Yamaha-MS101lll-spk-sm 电路图 维修手册.pdf

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1、MS10133333 1 SERVICE MANUAL PA 011809 CONTENTS（目次） SPECIFICATIONS（総合仕様） . 3 PANEL LAYOUT（） . 4 DIMENSIONS（寸法図）. 4 CIRCUIT BOARD LAYOUT（） . 5 BLOCK DIAGRAM（） . 5 DISASSEMBLY PROCEDURE（分解手順） . 6 IC BLOCK DIAGRAM（IC図）. 9 CIRCUIT BOARDS（基板図）. 10 INSPECTIONS（検査） . 11 FACTORY SETTING（出荷時設定）. 12 PARTS LIST

2、 OVERALL CIRCUIT DIAGRAM（総回路図） Copyright (c) Yamaha Corporation. All rights reserved. PDF 05.12 HAMAMATSU, JAPAN 200511-12600 RadioFans.CN 收音机爱 好者资料库 MS10133333 2 WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those original

3、ly 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 more specifically Yamaha Products, are already known and understood by the users, and h

4、ave 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 perform as specified. For these reasons, we advise all Yamaha product own

5、ers 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 technical capabilit

6、ies, 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 Yamaha are continually striving to improve Yamaha products. Modifications are, therefor

7、e, 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 electricity your body

8、 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 solder used in th

9、e 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 or other reprodu

10、ctive 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 contact with sold

11、er 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 IMPORTANT. The wires in this mains lead are coloured in accordance with the following code: BLUE : NEUTRAL BROWN: LIVE As the colo

12、urs of the wires in the mains lead of this apparatus may not correspond with the coloured makings identifying the terminals in your plug proceed as follows: 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 colour

13、ed BROWN must be connected to the terminal which is marked with the letter L or coloured RED. Making sure that neither core is connected to the earth terminal of the three pin plug. 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 MS10133333 3 SPECIFICATIONS GENERAL SPECIFICATIONS Type. Bass Ref

14、lex Powered Speaker Frequency Range . 75 Hz 18 kHz (LOW and HIGH controls at center) Max. SPL. 97 dB SPL (10 W, 1 m on axis) Dimensions (W x H x D) . 147 x 214 x 192 mm (5.8 x 8.4 x 7.6 in) Weight . 2.5 kg (5 lb 8 oz) SPEAKER SECTION Components. 10 cm (4 in), Cone x 1 Sensitivity. 87 dB SPL (1 W, 1

15、m on axis) Nominal Impedance. 4 AMP. SECTION Output Power . 10 W at 1 kHz, THD = 0.5 %, RL = 4 Frequency Response. 30 Hz 20 kHz Input Sensitivity. MIC: 45 dB / 2 k / Phone Jack /Impedance . LINE 1: 10 dB / 10 k / RCA Pin Jack /Connectors. LINE 2: 10 dB / 10 k / Phone Jack Hum & Noise. 60 dB *(VOLUME

16、: min, fc = 12.7 kHz, 6 dB / oct LPF) Controls. VOLUME LOW: 15 dB +7 dB at 75 Hz HIGH: 13 dB +8 dB at 10 kHz POWER: “STANDBY/ON” Power Consumption. 30 W * 0 dB = 0.775 Vrms 総合仕様 形式 . 型 再生周波数帯域. 75 Hz 18 kHz (LOW HIGH ： ) 最大出力音圧 . 97 dB SPL (10 W,1 m on axis) 最大外形寸法(W x H x D) . 147 x 214 x 192 mm 質量

17、 . 2.5 kg 色調 . .黒 部 . 10 cm, Cone x 1 出力音圧. 87 dB SPL (1 W,1 m on axis) 公称 . 4 部 定格出力. 10 W 1 kHz, THD = 0.5 %, RL = 4 周波数帯域 . 30 Hz 20 kHz 入力感度端子. MIC: 45 dB/2 k/ LINE 1: 10 dB/10 k/Pin LINE 2: 10 dB/10 k/ . 60 dB (VOLUME ： 最小) . VOLUME LOW: 15 dB +7 dB 75 Hz HIGH: 13 dB +8 dB 10 kHz POWER: “STANDB

