Yamaha-DXS12-sub-sm 维修电路原理图.pdf

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1、HAMAMATSU, JAPANDXS12: 201202-92400DXS15: 201202-102900PA012042SERVICE MANUALCopyright (c) Yamaha Corporation. All rights reserved. PDF 12.03SPECIFICATIONS（総合仕様） . 3PANEL LAYOUT（） . 4CIRCUIT BOARD LAYOUT（） . 5DIMENSIONS（寸法図） . 7DISASSEMBLY PROCEDURE（分解手順） . 8LSI PIN DESCRIPTION（LSI 端子機能表） . 18CIRCUI

2、T BOARDS（基板図） . 19TEST PROGRAM（） . 27INSPECTIONS（検査） . 37UPDATING（） . 46PARTS LISTBLOCK DIAGRAM（）LEVEL DIAGRAM（）CIRCUIT DIAGRAM（回路図） CONTENTS（目次）DXS12DXS15RadioFans.CN 收音机爱 好者资料库DXS12/DXS152 WARNINGComponents having special characteristics are marked and must be replaced with parts having specifi ca

3、tion equal to thoseoriginally installed.IMPORTANT NOTICEThis 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

4、stood 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 product to perform as specified. For these reasons, we advi

5、se 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 constitute authorization certification, recognition of any appli

6、cable 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 Yamaha are continually striving to improve Yamaha products. Mod

7、ifications 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 stat

8、ic 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 you apply power to the unit.WARNING: This product contains c

9、hemicals known to the State of California to cause cancer, 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

10、inhale 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 KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHED IMPO

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

12、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 c

13、oloured 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 Music U.K. Ltd. (3 wires) 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3DXS12/DXS15 SPECIFICATIONS（総合仕様）Genera

14、lDXS12DXS15System TypePowered Subwoofer, Band-pass TypeFrequency Range (-10dB)47Hz 160Hz45Hz 160HzCoverage AngleCrossover TypeCrossover FrequencyMeasured Maximum SPL (peak) IEC noise1m131dB SPL132dB SPLTransducerDXS12DXS15LFDiameter12 Cone15 ConeVoice coil2.52.5MagnetFerriteHFDiaphragmTypeMagnetEncl

15、osureDXS12DXS15Material, Finish, ColorWood, Paint, BlackFloor Monitor AngleDimensions (WxHxD, with rubber feet)397563594 mm(15-5/8 x 22-1/8 x 23-3/8)478618624 mm(18-7/8 x 24-3/8 x 24-1/2)Net Weight33.0kg (72.8lbs)38.0kg (83.8lbs)HandlesMetal (Side x 2)Pole Socket35mm (Top)Rigging pointsOptional Acce

16、ssory (U-bracket)Amplifi erDXS12DXS15Amplifi er TypeClass-DPower Rating *1Dynamic950WContinuous600WCoolingFan cooling, 4 speedsAD/DA24bit 48kHz samplingSignal Processing48bit (Accumulator: 76bit)HPF/LPF80, 100, 120Hz 24dB/oct LPFDSP presetD-XSUB: BOOST, XTENDED-LF, OFFProtectionSpeakerClip limiting,

17、 Integral Power Protection, DC-faultAmplifi erThermal, Output over currentPower supplyThermal, Output over voltage, Output over currentConnectorsInputINPUT: XLR3-31 x 2OutputTHRU: XLR3-32 x 2 (Parallel with INPUT)Input ImpedanceINPUT110kINPUT2, 3Input Sensitivity (LEVEL: Maximum)INPUT1+1dBuINPUT2, 3

18、Input Sensitivity (LEVEL: Center)INPUT1+11dBuINPUT2, 3Maximum Input LevelINPUT1+24dBuINPUT2, 3ControlsLEVEL, POLARITY, LPF, D-XSUB, FRONT LED DISABLE, POWERIdle Power Consumption35W1/8 Power Consumption120WPower Requirements100V 240V, 50Hz/60Hz0dBu is referenced to 0.775Vrms.*1 Power rating (120V, 2

19、5C). This is total value of individual output power. Included Accessories AC power cord Owners manual 付属品 電源 取扱説明書DXS12/DXS154 PANEL LAYOUT（）? Rear panel（）q INPUT jacksw THRU jackse LEVEL controlr LIMIT indicatort SIGNAL indicatory PROTECTION indicatoru POWER indicatori FRONT LED DISABLE switcho POL

20、ARITY switch!0 D-XSUB switch/indicator!1 LPF switch!2 AC IN socket!3 Power switchq INPUT 端子w THRU 端子e LEVEL r LIMIT t SIGNAL y PROTECTION u POWER i FRONT LED DISABLE o POLARITY !0 D-XSUB !1 LPF !2 AC IN 端子!3 電源5DXS12/DXS15 CIRCUIT BOARD LAYOUT（）? (正面)? (右側面)? (背面)? (正面)? (右側面)? (背面)?（ （） ）?（ Ass y）?

