Yamaha-STAGEPAS-500-C-Service-Manual电路原理图.pdf

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1、STAGEPAS 500 1 SERVICE MANUAL PA 011840 CONTENTS（目次） SPECIFICATIONS（総合仕様） . 3 PANEL LAYOUT（） . 4 DIMENSIONS（寸法図）. 4 CIRCUIT BOARD LAYOUT（） . 5 DISASSEMBLY PROCEDURE（分解手順） . 6 LSI PIN DESCRIPTION（LSI端子機能表）. 16 IC BLOCK DIAGRAM（IC図）. 18 CIRCUIT BOARDS（基板図）. 19 INSPECTIONS（検査） . 27 ADJUSTMENT OF AMPLIF

2、IER UNIT （調整）. 30 FACTORY SETTING（出荷時設定）. 30 TROUBLE SHOOTING（）. 31 PARTS LIST BLOCK DIAGRAM（） CIRCUIT DIAGRAM（回路図） HAMAMATSU, JAPAN 200612-155400 Copyright (c) Yamaha Corporation. All rights reserved. PDF 07.01 SpeakerSpeakerMixer STAGEPAS 500 2 WARNING Components having special characteristics are

3、 marked and must be replaced with parts having specification 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 inherent to the industry, and mor

4、e 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 components and failure of the

5、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 individual or firm does not const

6、itute 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, and service departments of Yam

7、aha 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 Division. WARNING :Static dis

8、charges 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 replacement. Recheck all work before

9、you apply power to the 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

10、 (and possibly other entities) to cause cancer 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

11、 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. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUST BE EARTHED IMPORT

12、ANT. The wires in this mains lead are coloured in accordance with the following code: GREEN-AND-YELLOW BLUE BROWN : EARTH : NEUTRAL : 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 f

13、ollows: 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 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

14、 coloured BLACK. The wire which is coloured 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。 STAGEPAS 500 3 SPECIFICATIONS General Specifications Maximum Output Power 250 W+250 W (10 %)/4 10 % THD at 1 kHz (SPEAKER L/R) 200 W+200

15、 W/4 1 % THD at 1 kHz (SPEAKER L/R) Maximum Output Level 116 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/SPE

16、ECH=MUSIC, without Speaker EQ) (SPEAKERS L/R) Total Harmonic Distortion 0.5 % 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)

17、 -70 dB between input channels Phantom Voltage +15 V (CH14) LIMIT/COMP switch ON=Comp, OFF=Limit (CH1/2) Power Consumption 65 W Weight 24 kg (Speaker x 2 + Powered Mixer) Stereo Input Channel Equalization 15 dB HIGH10 kHz shelving LOW100 Hz shelving Accessories Power Cable, Speaker Cable, Owners Man

18、ual Option Microphone Speakers (500S) Enclosure 2 way bass-reflex type, Polypropylene, Black Crossover Frequency 4.0 kHz (LF: 12 dB/oct, HF: 12 dB/oct) Frequency Range 55 Hz20 kHz (-10 dB) Speaker Unit LF: 10 (25 cm) Cone HF: 1 (2.54 cm) Compression Driver 一般仕様 最大出力 250W+250W(10%)/4 10% THD at 1kHz

19、(SPEAKERS L/R) 200W+200W/4 1% THD at 1kHz (SPEAKERS L/R) 最大出力音圧 116dB (軸上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

20、, 1kHz, 20kHz +14dBu GAIN= (MONITOR OUT, REC OUT) &(入力換算, Rs=150, MIC/LINE=MIC) -106dBu (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: 10kHz LOW: 100Hz 付属品 電源、 、 取扱説明書、 保証書 (500S) 2-way型,

21、 , 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 STAGEPAS 500 4 PANEL 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

22、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 input 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

23、/COMP switches (LIMIT/COMP) !1 Equalizer HIGH/LOW (EQ() !2 REVERB switches (REVERB) !3 REVERB control (REVERB) !4 LEVEL controls (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)

24、 9/107/85/64321MASTER 9/107/85/64321MASTER 2-M8 x 25 152 544.5 330 120 342298 175 111.5 STAGEPAS 500 5 CIRCUIT BOARD LAYOUT（） NETWORK NETWORK POWER DSP JACK AMP CONTROL2 (2/3) CONTROL3 (3/3) CONTROL1 (1/3) Speaker LF （LF ） Speaker HF （HF ） Front viewRight side view POWER DSP JACK AMP CONTROL2 (2/3)

25、CONTROL3 (3/3) CONTROL1 (1/3) Rear view 6 STAGEPAS 500 DISASSEMBLY PROCEDURE 1. 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（ ）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（）

26、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 grille assembly (Assy) 190 190 190 170A 170A 170A 190 170A Speaker LF (Woofer) (LF () Front cabinet unit (部

27、) 150A 150A 150A 150A 150A 150A 150A 150A Rear 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 marked 190. The front grille assembly can then be removed. (Fig. 1) 2.Spe

