Yamaha MGP16X, MGP12X Service Manual 电路图.pdf

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1、HAMAMATSU, JAPAN MGP16X: 201204-102,900 MGP12X: 201204-81,900 PA012043 SERVICE MANUAL Copyright (c) Yamaha Corporation. All rights reserved. PDF 12.02 SPECIFICATIONS（総合仕様） . 3/5 JACK LIST（端子極性一覧） . 7 PANEL LAYOUT（） . 8 CIRCUIT BOARD LAYOUT（） . 15 DIMENSIONS（寸法図） . 17 WIRING（結線図） . 18 DISASSEMBLY PRO

2、CEDURE（分解手順） . 20 LSI PIN DESCRIPTION（LSI 端子機能表） . 36 CIRCUIT BOARDS（基板図） . 40 INSPECTIONS（検査） . 54/65 START-UP SEQUENCE（起動） . 76/77 ENDING SEQUENCE（終了） . 78 PARTS LIST BLOCK DIAGRAM（） CIRCUIT DIAGRAM（回路図） CONTENTS（目次） MGP16XMGP12X RadioFans.CN 收音机爱 好者资料库 MGP16X/MGP12X 2 WARNING Components having sp

3、ecial characteristics are marked and must be replaced with parts having specifi cation equal to those originally installed. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inheren

4、t 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 servicing this product may result in personal injury, destruction of expensive com

5、ponents 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 representative. IMPORTANT : This presentation or sale of this manual to any indiv

6、idual 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 belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, an

7、d service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service D

8、ivision. 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 connect to this bus.) IMPORTANT : Turn the unit OFF during disassembly and parts replace

9、ment. Recheck all work before you apply power to the unit. WARNING: This product contains chemicals known to the State of California 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 EVE

10、R! 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. This applies onl

11、y to products distributed by Yamaha Music U.K. Ltd. (3 wires) IMPORTANT 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 : NEUTR

12、AL 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 which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the le

13、tter E or by the safety earth symbol or colored GREEN or GREEN-and-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 co

14、loured RED. 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 MGP16X/MGP12X SPECIFICATIONS 0 dBu=0.775 Vrms, 0 dBV=1 Vrms All faders are set to nominal position if not specifi ed. (Nominal position is adjusted to a position that is 10 dB lower than the maximum position) Output impedance of sign

15、al generator(Rs)=150 ohms, Output load impedance=10k ohms (TRS phone output), 600 ohms (XLR output) UNIT Frequency Response 20 Hz20 kHz, refer to the nominal output level 1 kHz GAIN: min (MONO CH, STEREO CH) +0.5/-1.0dB Total Harmonic DistortionSTEREO OUT +14 dBu20 Hz20 kHz, GAIN: min0.02% Noise*1 C

16、H INPUTEIN (Equivalent Input Noise): Rs=150 ohms, GAIN: max-128dBu STEREO OUT GROUP OUT STEREO and GROUP master faders are at nominal position and all of bus assign switches are off. -92dBu AUX SEND FX SEND AUX and FX master controls are at nominal position, and all of CH mix controls are at minimum

17、 position. -83dBu STEREO OUTResidual Output Noise-102dBu Crosstalk at 1 kHz*2 Adjacent InputBetween input channels-74dB Input to OutputSTEREO OUT L/R, PAN: panned hard left or right-74dB Maximum Voltage Gain (1 kHz)*3 CH INPUT MIC to CH INSERT OUT60dB STEREO OUT84dB GROUP OUT84dB REC OUT62dB MONITOR

18、 OUT80dB PHONES OUT69dB AUX SEND (AUX2: PRE)76dB AUX SEND (AUX2: POST)86dB FX SEND86dB RETURN to STEREO OUT16dB AUX SEND12dB 2TR IN to STEREO OUT28dB MONITOR OUT34dB *1 Noise is measured with an A-Weighting fi lter. *2 Crosstalk is measured with a 1 kHz band pass fi lter. *3 Maximum voltage gain is

19、measured under the condition that all faders and GAIN controls are at maximum. PAN/BAL controls are panned hard left or right. Electrical Characteristics General Specifi cations Supported iPod/iPhone models (as of Dec. 2011) * iPod classic, iPod touch (1st 4th generation), iPod nano (2nd 6th generat

20、ion), iPhone 4S, iPhone 4, iPhone 3GS, iPhone 3G, iPhone Input Channel HPF100 Hz, 12 dB/oct Input Channel EQ HIGH8 kHz, shelving MID MGP16X CHs 18, 1316: 250 Hz to 5 kHz, peaking MGP16X CHs 912: 2.5 kHz, peaking MGP12X CHs 14, 912: 250 Hz to 5 kHz, peaking MGP12X CHs 58: 2.5 kHz, peaking LOW125 Hz,

