Yamaha-MG16_6FX-mix-sm 维修电路原理图.pdf

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1、PSR-A3001SERVICE MANUALPA011678200306-49800Copyright (c) Yamaha Corporation. All rights reserved. PDF-K6101 03.05HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 3/5DIMENSIONS. 7PANEL LAYOUT. 8CIRCUIT BOARD LAYOUT & WIRING. 12DISASSEMBLY PROCEDURE. 13LSI PIN DESCRIPTION. 18IC BLOCK DIAGRAM. 20CIRCUIT BOARDS

2、. 21INSPECTIONS. 29/35PARTS LISTBLOCK DIAGRAM & LEVEL DIAGRAMOVERALL CIRCUIT DIAGRAM（総合仕様）（寸法図）（）（結線図）（分解手順）（LSI端子機能表）（IC図）（基板図）（検査）（）（総回路図）（目次）MIXING CONSOLEA manufacture number should use thismanual with goods of 7 figures.（本、 製造番号7桁商品使用。 ）The example of a manufacture number.（製造番号例）LK010017 figure

3、s（7桁）The service manual of PA 011781 shouldbe used for the goods whose manufacturenumber is 9 or more figures.（製造番号9桁以上商品、 PA 011781使用。 ）The example of a manufacture number.（製造番号例）JCLJ01001UCCLJ01001CHNCLJ010019-11 figures（911桁）RadioFans.CN 收音机爱 好者资料库MG16/6FX2IMPORTANT NOTICEThis manual has been pro

4、vided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-stood by the users, and have therefore not been restated.WARNING :Failure to fol

5、low appropriate service and safety procedures when servicing this product may result in per-sonal injury, destruction of expensive components and failure of the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service required should be performed by ana

6、uthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship ofany fo

7、rm.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, andservice departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in specification are subject to cha

8、nge without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distributors Service Division.WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground bus in

9、 the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply powerto the unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electr

10、ical/electronic and/or plastic (Whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPON

11、ENTS IN YOUR MOUTH FOR ANY REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hand

12、s before handlingfood.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordIMPORTANT. The wires in this mains lead are coloured in accordance with the following code:BLUE : NEUTRALBROWN : LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the co

13、loured makings identifying the terminals in yourplug proceed as follows: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 colour

14、ed RED.Making sure that neither core is connected to the earth terminal of the three pin plug.WARNINGComponents having special characteristics are marked and must be replaced with parts having specification equal to thoseoriginally 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。RadioFans.CN 收音机爱 好者资料库MG16/6F

15、X3SPECIFICATIONSGeneral SpecificationsWhere 0 dBu = 0.775V and 0 dBV = 1 V 1Rs = 150 ohms Measured with 12.7 kHz, 6 dB/oct. low pass filter (equivalent to 20 kHz, filter). (CH MIC INPUT to ST, GROUP OUT/AUX, EFFECT SEND)2Turning PAN/BAL to left or right.3Shelving turnover/rolloff frequency: 3 dB bef

16、ore maximum cut or boost.Frequency Characteristics (ST OUT)20 Hz20 kHz +1 dB, 3 dB +4 dBu, 600 (with gain control at maximum level)Total Harmonic Distortion (ST OUT)0.1% (THD+N) +14 dBu, 20 Hz20 kHz, 600 (with gain control at maximum level)Hum and Noise 1128 dBuEquivalent input noise (CHs 1 to 8)100

17、 dBuResidual output noise (ST OUT)88 dBu (92 dB S/N)ST, GROUP Master fader at nominal level; all Ch assign switches off.81 dBu (85 dB S/N)AUX, EFFECT master control at nominal level; all channel mix con-trols at minimum level.64 dBu (68 dB S/N)ST, GROUP Master fader and one Ch fader at nominal level

18、. (CHs 1 to 8)Maximum Voltage Gain 260 dB CH MIC INPUT CH INSERT OUT84 dB CH MIC INPUT GROUP OUT/ST OUT (CH to ST)94 dB CH MIC INPUT ST OUT (GROUP to ST)62.2 dB CH MIC INPUT REC OUT (CH to ST)76 dB CH MIC INPUT AUX SEND (PRE)86 dB CH MIC INPUT AUX SEND (POST)/EFFECT SEND58 dB CH LINE INPUT GROUP OUT

