16(X)-CN051 PS16(X)-CN104JACK16(X)-CN903 USB-CN101405060100MG166CX-USB,MG166CX onlyMG166CX-USB,MG166C-USB onlyRemarks備考No.Part No.Assembly Name線材名Connection接続LocationConnector Assembly PS7PCon

30、nector Assembly PS3PConnector Assembly PS5PConnector Assembly USB16PS7P束線PS3P束線PS5P束線USB16束線CN101(9P)CN102(3P)CN104(5P)CN101(7P)CN903(9P)CN001(3P)W401(9P)W701(9P)W801(9P)W002(9P)W001(9P)W003(9P)W004(6P)W101(9P)W201(9P)W301(9P)CN401(9P)CN701(9P)CN801(9P)CN002(9P)CN001(9P)CN003(9P)CN004(6P)CN101(9P)CN

31、201(9P)CN301(9P)CN053(7P)CNM02(20P)CN052(20P) CN051(5P)PS16XPS16XUSBDSP(MG166CX-USB, MG166CX only)(MG166CX-USB, MG166C-USB only)USBMIX16XMIX16JACK16XJACK161243MG166CX-USB/MG166CX/MG166C-USB/MG166C14IOVERALL ASSEMBLY WIRING （総組立配線図）The inside room of this product is very little because a lot of units

32、 are installed fully.To prevent the panels coming up and other things when assembling, perform the cable connection according to the followings.（、集積度高、内部余裕。組立時浮等防止為、束線処理下記行。）1.The wiring of the Inner Chassis Assembly. （Ass y配線）* 1 The component marked “* 1” is used only for the MG166CX-USB and MG166

33、CX.（ “1” 部品MG166CX-USBMG166CX使用。）* 2 The components marked “* 2” are used only for the MG166CX-USB and MG166C-USB.（ “2” 部品MG166CX-USBMG166C-USB使用。）20180180* 2* 2180* 2100* 2180* 2180* 290* 1(CN104)60(CN102)50(CN101)40MG166CX-USB/MG166CX/MG166C-USB/MG166C152.MG166CX-USB, MG166CXThe wiring of the MIX1

34、6X circuit board and JACK16X circuit board.（MIX16X、JACK16X配線）MG166C-USB, MG166CThe wiring of the MIX16 circuit board and JACK16 circuit board.（MIX16、JACK16配線）2-1. MG166CX-USB, MG166CXInstall the JACK16X circuit board Ref. 250.（JACK16X Ref. 250 取付。）Note: Pass the connector assembly PS7P Ref. 40, conn

35、ector assembly PS3P Ref. 50 and connector assembly PS5P * 1Ref. 60 through the incision part of JACK16X circuit board Ref. 250.（注： PS7P束線 Ref. 40 PS3P束線 Ref. 50 PS5P束線 1 Ref. 60 JACK16X Ref. 250 切欠通。）Note: Pass the connector assembly USB16 Ref. 100 through the incision part of JACK16X circuit board

36、Ref. 250.（注： USB16束線 Ref. 100 JACK16X Ref. 250 切欠通。）MG166C-USB, MG166CInstall the JACK16 circuit board Ref. 250.（JACK16 Ref. 250 取付。）Note: Pass the connector assembly PS7P Ref. 40 and connector assembly PS3P Ref. 50 through the incision part ofJACK16 circuit board Ref. 250.（注： PS7P束線 Ref. 40 PS3P束線

37、Ref. 50 JACK16 Ref. 250 切欠通。）Note: Pass the connector assembly USB16 Ref. 100 through the incision part of JACK16 circuit board Ref. 250.（注： USB16束線 Ref. 100 JACK16 Ref. 250 切欠通。）Incision part of JACK16(X) circuit boardJACK16 （X） 切欠Incision part of JACK16(X) circuit boardJACK16 （X） 切欠250* 2* 2506040

38、* 1* 1100* 2* 2MG166CX-USB/MG166CX/MG166C-USB/MG166C16Whole picture （全体写真）JACK16(X)CN001MIX16(X)CN053MIX16(X)CN101MIX16(X)CN201MIX16(X)CN301MIX16(X)CN801MIX16(X)CN002JACK16(X)CN903JACK16(X)K101JACK16(X)K103JACK16(X)K102MIX16(X)CN051MIX16(X)CN004MIX16(X)K051MIX16(X)CN003MIX16(X)CN401MIX16(X)CN7013405

39、040250100* 2* 2* 2* 2* 2* 2* 2* 2* 1* 1* 1* 1* 160MIX16(X)CN0012-2. The wiring of the connector assemblies from the Inner Chassis assembly. （束線配線）MG166CX-USB, MG166CX100* 2405060* 1Ref.No.Connector AssemblyUSB16Connector AssemblyPS7PConnector AssemblyPS3PConnector AssemblyPS5PPartJACK16X circuit boa

40、rdCN903MIX16X circuit boardCN053JACK16X circuit boardCN001MIX16X circuit boardCN051Wiring PointFix the connector assembly with the style pins Ref. K101, K102 on the JACK16X circuit board.（JACK16X Ref. K101、K102 固定。）Fix the connector assembly with the style pin Ref. K103 on the JACK16X circuit board.

