Yamaha-Stagepas500-pa-sm(1) 维修电路原理图.pdf

《Yamaha-Stagepas500-pa-sm(1) 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-Stagepas500-pa-sm(1) 维修电路原理图.pdf（70页珍藏版）》请在收音机爱好者资料库上搜索。

1、STAGEPAS 5001SERVICE MANUALPA011840 CONTENTS（目次）SPECIFICATIONS（総合仕様） . 3PANEL LAYOUT（） . 4DIMENSIONS（寸法図）. 4CIRCUIT BOARD LAYOUT（） . 5DISASSEMBLY PROCEDURE（分解手順） . 6LSI PIN DESCRIPTION（LSI端子機能表） . 16IC BLOCK DIAGRAM（IC図）. 18CIRCUIT BOARDS（基板図）. 19INSPECTIONS（検査） . 27ADJUSTMENT OF AMPLIFIER UNIT（調整）.

2、 30FACTORY SETTING（出荷時設定）. 30TROUBLE SHOOTING（）. 31PARTS LISTBLOCK DIAGRAM（）CIRCUIT DIAGRAM（回路図）HAMAMATSU, JAPAN200612-155400Copyright (c) Yamaha Corporation. All rights reserved. PDF 07.01SpeakerSpeakerMixerRadioFans.CN 收音机爱 好者资料库STAGEPAS 5002WARNINGComponents having special characteristics are mar

3、ked and must be replaced with parts having specification equal to thoseoriginally installed.IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basicservice procedures inherent to the industry, and more specif

4、ically 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 components and failure of the product to

5、perform as specified. For these reasons, we adviseall Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or theappointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authoriz

6、ation 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, and servicedepartments of Yamaha are continual

7、ly striving to improve Yamaha products. Modifications are, therefore, inevitable and changes inspecification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING :Static discharges can destroy

8、expensive components. Discharge any static electricity your body may have accumulatedby 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 replacement. Recheck all work before you apply power to the

9、 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 applicable)components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other enti

10、ties) to causecancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes

11、 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.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANT. The wires in this mains lead

12、are coloured in accordance with the following code:GREEN-AND-YELLOWBLUEBROWN: EARTH: NEUTRAL: LIVEAs 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-a

13、nd-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 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

14、BROWN must be connected to the terminal which is marked with the letter L or coloured 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STAGEPAS 5003SPECIFICATIONS General SpecificationsMaximum Output Power250 W+250 W (10 %)/4 10 % THD at 1 kHz (SPEAKER L/R)200 W+200 W/4 1 % THD at 1 kHz (SPEAK

15、ER L/R)Maximum Output Level116 dB (1 m)Frequency Response (Nominal output level 1 kHz)-3 dB, 0 dB, +1 dB 20 Hz20 kHz (MUSIC/SPEECH=MUSIC) (MONITOR OUT)-3 dB, 0 dB, +1 dB 80 Hz20 kHz (MUSIC/SPEECH=SPEECH) (REC OUT)-3 dB, 0 dB, +1 dB 20 Hz20 kHz, 1 W Output (MUSIC/SPEECH=MUSIC, without Speaker EQ) (SP

16、EAKERS L/R)Total Harmonic Distortion0.5 % 20 Hz, 1 kHz, 20 kHz, +14 dBu GAIN=nominal(MONITOR OUT, REC OUT)Hum & Noise (Equivalent Input Noise, Rs=150 , MIC/LINE=MIC)-106 dBu (CH1/2)-112 dBu (CH3/4)-65 dBu Residual output noise (SPEAKERS L/R)Crosstalk (1 kHz)-70 dB between input channelsPhantom Volta

17、ge+15 V (CH14)LIMIT/COMP switchON=Comp, OFF=Limit (CH1/2)Power Consumption65 WWeight24 kg (Speaker x 2 + Powered Mixer)Stereo Input Channel Equalization15 dBHIGH10 kHz shelvingLOW100 Hz shelvingAccessoriesPower Cable, Speaker Cable, Owners ManualOptionMicrophone Speakers (500S)Enclosure2 way bass-re

18、flex type, Polypropylene, BlackCrossover Frequency4.0 kHz (LF: 12 dB/oct, HF: 12 dB/oct)Frequency Range55 Hz20 kHz (-10 dB)Speaker UnitLF: 10 (25 cm) ConeHF: 1 (2.54 cm) Compression Driver 一般仕様最大出力250W+250W(10%)/4 10% THD at 1kHz (SPEAKERS L/R)200W+200W/4 1% THD at 1kHz (SPEAKERS L/R)最大出力音圧116dB (軸上

