Yamaha-DBR10_DBR12_DBR15-spk-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL HAMAMATSU, JAPAN SERVICE MANUAL Copyright (c) Yamaha Corporation. All rights reserved. PDF 14.07 012126PA INSPECTIONS(検査) .44 UPDATING() .51 MODEL ID SETTING( ID 設定) .53 STARTING SEQUENCE(起動) .54/56 FINISHING SEQUENCE(終了) .58/59 PARTS LIST BLOCK DIAGRAM() LEVEL DIAGRAM() CIRCUIT DIAGR

2、AM(回路図) SPECIFICATIONS(総合仕様) .3 PANEL LAYOUT() .4 CIRCUIT BOARD LAYOUT () .5 DIMENSIONS(寸法図) .7 DISASSEMBLY PROCEEDURE(分解手順) .8 LSI PIN DESCRIPTION(LSI 端子機能表) .21 CIRCUIT BOARDS(基板図) .22 TEST PROGRAM() .29 NOTES ON THE MEASUREMENT ENVIRONMENT (測定環境対注意事項) .42 CONTENTS(目次) ? ? DBR15DBR12DBR10 RadioFan

3、s.CN 收音机爱 好者资料库 2 DBR10/DBR12/DBR15 WARNING Components having special characteristics are marked and must be replaced with parts having specifi cation 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。 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Ret

4、ailers 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 have therefore not been restated. WARNING : Failure to follow appropriate service and safety proce

5、dures 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 owners that all service required should be performed by an authorized Yamaha Retailer or the appoin

6、ted 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 capabilities, or establish a principal-agent relationship of any form. The data provided is belived to b

7、e 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, therefore, inevitable and changes in specification are subject to change without notice or obligation t

8、o 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 may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black w

9、ires 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 chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm. DO NOT PLACE

10、 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 solder or components located

11、 inside the enclosure of this product, wash your hands before handling food. IMPORTANT NOTICE FOR THE UNITED KINGDOM 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: EART

12、H 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 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 mar

13、ked by the letter E or by the safety earth symbol or colored GREEN or colored GREEN and YELLOW. 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 coloured BROWN must be connected to the terminal which is marked wi

14、th the letter L or coloured RED. RadioFans.CN 收音机爱 好者资料库 3 DBR10/DBR12/DBR15 SPECIFICATIONS(総合仕様) GeneralDBR15DBR12DBR10 System Type 2-way, Bi-amp Powered Speaker, Bass-refl ex Type Frequency Range (-10dB)50Hz20kHz52Hz20kHz55Hz20kHz Coverage AngleH90 x V60 Constant Directivity Horn Crossover TypeFIR

15、-X Tuning (Linear Phase FIR Filter) Crossover Frequency2.1kHz2.1kHz2.1kHz Measured Maximum SPL (peak) IEC noise1m 132dB SPL131dB SPL129dB SPL TransducerDBR15DBR12DBR10 LFDiameter15 Cone12 Cone10 Cone Voice coil2.522 MagnetFerrite HFDiaphragm1.41 Type1 Throat Compression Driver MagnetFerrite Enclosur

16、eDBR15DBR12DBR10 Material, ColorPlastic, Black Floor Monitor Angle50 Symmetrical50 Symmetrical50 Dimensions (WxHxD, with rubber feet) 455 x 700 x 378 mm (17.9 x 27.6 x 14.9) 376 x 601 x 348 mm (14.8 x 23.7 x 13.7) 308 x 493 x 289 mm (12.1 x 19.4 x 11.4) Net Weight19.3kg (42.6lbs)15.8kg (34.8lbs)10.5

17、kg (23.2lbs) HandlesSide x 2Top x 1 Pole Socket35mm Rigging pointsBottom x 2, Rear x 1 (Fit for M8 x 15mm Eyebolts)Bottom x 2 (Fit for M8 x 15mm Eyebolts) Optional Seaker BracketBBS251, BCS251, BWS251-300, BWS251-400 Amplifi erDBR15DBR12DBR10 Amplifi er TypeClass-D Power Rating *1Dynamic1000W (LF: 8