21、（ Ass y）?（ （） ）?DXS12/DXS156?（Ass y）?（DC ）?7DXS12/DXS15 DIMENSIONS（寸法図）478618624397563594DXS12DXS15Unit（単位）: mmUnit（単位）: mm8DXS12/DXS15 DISASSEMBLY PROCEDURE（分解手順）A. Disassembly of DXS12/DXS15A-1. Metal Grille Assembly (Time required: About 1 minute)A-1-1 Remove the eight (8) screws marked 130. The

22、metal grille assembly can then be removed. (Fig. A-1) * When installing the metal grille assembly, fi rst tighten the four (4) priority screws as shown in Fig. A-1.?（優先）?（優先）?（ Ass y） ? (図、DXS12。)A-2. LED Panel Assembly, LED Circuit Board (Time required: About 2 minutes)A-2-1 Remove the metal grille

23、 assembly. (See procedure A-1.)A-2-2 Remove the two (2) screws marked 60A. The LED panel assembly can then be removed. (Fig. A-2)A-2-3 Remove the two (2) screws marked 30. The LED circuit board can then be removed from the LED panel sub assembly. (Fig. A-3) * When installing the LED panel assembly,

24、check the direction. (Fig. A-2)A-3. Port Board Assembly (Time required: About 3 minutes)A-3-1 Remove the metal grille assembly. (See procedure A-1.)A-3-2 Remove the LED panel assembly. (See procedure A-2-2.)A-3-3 Remove the twelve (12) screws marked 19. The port board assembly can then be removed. (

25、Fig. A-4)A. DXS12/DXS15 分解A-1. Assy（所要時間：約 1 分）A-1-1 130 8 本外、 Assy 外。 （図 A-1） Assy 取付、図示優先 4 本先締。 （図 A-1）Fig. A-1 （図A-1）A-2. LED Assy、LED （所要時間：約 2 分）A-2-1 Assy 外。 （A-1 項参照）A-2-2 60A 2 本外、LED Assy 外。 （図 A-2）A-2-3 30 2 本外、LED SUB Assy LED 外。 （図 A-3） LED Assy 取付、上下方向確認。 （図 A-2）A-3. 板 Assy（所要時間：約 3 分）

26、A-3-1 Assy 外。 （A-1 項参照）A-3-2 LED Assy 外。 （A-2-2 項参照）A-3-3 19 12 本外、板 Assy 外。 （図 A-4）9DXS12/DXS151919PORT BOARD ASSEMBLY（板 Ass y） This figure shows the DXS12. (図、DXS12。)? （上側）?（上下方向確認。 ）?（LED Ass y）? ? (図、DXS12。)Fig. A-2 （図A-2）A-4. Speaker (Woofer) (Time required: About 5 minutes)A-4-1 Remove the met

27、al grille assembly. (See procedure A-1.)A-4-2 Remove the LED panel assembly. (See procedure A-2-2.)A-4-2 Remove the port board assembly. (See procedure A-3.)A-4-3 Remove the eight (8) screws marked 40. The speaker (woofer) can then be removed. (Fig. A-5, Fig. A-6) * When installing the speaker (woof

28、er), fi rst tighten the four (4) priority screws in order as shown in Fig. A-5.A-4-4 Remove the LFSPOUT connector assembly (red/black) attached to the speaker (woofer) terminal. (Fig. A-5, Fig. A-7) * The speaker (woofer) is heavy. Be careful not to drop it.Fig. A-4 （図A-4）? （LED Ass y）?（LED SUB Ass

29、y）Fig. A-3 （図A-3）A-4. （）（所要時間：約 5 分）A-4-1 Assy 外。 （A-1 項参照）A-4-2 LED Assy 外。 （A-2-2 項参照）A-4-2 板 Assy 外。 （A-3 項参照）A-4-3 40 8 本外、（）外。 （図 A-5、図 A-6） （）取付、優先4 本図示順番先締。 （図 A-5）A-4-4 （）端子取付 LFSPOUT 束線（赤黒）外。 （図 A-5、図 A-7） （）重量、落下様注意。10DXS12/DXS15A-5. Amp Assembly (Time required: About 3 minutes)A-5-1 Remov

30、e the twelve (12) screws marked 60B. (Fig. A-8) * When installing the amp assembly, fi rst tighten the two (2) priority screws in order as shown in Fig. A-8.A-5-2 Loosen the two (2) screws for removing the amp assembly. (Fig. A-9) * Loosen only ! Never remove these screws. Tighten these screws when