19、1m)周波数特性(出力 1kHz)-3dB, 0dB, +1dB 20Hz20kHz (MUSIC/SPEECH=MUSIC) (MONITOR OUT)-3dB, 0dB, +1dB 80Hz20kHz (MUSIC/SPEECH=SPEECH) (REC OUT)-3dB, 0dB, +1dB 20Hz20kHz, 1W出力(MUSIC/SPEECH=MUSIC, EQ除)(SPEAKERS L/R)全高調波歪率0.5% 20Hz, 1kHz, 20kHz +14dBu GAIN=(MONITOR OUT, REC OUT)&(入力換算, Rs=150, MIC/LINE=MIC)-106

20、dBu (CH1/2)-112dBu (CH3/4)-65dBu 残留(SPEAKERS L/R) (1 kHz)-70 dB 入出力間電源+15V (CH1-4)LIMIT/COMP ON=, OFF=(CH1/2)消費電力65 W質量24 kg (2台)入力特性最大可変幅(15 dB)HIGH: 10kHzLOW: 100Hz付属品電源、 、 取扱説明書、 保証書 (500S)2-way型, , 黒周波数4.0kHz (LF:12dB/oct, HF:12dB/oct)再生周波数帯域55Hz20kHz (-10dB)LF: 10 (25 cm) HF: 1 (2.54 cm) 総合仕様ST

21、AGEPAS 5004PANEL LAYOUT（）DIMENSIONS（寸法図）Unit: mm（単位）Speaker（部）Mixer（部）q AC IN jack (AC IN端子)w POWER switch (POWER)e SPEAKERS L/R jacks (for included speakers (500S) only) (SPEAKERS L/R端子(付属(500S)専用)r REC OUT L/R jacks (REC OUT L/R端子)t MONITOR OUT L(MONO)/R jacks (MONITOR OUT L(MONO)/R端子)y Channel in

22、put jacks (CH 1 to 4) (入力端子 (CH 14)u Stereo channel input jacks (CH 5/6, 7/8, 9/10) (入力端子(CH 5/6、 7/8、 9/10)i MIC/LINE switches (MIC/LINE)o PHANTOM switch (PHANTOM切替)!0 LIMIT/COMP switches (LIMIT/COMP)!1 Equalizer HIGH/LOW (EQ()!2 REVERB switches (REVERB)!3 REVERB control (REVERB)!4 LEVEL controls (

23、LEVEL)!5 MASTER LEVEL control (MASTER LEVEL)!6 SPEECH/MUSIC switch (SPEECH/MUSIC)!7 MONITOR OUT control (MONITOR OUT)!8 LEVEL meter (LEVEL)!9 POWER indicator (POWER)9/107/85/64321MASTER9/107/85/64321MASTER2-M8 x 25152544.5330120342298175111.5STAGEPAS 5005CIRCUIT BOARD LAYOUT（）NETWORKNETWORKPOWERDSPJ

24、ACKAMPCONTROL2 (2/3)CONTROL3 (3/3)CONTROL1 (1/3)Speaker LF （LF ）Speaker HF （HF ）Front viewRight side viewPOWERDSPJACKAMPCONTROL2 (2/3)CONTROL3 (3/3)CONTROL1 (1/3)Rear view6STAGEPAS 500DISASSEMBLY PROCEDURE1. Assy（所要時間：約 1 分）1-1 1904本外、 Assy外。 （図 1）2.LF （）（所要時間：約2分）2-1 Assy 外。 （1 項参照）2-2170A 8 本外、 LF

25、（）外。 （図 1）2-3LF（）取付束線 LF（赤黒）外。 （写真 1）3.部、部（所要時間：約 2 分）3-1150A14本外、部、 部別。 （図1図2）3-2LF（）取付束線 LF（赤黒）外。 （写真 1）3-3HF（）取付束線 HF（黄青）外。 （写真 2）部部開、LF（）端子、HF（）端子傷注意。170A: Bind Head Tapping Screw-P（P BIND）5.0X18 BL CR3 (WJ559700)190:Bind Head Tapping Screw-P（P BIND）4.0X12 NI-BL (WJ329500)Fig.1 ( 図 1)Front grill

26、e assembly(Assy)190190190170A170A170A190170ASpeaker LF (Woofer)(LF ()Front cabinet unit(部)150A150A150A150A150A150A150A150ARear cabinet unit(部)150A: Bind Head Tapping Screw-A（A BIND）5.0X45 NI-BL (WJ329900)Fig.2 ( 図 2)1.Front Grille Assembly(Time required: About 1 minute)1-1Remove the four (4) screws

27、marked 190. 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 eight (8) screws marked 170A. Thespeaker LF (woofer) can then be removed. (Fig. 1)2-3Remove the wire LF (red/blac

