Yamaha-STAGEPAS-150-M-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL SPECIFICATIONS （総合仕様） .3 PANEL LAYOUT （） .4 DIMENSIONS （寸法図）.4 CIRCUIT BOARD LAYOUT （）.5 DISASSEMBLY PROCEDURES （分解手順）.6 IC BLOCK DIAGRAM （IC図） .15 CIRCUIT BOARDS （基板図） .16 INSPECTIONS （検査） .27 ADJUSTMENT OF AMPLIFIER （調整） .29 PARTS LIST BLOCK & LEVEL DIAGRAM （&） CIRCUIT DIAGRAM （回路図）

2、 I CONTENTS （目次） PA011900 20080527-65100 Copyright (c) Yamaha Corporation. All rights reserved. 08.05 HAMAMATSU, JAPAN Mixer Speaker STAGEPAS 150M 2 IWARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed.

3、 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 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 more specifically Yamaha Products, are already known and understood by

4、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, destruc- tion of expensive components and failure of the product to perform as specified. For these reasons, we advise all Y

5、amaha 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 constitute authorization, certification, recognition of any applicable te

6、chnical 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 service departments of Yamaha are continually striving to improve Yamaha products. Modificat

7、ions 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 Service Division. WARNING:Static discharges can destroy expensive components. Discharge any static el

8、ectricity 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 you apply power to the unit. IMPORTANT NOTICE FOR THE UNITED KINGD

9、OM 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:NEUTRAL BROWN:LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the

10、 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 letter E or by the safety earth symbol or colored GREEN or colored GREEN and YELLOW. The wire which is colou

11、red 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 can

12、cer, 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 to solder/flux va

13、por! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. STAGEPAS 150M 3 I SPECIFICATIONS 総合仕様 G General Specifications Maximum Output Power 150 W (10 %)/4 10 % THD at 1 kHz (SPEAKER) 100 W/4 1 % THD at 1 kHz (SPEAKER)

14、Maximum Output Level 112 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) (S

15、PEAKER) 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 channels Power Consumption 20 W Weig

16、ht 9.6 kg (Speaker + Powered Mixer) Stereo Input Channel Equalization 15 dB HIGH : 10 kHz shelving LOW : 100 Hz shelving G Speaker (300S) 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 Uni

17、t LF : 8 (20 cm) Cone HF : 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

18、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

19、（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 150M 4 275 Speaker （部） 137 120 2-M8x25 Mixer （部） 160 96.3 255 455.5 5.5 450 5 290 285 AC IN jack POWER switch SPEAKER jack (for included speaker 300S only) ST LINK OUT R jack P

20、HONES jack ST SUB OUT L (MONO) / R jacks ST SUB OUT control PHONES control Channel input jacks (CH 1, 2) Stereo channel input jacks (CH 3/4, 5/6, 7/8) MIC/LINE switch Equalizer REVERB switch REVERB control CLICK switch (for headphones/speaker) LEVEL control MASTER LEVEL Control CLICK switch (for hea

21、dphones) SPEECH/MUSIC switch LEVEL meter POWER indicator 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J K 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J K AC IN端子 POWER SPEAKER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 OUT PHONES 入力端子 （CH 1、2） 入力端子 （CH3/4、5/6、7/8） MIC/LINE EQ （） RE

22、VERB REVERB CLICK （/用） LEVEL MASTER LEVEL CLICK （用） SPEECH/MUSIC LEVEL POWER I PANEL LAYOUT （） 6 BAE G I C F 12KJ8 7D H 3 4 5 9 0 I DIMENSIONS （寸法図） Unit: mm 単位：mm STAGEPAS 150M 5 I CIRCUIT BOARD LAYOUT （） CONTROL CONTROL INPUT POWER Speaker HF （HF） Front viewRight side view NETWORKNETWORKREVERB POW

23、ER Speaker LF （LF） AMPAMP REVERB Rear view SP OUT SP BOX IN STAGEPAS 150M 6 80B 80B80B 80B Rear cabinet unit （部） Front grille assembly （Assy） 80A 100 80A 120 120 100 80A 120 100 80A 120 100 80A Speaker LF (Woofer) （LF（） ） Front cabinet unit （部） 1.Front Grille Assembly (Time required: About 1 minute)

24、 1-1Remove the four (4) screws marked 120. The front grille 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. The speaker LF (woofer) can then be removed. (Fig

25、. 1) 2-3Remove the wire LF (red/black) attached to the speaker LF (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 ca

26、binet unit and rear cabinet un t can then be separated. (Fig. 1, 2) 3-3Remove the wire LF (red/black) attached to the speaker LF (woofer). (Photo. 1) 3-4Remove the wire HF (yellow/blue) attached to the speaker HF (tweeter). (Photo. 2) *Take care not to open the front cabinet unit and rear cabinet un