19、/ST OUT (CH to ST)84 dB ST CH MIC INPUT GROUP OUT/ST OUT (CH to ST)58 dB ST CH LINE INPUT GROUP OUT/ST OUT (ST to ST)47 dB ST CH LINE INPUT AUX SEND (PRE)57 dB ST CH LINE INPUT AUX SEND (POST)/EFFECT SEND34 dB ST CH INPUT GROUP OUT/ST OUT (ST to ST)16 dB AUX RETURN ST OUT9 dB AUX RETURN AUX SEND27.8

20、 dB 2TR INPUT ST OUTMonaural/Stereo Input Gain Control44 dB variableMonaural/Stereo High Pass Filter80 Hz 12 dB/octaveCrosstalk (1 kHz)70 dB between input channels70 dB between input/output channels (CH INPUT)Monaural Input Channel Equalization: Max. Variation (CHs 1 to 8) 315 dBHIGH 10 kHz shelving

21、MID 0.255 kHz peakingLOW 100 Hz shelvingStereo Input Channel Equalization: Max. Variation (CHs 9/10 to 15/16) 315 dBHIGH 10 kHz shelvingHI-MID 3 kHz peakingLO-MID 800 Hz peakingLOW 100 Hz shelvingGraphic Equalizer7-band (125, 250, 500 1 k, 2 k, 4 k, 8 k)Max. Variation 12 dBInternal Digital Effects16

22、 programs, parameter controlMonaural/Stereo Input Peak IndicatorOn each channel: red indicator lights if post-EQ signal (on ST channels, if either post-EQ sig-nal or post-mic-amp signal) comes within 3 dB of the clipping level.Level MetersTwo 12-point LED meters Stereo (L, R)Peak point: red indicato

23、r+5, +3, +1, and 0 points: yellow indicators1, 3, 5, 7, 10, 15, 20: green indicatorsPhantom +48 VDC Power (Balanced input)Supplied when Phantom +48 V switch is ON.Included AccessoryPower adaptor (PA-30)Power SupplyUSA and Canada:120 VAC, 60 HzEurope:230 VAC, 50 HzAustralia:240 VAC, 50 HzKorea:220 VA

24、C, 60 HzPower Consumption51 WMax. Dimensions (W H D)423 108 416.6 mmWeightkg5.5MG16/6FX4Input SpecificationsWhere 0 dBu = 0.775 V and 0 dBV= 1 V* Input sensitivity: the lowest level that will produce the nominal output level when the unit is set to maximum gain.Output SpecificationsWhere 0 dBu = 0.7

25、75 V and 0 dBV= 1 VInput ConnectorGainInput ImpedanceAppropriate ImpedanceSensitivity*Rated LevelMax. Before ClippingConnector SpecificationsMIC INPUT(CHs 1 to 8)603 k50600 mic80 dBu (0.078 mV)60 dBu (0.775 mV)40 dBu (7.75 mV)XLR-3-31 type (balanced)1636 dBu (12.3 mV)16 dBu (123 mV)+4 dBu (1.23 V)LI

26、NE INPUT(CHs 1 to 8)3410 k600 line54 dBu (1.55 mV)34 dBu (15.5 mV)14 dBu (155 mV)Phone jack (TRS) (balanced T: hot; R: cold; S: ground)+1010 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V)ST CH MIC INPUT(CH9/CH10,CH11/CH12)603 k50600 mic80 dBu (0.078 mV)60 dBu (0.775 mV)40 dBu (7.75 mV)XLR-3-31 type (b

27、alanced)1636 dBu (12.3 mV)16 dBu (123 mV)10 dBu (245 mV)ST CH LINE INPUT(CH9(L)/CH10(R), CH11(L)/CH12(R)3410 k600 line54 dBu (1.55 mV)34 dBu (15.5 mV)14 dBu (155 mV)Phone jack (unbalanced)+1010 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V)ST CH INPUT(CH13(L)/CH14(R), CH15(L)/CH16(R)10 k600 line30 dBu

