Yamaha-Stagepas150M-pa-sm(1) 维修电路原理图.pdf

SERVICE MANUALSPECIFICATIONS （総合仕様） .3PANEL LAYOUT （） .4DIMENSIONS （寸法図）.4CIRCUIT BOARD LAYOUT （）.5DISASSEMBLY PROCEDURES （分解手順）.6IC BLOCK DIAGRAM （IC図） .15CIRCUIT BOARDS （基板図） .16INSPECTIONS （検査） .27ADJUSTMENT OF AMPLIFIER （調整） .29PARTS LISTBLOCK & LEVEL DIAGRAM （&）CIRCUIT DIAGRAM （回路図）I CONTENTS （目次）PA01190020080527-65100Copyright (c) Yamaha Corporation. All rights reserved. 08.05HAMAMATSU, JAPANMixerSpeakerRadioFans.CN 收音机爱 好者资料库STAGEPAS 150M2IWARNINGComponents 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 that 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 injury, 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 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. The 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 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 disassembly and parts replacement. Recheck all work before you apply power to the unit.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING:THIS 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 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 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.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 SOEVER!Avoid prolonged, unprotected contact between solder and 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.RadioFans.CN 收音机爱 好者资料库STAGEPAS 150M3I SPECIFICATIONS 総合仕様G General SpecificationsMaximum Output Power150 W (10 %)/4 10 % THD at 1 kHz (SPEAKER) 100 W/4 1 % THD at 1 kHz (SPEAKER)Maximum Output Level112 dB (1 m)Frequency Response (Nomimal output level 1 kHz)-3 dB, 0 dB, +1 dB 20 Hz20 kHz(MUSIC/SPEECH=MUSIC) (ST SUB OUT)-3 dB, 0 dB, +1 dB 80 Hz20 kHz(MUSIC/SPEECH=SPEECH) (ST LINK OUT)-3 dB, 0 dB, +1 dB 20 Hz20 kHz, 1 W Output(MUSIC/SPEECH=MUSIC, without Speaker EQ)(SPEAKER)Total Harmonic Distortion 0.5 % 20 Hz, 1 kHz, 20 kHz +14 dBu GAIN=nominal(ST SUB OUT, ST LINK OUT)Hum & Noise(Equivalent Input Noise, Rs=150 , MIC/LINE=MIC) -112 dBu (CH1/2) -65 dBu Residual output noise (SPEAKER)Crosstalk (1 kHz) -70 dB between input channelsPower Consumption20 WWeight9.6 kg (Speaker + Powered Mixer)Stereo Input Channel Equalization15 dBHIGH : 10 kHz shelvingLOW : 100 Hz shelvingG Speaker (300S)Enclosure2 way bass-reflex type, Polypropylene, BlackCrossover Frequency4.0 kHz (LF: 12 dB/oct, HF: 12 dB/oct)Frequency Range55 Hz20 kHz (-10 dB)Speaker UnitLF : 8 (20 cm) ConeHF : 1 (2.54 cm) Compression Driver一 般仕様最大出力150 W （10 %） /4 10 % THD at 1 kHz （SPEAKER） 100 W/4 1 % THD at 1 kHz （SPEAKER）最大出力音圧112 dB （軸上 1 m）周波数特性 （出力 1 kHz）-3 dB、0 dB、+1 dB 20 Hz20 kHz（MUSICSPEECHMUSIC）（ST SUB OUT）-3 dB、0 dB、+1 dB 80 Hz20 kHz（MUSICSPEECHSPEECH）（ST LINK OUT）-3 dB、0 dB、+1 dB 20 Hz20 kHz、1 W 出力（MUSICSPEECHMUSIC、EQ除）（SPEAKER）全高調波歪率 0.5 % 20 Hz、1 kHz、20 kHz +14 dBu GAIN （ST SUB OUT、ST LINKOUT）&（入力換算、Rs=150、MIC/LINE=MIC） -112 dBu （CH12） -65 dBu 残留 （SPEAKER） （1 kHz） -70 dB 入出力間消費電力20 W質量9.6 kg （）入力特性最大可変幅 （15 dB）HIGH：10 kHz LOW ：100 Hz （300S）2-way 型、黒周波数4.0 kHz （LF：12 dB/oct、HF：12 dB/oct）再生周波数帯域55 Hz20 kHz （-10 dB）LF ：8 （20 cm） HF：1 （2.54 cm） STAGEPAS 150M4275Speaker（部） 1371202-M8x25Mixer（部） 16096.3255455.55.54505290285AC IN jackPOWER