21、shelving Input Channel CompressorParameters (ratio, threshold, output gain) are controlled by one knob. Signal IndicatorCH INPUT PEAK indicator (red) SIG indicator (green) PEAK lights if the signal comes within 3 dB of the clipping level. LED Level Meter 2 x 12 segments LED meter (PEAK, +10, +6, +3,

22、 0, -3, -6, -10, -15, -20, -25, -30 dB) Metering point: post stereo master fader or pre monitor level Phantom Power+48 V Power Supply Requirements100240 V 50/60 Hz, auto sensing, IEC input Power Consumption MGP16X: 55 watts max MGP12X: 45 watts max Dimensions (W x H x D) MGP16X: 447 mm x 143 mm x 49

23、5 mm (17.6 x 5.6 x 19.5) MGP12X: 348 mm x 143 mm x 495 mm (13.7 x 5.6 x 19.5) Weight MGP16X: 9.0 kg (19.8 lb) MGP12X: 7.5 kg (16.5 lb) * The device may not function depending on your iPod/iOS software version. For updated information about supported software versions, check the Yamaha Pro Audio webs

24、ite ( iPodTM, iPhoneTM iPhone, iPod, iPod classic, iPod nano and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. RadioFans.CN 收音机爱 好者资料库 MGP16X/MGP12X 4 Analog Input Specifi cations Input ConnectorsPADGain Input Impedance Appropriate Impedance Input level Connect

25、or Specifi cations Sensitivity *1NominalMax. before Clipping MONO CH INPUT MGP16X: 1 8 MGP12X: 1 4 0 -60 dB 3k ohms 50 600 ohms Mics -80 dBu (0.078 mV)-60 dBu (0.775 mV)-40 dBu (7.75 mV) Combo jack*2 -16 dB-36 dBu (12.3 mV)-16 dBu (123 mV)+4 dBu (1.23 V) 26 dB -34 dB 600 ohms Lines -54 dBu (1.55 mV)

26、-34 dBu (15.5 mV)-14 dBu (155 mV) +10 dB-10 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) STEREO CH INPUT MGP16X: 9 12 MGP12X: 5 8 -60 dB 3k ohms 50 600 ohms Mics -80 dBu (0.078 mV)-60 dBu (0.775 mV)-40 dBu (7.75 mV) XLR-3-31 type*3 -16 dB-36 dBu (12.3 mV)-16 dBu (123 mV)-6 dBu (389 mV) -34 dB 10k oh

27、ms 600 ohms Lines -54 dBu (1.55 mV)-34 dBu (15.5 mV)-14 dBu (155 mV) Phone jack*4 +10 dB-10 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) STEREO CH INPUT MGP16X: 13 16 MGP12X: 9 12 -34 dB 10k ohms 600 ohms Lines -54 dBu (1.55 mV)-34 dBu (15.5 mV)-14 dBu (155 mV) Phone jack*4 RCA pin jack +10 dB-10 dB

28、u (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) MONO CH INSERT IN MGP16X: 1 8 MGP12X: 1 4 10k ohms 600 ohms Lines -20 dBu (77.5 mV)0 dBu (0.775 V)+20 dBu (7.75 V)Phone jack (TRS)*5 RETURN (L, R)10k ohms 600 ohms Lines -12 dBu (195 mV)+4 dBu (1.23 V)+24 dBu (12.3 V)Phone jack*4 2TR IN (L, R)10k ohms 600 o

29、hms Lines -26 dBV (50.1 mV)-10 dBV (0.316 V)+10 dBV (3.16 V)RCA pin jack 0 dBu=0.775 Vrms, 0 dBV=1 Vrms *1 Sensitivity: The lowest level that will produce an output of +4 dB (1.23 V), or the nominal output level when the unit is set to maximum level. (All faders and level controls are at their maxim

30、um position.) *2 Combo jacks are balanced (1&Sleeve=GND, 2&Tip=HOT, 3&Ring=COLD) *3 XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) *4 Phone jacks are unbalanced. *5 Phone jacks are unbalanced. (Tip=Out, Ring=In, Sleeve=GND) Analog Output Specifi cations Output ConnectorsOutput Impedan

31、ce Appropriate Impedance Output Level Connector Specifi cations NominalMax. before Clipping STEREO OUT (L, R)75 ohms600 ohms Lines+4 dBu (1.23 V)+24 dBu (12.3 V) XLR-3-32 type*1 Phone jack*4 GROUP OUT (1 4)150 ohms10k ohms Lines+4 dBu (1.23 V)+20 dBu (7.75 V)Phone jack*2 AUX SEND (1, 2)75 ohms600 oh