28、 (24.5 mV)10 dBu (245 mV)+10 dBu (2.45 V)Phone jack (unbalanced);RCA pin jackCH INSERT IN (CHs 1 to 8)10 k600 line20 dBu (77.5 mV)0 dBu (0.775 V)+20 dBu (7.75 V)Phone jack (TRS) (unbalanced T: out; R: in; S: ground)AUX RETURN (L, R)10 k600 line12 dBu (195 mV)+4 dBu (1.23 V)+24 dBu (12.3 V)Phone jack

29、 (TRS) (unbalanced T: hot; S: ground)2TR IN (L, R)10 k600 line26 dBV (50.1 mV)10 dBV (316 mV)+10 dBV (3.16 V)RCA pin jackOutput ConnectorsOutput ImpedanceAppropriate ImpedanceRated LevelMax. Before ClippingConnector Specifications ST OUT (L, R)150 600 line+4 dBu (1.23 V)+24 dBu (12.3 V)XLR-3-32 type

30、 (balanced)Phone jack (TRS) (balanced T: hot; R: cold; S: ground)GROUP OUT (1-4)AUX SEND (1-2)EFFECT SEND150 10 k line+4 dBu (1.23 V)+20 dBu (7.75 V)Phone jack (TRS)(impedance balanced T: hot; R: cold; S: ground)CH INSERT OUT(CHs 1 to 8)150 10 k line0 dBu (0.775 V)+20 dBu (7.75 V)Phone jack (TRS) (u

31、nbalanced T: out; R: in; S: ground)REC OUT (L, R)600 10 k line10 dBV (316 mV) +10 dBV (3.16 V)RCA pin jackC-R OUT (L, R)150 10 k line+4 dBu (1.23 V)+20 dBu (7.75 V)Phone jack (TRS) (impedance balanced T: hot; R: cold; S: ground)PHONES 100 40 phone3 mW75 mWStereo phone jackMG16/6FX5総合仕様一般仕様 0 dBu=0.7

32、75 V、 0 dBV=1 V *1Rs=150 ohms12.7 kHz、 6 dB/oct. 測定（ 20 kHz、 dB/oct. 相当）（ CH MIC INPUT to ST、 GROUP OUT/AUX、 EFFECT SEND） *2PAN/BAL 左右回 *3 / 周波数：最大可変幅対 3 dB 下周波数特性（ST OUT） 20 Hz 20 kHz +1 dB, 3 dB +4 dBu（） , 600 （GAIN最大） 全高調波歪率（ ST OUT）0.1 %（ THD+N） +14 dBu, 20 Hz 20 kHz, 600 （GAIN最大） & *1128 dBu入力換

33、算（ CH1 8）100 dBu残留 (ST OUT)88 dBu（ 92 dB S/N） ST OUT、 GROUP OUT、全 OFF81 dBu（ 85 dB S/N） AUX 、 EFFECT 、全最小 64 dBu（ 68 dB S/N） ST OUT、 GROUP OUT 1 （ CH1 8）最大電圧 *260 dB CH MIC INPUT CH INSERT OUT84 dB CH MIC INPUT GROUP OUT/ST OUT（ CH to ST） 94 dB CH MIC INPUT ST OUT（ GROUP to ST） 62.2 dB CH MIC INPUT

34、REC OUT（ CH to ST） 76 dB CH MIC INPUT AUX SEND（ PRE） 86 dB CH MIC INPUT AUX SEND（ POST） /EFFECT SEND58 dB CH LINE INPUT GROUP OUT/ST OUT（ CH to ST） 84 dB ST CH MIC INPUT GROUP OUT/ST OUT（ CH to ST） 58 dB ST CH LINE INPUT GROUP OUT/ST OUT（ ST to ST） 47 dB ST CH LINE INPUT AUX SEND（ PRE） 57 dB ST CH L

35、INE INPUT AUX SEND（ POST） /EFFECT SEND34 dB ST CH INPUT GROUP OUT/ST OUT（ ST to ST） 16 dB AUX RETURN ST OUT9 dB AUX RETURN AUX SEND27.8 dB 2TR INPUT ST OUT、44 dB 可変、80 Hz 12 dB/octave (1 kHz) 70 dB 入力間 70 dB 入出力間（ CH INPUT）入力特性最大可変幅（CH18）*3 15 dBHIGH 10 kHz MID 0.25 5 kHz LOW 100 Hz 入力特性最大可変幅（CH9/10

