Yamaha DBR Series Bedienungsanleitung

SERVICE MANUAL

HAMAMATSU, JAPAN

SERVICE MANUAL

012126

INSPECTIONS（検査）......................................... 44

UPDATING（アップデート）................................. 51

MODEL ID SETTING（モデル ID 設定）.............. 53

STARTING SEQUENCE（起動シーケンス）.. 54/56

FINISHING SEQUENCE（終了シーケンス）.. 58/59

PARTS LIST

BLOCK DIAGRAM（ブロックダイアグラム）

LEVEL DIAGRAM（レベルダイアグラム）

CIRCUIT DIAGRAM（回路図）

SPECIFICATIONS（総合仕様）.............................. 3

PANEL LAYOUT（パネルレイアウト）................... 4

CIRCUIT BOARD LAYOUT

（ユニットレイアウト）............................................... 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（シート基板図）.................... 22

TEST PROGRAM（テストプログラム）............... 29

NOTES ON THE MEASUREMENT ENVIRONMENT

（測定環境に対する注意事項）.................................. 42

CONTENTS（目次）

32:(5('63($.(56<67(0

'%5VHULHV

DBR15DBR12

DBR10

DBR10/DBR12/DBR15

WARNING

Components having special characteristics are marked and must be replaced with parts having speciﬁcation equal to those

originally installed.

印の部品は、安全を維持するために重要な部品です。交換する場合は、安全のために必ず指定の部品をご使用ください。

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 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 advise

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 applicable 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. Modifications 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

distributor’s 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 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 chemicals 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 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 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: 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 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 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 with the letter L or coloured RED.

DBR10/DBR12/DBR15

SPECIFICATIONS（総合仕様）

General DBR15 DBR12 DBR10

System Type 2-way, Bi-amp Powered Speaker, Bass-reﬂex Type

Frequency Range (-10dB) 50Hz–20kHz 52Hz–20kHz 55Hz–20kHz

Coverage Angle H90° x V60° Constant Directivity Horn

Crossover Type FIR-X Tuning (Linear Phase FIR Filter)

Crossover Frequency 2.1kHz 2.1kHz 2.1kHz

Measured Maximum SPL (peak)

IEC noise@1m

132dB SPL 131dB SPL 129dB SPL

Transducer DBR15 DBR12 DBR10

LF Diameter 15" Cone 12" Cone 10" Cone

Voice coil 2.5" 2" 2"

Magnet Ferrite

HF Diaphragm 1.4" 1"

Type 1" Throat Compression Driver

Magnet Ferrite

Enclosure DBR15 DBR12 DBR10

Material, Color Plastic, Black

Floor Monitor Angle 50° Symmetrical 50° Symmetrical 50°

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 Weight 19.3kg (42.6lbs) 15.8kg (34.8lbs) 10.5kg (23.2lbs)

Handles Side x 2 Top x 1

Pole Socket 35mm

Rigging points Bottom x 2, Rear x 1 (Fit for M8 x 15mm Eyebolts) Bottom x 2 (Fit for M8 x 15mm

Eyebolts)

Optional Seaker Bracket BBS251, BCS251, BWS251-300, BWS251-400

Ampliﬁer DBR15 DBR12 DBR10

Ampliﬁer Type Class-D

Power Rating *1 Dynamic 1000W (LF: 800W, HF: 200W) 700W (LF: 500W, HF: 200W)

Continuous 465W (LF: 400W, HF: 65W) 325W (LF: 260W, HF: 65W)

Cooling Fan cooling, 4 speeds

AD/DA 24bit 48kHz sampling

HPF/LPF OFF, 100Hz, 120Hz, 24dB/Oct. HPF

DSP preset D-CONTOUR: FOH/MAIN, MONITOR, OFF

Protection Speaker Clip Limiting, Integral Power Protection, DC-fault

Ampliﬁer Thermal, Output Over Current

Power supply Thermal, Output Over Voltage, Output Over Current

Connectors Input Input1: Combo x1, Input2: Combo x1, RCA PIN x2 (Unbalanced)

Output Output: XLR3-32 x1 (CH1 Parallel Through or CH1+CH2 Mix)

Input Impedance INPUT1 (XLR, Phone): 3 kΩ, INPUT2 (XLR, Phone, RCA Pin): 10 kΩ

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 Level INPUT1: LINE: +24 dBu, MIC: -8 dBu, INPUT2: +24 dBu

Controls LEVEL x2, LINE/MIC, HPF, D-CONTOUR, THRU/MIX, POWER

Idle Power Consumption 18W

1/8 Power Consumption 74W 60W

Power Requirements 100V, 110–120V, 220–240V, 110/127/220V (Brazil), 50/60Hz

0dBu is referenced to 0.775Vrms.

