Yamaha-MG-16-6-FX-Service-Manual电路原理图.pdf

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1、PSR-A300 1 SERVICE MANUAL PA 011678 200306-49800 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K6101 03.05 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 3/5 DIMENSIONS. 7 PANEL LAYOUT. 8 CIRCUIT BOARD LAYOUT all Ch assign switches off. 81 dBu (85 dB S/N) AUX, EFFECT master control at nomina

2、l 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. (CHs 1 to 8) Maximum Voltage Gain 2 60 dB CH MIC INPUT CH INSERT OUT 84 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 MI

3、C INPUT REC OUT (CH to ST) 76 dB CH MIC INPUT AUX SEND (PRE) 86 dB CH MIC INPUT AUX SEND (POST)/EFFECT SEND 58 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

4、 ST CH LINE INPUT AUX SEND (POST)/EFFECT SEND 34 dB ST CH INPUT GROUP OUT/ST OUT (ST to ST) 16 dB AUX RETURN ST OUT 9 dB AUX RETURN AUX SEND 27.8 dB 2TR INPUT ST OUT Monaural/Stereo Input Gain Control44 dB variable Monaural/Stereo High Pass Filter80 Hz 12 dB/octave Crosstalk (1 kHz) 70 dB between in

5、put channels 70 dB between input/output channels (CH INPUT) Monaural Input Channel Equalization: Max. Variation (CHs 1 to 8) 3 15 dB HIGH 10 kHz shelving MID 0.255 kHz peaking LOW 100 Hz shelving Stereo Input Channel Equalization: Max. Variation (CHs 9/10 to 15/16) 3 15 dB HIGH 10 kHz shelving HI-MI

6、D 3 kHz peaking LO-MID 800 Hz peaking LOW 100 Hz shelving Graphic Equalizer 7-band (125, 250, 500 1 k, 2 k, 4 k, 8 k) Max. Variation 12 dB Internal Digital Effects16 programs, parameter control Monaural/Stereo Input Peak Indicator On each channel: red indicator lights if post-EQ signal (on ST channe

7、ls, if either post-EQ sig- nal or post-mic-amp signal) comes within 3 dB of the clipping level. Level Meters Two 12-point LED meters Stereo (L, R) Peak point: red indicator +5, +3, +1, and 0 points: yellow indicators 1, 3, 5, 7, 10, 15, 20: green indicators Phantom +48 VDC Power (Balanced input)Supp

8、lied when Phantom +48 V switch is ON. Included AccessoryPower adaptor (PA-30) Power Supply USA and Canada:120 VAC, 60 Hz Europe:230 VAC, 50 Hz Australia:240 VAC, 50 Hz Korea:220 VAC, 60 Hz Power Consumption51 W Max. Dimensions (W H D)423 108 416.6 mm Weightkg5.5 MG16/6FX 4 Input Specifi cations Wher

9、e 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 Specifi cations Where 0 dBu = 0.775 V and 0 dBV= 1 V Input ConnectorGain Input Impedance Appropriate Impedance Sensitivity*Rated Level Max. B

10、efore Clipping Connector Specifi cations MIC INPUT (CHs 1 to 8) 60 3 k50600 mic 80 dBu (0.078 mV) 60 dBu (0.775 mV) 40 dBu (7.75 mV) XLR-3-31 type (balanced) 16 36 dBu (12.3 mV) 16 dBu (123 mV) +4 dBu (1.23 V) LINE INPUT (CHs 1 to 8) 34 10 k600 line 54 dBu (1.55 mV) 34 dBu (15.5 mV) 14 dBu (155 mV)

11、Phone jack (TRS) (balanced T: hot; R: cold; S: ground) +10 10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V) ST CH MIC INPUT (CH9/CH10,CH11/CH12) 60 3 k50600 mic 80 dBu (0.078 mV) 60 dBu (0.775 mV) 40 dBu (7.75 mV) XLR-3-31 type (balanced) 16 36 dBu (12.3 mV) 16 dBu (123 mV) 10 dBu (245 mV) ST CH LI

12、NE INPUT (CH9(L)/CH10(R), CH11(L)/CH12(R) 34 10 k600 line 54 dBu (1.55 mV) 34 dBu (15.5 mV) 14 dBu (155 mV) Phone jack (unbalanced) +10 10 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 line 30 dBu (24.5 mV) 10 dBu (245 mV) +10 dBu (2.45 V) Phone

