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)
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