Yamaha-MG-166-C-USB-Service-Manual电路原理图.pdf

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

2、USB/MG166C 分解手順） .23 LSI PIN DESCRIPTION （LSI端子機能表） .27 IC BLOCK DIAGRAM （IC図） .30 CIRCUIT BOARDS （基板図） .33 INSPECTIONS （検査） .44/52 PARTS LIST IC & DIODE FIGURES （外形図） BLOCK & LEVEL DIAGRAM （&） CIRCUIT DIAGRAM （回路図） I CONTENTS （目次） PA011869 Copyright (c) Yamaha Corporation. All rights reserved. 07.0

3、8 HAMAMATSU, JAPAN （ECF：無塩素系漂白）使用。 This document is printed on chlorine free (ECF) paper. MG166CX-USB/MG166CX: xxxxxx-xxxxx MG166C-USB/MG166C: xxxxxx-xxxxx MG166C-USBMG166CX-USB MG166C MG166CX MG166C-USB MG166CX-USB ￥62,790 ￥68,040 ￥71,190 ￥76,440 2007年8月発売時期 RadioFans.CN 收音机爱好者资料库 MG166CX-USB/MG1

4、66CX/MG166C-USB/MG166C 2 IWARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. 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 NOTICE This manual has been provided for the use of authorized Yamaha Retailers and

5、their service personnel. It has been assumed that 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:Failure to follow appropriate service and safety procedures when se

6、rvicing this product may result in personal injury, destruc- tion of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service

7、 representative. IMPORTANT:This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is believed to be accurate

8、and applicable to the unit(s) indicated on the cover. The research engineering, and service departments 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 retrofi

9、t. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connec

10、t to this bus). IMPORTANT:Turn the unit OFF during disassembly 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

11、 applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON

12、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 come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. IMPORT

13、ANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING:THIS APPARATUS MUST BE EARTHED IMPORTANT.The wires in this mains lead are coloured in accordance with the following code: GREEN-AND-YELLOW:EARTH BLUE:NEUTRAL BROWN:LIVE As the colours of the wires in the mains lead of this appara

14、tus may not correspond with the coloured markings identifying the terminals in your plug, 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 safety earth symbol or colored GREEN or colored GREEN and

15、YELLOW. The wire which 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. RadioFans.CN 收音机爱好者资料库 MG166CX-USB/MG166CX/MG166C-USB/

16、MG166C 3 ISPECIFICATIONS Electrical Specifications General Specifications MG166CX-USB/MG166CX/MG166C-USB/MG166C 4 Analog Input Specifications Analog Output Specifications Digital Input/Output Specifications (MG166CX-USB, MG166C-USB only) MG166CX-USB/MG166CX/MG166C-USB/MG166C 5 総合仕様電気的特性一般仕様 MG166C

17、X-USB/MG166CX/MG166C-USB/MG166C 6 入力仕様出力仕様入出力仕様（MG166CX-USB、 MG166C-USB） MG166CX-USB/MG166CX/MG166C-USB/MG166C 7 Unit: mm 単位：mm 444 478 102 98 5 496 43 41 488.5 IDIMENSIONS （寸法図） MG166CX-USB MG166CX-USB/MG166CX/MG166C-USB/MG166C 8 IPANEL LAYOUT （） Channel Control Section （部） MIC Input Jacks LINE I

18、nput Jacks (monaural channels) LINE Input Jacks (stereo channels) LINE Input Jacks (stereo channels) INSERT Jacks GAIN Control 80 Switch (High-Pass Filter) COMP Control PEAK Indicator Equalizer (HIGH, MID and LOW) AUX, EFFECT Control AUX PRE Switch PAN Control PAN/BAL Control BAL Control ON Switch P

19、FL (Pre-Fader Listen) Switch 1-2 Switch 3-4 Switch ST Switch Channel Fader 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I MIC入力端子 LINE入力端子（） LINE入力端子（） LINE入力端子 INSERT端子 GAIN 80 （） COMP PEAK EQ （：HIGH、MID、LOW） AUX、EFFECT AUX PRE PAN PAN/BAL BAL ON PFL 1-2 3-4 ST 1 2 1

20、5 66 C D F G H I E 0 AA 99 77 8 3 4 B C D F G H I E 0 B Channels 9/10 and 11/12 (Stereo) 9/10、11/12 （） Channels 1 to 6 (Monaural) 16 （） Channels 7 and 8 (Monaural) 7、8 （） Channels 13/14 and 15/16 (Stereo) 13/14、15/16 （） * * AAUX1, AUX2, EFFECT (MG166CX-USB, MG166CX) AUX1, AUX2, AUX3 (MG166C-USB, MG1