switchSPEAKER jack (for included speaker 300S only)ST LINK OUT R jackPHONES jackST SUB OUT L (MONO) / R jacksST SUB OUT controlPHONES controlChannel input jacks (CH 1, 2)Stereo channel input jacks (CH 3/4, 5/6, 7/8)MIC/LINE switchEqualizerREVERB switchREVERB controlCLICK switch (for headphones/speaker)LEVEL controlMASTER LEVEL ControlCLICK switch (for headphones)SPEECH/MUSIC switchLEVEL meterPOWER indicator1234567890ABCDEFGHIJK1234567890ABCDEFGHIJKAC IN端子POWERSPEAKER端子 （付属 （300S） 専用）ST LINK OUT R端子PHONES端子ST SUB OUT L （MONO） /R端子ST SUB OUTPHONES入力端子 （CH 1、2）入力端子 （CH3/4、5/6、7/8）MIC/LINEEQ （）REVERBREVERBCLICK （/用）LEVELMASTER LEVELCLICK （用）SPEECH/MUSICLEVELPOWERI PANEL LAYOUT （）6BAEGICF12KJ8 7DH34590I DIMENSIONS （寸法図）Unit: mm単位：mmSTAGEPAS 150M5I CIRCUIT BOARD LAYOUT （）CONTROLCONTROLINPUTPOWERSpeaker HF （HF） Front viewRight side viewNETWORKNETWORKREVERBPOWERSpeaker LF （LF） AMPAMPREVERBRear viewSP OUTSP BOX INSTAGEPAS 150M680B80B80B80BRear cabinet unit（部） Front grille assembly（Assy） 80A10080A12012010080A12010080A12010080ASpeaker LF (Woofer)（LF（） ） Front cabinet unit（部） 1.Front Grille Assembly(Time required: About 1 minute)1-1Remove the four (4) screws marked 120. The frontgrille assembly can then be removed. (Fig. 1)2.Speaker LF (Woofer)(Time required: About 2 minutes)2-1Remove the front grille assembly. (See procedure 1)2-2Remove the four (4) screws marked 100. Thespeaker LF (woofer) can then be removed. (Fig. 1)2-3Remove the wire LF (red/black) attached to the speakerLF (woofer). (Photo. 1)3.Front Cabinet Unit, Rear Cabinet Unit(Time required: About 3 minutes)3-1Remove the front grille assembly. (See procedure 1)3-2Remove the five (5) screws marked 80A and four (4)screws marked 80B. The front cabinet unit and rearcabinet un t can then be separated. (Fig. 1, 2)3-3Remove the wire LF (red/black) attached to the speakerLF (woofer). (Photo. 1)3-4Remove the wire HF (yellow/blue) attached to thespeaker HF (tweeter). (Photo. 2)*Take care not to open the front cabinet unit andrear cabinet unit too wide or the speaker LF(woofer) terminal and speaker HF (tweeter) ter-minal may be damaged.Fig. 1（図 1）1.Ass y （所要時間：約1分）1-1120 4本外、Ass y外。 （図1）2.LF （）（所要時間：約2分）2-1Ass y外。 （1項参照）2-2100 4本外、LF （） 外。 （図1）2-3LF （） 取付束線LF（赤黒） 外。 （写真1）3.部、部（所要時間：約3分）3-1Ass y外。 （1項参照）3-280A 5本 80B 4本外、部、部別。 （図1、2）3-3LF （） 取付束線LF（赤黒） 外。 （写真1）3-4HF （） 取付束線HF （黄青） 外。 （写真2） 部部開、LF （） 端子、HF （） 端子傷注意。I DISASSEMBLY PROCEDURES （分解手順）Fig. 2（図2）80A: BIND HEAD TAPPING SCREW-A 5.0 x35 NI-BL (AAX61640)A BIND100: BIND HEAD TAPPING SCREW-B 4.0 x18 NI-BL (AAX61660)B BIND120: BIND HEAD TAPPING SCREW-B 4.0 x10 NI-BL (AAX61680)B BIND80B: BIND HEAD TAPPING SCREW-A 5.0 x35 NI-BL (AAX61640)A BINDSTAGEPAS 150M713 x 4Network assembly（Assy） Network holder C（固定金具C） Network holder D（固定金具D） Rear cabinet unit（部） NETWORKN40 x 4Wire LF (Red)（束線LF（赤） ） Speaker LF (Woofer)（LF（） ） Wire LF (Black)（束線LF（黒） ） Wire HF (Blue)（束線HF（青） ） Wire HF (Yellow)（束線HF（黄） ） Speaker HF (Tweeter)（HF（） ） Photo 2（写真 2）Photo 1（写真 1）4.Speaker HF (Tweeter)(Time required: About 4 minutes)4-1Remove the front grille assembly. (See procedure 1)4-2Separate the front cabinet unit and rear cabinet unit.