28、k) attached to thespeaker LF (woofer). (Photo 1)3.Front Cabinet Unit, Rear Cabinet Unit(Time required: About 2 minutes)3-1Remove the fourteen (14) screws marked 150A.The front cabinet unit and rear cabinet unit can thenbe separated. (Fig. 1, Fig. 2)3-2Remove the wire LF (red/black) attached to thesp

29、eaker LF (woofer). (Photo 1)3-3Remove 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)terminal may be damaged.（分解手順）7STAGEPAS 500140:Bind Hea

30、d Tapping Screw-B（B BIND）4.0X20 NI-BL (WJ329100)Photo 3 ( 写真 3)Photo 1 ( 写真 1)Photo 2 ( 写真 2)4.HF （）（所要時間：約3分）4-1部、部別。 （3 項参照）4-21402本外、部HF （） 外。 （写真3）5. Assy、NETWORK （所要時間：約 4 分）5-1部、部別。 （3 項参照）5-2 Assy SP 束線外。（写真 4）5-3304本外、 部 Assy 外。 （写真 4）5-4N404本外、NETWORK外。 （写真 4-1）N40:Pan Head Tapping Screw-B（

31、B PAN）3.0X8 CR3 (WJ329000)4.Speaker HF (Tweeter)(Time required: About 3 minutes)4-1Separate the front cabinet unit and rear cabinet unit.(See procedure 3)4-2Remove the two (2) screws marked 140. Thespeaker HF (tweeter) can then be removed fromthe front cabinet unit. (Photo 3)5.Network Assembly, NETW

32、ORK CircuitBoard (Time required: About 4 minutes)5-1Separate the front cabinet unit and rear cabinet unit.(See procedure 3)5-2Remove the SP connector assembly from thenetwork assembly. (Photo 4)5-3Remove the four (4) screws marked 30. Thenetwork assembly can then be removed from therear cabinet unit

33、. (Photo 4)5-4Remove the four (4) screws marked N40. TheNETWORK circuit board can then be removed.(Photo 4-1)Wire 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 4 ( 写真 4)30:Bind Head Tapping Screw-B（B

34、BIND）3.0X10 NI-BL (WJ329200)Photo 4-1 ( 写真 4-1)140Front cabinet unit(部)Speaker HF (Tweeter)(HF ()N40N40NETWORK Network Assembly （Ass y）3030Network assembly(Assy)Rear cabinet unit(部)SP connector assembly(SP束線)8STAGEPAS 50050A:Bind Head Tapping Screw-P（P BIND）4.0X12 NI-BL (WJ329500)6. Assy、Assy（所要時間：約

35、1 分）6-1、形溝 2 箇所“OPEN” 位置回、 Assy Assy 外。 （写真 5）7.JACK （所要時間：約 1 分）7-1AssyAssy外。 （6 項参照）7-250A 3 本外、JACK 共 Assy 外。 （写真 6）7-3JACK SP 束線外。 （写真 6-1）7-4210a特殊六角1個外、 Assy JACK 外。（写真 6-1）6.Mixer Assembly, Cover Mold Assembly(Time required: About 1 minute)6-1Rotate the two (2) straight slots on the fastenerh

36、eads with a coin driver or minus driver until eachstraight slot is in alignment with the “OPEN” position.The mixer assembly or cover mold assembly canthen be removed. (Photo 5)7.JACK Circuit Board(Time required: About 1 minute)7-1Remove the mixer assembly or cover moldassembly. (See procedure 6)7-2R

37、emove the three (3) screws marked 50A. Themount bracket assembly can then be removedtogether with the JACK circuit board. (Photo 6)7-3Remove the SP connector assembly from the JACKcircuit board. (Photo 6-1)7-4Remove the hexagonal nut marked 210a. TheJACK circuit board can then be removed from themou

38、nt bracket assembly. (Photo 6-1)Cover mold assembly(Assy)Fastner head()Fastner head()Mixer assembly(Assy)Fastner head()Fastner head()Fastner head()Coin driver or minus driver()Photo 5 ( 写真 5)Photo 6 ( 写真 6)Mount bracket assembly(Assy)50A210a: Hexagonal Nut（特殊六角）M15.0 BLPhoto 6-1 ( 写真 6-1)Mount brack

39、et assembly(Assy)210aJACKSP connector assembly(SP束線)9STAGEPAS 5008.（所要時間：約 2 分）8-1 Assy 外。 （6 項参照）8-24008本外、 Assy外。 （写真 7）9. 2（所要時間：約 2 分）9-1 Assy 外。 （6 項参照）9-2外。 （8 項参照）9-33804本外、 2外。 （写真 8）10.POWER （所要時間：約 3 分）10-1 Assy 外。 （6 項参照）10-2外。 （8 項参照）10-3 2 外。 （9 項参照）10-4290 6 本外、POWER 外。 （写真 9）8.Rear Ca