36、15/16）*3 15 dBHIGH 10 kHz HI-MID 3 kHz LO-MID 800 Hz LOW 100 Hz 7 （ 125、 250、 500、 1 k、 2 k、 4 k、 8 k）最大可変幅 12 dB内蔵16 、各、（ MIC ： ST CH）後段、一方信号手前 3 dB 達赤点灯12 LED 2（ L、 R）時：赤 +5、 +3、 +1、 0：黄 1、 3、 5、 7、 10、 15、 20：緑電源 +48 VDC（入力）PHANTOM +48 V ON 供給付属品電源 (PA-30)電源100 V AC 50/60 Hz消費電力51 W最大外形寸法（ W H D）

37、W423 H108 D416.6 mm 質量5.5 kgMG16/6FX6入力仕様 0 dBu=0.775V、 0 dBV=1V *1入力感度：最大測定時定格出力得最小出力仕様 0 dBu=0.775V、 0 dBV=1 V 入力端子名称入力適合感度 *1規定最大端子仕様 MIC INPUT(CH1 8）603 k 50 600 80 dBu（ 0.078 mV） 60 dBu（ 0.775 mV） 40 dBu（ 7.75 mV） XLR-3-31 （型） 1636 dBu（ 12.3 mV） 16 dBu（ 123 mV） +4 dBu（ 1.23 V） LINE INPUT(CH1 8)

38、3410 k 600 54 dBu（ 1.55 mV） 34 dBu（ 15.5 mV） 14 dBu（ 155 mV）（ TRS） （型 T：、 R: 、 S：） +1010 dBu（ 245 mV） +10 dBu（ 2.45 V） +30 dBu（ 24.5 V） ST CH MIC INPUT(CH9/CH10、 CH11/CH12)603 k 50 600 80 dBu（ 0.078 mV） 60 dBu（ 0.775 mV） 40 dBu（ 7.75 mV） XLR-3-31 （型） 1636 dBu（ 12.3 mV） 16 dBu（ 123 mV） 10 dBu（ 245 mV

39、） ST CH LINE INPUT(CH9(L)/CH10(R)、CH11(L)/CH12(R)3410 k 600 54 dBu（ 1.55 mV） 34 dBu（ 15.5 mV） 14 dBu（ 155 mV）（型） +1010 dBu（ 245 mV） +10 dBu（ 2.45 V） +30 dBu（ 24.5 V） ST CH INPUT(CH13(L)/CH14(R)、CH15(L)/CH16(R)10 k 600 30 dBu（ 24.5 mV） 10 dBu（ 245 mV） +10 dBu（ 2.45 V）（型）、 RCA CH INSERT IN (CH1 8)10 k

40、 600 20 dBu（ 77.5 mV） 0 dBu（ 0.775 V） +20 dBu（ 7.75 V）（ TRS）（型 T：、 R：、 S：） AUX RETURN (L、 R)10 k 600 12 dBu（ 195 mV） +4 dBu（ 1.23 V） +24 dBu（ 12.3 V）（ TRS）（型 T: 、 S: ） 2TR IN (L、 R)10 k 600 26 dBV（ 50.1 mV） 10 dBV（ 316 mV） +10 dBV（ 3.16 V） RCA 出力端子名称出力適合規定最大端子仕様 ST OUT (L、 R) 150 600 +4 dBu（ 1.23 V）

41、 +24 dBu（ 12.3 V） XLR-3-32 （型）（ TRS）（型 T:、 R: 、 S：） GROUP OUT (1-4)AUX SEND (1-2)EFFECT SEND150 10 k +4 dBu（ 1.23 V） +20 dBu（ 7.75 V）（ TRS）（型 T：、 R:、 S: ） CH INSERT OUT（ CH1 8） 150 10 k 0 dBu（ 0.775 V） +20 dBu（ 7.75 V）（ TRS）（型 T: 、 R：、 S: ） REC OUT (L、R)600 10 k 10 dBV （316 mV） +10 dBV （3.16 V） RCA

42、C-R OUT (L、R)150 10 k +4 dBu （1.23 V） +20 dBu （7.75 V） （ TRS）（型 T：、 R:、 S:） PHONES100 40 3 mW75 mWMG16/6FX7DIMENSIONS39331.5309.6D 416.6H 108101.33W 423Units: mm（単位）（寸法図）MG16/6FX8123456789101112 Channel Control SectionGAIN ControlPEAK Indicator 80 Switch (High Pass Filter)Equalizer (HIGH, MID, LOW)A