(See procedure 3)4-3Remove the two (2) screws marked 70. The speakerHF (tweeter) can then be removed from the front cabi-net unit. (Fig. 3)5.Network Assembly, NETWORK Circuit Board(Time required: About 7 minutes)5-1Remove the front grille assembly. (See procedure 1)5-2Separate the front cabinet unit and rear cabinet unit.(See procedure 3)5-3Remove the four (4) screws marked 13. The networkassembly can then be removed from the rear cabinetunit. (Fig. 4)5-4Remove the four (4) screws marked N40. The NET-WORK circuit board and the network holders C and Dcan then be separated. (Fig. 4)Fig. 3（図 3）Fig. 4（図4）4.HF （）（所要時間：約4分）4-1Ass y外。 （1項参照）4-2部、部別。 （3項参照）4- 370 2本外、部HF （） 外。 （図3）5.Ass y 、NETWORK（所要時間：約7分）5-1Ass y外。 （1項参照）5-2部、部別。 （3項参照）5-313 4本外、部Ass y外。 （図4）5-4N40 4本外、NETWORK固定金具C、D別。 （図4）70Front cabinet unit（部） Speaker HF (Tweeter)（HF（） ） 70:BIND HEAD TAPPING SCREW-B 4.0 x20 NI-BL (AAX61630)B BIND13:BIND HEAD TAPPING SCREW-B 3.0 x10 NI-BL (AAX61710)B BINDN40: PAN HEAD TAPPING SCREW-B 3.0 x8 CR3 (AAX61700) B PANSTAGEPAS 150M8Mount bracket assembly（Assy） 16 x 3140aSP BOX IN6.Mixer Assembly(Time required: About 1 minute)6-1Rotate the two (2) straight slots on the fastener headswith a coin driver or minus driver until each straight slotis in alinment with the OPEN position.The mixer assembly can then be removed. (Fig. 5)7.SP BOX IN Circuit Board(Time required: About 2 minutes)7-1Remove the mixer assembly. (See procedure 6)7-2Remove the three (3) screws marked 16. The mountbracket assembly can then be removed together withthe SP BOX IN circuit board. (Fig. 6)7-3Remove the hexagonal nut marked 140a. The SP BOXIN circuit board can then be removed from the mountbracket assembly. (Fig. 6)Fig.6（図 6）Fig. 5（図 5）7.SP BOX IN （所要時間：約2分）7-1Ass y外。 （6項参照）7-216 3本外、SP BOX IN共Ass y外。 （図6）7-3140a 六角1個外、Ass ySP BOX IN外。 （図6）6.Ass y （所要時間：約1分）6-1、形溝2箇所OPEN位置回、Ass y外。 （図5）Fastner head（） Mixer assembly（Assy） Rear case side（側） Panel side（側） Coin driver or minus driver（） 16:BIND HEAD TAPPING SCREW-B 4.0 x10 NI-BL (AAX61680)B BIND140a: HEXAGONAL NUT M15.0 BL (-) 六角STAGEPAS 150M9Fig. 7（図 7）8.Mixer Assembly (Panel Assembly, Rear CaseAssembly) (Time required: About 3 minutes)8-1Remove the mixer assembly. (See procedure 6)8-2Remove the eight (8) screws marked 340, and sepa-rate the panel assembly and rear case assembly fromthe mixer assembly. (Fig. 7) (See the cautions below:)*When removing the panel assembly, take carenot to damage the three connector assemblies(connector assembly A, B, C). (Fig. 7)*When assembling the panel assembly, connectthe three connector assemblies (connector as-sembly A, B, C) in alphabetical order (A - B -C). (Fig. 7)8.Ass y （側、側）（所要時間：約3分）8-1Ass y外。 （6項参照）8-2340 8本外、Ass y側側別。 （図7）（下記注意事項参照）側取外接続時注意 側外時、3本束線 （束線A、B、C） 注意。 （図7） 側取付際、3本束線 （束線A、B、C） ABC順接続。 （図7）340 x 8Panel assembly（Assy、側） Connector assembly A（束線A） Connector assembly B（束線B） Connector assembly C（束線C） Rear case assembly（Assy、側） CONTROL circuit board - CN24（CONTROLCN24） POWER circuit board - CN9（POWERCN9） POWER circuit board - CN801（POWERCN801） 370360340: HEXAGONAL TAPPING SCREW-B 3x8 NI-BL (WP927800)B 六角STAGEPAS 150M10Fig. 8（図 8）Disassembly of Panel Assembly (Mixer Assembly)*Before removing the following parts (in procedure 9 toprocedure 13), remove the mixer assembly (see pro-cedure 6), rear case assembly (see procedure 8).9.INPUT Circuit Board(Time required: About 6 minutes)9-1Remove the twelve (12) hexagonal nuts marked 190a,twelve (12) flat washers marked 190b and five (5) screwsmarked 200 from the panel printing side. (Fig. 8)9-2Remove the INPUT circuit board from the connectorsCN21 and CN26 of the CONTROL circuit board.(Fig. 8)*The two (2) push buttons marked 170A and two(2) push spacers marked 180 are not parts ofthe INPUT circuit board. When replacing the IN-PUT circuit board, be sure to remove these partsand attach them to the new INPUT circuit board.(Fig. 9)側 （Ass y） 分解 以下各部品 （9項13項） 取外前、Assy （6項参照） 、側 （8項参照） 外。9.INPUT （所要時間：約6分）9-1印刷面 190a 六角12個、 190b 12個、 200 5本外。 （図8）9-2CONTROLCN21、CN26IN-PUT外。 （図8）170A 2個 180 2個、INPUT構成部品。INPUT交換際必取外、新INPUT取付。 （図9）190a: HEXAGONAL NUT M11.0 (-) 六角190b: FLAT WASHER M9.2 (-) 200:BIND HEAD TAPPING SCREW-B 3.0 x10 NI-BL (AAX61710)B BINDPanel assembly（Assy） 200 x 5CN21190a x 12190b x 12INPUTCONTROLCN26CN25CN22REVERBFig. 9（図9）170A Push button x 2（） 180 Push spacer x 2（） INPUTSTAGEPAS 150M1110.REVERB Circuit Board(Time required: About 4 minutes)10-1Remove the REVERB circuit board from the connec-tors CN27 and CN31 of the CONTROL circuit board.(Fig. 10)Fig. 10（図10）10.REVERB （所要時間：約4分）10-1CONTROLCN27CN31、REVERB外。 （図10）CN27CN31CN28CN32Panel assembly（Assy） to CONTROL circuit board - CN31（CONTROLCN31） to CONTROL circuit board - CN27（CONTROLCN27） CONTROLINPUTREVERB220aPanel assembly（Assy） SP OUTFig. 11（図11）220a: HEXAGONAL NUT M15.0 BL (-) 六角11.SP OUT （所要時間：約4分）11-1印刷面 220a 六角1個外、SPOUT外。 （図11）11.SP OUT Circuit Board(Time required: About 4 minutes)11-1Remove the hexagonal nut marked 220a from thepanel printing side. The SP OUT circuit board can thenbe removed. (Fig. 11)STAGEPAS 150M1212.CONROL Circuit Board(Time required: About 10 minutes)12-1Remove the INPUT circuit board. (See procedure 9)12-2Remove the REVERB circuit board. (See procedure 10)12-3Remove the five (5) volume knobs (white) marked 130and the volume knob (red) marked 140 from the panelprinting side. (Fig. 12)12-4Remove the five (5) screws marked 160. The CON-TROL circuit board can then be removed. (Fig. 12)*The following parts are not parts of the CON-TROL circuit board. When replacing the CON-TROL circuit board, be sure to remove theseparts and attach them to the new CONTROL cir-cuit board. (Fig. 13) 90:Push buttons3 pcs. 100:Volume knob (S) (white)1 pc. 110:Volume knobs (S) (green) 10 pcs. 120:Volume knob (S) (blue)2 pcs. 170B: Push buttons2 pcs.Fig. 12（図12）12.CONTROL （所要時間：約10分）12-1INPUT外。 （9項参照）12-2REVERB外。 （10項参照）12-3印刷面 130 VR （白） 5個、 140 VR （赤） 1個外。 （図12）12-4160 5 本外、CONTROL外。 （図12） 以下各部品、CONTROL構成部品。CONTROL交換際必取外、新CONTROL取付。 （図13） 90 ：3個 100 ：VR （S）（白）1個 110 ：VR （S）（緑）10個 120 ：VR （S）（青）2個 170B ：2個160 x 5CONTROLPanel assembly（Assy） 140 Volume knob (Red)（VR（赤） ） 130 Volume knob (White) x 5（VR（白） ） Fig. 13（図13）90 Push button x 3（） 170B Push button x 2（） 120 Volume knob (S) (Blue) x 2（VR （S）（青） ） 110 Volume knob (S) (Green) x 10（VR （S）（緑） ） 100 Vo