21、66C) MG166CX-USB/MG166CX/MG166C-USB/MG166C 9 Digital Effects Section （部） FOOT SWITCH Jack PROGRAM Dial PARAMETER Control AUX Control ON Switch PFL Switch 1-2 Switch 3-4 Switch ST Switch EFFECT RTN Fader 1 2 3 4 5 6 7 8 9 0 FOOT SWITCH端子 PROGRAM選択 PARAMETER AUX ON PFL 1-2 3-4 ST EFFECT RTN 1 2 3 4 5

22、6 7 8 9 0 4 3 5 0 2 6 1 7 8 9 *Only the MG166CX-USB and MG166CX have digital effects. （機能MG166CX-USB、MG166CX内蔵。） MG166CX-USB/MG166CX/MG166C-USB/MG166C 10 Master Control Section （部） 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J K L USB Connector (MG166CX-USB/MG166C-USB only) SEND Jacks (AUX, EFFECT) GROUP

23、OUT (1 to 4) Jacks REC OUT (L, R) Jacks 2TR IN Jacks RETURN L (MONO), R Jacks STEREO OUT (L, R) Jacks XLR Jacks LINE Jacks MONITOR OUT Jacks PHONES Jack PHANTOM +48 V Switch POWER Indicator Level Meter RETURN AUX1, AUX2 Control STEREO Control Master SEND Controls (AUX, EFFECT) MONITOR/PHONES MONITOR

24、 Switches MONITOR Control 2TR IN (MG166CX/MG166C) 2TR IN/USB (MG166CX-USB/MG166C-USB) 2TR IN/USB Switch 2TR IN/USB Control GROUP 1-2 Fader GROUP 3-4 Fader ST Switch STEREO OUT Master Fader POWER Switch AC ADAPTOR IN Connector 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J K L USB端子（MG166CX-USB/MG166C-USB）

25、 SEND端子（AUX、EFFECT） GROUP OUT （1-4）端子 REC OUT （L、R）端子 2TR IN端子 RETURN L （MONO）、R端子 STEREO OUT （L、R）端子 XLR 端子 LINE 端子 MONITOR OUT端子 PHONES端子 PHANTOM +48 V POWER RETURN AUX1、2 STEREO SEND （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/USB

26、 GROUP 1- 2 GROUP 3-4 ST STEREO OUT 電源 AC ADAPTOR IN端子 A B J F 0 C I G 7 9 5 2 4 8 36 E D H Rear panel * * 1 KL * 2, D AUX1, AUX2, EFFECT (MG166CX-USB, MG166CX) AUX1, AUX2, AUX3 (MG166C-USB, MG166C) MG166CX-USB/MG166CX/MG166C-USB/MG166C 11 Connector Polarities 端子接続極性 * These jacks will also accept c

27、onnection to phone plugs. If you use monaural plugs, the connection will be unbalanced. Input and Output JacksPolarities Confi gurations MIC INPUT, STEREO OUT Pin 1: Ground Pin 2: Hot (+) Pin 3: Cold () LINE INPUT (monaural channels) GROUP OUT, STEREO OUT, MONITOR OUT, AUX SEND, EFFECT SEND (MG166CX

28、-USB, MG166CX only)* Tip: Hot (+) Ring: Cold () Sleeve: Ground INSERT Tip: Output Ring: Input Sleeve: Ground PHONES Tip: L Ring: R Sleeve: Ground RETURN LINE INPUT (stereo channels) Tip: Hot Sleeve: Ground OUTPUTINPUT XLR Jack TipSleeve Ring TRS Phone Jack TipSleeve Phone Jack 1： 2：（+） 3：（）：（+）

29、：（）：：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 OUT LINE INPUT （） GROUP OUT、STEREO OUT、 MONITOR OUT、AUX SEND、 EFFECT SEND （MG166CX-USB、MG166CX） INSERT PHONES RETURN LINE INPUT （） OUTPUTINPUT XLR端子 TRS端子端子 MG166CX-USB/MG166CX/MG166C-USB/MG166C 12 I CIRCUIT BOARD LAYOU

30、T （） Rear （） (MG166CX-USB) (MG166CX-USB, MG166CX) (MG166C-USB) Front （） MIX16X MIX16 JACK16X JACK16 DSP PS16X PS16 USB USB MG166CX-USB/MG166CX/MG166C-USB/MG166C 13 I WIRING DIAGRAM （基板結線図） 7P-110 3P-140 5P-160 9P-470 1 2 3 4 (WJ98020) (WJ98040) (WJ98030) (WJ78440) MIX16(X)-CN053 PS16(X)-CN101 JACK16

31、(X)-CN001 PS16(X)-CN102 JACK16(X)-CN051 PS16(X)-CN104 JACK16(X)-CN903 USB-CN101 40 50 60 100 MG166CX-USB, MG166CX only MG166CX-USB, MG166C-USB only Remarks 備考 No.Part No. Assembly Name 線材名 Connection 接続 Location Connector Assembly PS7P Connector Assembly PS3P Connector Assembly PS5P Connector Assemb