18、Y/ON ” 消費電力. 30 W 総合仕様 RadioFans.CN 收音机爱 好者资料库 MS10133333 4 199 (7.8 ) 2-M5 STANDBY/ONLOW -10+10 HIGH -10+10 VOLUME MONITOR SPEAKER MS1013 MIC INPUT MINMAX W : 147 (5.8 )D : 192 (7.6 ) 60 (2.3 ) H : 214 (8.4 ) STANDBY/ONLOW -10+10 HIGH -10+10 VOLUME MONITOR SPEAKER MS1013 MIC INPUT MINMAX INPUT LINE

19、 1LINE 2 LINE OUT qwert y u i PANEL LAYOUT（） DIMENSIONS（寸法図） Unit: mm (inch) （単位） Front Panel（） Rear Panel（） q STANDBY/ON switch/indicator w LOW control e HIGH control r VOLUME control t MIC INPUT jack y LINE 1 INPUT jack u LINE 2 INPUT jack i LINE OUT jack q 電源（STANDBY/ON ）/ w LOW e HIGH r VOLUME t

20、 MIC INPUT y LINE 1 INPUT u LINE 2 INPUT i LINE OUT MS10133333 5 Speaker （） MA2/3 MA2/3 MA3/3MA1/3 MA3/3 MA1/3 Power transformer （） CIRCUIT BOARD LAYOUT（） Top view Right side view BLOCK DIAGRAM（） MIC INPUT LINE 1 LINE 2 Speaker 4 AC cord MA1/3 MA2/3 MA3/3 HIGH OP AMP MIXPOWER AMP LOW VOLUME REGULATO

21、R +9V Power transformer STANDBY/ON JK101 JK103 LINE OUT JK104 JK102 3 + + 422 7 8 9 9 +9V +9V VR101 IC101(9P) IC101 (9P) Mute IC102 (9P) (2P) 5 5 9 +9V 5 7813 2 4 3 5 VR102 D105 SW101 LD101 VR103 IC102 (9P)IC103 (14P) (2P) 9 +9V +9V 5 2 L N 23 4 T101 SecondaryPrimary 13IC104 (3P) CN1 (1P) CN2 (1P) (

22、2P) CN106 (S) CN105 (S) CN104 (S) (3P) CN103 (S) (2P) CN102 (S) (3P) CN101 (S) CN107 (2P) INPUT Q102 (BTL) RED BLACK Q103 MUTE MuteQ101 F 1 (S): Soldered Mute MS10133333 6 Speaker () Wire (red) (束線 (赤) Wire (black) (束線 (黒) Fig.1 （図1） DISASSEMBLY PROCEDURE Fig.2 （図2） Photo 1 （写真1） STANDBY/ONLOW -10+1

23、0 HIGH -10+10 VOLUME MONITOR SPEAKER MS1013 MIC INPUT MINMAX INPUT LINE 1LINE 2 LINE OUT Grille assembly (Assy) Speaker () Speaker baffle () AA CC B 1.Speaker Baffle (Time required: About 1 minute) 1-1Remove the grille assembly. 1-2Remove the four (4) screws marked A. (Fig.1) 1-3Remove the two (2) s

24、crews marked B, then the speaker baffle can be removed. (Fig.2) 1-4Remove the wire (red/black) installed to the speaker. (Photo 1) 2.Rear Assembly (Time required: About 2 minutes) 2-1Remove the grille assembly. 2-2Remove the speaker baffle. (See procedure 1) 2-3Remove the four (4) screws marked C, t

25、hen the rear assembly can be removed. (Fig.2) 1.（所要時間 ： 約1分） 1-1Assy外。 1-2A4本外。（図1） 1-3B2本外、 外 。（図2） 1-4取付束線 （赤/黒） 外 。（写真1） 2.Assy（所要時間 ： 約2分） 2-1Assy外。 2-2外。（1項参照） 2-3C4本外、 Assy外。（図2） （分解手順） MS10133333 7 Speaker () Speaker baffle () D 3.Speaker (Time required: About 2 minutes) 3-1Remove the grille

26、assembly. 3-2Remove the speaker baffle. (See procedure 1) 3-3Remove the four (4) screws marked D, then the speaker can be removed. (Fig.3) 4.MA1/3 Circuit Board (Time required: About 3 minutes) 4-1Remove the grille assembly. 4-2Remove the speaker baffle. (See procedure 1) 4-3Remove the rear assembly