*1 Power rating (120V, 25°C). This is total value of individual output power.

• Included Accessories

· AC power cord

· Owner's manual

·Technical Speciﬁcations (English only)

•付属品

 ·電源コード

 ·取扱説明書

 ·スペックシート（英語のみ）

DBR10/DBR12/DBR15

PA N E L L AYOU T（パネルレイアウト）

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-CONTOUR] indicator

!1 [D-CONTOUR] switch

!2 [HPF] switch

!3 [AC IN] socket

!4 [I/ ] (power) switch

!5 Pole socket

q[INPUT]端子（CH1とCH2）

w[LEVEL] ノブ

e[MIC/LINE] スイッチ

r[LIMIT] インジケーター

t[SIGNAL] インジケーター

y[PROTECTION] インジケーター

u[POWER] インジケーター

i[OUTPUT] 切り替えスイッチ

o[OUTPUT] 端子

!0 [D-CONTOUR] インジケーター

!1 [D-CONTOUR] スイッチ

!2 [HPF] スイッチ

!3 [ACIN] 端子

!4 [I/ ]（電源）スイッチ

!5 ポールソケット

󱾀Rear（背面） 󱾀Bottom（底面）

DBR10/DBR12/DBR15

CIRCUIT BOARD LAYOUT（ユニットレイアウト）

O'%5

＜)URQWYLHZ(正面)＞＜5LJKWVLGHYLHZ(右側面)＞＜5HDUYLHZ(背面)＞

63($.(5:22)(5

（スピーカ（ウーファー））

63($.(57:((7(5

（スピーカ（ツイーター）） $03$66(0%/<

（アンプ組立）

O'%5

＜)URQWYLHZ(正面)＞＜5LJKWVLGHYLHZ(右側面)＞＜5HDUYLHZ(背面)＞

63($.(5:22)(5

（スピーカ（ウーファー））

63($.(57:((7(5

（スピーカ（ツイーター）） $03$66(0%/<

（アンプ組立）

O'%5

＜)URQWYLHZ(正面)＞＜5LJKWVLGHYLHZ(右側面)＞＜5HDUYLHZ(背面)＞

63($.(5:22)(5

（スピーカ（ウーファー））

63($.(57:((7(5

（スピーカ（ツイーター）） $03$66(0%/<

（アンプ組立）

DBR10/DBR12/DBR15

O$03$66(0%/<（アンプ組立）

68%/63,1

68%/63287

$036

68%/$&,1

'63

96/ (P destination only)

DBR10/DBR12/DBR15

DIMENSIONS（寸法図）

376

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

DBR10/DBR12/DBR15

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 assembly. (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), ﬁrst

match the position of the terminal to the direction

shown by the mark and then tighten the two (2)

priority 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.

 ※ インシュロックタイなどを外したときは必ず外す前と

  同じように取付けてください。

* When you remove binding ties and such, always

install as before removal.

Fig. A-1

（図A-1） Fig. A-2

（図A-2）

>@

>@

*5,//($66(0%/<

（グリル 10 組立）

/28'63($.(5:22)(5

（スピーカ（ウーファー））

/)&211(&725

$66(0%/<5('%/$&.