41、（JACK16X Ref. K103 固定。）Pass the connector assembly under the Jumper Wire.（下通。）Fix the connector assembly with the style pin Ref. K051 on the MIX16X circuit board.（MIX16X Ref. K051 固定。）Pass the right side of K051.（K051右側通。）Note（注意）MG166CX-USB/MG166CX/MG166C-USB/MG166C17100* 24050Ref.No.Connector Asse

42、mblyUSB16Connector AssemblyPS7PConnector AssemblyPS3PPartJACK16 circuit boardCN903MIX16 circuit boardCN053JACK16 circuit boardCN001Wiring PointFix the connector assembly with the style pins Ref. K101, K102 on the JACK16 circuit board.（JACK16 Ref. K101、K102 固定。）Fix the connector assembly with the sty

43、le pin Ref. K103 on the JACK16 circuit board.（JACK16 Ref. K103 固定。）Note（注意）Note: In the MG166C, bend the K101 and K102 of JACK16 circuit board in the direction where the jumper leads are notinstalled. (See the picture below)（注： MG166C、JACK16K101K102線実装方向曲。 （下写真参照） ）Note: In the MG166CX, bend the K10

44、1 and K102 of JACK16X circuit board in the direction where the jumper leads are notinstalled. (See the picture below)（注： MG166CX、JACK16XK101K102線実装方向曲。 （下写真参照） ）MG166C-USB, MG166CJACK16(X)K101JACK16(X)K102MIX16(X)CN053JACK16(X)K103JACK16(X)CN001* 2* 2* 2* 25040100* 1* 160JACK16(X)CN903* 2* 2JACK16(X

45、)K101Connector assemblyUSB16Connector assemblyUSB16Connector assembly USB16Connector assembly USB16* 2* 2* 1* 1JACK16(X)K102* 1* 1MIX16(X)CN051MIX16(X)K051Connector assembly PS5PConnector assembly PS5PConnector assembly PS3PConnector assembly PS3PJunper-WireMG166CX-USB/MG166CX/MG166C-USB/MG166C182-3

46、. MG166CX-USB, MG166CXConnect the ten (10) jumper wires of JACK16X circuit board to the MIX16X circuit board. (MG166CX-USB, MG166CX)（JACK16X10本MIX16X配線。 （MG166CX-USB、MG166CX） ）Note: Bend the jumper wires according to the picture above.（注： 上記写真従折曲。）Note: After bend, press the jumper wires so that the

47、ir height from the MIX16X circuit boards component side become 15 mmor less.（注： 折曲後、MIX基板面15 mm以下上押。）MG166C-USB, MG166CConnect the ten (10) jumper wires of JACK16 circuit board to the MIX16 circuit board. (MG166C-USB, MG166C)（JACK1610本MIX16配線。 （MG166C-USB、MG166C） ）Note: Bend the jumper wires accordi

48、ng to the picture above.（注： 上記写真従折曲。）Note: After bend, press the jumper wires so that their height from the MIX16 circuit boards component side become 15 mmor less.（注： 折曲後、MIX基板面15 mm以下上押。）Connector assembly PS5PConnector assembly PS5PConnector assembly PS7PConnector assembly PS7PConnector assembly

49、PS5PConnector assembly PS5PJunper-WireMG166CX-USB/MG166CX/MG166C-USB/MG166C19I MG166CX-USB/MG166CX DISASSEMBLY PROCEDURES（MG166CX-USB/MG166CX分解手順）1.Top Cover (Time required: 12 min.)1-1Remove the twelve (12) fader knobs marked 490, three(3) fader knobs marked 500 and fader knob marked510 and knob se

50、lect marked 300. (Fig. 1)1-2Remove the fifteen (15) screws marked 400, sixteen(16) screws marked 410, four (4) screws marked 420,six (6) screws marked 430, thirty-nine (39) hexagonalnuts and thirty-nine (39) washers. (Fig. 1)1-3The top cover can then be removed. (Fig. 1)*When installing the top cove