Yamaha-HS-50-M-Service-Manual电路原理图.pdf

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1、HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF Printed in Japan 05.12 POWERED MONITOR SPEAKER HS80M SPECIFICATIONS （総合仕様） . 3 HS50M SPECIFICATIONS （総合仕様） . 4 DIMENSIONS （寸法図）. 5 PANEL LAYOUT （） . 6 CIRCUIT BOARD LAYOUT （） . 7 HS80M DISASSEMBLY PROCEDURE （分解手順）. 8 HS50M D

2、ISASSEMBLY PROCEDURE （分解手順）. 11 CIRCUIT BOARDS （基板図） . 14 HS80M INSPECTIONS （検査） . 15 HS50M INSPECTIONS （検査） . 16 BLOCK DIAGRAM （） OVERALL CIRCUIT DIAGRAM （総回路図） PARTS LIST I CONTENTS （目次） HS80M: 200510-47250 HS50M: 200510-26250 HS80M/HS50M 011806 PA SERVICE MANUAL （ECF：無塩素系漂白）使用。 RadioFans.CN 收音机爱

3、好者资料库 HS80M/HS50M 2 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 under- stood by the user

4、s, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per- sonal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha p

5、roduct 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, certifi- cation, recognition of any applicable techni

6、cal 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. Modification

7、s 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 discharges can destroy expensive components. Discharge any static electr

8、icity 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. WARNING: CHEMICAL CONTENT NOTICE! The so

9、lder 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 entities) to cause cancer and/or birth defects o

10、r 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 vapor! If you come in con

11、tact with solder or components located inside the enclosure of this product, wash your hands before handling food. I WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. 印部品、安全維持重要部品。交換場合、 安全必指定部品使用。 WA

12、RNING: 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 coloured markings identifying

13、 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 coloured GREEN and YELLOW. The wire which is coloured BLUE must be connected to the terminal whi

14、ch 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. * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD. RadioFans.CN 收音机爱 好者资料库 HS80M/HS50M 3 I HS80M SPECIFI

15、CATIONS （総合仕様） General specifications Type . Biamp 2-way Powered speaker Crossover Frequency . 2 kHz Overall Frequency Response. 42 Hz-20 kHz (-10 dB) Dimensiones (W x H x D). 250 x 390 x 332 mm (9-13/16” x 15-3/8” x 13-1/6”) Weight . 11.3 kg Speaker Components Speaker Components . LF: 8 Cone (Magne

16、tic shielding Type) HF: 1 Dome (Magnetic shielding Type) Enclosure . Type: Bass-reflex Type Material: MDF Amp. unit Output Power. Total: 120 W (dynamic power) (LF: 75 W, 4 ohms, 1 kHz) (HF: 45 W, 8 ohms, 10 kHz) Input Sensitivity/Impedance. -10 dBu/ 10 k-ohms Input Connectors (parallel) . 1: XLR-3-3

17、1 type (balanced) 2: PHONE (balanced) Controls . LEVEL control (+4 dB/ center click) LOW CUT switch (FLAT/ 80/ 100 Hz, 12 dB/ octave) MID EQ switch (+/- 2 dB at 2 kHz) HIGH TRIM switch (+/- 2 dB at HF) ROOM CONTROL switch (0/ -2/ -4 dB under 500 Hz) Power Indicator . Power ON: White LED Power Consum

18、ption . 60 W 総合仕様 形式 . 2 周波数 . 2 kHz 再生周波数帯域 . 42 Hz20 kHz （-10 dB） 最大外形寸法 （WHD）. 250390332 mm 質量 . 11.3 kg 部 . LF：20 cm （防磁型） HF：2.5 cm （防磁型） . 方式：型 材質：MDF 部 最大出力 . 総合：120 W （） （LF：75 W、4 ohms、1 kHz） （HF：45 W、8 ohms、10 kHz） 入力感度/. -10 dBu/ 10 k-ohms 入力端子 （） . 1：XLR-3-31端子 （） 2：端子 （） . LEVEL （+4 dB/