31、installing the amp assembly. (Fig. A-9)A-5-3 Hold the two (2) screws for removing the amp assembly and then remove the amp assembly carefully. (Fig. A-9)A-5. Assy（所要時間：約 3 分）A-5-1 60B 12 本外。 （図 A-8） Assy 取付、優先 2 本図示順番先締。 （図 A-8）A-5-2 Assy 取外用 2 本緩。 （図 A-9） 緩、外注意。 Assy 取付時、締。 （図 A-9）A-5-3 Assy 取外用 2

32、箇所持、慎重 Assy 外。 （図 A-9）RED MARKING（赤）LFSPOUT CONNECTOR ASSEMBLY RED (+)(LFSPOUT 束線 赤 (+)LFSPOUT CONNECTOR ASSEMBLY BLACK ()(LFSPOUT 束線 黒 ()SPEAKER (WOOFER)（ （） ）Fig. A-7 （図A-7）Fig. A-6 （図A-6）40404040SPEAKER (WOOFER)( （） ）?: PRIORITY SCREW （優先） This figure shows the DXS12. (図、DXS12。 )Mark shows termin

33、al direction of speaker (woofer).（ 印、 （）端子方向示。 ）Fig. A-5 （図A-5） ? (図、DXS12。)?(? 束線 ? 赤 / 黒 ?)?( （） ）?11DXS12/DXS15A-5-4 Disconnect the connectors of the LFSPOUT connector assembly (red/black) and C&C connector assembly (red/white) from the amp assembly. (Fig. A-8, Photo A-1) * Take care not to pull

34、the amp assembly too wide or these connector assemblies may be damaged. (Fig. A-8, Photo A-1) For about disassembly of amp assembly, refer to 12 page.Fig. A-8 （図A-8）?(? 束線 ? 赤 / 白 ?)?(? 束線 ? 赤 / 黒 ?)?q（優先 q）?w（優先 w）?（ Ass y） ? (図、DXS12。)A-5-4 Assy LFSPOUT 束線（赤黒） 、C&C束線（赤白）外。 （図 A-8、写真 A-1） Assy 引出、束

35、線傷注意。 （図 A-8、写真 A-1） Assy 分解手順、12 参照。?（ Ass y 取外用）?（ Ass y） ? (図、DXS12。)?（ Ass y）?(? 束線 ? 黒 ?)?(? 束線 ? 赤 ?)?(? 束線 ? 赤 ?)?(? 束線 ? 白 ?)Photo A-1 （写真A-1）Fig. A-9 （図A-9）12DXS12/DXS15B. Disassembly of Amp Assembly * Before disassembly, remove the amp assembly in advance. (See procedure A-5.)B-1. Amp Cove

36、r Assembly (Time required: About 2 minutes)B-1-1 Remove the twelve (12) screws marked 540. The amp cover assembly can then be removed. (Fig. B-1)B-2. SUBW3 Circuit Board (Time required: About 3 minutes)B-2-1 Remove the amp cover assembly. (See procedure B-1.)B-2-2 Remove the four (4) screws marked 5

37、00. The SUBW3 circuit board can then be removed. (Fig. B-2) * The cushion OUT is not part of the SUBW3 circuit board. When replacing the SUBW3 circuit board, remove the cushion OUT from the SUBW3 circuit board and install it to the new circuit board. (Fig. B-2)B. Assy 分解 分解前、 Assy 外。（A-5 項参照）B-1. As

38、sy（所要時間：約 2 分）B-1-1 540 12 本外、 Assy外。 （図 B-1）B-2. SUBW3 （所要時間：約 3 分）B-2-1 Assy 外。 （B-1 項参照）B-2-2 500 4 本外、SUBW3 外。 （図 B-2） OUT 、SUBW3 構成部品。SUBW3 交換際、SUBW3 OUT 取外、新取付。 （図 B-2）Fig. B-1 （図B-1）Fig. B-2 （図B-2）?( Ass y)?（ OUT）?13DXS12/DXS15B-3. Shield Assembly (Time required: About 4 minutes)B-3-1 Remove

39、the amp cover assembly. (See procedure B-1.)B-3-2 Remove the SUBW3 circuit board. (See procedure B-2.)B-3-3 Remove the three (3) screws marked 510 and two (2) screws marked 520. The shield assembly can then be removed. (Fig. B-3)SHIELD ASSEMBLY( Ass y)510510520B-4. AMPSW Circuit Board (Time required

40、: About 6 minutes)B-4-1 Remove the amp cover assembly. (See procedure B-1.)B-4-2 Remove the SUBW3 circuit board. (See procedure B-2.)B-4-3 Remove the shield assembly. (See procedure B-3.)B-4-4 Remove the fourteen (14) screws marked 220. The AMPSW circuit board can then be removed. (Fig. B-4) * Be su