27、it 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、

28、 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 BIND 100: BIND HEAD TAPPING SCREW-B 4.0 x18 NI-BL (AAX61660) B BIND 120: BIND HEAD TAPPING SCR

29、EW-B 4.0 x10 NI-BL (AAX61680) B BIND 80B: BIND HEAD TAPPING SCREW-A 5.0 x35 NI-BL (AAX61640) A BIND STAGEPAS 150M 7 13 x 4 Network assembly （Assy） Network holder C （固定金具C） Network holder D （固定金具D） Rear cabinet unit （部） NETWORK N40 x 4 Wire LF (Red) （束線LF（赤） ） Speaker LF (Woofer) （LF（） ） Wire LF (Bla

30、ck) （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 p

31、rocedure 3) 4-3Remove the two (2) screws marked 70. The speaker HF (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 uni

32、t and rear cabinet unit. (See procedure 3) 5-3Remove the four (4) screws marked 13. The network assembly can then be removed from the rear cabinet unit. (Fig. 4) 5-4Remove the four (4) screws marked N40. The NET- WORK circuit board and the network holders C and D can then be separated. (Fig. 4) Fig.

33、 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） 70 Front cabinet unit （部） Speaker HF (Tweeter) （HF（） ） 70:BIND HEAD TAPPING SCR

34、EW-B 4.0 x20 NI-BL (AAX61630) B BIND 13:BIND HEAD TAPPING SCREW-B 3.0 x10 NI-BL (AAX61710) B BIND N40: PAN HEAD TAPPING SCREW-B 3.0 x8 CR3 (AAX61700) B PAN STAGEPAS 150M 8 Mount bracket assembly （Assy） 16 x 3 140a SP BOX IN 6.Mixer Assembly (Time required: About 1 minute) 6-1Rotate the two (2) strai

35、ght slots on the fastener heads with a coin driver or minus driver until each straight slot is 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

36、 three (3) screws marked 16. The mount bracket assembly can then be removed together with the SP BOX IN circuit board. (Fig. 6) 7-3Remove the hexagonal nut marked 140a. The SP BOX IN circuit board can then be removed from the mount bracket assembly. (Fig. 6) Fig.6（図 6） Fig. 5（図 5） 7.SP BOX IN （所要時間：

37、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 (AAX6168

38、0) B BIND 140a: HEXAGONAL NUT M15.0 BL (-) 六角 STAGEPAS 150M 9 Fig. 7（図 7） 8.Mixer Assembly (Panel Assembly, Rear Case Assembly) (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

39、assembly from the mixer assembly. (Fig. 7) (See the cautions below:) *When removing the panel assembly, take care not to damage the three connector assemblies (connector assembly A, B, C). (Fig. 7) *When assembling the panel assembly, connect the three connector assemblies (connector as- sembly A, B

40、, 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 8 Panel assembly （Assy、側） Connector assembly A （束線A） Connector assembly B （束線B） Connector asse

41、mbly C （束線C） Rear case assembly （Assy、側） CONTROL circuit board - CN24 （CONTROLCN24） POWER circuit board - CN9 （POWERCN9） POWER circuit board - CN801 （POWERCN801） 370 360 340: HEXAGONAL TAPPING SCREW-B 3x8 NI-BL (WP927800) B 六角 STAGEPAS 150M 10 Fig. 8（図 8） Disassembly of Panel Assembly (Mixer Assembl

42、y) *Before removing the following parts (in procedure 9 to procedure 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

43、190b and five (5) screws marked 200 from the panel printing side. (Fig. 8) 9-2Remove the INPUT circuit board from the connectors CN21 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 of the INPUT circuit board. Wh

44、en replacing the IN- PUT circuit board, be sure to remove these parts and 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、Ass y （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

45、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 BIND Panel assembly （Assy） 200 x 5 CN21 190a x 12 190b x 12 INPUT CONTROL CN26 CN25 CN22 REVERB Fig. 9（図9） 170A Push button x 2 （） 180 Push spacer x

46、 2 （） INPUT STAGEPAS 150M 11 10.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） CN27 CN31 CN28 CN32 Panel assemb

47、ly （Assy） to CONTROL circuit board - CN31 （CONTROLCN31） to CONTROL circuit board - CN27 （CONTROLCN27） CONTROL INPUT REVERB 220a Panel assembly （Assy） SP OUT Fig. 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、SP OUT外。 （図11） 11.SP OUT Circuit Board (Time required: About 4 minutes) 11-1Remove the hexagonal nut marked 220a from the panel printing side. The SP OUT circuit board can then be removed. (Fig. 11) STAGEPAS 150M 12 12.CONROL Circuit Board (Time required: About 10 minutes) 12-1Remove the INPUT circuit board. (See procedure 9) 12-2Remove th