13、 jack (unbalanced); RCA pin jack CH INSERT IN (CHs 1 to 8) 10 k600 line 20 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 line 12 dBu (195 mV) +4 dBu (1.23 V) +24 dBu (12.3 V) Phone jack (TRS) (unbalanced T: hot; S: grou

14、nd) 2TR IN (L, R)10 k600 line 26 dBV (50.1 mV) 10 dBV (316 mV) +10 dBV (3.16 V) RCA pin jack Output Connectors Output Impedance Appropriate Impedance Rated Level Max. Before Clipping Connector Specifi cations ST OUT (L, R)150 600 line+4 dBu (1.23 V)+24 dBu (12.3 V) XLR-3-32 type (balanced) Phone jac

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

16、T: out; R: in; S: ground) REC OUT (L, R)600 10 k line10 dBV (316 mV) +10 dBV (3.16 V)RCA pin jack C-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 jack MG16/6FX 5 総合仕様 一般仕様 0 dBu=0.775

17、 V、 0 dBV=1 V *1Rs=150 ohms 12.7 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) & *1 128 dBu

18、入力換算( CH1 8) 100 dBu 残留 (ST OUT) 88 dBu( 92 dB S/N) ST OUT、 GROUP OUT 、 全 OFF 81 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 *2 60 dB CH MIC INPUT CH INSERT OUT 84 dB CH MIC INPUT GROUP OUT/ST OUT( CH to ST) 94 dB CH MIC INPUT ST OUT( GROUP to ST) 62.2 dB

19、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 SEND 58 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)

20、 57 dB ST CH LINE INPUT AUX SEND( POST) /EFFECT SEND 34 dB ST CH INPUT GROUP OUT/ST OUT( ST to ST) 16 dB AUX RETURN ST OUT 9 dB AUX RETURN AUX SEND 27.8 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 dB HIGH 10 kHz MID 0.25 5 kHz LOW

21、100 Hz 入力特性最大可 変幅(CH9/1015/16)*3 15 dB HIGH 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 10

22、0 V AC 50/60 Hz 消費電力 51 W 最大外形寸法( W H D)W423 H108 D416.6 mm 質量5.5 kg MG16/6FX 6 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) 60 3 k 50 600 80 dBu ( 0.078 mV) 60 dBu ( 0.775 mV) 40 dBu ( 7.75 mV) XLR-3-31 (型) 16 36 dBu (

23、 12.3 mV) 16 dBu ( 123 mV) +4 dBu ( 1.23 V) LINE INPUT (CH1 8) 34 10 k 600 54 dBu ( 1.55 mV) 34 dBu ( 15.5 mV) 14 dBu ( 155 mV) ( TRS) ( 型 T:、 R: 、 S:) +10 10 dBu ( 245 mV) +10 dBu ( 2.45 V) +30 dBu ( 24.5 V) ST CH MIC INPUT (CH9/CH10、 CH11/CH12) 60 3 k 50 600 80 dBu ( 0.078 mV) 60 dBu ( 0.775 mV) 4

24、0 dBu ( 7.75 mV) XLR-3-31 (型) 16 36 dBu ( 12.3 mV) 16 dBu ( 123 mV) 10 dBu ( 245 mV) ST CH LINE INPUT (CH9(L)/CH10(R)、 CH11(L)/CH12(R) 34 10 k 600 54 dBu ( 1.55 mV) 34 dBu ( 15.5 mV) 14 dBu ( 155 mV) (型) +10 10 dBu ( 245 mV) +10 dBu ( 2.45 V) +30 dBu ( 24.5 V) ST CH INPUT (CH13(L)/CH14(R)、 CH15(L)/C

25、H16(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 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

26、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) +24 dBu( 12.3 V) XLR-3-32 (型) ( TRS) (型 T:、 R: 、 S:) GROUP OUT (1-4) AUX SEND (1-2) EFFECT SEND 150 10 k +4 dBu( 1.23 V) +20 dBu( 7.75 V)( TRS) (型 T:、 R:、 S: ) CH INSERT OUT ( CH1

27、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 C-R OUT (L、R)150 10 k +4 dBu (1.23 V) +20 dBu (7.75 V) ( TRS) (型 T:、 R:、 S:) PHONES 100 40 3 mW75 mW MG16/6FX 7 DIMENSIONS 393 31.5 309.6 D 416.6 H 108 101.33 W 423 Units: m