28、aker LF (Woofer) (Time required: About 2 minutes) 2-1Remove the front grille assembly. (See procedure 1) 2-2Remove the eight (8) screws marked 170A. The speaker LF (woofer) can then be removed. (Fig. 1) 2-3Remove the wire LF (red/black) attached to the speaker LF (woofer). (Photo 1) 3.Front Cabinet

29、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 then be separated. (Fig. 1, Fig. 2) 3-2Remove the wire LF (red/black) attached to the speaker LF (woofer). (Photo 1) 3-3Remove the wire HF (yellow

30、/blue) attached to the speaker HF (tweeter). (Photo 2) *Take care not to open the front cabinet unit and rear cabinet unit too wide or the speaker LF (woofer) terminal and speaker HF (tweeter) terminal may be damaged. （分解手順） 7 STAGEPAS 500 140:Bind Head Tapping Screw-B（B BIND） 4.0X20 NI-BL (WJ329100

31、) 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（B PAN） 3.0X8 CR3 (WJ329000) 4.S

32、peaker 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. The speaker HF (tweeter) can then be removed from the front cabinet unit. (Photo 3) 5.Network Assembly, NETWORK Circuit Board (Tim

33、e required: About 4 minutes) 5-1Separate the front cabinet unit and rear cabinet unit. (See procedure 3) 5-2Remove the SP connector assembly from the network assembly. (Photo 4) 5-3Remove the four (4) screws marked 30. The network assembly can then be removed from the rear cabinet unit. (Photo 4) 5-

34、4Remove the four (4) screws marked N40. The NETWORK 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 BIN

35、D） 3.0X10 NI-BL (WJ329200) Photo 4-1 ( 写真 4-1) 140 Front cabinet unit (部) Speaker HF (Tweeter) (HF () N40 N40 NETWORK Network Assembly （Ass y） 30 30 Network assembly (Assy) Rear cabinet unit (部) SP connector assembly (SP束線) 8 STAGEPAS 500 50A:Bind Head Tapping Screw-P（P BIND） 4.0X12 NI-BL (WJ329500)

36、 6. Assy、Assy （所要時間：約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 (

37、2) straight slots on the fastener heads with a coin driver or minus driver until each straight slot is in alignment with the “OPEN” position. The mixer assembly or cover mold assembly can then be removed. (Photo 5) 7.JACK Circuit Board (Time required: About 1 minute) 7-1Remove the mixer assembly or

38、cover mold assembly. (See procedure 6) 7-2Remove the three (3) screws marked 50A. The mount bracket assembly can then be removed together with the JACK circuit board. (Photo 6) 7-3Remove the SP connector assembly from the JACK circuit board. (Photo 6-1) 7-4Remove the hexagonal nut marked 210a. The J

39、ACK circuit board can then be removed from the mount 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 (

40、Assy) 50A 210a: Hexagonal Nut（特殊六角）M15.0 BL Photo 6-1 ( 写真 6-1) Mount bracket assembly (Assy) 210a JACK SP connector assembly (SP束線) 9 STAGEPAS 500 8.（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

41、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 Case (Time required: About 2 minutes) 8-1Remove the mixer assembly. (See procedure 6) 8-2Remove the eight (8) screws marked 400. The rear case can then be removed from the mixer assembly. (Photo 7) 9.Shie

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

43、e mixer assembly. (See procedure 6) 10-2Remove the rear case. (See procedure 8) 10-3Remove the shield bracket 2. (See procedure 9) 10-4Remove the six (6) screws marked 290. The POWER circuit board can then be removed. (Photo 9) Rear case ()400 400 Mixer Assembly （Ass y） Shield bracket 2 (2) 380 380

44、Photo 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 BIND） 3.0X8 CR3 (AAX61980) POWER 290 290 Photo 9 ( 写真 9) 290: Pan Head Tapping Screw-B（B PAN）3.0X8 CR3 (WJ329000) 10 STAGEPAS 500 11.DSP （所要時間：約 2 分） 11-1 Assy 外。 （6 項参照） 11-

45、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 mixer 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 boa

46、rd from the connectors CN27 and CN33 of the CONTROL2 (2/3) circuit board. (Photo 10) Photo 10 ( 写真 10) Panel assembly (Assy) 240aA 12.AMP Circuit Board, CONTROL3 (3/3) Circuit Board (Time required: About 4 minutes) 12-1Remove the mixer assembly. (See procedure 6) 12-2Remove the rear case. (See proce

47、dure 8) 12-3Remove the shield bracket 2. (See procedure 9) 12-4Remove the two (2) hexagonal nuts marked 240aA from the panel printing side. (Photo 11) 12-5Remove the two (2) screws marked 270. The phone bracket can then be removed together with the AMP circuit board and CONTROL3 (3/3) circuit board.

48、 (Photo 12) 12-6Remove the two (2) screws marked 260A. The AMP circuit board and CONTROL3 (3/3) circuit board can then be removed from the phone bracket. (Photo 13) 12-7Remove the screw marked 260B. The AMP circuit board A can then be removed from the CONTROL3 (3/3) circuit board. (Photo 13) 12-8Remove the screw marked 260C. The AMP circuit board B can then be removed from the CONTROL3 (3/3) ci