19、 center click） LOW CUT （FLAT/ 80/ 100 Hz、12 dB/ octave） MID EQ （+/- 2 dB at 2 kHz） HIGH TRIM （+/- 2 dB at HF） ROOM CONTROL （0/-2/-4 dB under 500Hz） . 電源ON：白色LED 消費電力 . 60 W Performance graph （特性図） 10k1k10020 0 +10 RESPONSE (dB) -10 -20 -30 -40 FREQUENCY (Hz) HS80M HS80M/HS50M 4 10k1k10020 0 +10 RESP

20、ONSE (dB) -10 -20 -30 -40 FREQUENCY (Hz) I HS50M SPECIFICATIONS （総合仕様） General specifications Type . Biamp 2-way Powered speaker Crossover Frequency . 3 kHz Overall Frequency Response. 55 Hz-20 kHz (-10 dB) Dimensiones (W x H x D). 165 x 268 x 222 mm (6-1/2” x 10-9/16” x 8-3/4”) Weight . 5.8 kg Spea

21、ker Components Speaker Components . LF: 5 Cone (Magnetic shielding Type) HF: 0.75 Dome (Magnetic shielding Type) Enclosure . Type: Bass-reflex Type Material: MDF Amp. unit Output Power. Total: 70 W (dynamic power) (LF: 45 W, 4 ohms, 1 kHz) (HF: 25 W, 8 ohms, 10 kHz) Input Sensitivity/Impedance. -10

22、dBu/ 10 k-ohms Input Connectors (parallel) . 1: XLR-3-31 type (balanced) 2: PHONE (balanced) Controls . LEVEL control (+4 dB/ center click) LOW CUT switch (FLAT/ 80/ 100 Hz, 12 dB/ octave) MID EQ switch (+/- 2 dB at 2 kHz) HIGH TRIM switch (+/- 2 dB at HF) ROOM CONTROL switch (0/ -2/ -4 dB under 500

23、 Hz) Power Indicator . Power ON: White LED Power Consumption . 45 W 総合仕様 形式 . 2 周波数 . 3 kHz 再生周波数帯域 . 55 Hz20 kHz （-10 dB） 最大外形寸法 （WHD） . 165268222 mm 質量 . 5.8 kg 部 . LF：13 cm （防磁型） HF：2.0 cm （防磁型） . 方式：型 材質：MDF 部 最大出力 . 総合：70 W （） （LF：45 W、4 ohms、1 kHz） （HF：25 W、8 ohms、10 kHz） 入力端子 （） . 1：XLR-3-31端

24、子 （） 2：端子 （） . LEVEL （+4 dB/ center click） LOW CUT （FLAT/ 80/ 100 Hz、12 dB/ octave） MID EQ （+/- 2 dB at 2 kHz） HIGH TRIM （+/- 2 dB at HF） ROOM CONTROL （0/-2/-4 dB under 500Hz） . 電源ON：白色LED 消費電力 . 45 W Performance graph （特性図） HS50M HS80M/HS50M 5 I DIMENSIONS （寸法図） 250 (9-13/16)332 (13-1/16) 390 (15-3

25、/8) 165 (6-1/2)222 (8-3/4) 268 (10-9/16) HS80M HS50M Unit: mm (inch) 単位：mm （） Unit: mm (inch) 単位：mm （） HS80M/HS50M 6 I PANEL LAYOUT （） OFF INPUT LEVEL POWER ON AC IN HS50MHS80M 1 2 3 4 5 6 7 8 ROOM CONTROL HIGH TRIM +2dB +2dB 0dB 0dB -2dB -2dB 0dB -2dB -4dB MID EQ LOW CUT 2kHz 3kHz 500Hz 100Hz 80Hz

26、+2dB +2dB 0dB 0dB -2dB -2dB 0dB -2dB -4dB 2kHz 2kHz 500Hz 100Hz FLAT 80Hz ROOM CONTROL HIGH TRIM MID EQ LOW CUT FLAT MID EQ ROOM CONTROL HIGH TRIM LOW CUT +2dB 0 -2dB 0 -2dB -4dB +2dB 0 -2dB FLAT 80Hz 100Hz -10dB +4dB 1 2 MIN 9 1POWER switch 2LEVEL control 3INPUT 1, 2 connector 4MID EQ switch 5ROOM