18、00W, HF: 200W)700W (LF: 500W, HF: 200W) Continuous465W (LF: 400W, HF: 65W)325W (LF: 260W, HF: 65W) CoolingFan cooling, 4 speeds AD/DA24bit 48kHz sampling HPF/LPFOFF, 100Hz, 120Hz, 24dB/Oct. HPF DSP presetD-CONTOUR: FOH/MAIN, MONITOR, OFF ProtectionSpeakerClip Limiting, Integral Power Protection, DC-

19、fault Amplifi erThermal, Output Over Current Power supplyThermal, Output Over Voltage, Output Over Current ConnectorsInputInput1: Combo x1, Input2: Combo x1, RCA PIN x2 (Unbalanced) OutputOutput: XLR3-32 x1 (CH1 Parallel Through or CH1+CH2 Mix) Input ImpedanceINPUT1 (XLR, Phone): 3 k, INPUT2 (XLR, P

20、hone, RCA Pin): 10 k Input Sensitivity (LEVEL: Maximum)INPUT1: LINE: 0 dBu, MIC: -32 dBu, INPUT2: 0 dBu Input Sensitivity (LEVEL: Center)INPUT1: LINE: +10 dBu, MIC: -22 dBu, INPUT2: +10 dBu Maximum Input LevelINPUT1: LINE: +24 dBu, MIC: -8 dBu, INPUT2: +24 dBu ControlsLEVEL x2, LINE/MIC, HPF, D-CONT

21、OUR, THRU/MIX, POWER Idle Power Consumption18W 1/8 Power Consumption74W60W Power Requirements100V, 110120V, 220240V, 110/127/220V (Brazil), 50/60Hz 0dBu is referenced to 0.775Vrms. *1 Power rating (120V, 25C). This is total value of individual output power. Included Accessories AC power cord Owners

22、manual Technical Specifi cations (English only) 付属品 電源 取扱説明書 (英語) RadioFans.CN 收音机爱 好者资料库 4 DBR10/DBR12/DBR15 PANEL LAYOUT() q INPUT jacks (CH1 and CH2) w LEVEL knobs e MIC/LINE switch r LIMIT indicator t SIGNAL indicator y PROTECTION indicator u POWER indicator i OUTPUT switch o OUTPUT jack !0 D-CO

23、NTOUR indicator !1 D-CONTOUR switch !2 HPF switch !3 AC IN socket !4 I/ (power) switch !5 Pole socket q INPUT端子 (CH1CH2) w LEVEL e MIC/LINE r LIMIT t SIGNAL y PROTECTION u POWER i OUTPUT 切替 o OUTPUT 端子 !0 D-CONTOUR !1 D-CONTOUR !2 HPF !3 AC IN 端子 !4 I/ (電源) !5 r t q q i o w e u y !0 !1 !2 !4 !3 !5 R

24、ear (背面)Bottom (底面) 5 DBR10/DBR12/DBR15 CIRCUIT BOARD LAYOUT() ? ? (正面)? (右側面)? (背面) ? ( () ) ? ( () ) ? (組立) ? ? (正面)? (右側面)? (背面) ? ( () ) ? ( () ) ? (組立) ? ? (正面)? (右側面)? (背面) ? ( () ) ? ( () ) ? (組立) 6 DBR10/DBR12/DBR15 ? (組立) ? ? ? ? ?(P destination only) 7 DBR10/DBR12/DBR15 DIMENSIONS(寸法図) 376

25、 601 150 For pole ?35mm 2-M8 depth 17mm Unit (単位) : mm 102 M8 depth 17mm 408 50 348 162 152 308 493 289 148 120 138 For pole ?35mm 2-M8 depth 17mm Unit (単位) : mm 50 336 455 700 150 For pole ?35mm 2-M8 depth 17mm Unit (単位) : mm 126 M8 depth 17mm 464 50 378 173 163 DBR15 DBR12 DBR10 8 DBR10/DBR12/DBR1

26、5 DISASSEMBLY PROCEDURE(分解手順) A. Disassembly of DBR10 A-1. Grille 10 Assembly (Time required: About 1 minute) A-1-1 Remove the four (4) screws marked 230. The grille 10 assembly can then be removed. (Fig. A-1) A-2. Loud Speaker (Woofer) (Time required: About 3 minutes) A-2-1 Remove the grille 10 ass