27、. (See procedure 2) 4-4Remove the two (2) screws marked E. (Fig.4) 4-5Remove the screw marked F and two (2) screws marked G, then remove the MA1/3 circuit board from the rear panel. (Fig.4) *1The MA1/3 circuit board is not available separately as a replacement part. To replace the circuit board, rem

28、ove the MA1/3 circuit board from the MA circuit board (WG533000) and install it. *2The following parts are not parts of the MA circuit board. When replacing the MA1/3 circuit board, be sure to remove these parts and attach them to the new MA1/3 circuit board. (Fig.4) STANDBY/ON knob LOW knob HIGH kn

29、ob VOLUME knob Cushion Fig.3 （図3） 3.（所要時間 ： 約2分） 3-1Assy外。 3-2外。（1項参照） 3-3D4本外、 外。 （図3） 4.MA1/3（所要時間 ： 約3分） 4-1Assy外。 4-2外。（1項参照） 4-3Assy外。（2項参照） 4-4E2本外。（図4） 4-5F1本G2本外、 MA1/3外。（図4） 1 MA1/3単体、 部品 。 交換場合、 MA (WG533000) MA1/3取出使用。 2 以下各部品、 MA構成部品 。 MA1/3交換際、 必 取外、 新MA1/3取付 。（図4） STANDBY/ON LOW HIGH V

30、OLUME 材 MS10133333 8 5.MA2/3 Circuit Board (Time required: About 2 minutes) 5-1Remove the grille assembly. 5-2Remove the speaker baffle. (See procedure 1) 5-3Remove the rear assembly. (See procedure 2) 5-4Remove the screw marked H, two (2) hexagonal nuts marked I and two (2) washers, then the MA 2/3

31、 circuit board can be removed. (Fig.4) 6.MA3/3 Circuit Board, Power Transformer (Time required: About 2 minutes) 6-1Remove the grille assembly. 6-2Remove the speaker baffle. (See procedure 1) 6-3Remove the rear assembly. (See procedure 2) 6-4Remove the two (2) screws marked J, then the power transfo

32、rmer can be removed together with the MA3/3 circuit board. (Fig.4) 6-5Remove the solder on the pattern side on the power transformer terminal attached to the MA3/3 circuit board. The power transformer can then be removed. (Photo 2, Photo 3) 7.AC Cord (Time required: About 2 minutes) 7-1Remove the gr

33、ille assembly. 7-2Remove the speaker baffle. (See procedure 1) 7-3Remove the rear assembly. (See procedure 2) 7-4Remove the AC cord soldered to the MA3/3 circuit board. (Photo 3) 7-5Remove the cord strain relief. The AC cord can then be removed. (Fig.4) Fig.4 （図4） Cushion (材) STANDBY/ON knob (STANDB

34、Y/ON) LOW knob (LOW) HIGH knob (HIGH) VOLUME knob (VOLUME) Rear panel () Power transformer () Cord strain relief ()AC cord (AC) Washer () Rear Assembly（Assy） MA3/3 MA2/3 MA1/3 J I H F E G 5.MA2/3（所要時間 ： 約2分） 5-1Assy外。 5-2外。（1項参照） 5-3Assy外。（2項参照） 5-4H1本I特殊六角2個 2枚外、 MA2/3外。（図4） 6.MA3/3、 （所要時間 ： 約2分） 6

35、-1Assy外。 6-2外。（1項参照） 6-3Assy外。（2項参照） 6-4J2本外、 MA3/3共 外。（図4） 6-5MA3/3取付 端子側半田外、 外。（写真2、 写真3） 7.AC（所要時間 ： 約2分） 7-1Assy外。 7-2外。（1項参照） 7-3Assy外。（2項参照） 7-4MA3/3半田付AC外 。（写真3） 7-5外、 AC外。 （図4） MS10133333 9 IC BLOCK DIAGRAM Soldering (半田付) MA3/3 Soldering (半田付) AC cord (AC) Power transformer () MA3/3 Photo 2

36、 （写真2） Photo 3 （写真3） PC4570HA-A (X7405A00) Dual Operational Amplifier MA1/3: IC101, 102 1 A 23456789 +V-IN-V +INOUT AAA +V-IN +INOUT BBB - + B - + LA4490N (X7406A00) Power Amplifier MA1/3: IC103 AMP1 IN (+) N.CVcc BS2 BS1 GND AMP2 OUT AMP1 OUT N.C N.C NF1 AMP2 IN () AMP1 OUT AMP2 IN (+) Non-invertin