40、se(Time required: About 2 minutes)8-1Remove the mixer assembly. (See procedure 6)8-2Remove the eight (8) screws marked 400. The rearcase can then be removed from the mixer assembly.(Photo 7)9.Shield Bracket 2(Time required: About 2 minutes)9-1Remove the mixer assembly. (See procedure 6)9-2Remove the

41、 rear case. (See procedure 8)9-3Remove the four (4) screws marked 380. Theshield bracket 2 can then be removed. (Photo 8)10.POWER Circuit Board(Time required: About 3 minutes)10-1Remove the mixer assembly. (See procedure 6)10-2Remove the rear case. (See procedure 8)10-3Remove the shield bracket 2. (

42、See procedure 9)10-4Remove the six (6) screws marked 290. The POWERcircuit board can then be removed. (Photo 9)Rear case ()400400 Mixer Assembly （Ass y）Shield bracket 2 (2)380380Photo 7 ( 写真 7)Photo 8 ( 写真 8)400: Hexagonal Tapping Screw-B（六角 B ）3.0X8 NI-BL (AAX62010)380: Bind Head Tapping Screw-B（B

43、BIND）3.0X8 CR3 (AAX61980)POWER290290Photo 9 ( 写真 9)290: Pan Head Tapping Screw-B（B PAN）3.0X8 CR3 (WJ329000)10STAGEPAS 50011.DSP （所要時間：約 2 分）11-1 Assy 外。 （6 項参照）11-2外。 （8 項参照）11-3 2 外。 （9 項参照）11-4CONTROL2 (2/3)CN27CN33 DSP 外。 （写真 10）11.DSP Circuit Board(Time required: About 2 minutes)11-1Remove the m

44、ixer assembly. (See procedure 6)11-2Remove the rear case. (See procedure 8)11-3Remove the shield bracket 2. (See procedure 9)11-4Remove the DSP circuit board from the connectorsCN27 and CN33 of the CONTROL2 (2/3) circuitboard. (Photo 10)Photo 10 ( 写真 10)Panel assembly(Assy)240aA12.AMP Circuit Board,

45、 CONTROL3 (3/3)Circuit Board (Time required: About 4 minutes)12-1Remove the mixer assembly. (See procedure 6)12-2Remove the rear case. (See procedure 8)12-3Remove the shield bracket 2. (See procedure 9)12-4Remove the two (2) hexagonal nuts marked 240aAfrom the panel printing side. (Photo 11)12-5Remo

46、ve the two (2) screws marked 270. Thephone bracket can then be removed together withthe AMP circuit board and CONTROL3 (3/3) circuitboard. (Photo 12)12-6Remove the two (2) screws marked 260A. TheAMP circuit board and CONTROL3 (3/3) circuitboard can then be removed from the phone bracket.(Photo 13)12

47、-7Remove the screw marked 260B. The AMP circuitboard A can then be removed from the CONTROL3(3/3) circuit board. (Photo 13)12-8Remove the screw marked 260C. The AMP circuitboard B can then be removed from the CONTROL3(3/3) circuit board. (Photo 13)CONTROL3 (3/3)AMP270270Phone bracket ()Photo 11 ( 写真

48、 11)240aA: Hexagonal Nut（特殊六角）M15.0 BLPhoto 12 ( 写真 12)270: Bind Head Tapping Screw-B（B BIND）3.0X8 CR3 (AAX61980)12.AMP 、CONTROL3 (3/3)（所要時間：約4 分）12-1 Assy 外。 （6 項参照）12-2外。 （8 項参照）12-3 2 外。 （9 項参照）12-4印刷面240aA特殊六角2個外。 （写真 11）12-5 2 7 0 2 本外、A M P 、CONTROL3 (3/3)共外。 （写真 12）12-6260A2本外、 AMP CONTROL3 (

49、3/3)外。 （写真 13）12-7260B1本外、 CONTROL3 (3/3) AMP A 外。 （写真 13）12-8260C1本外、 CONTROL3 (3/3) AMP B 外。 （写真 13）CN32CN33CN27CN28DSPCONTROL2 (2/3)11STAGEPAS 50013. 1 Assy（所要時間：約 4 分）13-1 Assy 外。 （6 項参照）13-2外。 （8 項参照）13-3P30 2 本外、 2 本外。 （写真 14写真 15写真 16）13-4印刷面170B 6 本、 240aB特殊六角 2 個外。 （写真 17）13-5 2 外。 （9 項参照）1

50、3.Shield Bracket 1 Assembly(Time required: About 4 minutes)13-1Remove the mixer assembly. (See procedure 6)13-2Remove the rear case. (See procedure 8)13-3Remove the two (2) each screws marked P30. Thetwo (2) handles can then be removed. (Photo 14,Photo15, Photo16)13-4Remove the six (6) screws marked