28、m (単位) (寸法図) MG16/6FX 8 1 2 3 4 5 6 7 8 9 10 11 12 Channel Control Section GAIN Control PEAK Indicator 80 Switch (High Pass Filter) Equalizer (HIGH, MID, LOW) AUX1 and AUX2 Controls PRE Switch EFFECT Control PAN Control (CHs 1 to 8) PAN/BAL Control (9/10 and 11/12) BAL Control (13/14 and 15/16) ST S

29、witch PFL (Pre-Fader Listen) Switch GROUP Switches ( ) Channel Fader PANEL LAYOUT Channels 1 to 8 (Monaural) Channels 9/10 to 15/16 (Stereo) 1 2 3 4 5 6 7 8 9 10 11 12 GAIN PEAK 80 () (HIGH 、 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

30、( ) (部) () MG16/6FX 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ST Master Fader GROUP Faders (1-2, 3-4) TO ST Switch Master SEND (AUX1, AUX2, and EFFECT controls) RETURN (AUX1, AUX2, and ST Controls) 2TR IN Control PHANTOM +48 V Switch Level-Meter Signal Switches C-R/PHONES C

31、ontrol Level Meter POWER Indicator ST GRAPHIC EQUALIZER PHONES Jack DIGITAL EFFECT ST 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 EQUALIZER PHONES 端子 DIGITAL EFFECT Master Control Section(部) MG16/6FX 10 1 2 3 4 5 6

32、 7 8 9 10 11 12 Channel Input Jacks INSERT I/O Jacks Channel Input Jacks GROUP OUT (1 to 4) Jacks ST OUT (L, R) Jacks C-R OUT Jacks SEND Jacks RETURN L (MONO), R Jacks REC OUT (L, R) Jacks 2TR IN Jacks POWER Switch AC ADAPTOR IN Connector 1 2 3 4 5 6 7 8 9 10 11 12 INPUT 端子 INSERT I/O 端子 INPUT 端子 GR

33、OUP 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) MG16/6FX 11 Connector Polarities * These jacks will also accept connection to monaural phone plugs. If you use monaural plugs, the connection wil

34、l be unbalanced. MIC INPUT, ST OUT Pin 1: Ground Pin 2: Hot (+) Pin 3: Cold () LINE INPUT (monaural channels), GROUP OUT, ST OUT, C-R OUT, AUX1, AUX2, EFFECT* Tip: Hot (+) Ring: Cold () Sleeve: Ground INSERT I/O Tip: Output Ring: Input Sleeve: Ground PHONES Tip: L Ring: R Sleeve: Ground RETURN, LINE

35、 INPUT (stereo channels) Tip: Hot Sleeve: Ground INPUTOUTPUT Ring SleeveTip SleeveTip 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 OUT AUX 1、 AUX 2、 EFFECT :( +) :( ) : INSERT I/O : Output : Input : PHONES : L : R : RETURN LINE INPUT () : : INPUTOUTPUT M

36、G16/6FX 12 CIRCUIT BOARD LAYOUT & WIRING MAIN 2/3 MAIN 1/3 DSP PS MAIN 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 (P

37、S circuit board) PS circuit board V9738100 (結線図) MG16/6FX 13 560 550 550 490 490 490 550 460C460A 560 490 460B 460D Hexagonal nut Ax 37 and flat washer x 37 (特殊六角Ax37平x37) 570A 570A Rack mount angle R (R) 570B 570B Rack mount angle L (L) Rear view Bottom view Left side view Right side view DISASSEMB

38、LY PROCEDURE 460: Bind Head Tapping Screw-S3.0X6 MFZN2BL (EP630210) 490: Bonding Tapping Screw-B3.0X8 MFZN2BL (VN413300) 550: Bind Head Tapping Screw-S3.0X6 MFZN2BL (EP630210) 560: Bind Head Tapping Screw-B3.0X8 MFZN2BL (EP600190) 570: Bind Head Screw 4.0X8 MFZN2BL (EG340360) 1.(所要時間:約1 分) 1-1570A2本