32、ly USB16 PS7P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) CN201 (9

33、P) CN301 (9P)CN053 (7P) CNM02 (20P) CN052 (20P) CN051 (5P) PS16X PS16XUSB DSP (MG166CX-USB, MG166CX only) (MG166CX-USB, MG166C-USB only) USB MIX16X MIX16 JACK16X JACK16 1 2 4 3 MG166CX-USB/MG166CX/MG166C-USB/MG166C 14 IOVERALL ASSEMBLY WIRING （総組立配線図） The inside room of this product is very little b

34、ecause a lot of units 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

35、 the MG166CX-USB and MG166CX. （ “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。） 20 180180 * 2 * 2 180 * 2 100 * 2 180 * 2 180 * 2 90 * 1 (CN104) 60 (CN102) 50 (CN101) 40 MG166CX-USB/MG166CX/MG166C-USB/MG

36、166C 15 2.MG166CX-USB, MG166CXThe wiring of the MIX16X 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, MG166CX Install the JACK16X circuit board Ref. 250. （JACK16X Ref. 25

37、0 取付。） Note: Pass the connector assembly PS7P Ref. 40, connector assembly PS3P Ref. 50 and connector assembly PS5P * 1 Ref. 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 USB

38、16 Ref. 100 through the incision part of JACK16X circuit board Ref. 250. （注： USB16束線 Ref. 100 JACK16X Ref. 250 切欠通。） MG166C-USB, MG166C Install 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 inci

39、sion part of JACK16 circuit board Ref. 250. （注： PS7P束線 Ref. 40 PS3P束線 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 board JACK16

40、（X）切欠 Incision part of JACK16(X) circuit board JACK16 （X）切欠 250 * 2* 2 506040 * 1* 1 100 * 2* 2 MG166CX-USB/MG166CX/MG166C-USB/MG166C 16 Whole picture （全体写真） JACK16(X) CN001 MIX16(X) CN053 MIX16(X) CN101 MIX16(X) CN201 MIX16(X) CN301 MIX16(X) CN801 MIX16(X) CN002 JACK16(X) CN903 JACK16(X) K101 JAC

41、K16(X) K103 JACK16(X) K102 MIX16(X) CN051 MIX16(X) CN004 MIX16(X) K051 MIX16(X) CN003 MIX16(X) CN401 MIX16(X) CN701 340 50 40 250 100* 2* 2 * 2* 2 * 2 * 2 * 2 * 2 * 1 * 1* 1 * 1* 1 60 MIX16(X) CN001 2-2. The wiring of the connector assemblies from the Inner Chassis assembly. （束線配線） MG166CX-USB, MG16

42、6CX 100 * 2 40 50 60 * 1 Ref. No. Connector Assembly USB16 Connector Assembly PS7P Connector Assembly PS3P Connector Assembly PS5P Part JACK16X circuit board CN903 MIX16X circuit board CN053 JACK16X circuit board CN001 MIX16X circuit board CN051 Wiring Point Fix the connector assembly with the style

43、 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. （JACK16X Ref. K103 固定。） Pass the connector assembly under the Jumper Wire. （下通。） Fix the connector assembly with the style pin Ref. K

44、051 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/MG166C 17 100 * 2 40 50 Ref. No. Connector Assembly USB16 Connector Assembly PS7P Connector Assembly PS3P Part JACK16 circuit board CN903 MIX16 circuit board CN053

45、 JACK16 circuit board CN001 Wiring Point Fix 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 style pin Ref. K103 on the JACK16 circuit board. （JACK16 Ref. K103 固定。） Note （注意） Note: In the MG166C,

46、bend the K101 and K102 of JACK16 circuit board in the direction where the jumper leads are not installed. (See the picture below) （注： MG166C、JACK16K101K102線実装方向曲。（下写真参照）） Note: In the MG166CX, bend the K101 and K102 of JACK16X circuit board in the direction where the jumper leads are not installe

47、d. (See the picture below) （注： MG166CX、JACK16XK101K102線実装方向曲。（下写真参照）） MG166C-USB, MG166C JACK16(X) K101 JACK16(X) K102 MIX16(X) CN053 JACK16(X) K103 JACK16(X) CN001 * 2* 2 * 2* 2 50 40 100 * 1* 1 60 JACK16(X) CN903 * 2* 2 JACK16(X) K101 Connector assembly USB16 Connector assembly USB16 Connector assembly USB16Connector assembly USB16 * 2* 2 * 1* 1 JACK16(X) K102 * 1* 1 MIX16(X) CN051 MIX16(X) K051 Connector assembly PS5PConnector assembly PS5P Connector assemb