32、ms Lines+4 dBu (1.23 V)+24 dBu (12.3 V)XLR-3-32 type*1 FX SEND (1, 2)150 ohms10k ohms Lines+4 dBu (1.23 V)+20 dBu (7.75 V)Phone jack*2 MONO CH INSERT OUT MGP16X: 1 8 MGP12X: 1 4 150 ohms10k ohms Lines0 dBu (0.775 V)+20 dBu (7.75 V)Phone jack*3 REC OUT (L, R)600 ohms10k ohms Lines-10 dBV (0.316 V)+10

33、 dBV (3.16 V)RCA pin jack MONITOR OUT (L, R)150 ohms10k ohms Lines+4 dBu (1.23 V)+20 dBu (7.75 V)Phone jack*2 PHONES100 ohms40 ohms Phones3 mW75 mWStereo phone jack 0 dBu=0.775 Vrms, 0 dBV=1 Vrms *1 XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) *2 Phone jacks are impedance balanced.

34、(Tip=HOT, Ring=COLD, Sleeve=GND) *3 Phone jacks are unbalanced. (Tip=Out, Ring=In, Sleeve=GND) *4 Phone jacks are balanced. (Tip=HOT, Ring=COLD, Sleeve=GND) Digital Input Specifi cations ConnectorFormat Connector Specifi cation USB INiPod, iPhone exclusiveUSB A type 5 MGP16X/MGP12X 0 dBu =0.775 Vrms

35、、0 dBV = 1 Vrms 位置、指定場合、位置。 （位置最大位置-10 dB。 ） 出力 = 150 、 出力負荷 = 10 k （TRS出力） 、600 （XLR出力） 単位 周波数特性 20 Hz 20 kHz、出力1 kHz GAIN：最小 (MONO CH、STEREO CH) +0.5/-1.0dB 全高調波歪率(THD + N)STEREO OUT +14 dBu20 Hz 20 kHz、GAIN：最小0.02% *1 CH INPUT入力換算：Rs=150 、GAIN：最大-128dBu STEREO OUT GROUP OUT STEREO/GROUP ： ： -92dB

36、u AUX SEND FX SEND AUX/FX： 全：最小 -83dBu STEREO OUT残留-102dBu (1 kHz) *2 入力間各入力間-74dB 入出力間STEREO OUT L/R、 PAN：左右回切-74dB 最大電圧 (1 kHz) *3 CH INPUT MIC to CH INSERT OUT60dB STEREO OUT84dB GROUP OUT84dB REC OUT62dB MONITOR OUT80dB PHONES OUT69dB AUX SEND (AUX2：PRE)76dB AUX SEND (AUX2：POST)86dB FX SEND86dB

37、RETURN to STEREO OUT16dB AUX SEND12dB 2TR IN to STEREO OUT28dB MONITOR OUT34dB *1 A-weighting測定。 *2 1 kHz 測定。 *3 測定時、全最大。 PAN/BAL：左右回切 電気的特性 一般仕様 対応iPod/iPhone (2011年12月現在) * iPod classic、iPod touch (第1 第4世代)、iPod nano (第2 第6世代)、iPhone 4S、iPhone 4、iPhone 3GS、 iPhone 3G、iPhone 100 Hz、12 dB/oct HIGH8

38、kHz () MID MGP16X CH1 8, 13 16: 250 Hz to 5 kHz ()MGP16X CH9 12: 2.5 kHz () MGP12X CH1 4, 9 12: 250 Hz to 5 kHz ()MGP12X CH5 8: 2.5 kHz () LOW125 Hz () 1 (、出力)同時調整 CH INPUT PEAK (赤) SIG (緑) 信号手前3 dB達PEAK点灯 LED 212 LED (PEAK, +10, +6, +3, 0, -3, -6, -10, -15, -20, -25, -30 dB) 計測：調整後調整前 電源+48 V 電源 必要

39、条件100 240 V 50/60 Hz、自動検知、IEC入力 消費電力 MGP16X：55 W (最大) MGP12X：45 W (最大) 最大外形寸法 (WHD) MGP16X：447 mm143 mm495 mm MGP12X：348 mm143 mm495 mm 質量 MGP16X：9.0 kg MGP12X：7.5 kg * iPod/iOS正常動作。対応 (http:/proaudio.yamaha.co.jp/)最新情報確認。 iPodTM, iPhoneTM iPhone、 iPod、 iPod classic、 iPod nano、 iPod touch米国他国登録Aplle

40、 Inc.商標。 総合仕様 MGP16X/MGP12X 6 入力仕様 入力端子名称PAD 入力 適合 入力 端子仕様 感度 *1 最大 MONO CH INPUT MGP16X：1 8 MGP12X：1 4 0 -60 dB 3 k 50 600 Mics -80 dBu (0.078 mV)-60 dBu (0.775 mV)-40 dBu (7.75 mV) *2 -16 dB-36 dBu (12.3 mV)-16 dBu (123 mV)+4 dBu (1.23 V) 26 dB -34 dB 600 Lines -54 dBu (1.55 mV)-34 dBu (15.5 mV)-1