27、embly. (See procedure A-1.) A-2-2 Remove the four (4) screws marked 210. The loud speaker (woofer) can then be removed. (Fig. A-2, Fig. A-3) * When installing the loud speaker (woofer), fi rst match the position of the terminal to the direction shown by the mark and then tighten the two (2) priority

28、 screws as shown in Fig. A-3. A-2-3 Remove the LF 10 connector assembly (red/black) attached to the loud speaker (woofer) terminal. (Fig. A-2, Fig. A-4) * The loud speaker (woofer) is heavy. Be careful not to drop it. 外必外前 同取付。 * When you remove binding ties and such, always install as before remova

29、l. Fig. A-1 (図A-1)Fig. A-2 (図A-2) ? ? ? ( 10 組立) ? ( () ) ? ? (? 組立 LF10 束線 (赤 / 黒) ) A. DBR10 分解 A-1. 10 組立(所要時間:約 1 分) A-1-1 230 4 本外、 10 組立外 。 (図 A-1) A-2. ()(所要時間:約 3 分) A-2-1 10 組立外。 (A-1 項参照) A-2-2 210 4 本外、 () 外。 (図 A-2、図 A-3) ()取付、端子位 置印方向合、図示優先 2 本先締。 (図 A-3) A-2-3 ()端子取付 WC 組立 LF10 束線(赤黒)外

30、。 (図 A-2、図 A-4) ()重量、落下 様注意。 9 DBR10/DBR12/DBR15 ? ? (WC 組立 LF10 束線 (赤 / 黒) ) ? ? (WC 組立 HF10 束線 (黄 / 青) ) ? ( 10 組立) ? ? A-3. Baffl e 10 Assembly (Time required: About 4 minutes) A-3-1 Remove the grille 10 assembly. (See procedure A-1.) A-3-2 Remove the loud speaker (woofer). (See procedure A-2.) A

31、-3-3 Remove the twelve (12) screws marked 170. The baffl e 10 assembly can then be removed. (Fig. A-5, Fig. A-6) * When installing the baffl e 10 assembly, fi rst tighten the seven (7) priority screws in order as shown in Fig. A-6. A-3-4 Disconnect the connectors of the LF 10 connector assembly (red

32、/black), HF 10 connector assembly (yellow/blue) from the amp assembly 10. (Fig. A-5, Photo A-1) * Take care not to open the baffle 10 assembly too wide or these connector assemblies may be damaged. (Fig. A-5, Photo A-1) Fig. A-3 (図A-3)Fig. A-4 (図A-4) ? ? ? ? ( () ) ? ? (優先) ? ? (WC 組立 LF10 束線 赤 () )

33、 ? ? (WC 組立 LF10 束線 黒 () ) ? ( () ) Fig. A-5 (図A-5) A-3. 10 組立(所要時間:約 4 分) A-3-1 10 組立外。 (A-1 項参照) A-3-2 ()外。 (A-2 項参照) A-3-3 170 12 本外、 10 組立 外。 (図 A-5、図 A-6) 10 組立取付、優先 7 本 図示順番先締。 (図 A-6) A-3-4 組立10WC組立LF10束線 (赤黒) 、 WC 組立 HF10 束線(黄青) 外。 (図 A-5、写真 A-1) 10 組立開、束線傷 注意。 (図 A-5、写真 A-1) 10 DBR10/DBR12/

34、DBR15 ? (優先) ? ? ? ( 10 組立) we e r w qq A-4. Loud Speaker (Tweeter) (Time required: About 5 minutes) A-4-1 Remove the grille 10 assembly. (See procedure A-1.) A-4-2 Remove the loud speaker (woofer). (See procedure A-2.) A-4-3 Remove the baffl e 10 assembly. (See procedure A-3.) A-4-4 Remove the HF 1

35、0 connector assembly (yellow/blue) attached to the loud speaker (tweeter) terminal. (Fig. A-7, Fig. A-8) A-4-5 Remove the four (4) screws marked 140. The bradket HFP can then be removed together with the loud speaker (tweeter). (Fig. A-7, Fig. A-8) * When installing the bracket HFP, fi rst tighten t