27、CONTROL switch 6HIGH TRIM switch 7LOW CUT switch 8AC IN Connector 9Power indicator 1POWER 2LEVEL 3INPUT 1、2 端子 4MID EQ 5ROOM CONTROL 6HIGH TRIM 7LOW CUT 8AC IN端子 9Power HS80M/HS50M 7 I CIRCUIT BOARD LAYOUT （） HS80M HS50M INPUT AC INLET TRANS AMP (LF 2/4) (LF 3/4) (LF 1/4) (LF 4/4) INPUT AC INLET TRA

28、NS AMP (LF 2/4) (LF 3/4) (LF 1/4) (LF 4/4) HS80M/HS50M 8 I HS80M DISASSEMBLY PROCEDURE （分解手順） 1.Woofer (Time required: about 1 minute) 1-1Remove the six (6) screws marked 55. The woofer ring can then be removed. (Fig. 1) 1-2Remove the six (6) screws marked 40. The woofer can then be removed. (Fig. 1

29、) 2.Tweeter (Time required: about 1 minute) Remove the four (4) screws marked 20. The tweeter can then be removed. (Fig. 1) 20:Hexagonal Socket Tapping Screw 4x20 (WG341100) 6 角穴付 TP1種 40:Bind Head Tapping Screw 4x16 (WG540200) TP1種 55:Hexagonal Socket Tapping Screw 4x20 (WG341100) 6 角穴付 TP1種 Fig. 1

30、 （図 1） 3.Rear Panel Assembly (Time required: about 1 minute) Remove the ten (10) screws marked 155. The rear panel assembly can then be removed. (Fig. 2) 4.AMP Circuit Board (Time required: about 2 minutes) 4-1Remove the rear panel assembly.(See procedure 3.) 4-2Remove the five (5) screws marked 90.

31、 The AMP unit can then be removed. (Fig. 2) *At this time, be careful not to lose the spacer which also comes off. Fig. 2 （図 2） 90:Bind Head Tapping Screw-S 3x16 (WG341600) S 155:Bind Head Tapping Screw 4x16 (WG540200) TP1種 1.（所要時間：約1分） 1-155 六角孔付6本外、 外。 （図 1） 1-240 6本外、外。 （図 1） 2.（所要時間：約1分） 20 六角孔付

32、4本外、外 。 （図 1） 4.AMP（所要時間：約2分） 4-1Ass y外。 （3項参照） 4-290 5本外、AMP外。 （図 2） 、同時外 注意。 3.Ass y（所要時間：約1分） 155 10本外、Ass y外 。 （図 2） HS80M 2020 40 Woofer Ring 55 55 40 Woofer Tweeter 90 155155 Rear Panel Assembly Assy HS80M/HS50M 9 HS80M 5.INPUT Circuit Board (Time required: about 3 minutes) 5-1Remove the rear

33、panel assembly. (See procedure 3.) 5-2Remove the four (4) screws marked 110 and the screw marked 115. (Fig. 3) 5-3Remove the LEVEL knob, the hexagonal nut E and washer D. (Fig. 3, Photo. 5) 5-4Remove the hexagonal nut F on the phone type in- put connector. The INPUT assembly can then be re- moved. (

34、Photo. 5) 5-5Remove the three (3) screws marked G and remove the case PWB. (Photo. 3) The Input circuit board can then be removed. *The case PWB is not a component of the INPUT cir- cuit board. When replacing the INPUT circuit board, remove the case PWB and reuse it. 5.INPUT（所要時間：約3分） 5-1Ass y外。 （3項