41、4 dBu (155 mV) +10 dB-10 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) STEREO CH INPUT MGP16X：9 12 MGP12X：5 8 -60 dB 3 k 50 600 Mics -80 dBu (0.078 mV)-60 dBu (0.775 mV)-40 dBu (7.75 mV) XLR-3-31 *3 -16 dB-36 dBu (12.3 mV)-16 dBu (123 mV)-6 dBu (389 mV) -34 dB 10 k600 Lines -54 dBu (1.55 mV)-34 dBu (

42、15.5 mV)-14 dBu (155 mV) *4 +10 dB-10 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) STEREO CH INPUT MGP16X：13 16 MGP12X：9 12 -34 dB 10 k600 Lines -54 dBu (1.55 mV)-34 dBu (15.5 mV)-14 dBu (155 mV) *4 RCA +10 dB-10 dBu (245 mV)+10 dBu (2.45 V)+30 dBu (24.5 V) MONO CH INSERT IN MGP16X：1 8 MGP12X：1 4 10

43、 k600 Lines-20 dBu (77.5 mV)0 dBu (0.775 V)+20 dBu (7.75 V) (TRS)*5 RETURN (L, R)10 k600 Lines-12 dBu (195 mV)+4 dBu (1.23 V)+24 dBu (12.3 V)*4 2TR IN (L, R)10 k600 Lines-26 dBV (50.1 mV)-10 dBV (0.316 V)+10 dBV (3.16 V)RCA 0 dBu =0.775 Vrms、0 dBV = 1 Vrms *1 入力感度：最大設定時+4 dB (1.23 V)出力得最小(最大)。 *2 型(

44、1&S=、2&=、3&=) *3 型XLR-3-31(1=、2=、3=) *4 型 *5 型(T=、R=、S=) 出力仕様 出力端子名称出力適合 出力 端子仕様 最大 STEREO OUT (L, R)75 600 Lines+4 dBu (1.23 V)+24 dBu (12.3 V) XLR-3-32 *1 *4 GROUP OUT (1 4)150 10 k Lines+4 dBu (1.23 V)+20 dBu (7.75 V) *2 AUX SEND (1, 2)75 600 Lines+4 dBu (1.23 V)+24 dBu (12.3 V)XLR-3-32 *1 FX SEN

45、D (1, 2)150 10 k Lines+4 dBu (1.23 V)+20 dBu (7.75 V) *2 MONO CH INSERT OUT MGP16X：1 8 MGP12X：1 4 150 10 k Lines0 dBu (0.775 V)+20 dBu (7.75 V) *3 REC OUT (L, R)600 10 k Lines-10 dBV (0.316 V)+10 dBV (3.16 V)RCA MONITOR OUT (L, R)150 10 k Lines+4 dBu (1.23 V)+20 dBu (7.75 V) *2 PHONES100 40 Phones3

46、mW75 mW 0 dBu =0.775 Vrms、0 dBV = 1 Vrms *1 型XLR-3-32端子(1=、2=、3=) *2 型(T=、R=、S=) *3 型(T=、R=、S=) *4 型(T=、R=、S=) 入力仕様 端子名称端子仕様 USB INiPod, iPhone専用USB A 7 MGP16X/MGP12X JACK LIST（端子極性一覧） Input and Output JacksPolarities Confi gurations MIC/LINE, MIC, AUX SEND, STEREO OUT Pin 1: Ground Pin 2: Hot (+) P

47、in 3: Cold () XLR Jack INPUTOUTPUT * LINE (mono channels) GROUP OUT, STEREO OUT, MONITOR OUT, FX SEND Tip: Hot (+) Ring: Cold () Sleeve: Ground TRS Phone Jack Ring TipSleeve INSERT Tip: Output Ring: Input Sleeve: Ground PHONES Tip: L Ring: R Sleeve: Ground RETURN LINE (stereo channels) Tip: Hot Slee

48、ve: Ground Phone Jack SleeveTip * These jacks will also accept connection to phone plugs. If you use monaural plugs, the connection will be unbalanced. 入出力端子名端子極性端子形状 MIC/LINE, MIC, AUX SEND, STEREO OUT 1： 2：(+) 3：() XLR端子 INPUTOUTPUT * LINE () GROUP OUT, STEREO OUT, MONITOR OUT, FX SEND ：(+) ：() ： TRS端子 INSERT ：Output ：Input ： PHONES ：L ：R ： RETURN LINE () ： ： 端子 *