36、he two (2) priority screws as shown in Fig. A-8. A-4-6 Remove the two (2) screws marked 130 and two (2) washer o. tooth marked 120. The loud speaker (tweeter) can then be removed from the bradket HFP. (Fig. A-7) Fig. A-6 (図A-6)Photo A-1 (写真A-1) ? ? (WC 組立 HF10 束線 (黄 / 青) ) ? ? (WC 組立 LF10 束線 (赤 / 黒)

37、 ) ? (組立 10) A-4. ()(所要時間:約 5 分) A-4-1 10 組立外。 (A-1 項参照) A-4-2 ()外。 (A-2 項参照) A-4-3 10 組立外。 (A-3 項参照) A-4-4 ()端子取付 WC 組立 HF10 束線(黄青)外。 (図 A-7、図 A-8) A-4-5 140 4 本外、 () 共取付板 HFP 外。 (図 A-7、図 A-8) 取付板 HFP 取付、図示優先 2 本先締。 (図 A-8) A-4-6 130 2 本 120 歯付座金外歯 2 個 外、取付板 HFP () 外。 (図 A-7) ? ? (WC 組立 HF10 束線 (黄

38、/ 青) ) ? (取付板 HFP) ? ( () ) ? ? ? Fig. A-7 (図A-7) 11 DBR10/DBR12/DBR15 ? (優先) ? ? ? ( 10 組立) ? ? (WC 組立 HF10 束線 黄 () ) ? (取付板 HFP) ? ( () ) ? (赤) ? ? (WC 組立 HF10 束線 青 () ) A-5. Amp Assembly 10 (Time required: About 3 minutes) A-5-1 Remove the ten (10) screws marked 250. (Fig. A-9, Fig. A-10) * When

39、installing the amp assembly 10, fi rst tighten the two (2) priority screws in order as shown in Fig. A-10. A-5-2 Loosen the two (2) screws for removing the amp assembly . (Fig. A-10) * Loosen only ! Never remove these screws. Tighten these screws when installing the amp assembly 10. (Fig. A-10) A-5-

40、3 Hold the two (2) screws for removing the amp assembly and then remove the amp assembly 10 carefully. (Fig. A-10) For about disassembly of amp assembly, refer to 17 page. ? (優先) ? ? ? ? (組立 10) ? ? (組立取外用) ? ? (組立取外用) w q ? ? (組立 10) Fig. A-8 (図A-8) Fig. A-9 (図A-9)Fig. A-10 (図A-10) A-5. 組立 10(所要時間:

41、約 3 分) A-5-1 250 10 本外。 (図 A-9、図 A-10) 組立 10 取付、優先 2 本図 示順番先締。 (図 A-10) A-5-2 組立取外用 2 本緩。 (図 A-10) 緩、外注意 。組立 10 取付時、 締。 (図 A-10) A-5-3 組立取外用 2 箇所持、慎重 組立 10 外。 (図 A-10) 組立分解手順、17 参照 。 12 DBR10/DBR12/DBR15 B. Disassembly of DBR12/DBR15 B-1. Grille 12 Assembly/Grille 15 Assembly (Time required: About 1

42、 minute) B-1-1 Remove the six (6) screws marked 260. The grille 12 assembly/grille 15 assembly can then be removed. (Fig. B-1) * When installing the grille 12 assembly/grille 15 assembly, fi rst tighten the two (2) priority screwa as shown in Fig. B-1. B-2. Loud Speaker (Woofer) (Time required: Abou

43、t 3 minutes) B-2-1 Remove the grille 12 assembly/grille 15 assembly. (See procedure B-1.) B-2-2 Remove the eight (8) screws marked 240. The loud speaker (woofer) can then be removed. (Fig. B-2, Fig. B-3) * When installing the loud speaker (woofer), fi rst match the position of the terminal to the di

44、rection shown by the mark and then tighten the four (4) priority screws as shown in Fig. B-3. B-2-3 Remove the LF 12 connector assembly/LF 15 connector assembly (red/black) attached to the loud speaker (woofer) terminal. (Fig. B-2, Fig. B-4) * The loud speaker (woofer) is heavy. Be careful not to drop it. 外必外前 同取付。 * When you remove binding ties and such, always install as before removal. Fig. B-1 (図B-1)Fig. B-2 (図B-2) ? ? ? ( 12 組立) ? (優先) ? ( () ) ? ?

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