35、参照） 5-2110 4本 115 1本外。 （図 3） 5-3LEVEL E 六角 D 外。 （図 3、写真 5） 5-4入力端子六角 F 外、 INPUT Ass y外。 （写真 5） 5-5G 3本外PWB外、INPUT 取出。 （写真 3） PWBINPUT構成部品 。交換時、取外使用 。 4-3IC801IC802側 （22所） 外 。 （写真 1） 4-4A 2本外、放熱板 （IC801、IC802付） 外 。 （写真 1） B 2本外、IC801IC802外。 （写真 1） 4-5C 4本外、AMP取付金具外AMP 取出。 （写真 1） A CC CC BB IC801IC801

36、 IC802IC802 AMP mounting BRACKET （AMP取付金具） AMP mounting BRACKET （AMP取付金具） AMP mounting BRACKET （AMP取付金具） AMP mounting BRACKET （AMP取付金具） AMP circuit board （AMP） AMP circuit board （AMP） SPACER （） SPACER （） HEAT SINK （放熱板） HEAT SINK （放熱板） INPUT Circuit Board （INPUT） INPUT Circuit Board （INPUT） CASE PWB

37、 （ PWB） CASE PWB （ PWB） Photo. 1 （写真 1） AMP Photo. 2 （写真 2） Input Ass y 4-3Unsolder soldered parts (22 locations) on the pat- tern side of IC801 and IC802. (Photo. 1) 4-4Remove the two (2) screws marked A and remove the heat sink with IC801 and IC802. (Photo. 1) Remove the two (2) screws marked B an

38、d remove IC801 and IC802. (Photo. 1) 4-5Remove the four (4) screws marked C, remove the AMP mounting bracket. The AMP circuit board can then be removed. (Photo. 1) Photo. 3 （写真 3） GG HS80M/HS50M 10 6.TRANS Circuit Board and Power Trans- former (Time required: about 2 minutes) 6-1Remove the rear pane

39、l assembly. (See procedure 3.) 6-2Remove the four (4) screws marked 130. The TRANS circuit board with the power transformer can then be removed. (Fig. 3) 6-3Unsolder the power transformer mounting solder (6 locations) and separate the power transformer from the TRANS circuit board. *The power transf

40、ormer is not a component of the TRANS circuit board. 7.AC INLET Circuit Board (Time required: about 2 minutes) 7-1Remove the rear panel assembly. (See procedure 3.) Unsold soldered parts (2 locations) of the power switch. 7-2Remove the two (2) screws marked 150. (Fig. 3) 7-3Unsold the soldered part

41、of the AC inlet grounding wire and remove the AC INLET circuit board. (Photo. 4) 110:Bind Head Tapping Screw-S 3x10 (WG341400) S 115:Bonding Tapping Screw-B 3x10 (WH042000) B 130:Bind Head Tapping Screw-S 4x10 (WG341300) S 150:Bind Head Screw-S 3x15 (WG341500) 小 6.TRANS/電源 （所要時間：約2分） 6-1Ass y外。 （3 項

42、参照） 6-2130 4本外、TRANS （電源 付） 外。 （図 3） 6-3電源取付 （6所） 外、TRANS 電源分離。 電源TRANS構成部品 。 7.AC INLET（所要時間：約2分） 7-1Ass y外。 （3項参照） 電源外。 7-2150 2本外。 （図 3） 7-3AC INLET線外、AC INLET 外。 （写真 4） 110 115 130 150 LEVEL Knob LEVEL Fig. 3 （図 3） HS80M Solder （） Solder （） AC Inlet （AC INLET） AC Inlet （AC INLET） AC INLET Circui

43、t Board （AC INLET ） AC INLET Circuit Board （AC INLET ） Power Switch （電源 ） Power Switch （電源 ） DD EE FF Photo. 4 （写真 4） Photo. 5 （写真 5） HS80M/HS50M 11 1.Woofer (Time required: about 1 minute) 1-1Remove the four (4) screws marked 55. The woofer ring can then be removed. (Fig. 1) 1-2Remove the four (4) screws marked 40. The woofer can then be removed. (Fig. 1) 2.Tweeter (Time required: about 1 minute) Remove the four (4) screws marked 20. The tweeter can then be removed. (Fig. 1) 20:Hexagonal Socket Tapping Screw 4x20 (WG341100) 6 角穴付 TP1種 40:Bind Head Tapping Scre