39、外、R外 。 (図1) 1-2570B2本外、L外 。 (図1) 2.(所要時間:約3 分) 2-155010本5604本外、 外。 (図1) 1.Rack Mount Angle (Time required: About 1 minute) 1-1Remove the two (2) screws marked 570A. The rack mount angle R can then be removed. (Fig. 1) 1-2Remove the two (2) screws marked 570B. The rack mount angle L can then be remov

40、ed. (Fig. 1) 2.Bottom Cover (Time required: About 3 minutes) 2-1Remove the ten (10) screws marked 550 and the four (4) screws marked 560. The bottom cover can then be removed. (Fig. 1) Fig .1(図1) (小) (分解手順) (S) (B) (S) (B) MG16/6FX 14 3.PS(所要時間:約4 分) 3-1外。 (2 項参照) 3-25302本5401本外、PS 外。 (写真1) 3-3IC01、

41、 04、 05止A3本外。 (写真2) 3-4B 3本外。 (写真3) 3-5IC02、 IC03、Q01取、 PS 外。 (写真3) 4.(所要時間:各約5分) 4-1外。 (2 項参照) 4-2 L: 4-2-1 L外。 (1 項参照) 4-2-2460C 1本460D3 本、 470A 3本、 480A2本外、 L 外。 (図1、写真4) 4-3R: 4-3-1R外。 (1項参照) 4-3-2PS 外。 (3 項参照) 4-3-3460A1 本460B 3本、 470B 3本、 480B2本外、 R 外。 (図1、写真5) 5.電源AC (所要時間 : 各約5分) 5-1外。 (2 項参

42、照) 5-2R外。 (1項参照) 5-3PS 外。 (3 項参照) 5-4R外。 (4項参照) 5-5電源曲電源外 。 (写真6) 5-6特殊六角1個平1個外、 AC 外。 (写真6) 3.PS Circuit Board (Time required: About 4 minutes) 3-1Remove the bottom cover. (See procedure 2.) 3-2Remove the two (2) screws marked 530 and the screw marked 540. The PS circuit board and Heat sink can the

43、n be removed. (Photo. 1) 3-3Remove the three (3) screws marked A. IC01, IC04, and IC05 are stopped. (Photo. 2) 3-4Remove the three (3) screws marked B. (Photo. 3) 3-5Remove the solder IC02, IC03 and Q01. The heat sink can then be removed from the PS circuit board. (Photo. 3) 4.Side Cover (Time requi

44、red: About 5 minutes each) 4-1Remove the bottom cover. (See procedure 2.) 4-2Side Cover L: 4-2-1Remove the rack mount angle L. (See procedure 1.) 4-2-2Remove the screw marked 460C, the three (3) screws marked 460D, the three (3) screws marked 470A and the two (2) screw marked 480A. The side cover L

45、can then be removed. (Fig. 1, Photo. 4) 4-3Side Cover R: 4-3-1Remove the rack mount angle R. (See procedure 1.) 4-3-2Remove the PS circuit board. (See procedure 3.) 4-3-3Remove the screw marked 460A, the three (3) screws marked 460B, the three (3) screws marked 470B and the two (2) screw marked 480B

46、. The side cover R can then be removed. (Fig. 1, Photo. 5) 5.Power Switch and AC Connector (Time required: About 5 minutes each) 5-1Remove the bottom cover. (See procedure 2.) 5-2Remove the rack mount angle R. (See procedure 1.) 5-3Remove the PS circuit board. (See procedure 3.) 5-4Remove the side c

47、over R. (See procedure 4.) 5-5Remove the power switch by bending its claw. (Photo. 6) 5-6To remove the AC connector, remove the hexagonal nut and flat washer. (Photo. 6) 530 530 540 PS Heat sink () 530: Bind Head Tapping Screw-B3.0X8 MFZN2BL (EP600190) 540: Bind Head Tapping Screw-S3.0X6 MFZN2BL (EP

48、630210) Photo.1 (写真1) (B) (S) B: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) (B) Photo.3 (写真3) A: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) (B) Photo.2 (写真2) A B B IC02IC03Q01 MG16/6FX 15 6.DSP (所要時間:約4 分) 6-1外。 (2項参照) 6-2PS 外。 (3項参照) 6-3510 4 本外、DSP外。 (写真7) 6.DSP Circuit Board (Time required: About 4 minutes) 6-1Remove the bottom cover. (See procedure 2.) 6-2Remove the PS circuit board and Heat sink. (See procedure 3.) 6-3Remove the four (4) screws marked 510. Th

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