（:& 組立 LF10 束線（赤 / 黒））

A.DBR10 の分解

A-1. グリル 10 組立（所要時間：約 1 分）

A-1-1 [230] のネジ 4 本を外して、グリル 10 組立を外し

ます。（図 A-1）

A-2. スピーカ（ウーファー）

（所要時間：約 3 分）

A-2-1 グリル 10 組立を外します。（A-1 項参照）

A-2-2 [210] のネジ 4 本を外して、スピーカ（ウーファー）

を外します。（図 A-2、図 A-3）

 ※ スピーカ（ウーファー）を取り付けるときは、端子の位

置を印の方向に合わせてから、図に示す優先ネジ 2

本を先に締めてください。（図 A-3）

A-2-3 スピーカ（ウーファー）端子に取り付けられてい

る WC 組立 LF10 束線（赤／黒）を外します。

 （図 A-2、図 A-4）

 ※ スピーカ（ウーファー）は重量がありますので、落下さ

せない様に注意してください。

DBR10/DBR12/DBR15

/)&211(&725

$66(0%/<5('%/$&.

（WC 組立 LF10 束線（赤/黒））

+)&211(&725

$66(0%/<<(//2:%/8(

（WC 組立 HF10 束線（黄/青））

%$))/($66(0%/<

（バッフル 10 組立）

>@

A-3. Bafﬂe 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-3-3 Remove the twelve (12) screws marked [170]. The

bafﬂe 10 assembly can then be removed.

(Fig. A-5, Fig. A-6)

When installing the bafﬂe 10 assembly, ﬁrst 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/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）

>@

>@ >@

/28'63($.(5:22)(5

（スピーカ（ウーファー））

>@

35,25,7<6&5(:

（優先ネジ）

/)&211(&725

$66(0%/<5('

（WC 組立 LF10 束線赤（＋））

/)&211(&725

$66(0%/<%/$&.²

（WC 組立 LF10 束線黒（−））

/28'63($.(5:22)(5

（スピーカ（ウーファー））

Fig. A-5

（図A-5）

A-3. バッフル 10 組立（所要時間：約 4 分）

A-3-1 グリル 10 組立を外します。（A-1 項参照）

A-3-2 スピーカ（ウーファー）を外します。（A-2 項参照）

A-3-3 [170] のネジ 12 本を外して、バッフル 10 組立を

外します。（図 A-5、図 A-6）

 ※ バッフル 10 組立を取り付けるときは、優先ネジ 7 本を

図に示す順番で先に締めてください。（図 A-6）

A-3-4 アンプ組立 10 から WC 組立 LF10 束線（赤／黒）、

WC 組立 HF10 束線（黄／青）のコネクターを

外します。（図 A-5、写真 A-1）

 ※ バッフル 10 組立を開きすぎて、これらの束線を傷めな

いように注意してください。（図 A-5、写真 A-1）

DBR10/DBR12/DBR15

35,25,7<6&5(:

（優先ネジ）

>@ >@

>@

%$))/($66(0%/<

（バッフル 10 組立）

w e

q q

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 bafﬂe 10 assembly. (See procedure A-3.)

A-4-4 Remove the HF 10 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, ﬁrst tighten the 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）

+)&211(&725

$66(0%/<<(//2:%/8(

（WC 組立 HF10 束線（黄/青））

/)&211(&725

$66(0%/<5('%/$&.

（WC 組立 LF10 束線（赤/黒））

$03$66(0%/<

（アンプ組立 10）

A-4. スピーカ（ツイーター）

（所要時間：約 5 分）

A-4-1 グリル 10 組立を外します。（A-1 項参照）

A-4-2 スピーカ（ウーファー）を外します。（A-2 項参照）

A-4-3 バッフル 10 組立を外します。（A-3 項参照）

A-4-4 スピーカ（ツイーター）端子に取り付けられてい

る WC 組立 HF10 束線（黄／青）を外します。

 （図 A-7、図 A-8）

A-4-5 [140] のネジ 4 本を外して、スピーカ（ツイーター）

と共に取付板 HFP を外します。（図 A-7、図 A-8）

 ※ 取付板 HFP を取り付けるときは、図に示す優先ネジ 2

本を先に締めてください。（図 A-8）

A-4-6 [130] のネジ 2 本と [120] の歯付座金外歯 2 個を

外して、取付板 HFP からスピーカ（ツイーター）

を外します。（図 A-7）

+)&211(&725

$66(0%/<<(//2:%/8(

（WC 組立 HF10 束線（黄/青））

%5$&.(7+)3

（取付板 HFP）

/28'63($.(57:((7(5

（スピーカ（ツイーター））

>@

>@

>@

Fig. A-7

（図A-7）

Andere Handbücher für DBR Series

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