37、g amplifier AMP1 - + 103 8 7 6 5 14 13 4 1 2 Inverting amplifier AMP2 - + Protection circuit 11 9 12 （IC図） MS10133333 10 MIC INPUT VOLUMEHIGHLOWSTANDBY/ON LINE OUT LINE 2LINE 1 INPUT to AC cord to Speaker CIRCUIT BOARDS MA1/3, MA2/3, MA3/3: 6474-20 Component side（部品側） MA3/3 Circuit Board MA2/3 Circu

38、it Board MA1/3 Circuit Board Component side（部品側） Component side（部品側） Note: See parts list for details of circuit board component parts. 注:部品詳細参照。 * The circuit board MA1/3, 2/3, or 3/3 is not available separately as a replacement part. Remove the necessary circuit board from the MA circuit board (WG

39、533000) for installment. MA1/3, 2/3, 3/3各単体。 MA(WG533000)必要 取出使用。 （基板図） 11 MA10133333 INSPECTIONS 1.Test Conditions（試験条件） Measuring Voltage（測定電圧）:AC 100 V 50/60 Hz (J) AC 120 V 60 Hz (U) AC 230 V 50 Hz (A, B, H) Load（負荷）:4 Input（入力）:1 KHz VOLUME（）:MAX. Tone control VR（ VR）:HIGH = Center LOW = Center

40、 USE MEASUREMENT FILTER（）:DIN-Audio AC POWER（電源）:100 V 1 V 50 Hz (J) 120 V 1 V 60 Hz (U) 230 V 2 V 50 Hz (A, B, H) NOTE: This model is BTL connection, dont connect the minus side terminal of a speaker to the ground. （本機 BTL 接続側端子接続。 ） 2.Electric Characteristic（電気特性） No. 1 2 3 4 5 ITEM （項目） SP Termin

41、al Voltage （中点電位） OUTPUT POWER & T. H. D. （最大出力時歪率） INPUT SENSITIVITY （入力感度） FREQUENCY RESPONSE （周波数特性） NOISE LEVEL (With DIN Audio) （信号雑音 (DIN Audio使用)） INPUT CONDITIONS （入力条件） No INPUT Signal （無信号） INPUT=MIC INPUT VR=Max. MIC (Rs=150 )=55 dBu LINE 1=20 dBu LINE 2=20 dBu LINE 1 or 2=30 dBu 1 KHz LI

42、NE 1 or 2=30 dBu 75 Hz LOW LINE 1 or 2=30 dBu 10 KHz HIGH MIC INPUT=600 VR=Max. HIGH, LOW=Center （入力600 終端） OUTPUT CONDITIONS （出力条件） SP+, SP Terminal Voltage （端子間電圧） SP OUT=18.2 dBu （出力=18.2 dBu時歪率） SP OUT LINE OUT LINE OUT LINE OUT SP OUT=Reference (0 dBu) （SP OUT基準(0 dBu)） LOW VR=Center （ = ） VR M

43、ax. (Reference=Center) （変化量） VR Min. (Reference=Center) （変化量） HIGH VR=Center （ = ） VR Max. (Reference=Center) （変化量） VR Min. (Reference=Center) （変化量） SP OUT LINE OUT NOMINAL （標準値） 60 mV 0.4 % LIMIT （限界値） 300 mV 0.5 % 10 dBu2 dB 20 dBu2 dB 20 dBu2 dB 20 dBu2 dB 4.5 dBu1.5 dB 7 dBu2 dB 15 dBu3 dB 1.5 d

44、Bu1.0 dB 7.5 dBu2 dB 13 dBu3 dB 40 dBu 60dBu （検査） MS10133333 12 NOTE: 0 dBu=0.775 V 3.Actual use Abnormal sound such as a touch of a voice coil or fluttering sound should not be generated when sine wave from 50 Hz to 20 KHz and music signals are inputted. (Abnormal sound should not be generated when 65 mV of 50 Hz to 20 KHz sweep sine wave is inputted to LINE 2 jack). The power amplifier output should be below clipping level. Moreover, when each knob is turned, volume and