43、UX1 and AUX2 ControlsPRE SwitchEFFECT ControlPAN Control (CHs 1 to 8)PAN/BAL Control (9/10 and 11/12)BAL Control (13/14 and 15/16) ST SwitchPFL (Pre-Fader Listen) SwitchGROUP Switches ( )Channel FaderPANEL LAYOUTChannels 1 to 8 (Monaural)Channels 9/10 to 15/16(Stereo)123456789101112GAIN PEAK 80 （）（H

44、IGH 、 MID 、 LOW）AUX 1 、 AUX 2 PRE EFFECT PAN (CH1 8）PAN/BAL （CH 9/10、 11/12）BAL （CH 13/14、 15/16） ST PFL GROUP （ ）（部）（）MG16/6FX912345678910111213141234567891011121314ST Master FaderGROUP Faders (1-2, 3-4)TO ST SwitchMaster SEND (AUX1, AUX2, and EFFECT controls)RETURN (AUX1, AUX2, and ST Controls)2TR

45、 IN ControlPHANTOM +48 V SwitchLevel-Meter Signal SwitchesC-R/PHONES ControlLevel MeterPOWER IndicatorST GRAPHIC EQUALIZERPHONES JackDIGITAL EFFECTST GROUP （12、34）TO ST SEND （AUX 1、 AUX 2 、EFFECT ）RETURN（AUX 1、 AUX 2 、 ST ）2TR IN PHANTOM +48 V 信号切替CR/PHONES POWER ST GRAPHIC EQUALIZERPHONES 端子DIGITAL

46、 EFFECT Master Control Section（部）MG16/6FX10123456789101112Channel Input JacksINSERT I/O JacksChannel Input JacksGROUP OUT (1 to 4) JacksST OUT (L, R) JacksC-R OUT JacksSEND JacksRETURN L (MONO), R JacksREC OUT (L, R) Jacks2TR IN JacksPOWER SwitchAC ADAPTOR IN Connector123456789101112 INPUT 端子INSERT

47、I/O 端子 INPUT 端子GROUP OUT (1 4)端子ST OUT （L 、 R） 端子CR OUT 端子SEND 端子RETURN L （MONO） 、 R 端子REC OUT （L、 R） 端子2TR IN 端子電源AC ADAPTOR IN 端子 Rear Input/Output Section（入出力部）MG16/6FX11Connector Polarities* These jacks will also accept connection to monaural phone plugs. If you use monaural plugs, the connectio

48、n will be unbalanced.MIC INPUT, ST OUTPin 1: GroundPin 2: Hot (+)Pin 3: Cold ()LINE INPUT (monaural channels),GROUP OUT, ST OUT, C-R OUT,AUX1, AUX2, EFFECT*Tip: Hot (+)Ring: Cold ()Sleeve: GroundINSERT I/OTip: OutputRing: InputSleeve: GroundPHONESTip: LRing: RSleeve: GroundRETURN,LINE INPUT (stereo

49、channels)Tip: HotSleeve: GroundINPUTOUTPUTRingSleeveTipSleeveTip端子接続極性 端子、端子使用。場合、。 MIC INPUT、 ST OUT 1： 2：（ +） 3：（ ） LINE INPUT（）、 GROUP OUT、 ST OUT、 C-R OUTAUX 1、 AUX 2、 EFFECT：（ +）：（ ）： INSERT I/O： Output： Input： PHONES： L： R： RETURNLINE INPUT （）：INPUTOUTPUTMG16/6FX12CIRCUIT BOARD LAYOUT & WIRING

50、MAIN 2/3MAIN 1/3DSPPSMAIN 3/3(V975620)V9756100(V975600)(WA08700)Power switch and AC connector wiring（電源AC結線）Wiring to PS circuit board（PS結線）Final（結線取付完了図）（熱収縮：7箇所）Shrink tube (Seven places)CN01(PS circuit board)CN02(PS circuit board)CN03(PS circuit board)PS circuit boardV9738100（結線図）MG16/6FX13560550