41、re to remove binding tie A. Install as before binding tie A was removed. (Fig. B-4, Fig. B-4-1) * When installing the AMPSW circuit board, fi rst tighten the two (2) priority screws in order as shown in Fig. B-4.Fig. B-3 （図B-3）B-3. Assy（所要時間：約 4 分）B-3-1 Assy 外。 （B-1 項参照）B-3-2 SUBW3 外。 （B-2 項参照）B-3-3

42、 5103本5202本外、 Assy 外。 （図 B-3）B-4. AMPSW （所要時間：約 6 分）B-4-1 Assy 外。 （B-1 項参照）B-4-2 SUBW3 外。 （B-2 項参照）B-4-3 Assy 外。 （B-3 項参照）B-4-4 220 14 本外、AMPSW 外。 （図 B-4） A 必外。 取付、 A 取外前同取付。 （図 B-4、図 B-4-1） AMPSW 取付、優先 2 本図示順番先締。 （図 B-4）14DXS12/DXS15B-5. SUBW4 Circuit Board (Time required: About 4 minutes)B-5-1 Rem

43、ove the amp cover assembly. (See procedure B-1.)B-5-2 Remove the SUBW3 circuit board. (See procedure B-2.)B-5-3 Remove the shield assembly. (See procedure B-3.)B-5-4 Remove the screw marked 370. The SUBW4 circuit board can then be removed. (Fig. B-4)B-6. SUBW1 Circuit Board (Time required: About 6 m

44、inutes)B-6-1 Remove the amp cover assembly. (See procedure B-1.)B-6-2 Remove the SUBW3 circuit board. (See procedure B-2.)B-6-3 Remove the shield assembly. (See procedure B-3.)B-6-4 Remove the two (2) screws marked 70, three (3) screws marked 80 and the screw marked 90. The shield ACIN can then be r

45、emoved together with the SUBW1 circuit board. (Fig. B-5) * When installing the shield ACIN, fi rst tighten the two (2) priority screws in order as shown in Fig. B-5. * When installing the screw marked 90, tighten so that the terminal lug points within the 90-degree range as shown in Fig. B-5.PRIORIT

46、Y SCREW ?（優先 ?）PRIORITY SCREW ?（優先 ?）220220370220AMPSWSUBW4BINDING TIE A（ A）DC FAN（DC ）SUBW4Fig. B-4-1 （図B-4-1）B-5. SUBW4 （所要時間：約 4 分）B-5-1 Assy 外。 （B-1 項参照）B-5-2 SUBW3 外。 （B-2 項参照）B-5-3 Assy 外。 （B-3 項参照）B-5-4 370 1 本外、SUBW4 外。 （図 B-4）B-6. SUBW1 （所要時間：約 6 分）B-6-1 Assy 外。 （B-1 項参照）B-6-2 SUBW3 外。 （B-2

47、 項参照）B-6-3 Assy 外。 （B-3 項参照）B-6-4 70 2 本 80 3 本、90 1本外、SUBW1 共 ACIN外。 （図 B-5） ACIN 取付、優先 2 本図示順番先締。 （図 B-5） 90 取付、向図通 90 度範囲締。（図 B-5）Fig. B-4 （図B-4）15DXS12/DXS15B-6-5 Remove the four (4) screws marked 50 and two (2) screws marked 60. The SUBW1 circuit board can then be removed from the shield ACIN.

48、(Fig. B-5) * Be sure to remove binding tie B. Install as before binding tie B was removed. (Fig. B-5, Fig. B-5-1) * When installing the SUBW1 circuit board, fi rst tighten the two (2) priority screws as shown in Fig. B-5.B-6-6 Remove the power knob from the SUBW1 circuit board. (Fig. B-5)B-6-7 Strai

49、ghten the two claws of the inlet angle and remove the inlet angle from the SUBW1 circuit board. (Fig. B-5, Photo B-1) * The power knob and the inlet angle are not parts of the SUBW1 circuit board. When replacing the SUBW1 circuit board, remove the power knob and the inlet angle from the SUBW1 circui

50、t board and install them to the new circuit board. (Fig. B-5)PRIORITY SCREW（優先）PRIORITY SCREW（優先）SHIELD ACIN（ ACIN）INLET ANGLE（金具）TERMINAL LUG（）90-degree（90 度）POWER KNOB（）50609090SUBW17080PRIORITY SCREW ?（優先 ?）PRIORITY SCREW ?（優先 ?）CLAW（）SHIELD ACIN（ ACIN）Connector Assembly（束線）SUBW1BINDING TIE B（ B）