Yamaha DXR Series Bedienungsanleitung

HAMAMATSU, JAPAN

DXR8: 201202-71400

DXR10: 201202-81900

DXR12: 201202-92400

DXR15: 201202-102900

PA 012041

SERVICE MANUAL

UB-DXR8: 201202-10500

UB-DXR10: 201202-10500

UB-DXR12: 201202-15750

UB-DXR15: 201202-15750

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 PROCEDURE（分解手順）................. 8

LSI PIN DESCRIPTION（LSI 端子機能表）................ 26

CIRCUIT BOARDS（シート基板図）.......................... 27

TEST PROGRAM（テストプログラム）..................... 35

INSPECTIONS（検査）............................................... 45

UPDATING（アップデート）...................................... 55

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）

UB-DXR8/UB-DXR10/UB-DXR12/UB-DXR15SERVICEMANUAL

CONTENTS（目次）

DXR8

DXR10 DXR12

DXR15

• POWERED SPEAKER

DXR8/DXR10/DXR12/DXR15

• U BRACKET

UB-DXR8/UB-DXR10/UB-DXR12/UB-DXR15

DXR8 / UB

DXR10 / UB

DXR12 / UB

DXR15

U BRACKET

UB-DXR12

UB-DXR8

UB-DXR10

UB-DXR15

DXR8/DXR10/DXR12/DXR15

WARNING

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

originally 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 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 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.

• This applies only to products distributed by Yamaha Music U.K. Ltd. (3 wires)

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。

DXR8/DXR10/DXR12/DXR15

SPECIFICATIONS（総合仕様）

General DXR8 DXR10 DXR12 DXR15

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

Frequency Range (-10dB) 57Hz – 20kHz 56Hz – 20kHz 52Hz – 20kHz 49Hz – 20kHz

Coverage Angle H90° x V60° Constant Directivity Horn

Crossover Type FIR-X tuning™ (Linear Phase FIR Filter)

Crossover Frequency 2.4kHz 2.3kHz 2.1kHz 2.1kHz

Measured Maximum SPL (peak)

IEC noise@1m

129dB SPL 131dB SPL 132dB SPL 133dB SPL

Transducer DXR8 DXR10 DXR12 DXR15

LF Diameter 8" Cone 10" Cone 12" Cone 15" Cone

Voice coil 2" 2" 2.5" 2.5"

Magnet Ferrite

HF Diaphragm 1.4"

Type 1" Throat Compression Driver

Magnet Ferrite

Enclosure DXR8 DXR10 DXR12 DXR15

Material, Finish, Color ABS, Matte Black

Floor Monitor Angle – 50° 50° Symmetrical 50° Symmetrical

Dimensions

(WxHxD, with rubber feet)

280×458×280 mm

(11" x 18" x 11")

305×502×310 mm

(12" x 19-3/4" x 12-1/4")

362×601×350 mm

(14-1/4" x 23-5/8" x 13-3/4")

445×700×380 mm

(17-1/2" x 27-1/2" x 15")

Net Weight 13.5kg (29.8lbs) 14.6kg (32.2lbs) 19.3kg (42.5lbs) 22.5kg (49.6lbs)

Handles Aluminium die-cast (Top x 1) Aluminium die-cast (Side x 2)

Pole Socket 35mm with 2-way feature (0 or 7 degree)

Rigging points Top x 2, Rear x 1 (Fits for M8 x 15mm eyebolts) Top x 2, Rear x 1 (Fits for M10 x 18mm eyebolts)

Optional Accessory (U-bracket) UB-DXR8 UB-DXR10 UB-DXR12 UB-DXR15

Ampliﬁer DXR8 DXR10 DXR12 DXR15

Ampliﬁer Type Class-D

Power Rating *1 Dynamic 1100W (LF: 950W, HF: 150W)

Continuous 700W (LF: 600W, HF: 100W)

Cooling Fan cooling, 4 speeds

AD/DA 24bit 48kHz sampling

Signal Processing 48bit (Accumulator: 76bit)

HPF/LPF OFF, 100, 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: XLR3-31 x 1, INPUT2: Phone x 2 (Unbalanced), INPUT3: RCA PIN x 2 (Unbalanced)

Output THRU: XLR3-32 x 1 (Parallel with INPUT1), LINK OUT: XLR x1

Input Impedance INPUT1 LINE: 12kΩ, MIC: 8kΩ

INPUT2, 3 L, R: 40kΩ, MONO: 20kΩ

Input Sensitivity

(LEVEL: Maximum)

INPUT1 LINE: +1dBu, MIC: -32dBu

INPUT2, 3 -13dBu

Input Sensitivity

(LEVEL: Center)

INPUT1 LINE: +11dBu, MIC: -22dBu

INPUT2, 3 -3dBu

Maximum Input Level INPUT1 LINE: +24dBu, MIC: +20dBu

INPUT2, 3 +16dBu

Controls LEVEL x3, LINE/MIC, HPF, D-CONTOUR, FRONT LED DISABLE, LINK MODE, POWER

Idle Power Consumption 35W

1/8 Power Consumption 90W 110W

Power Requirements 100V – 240V, 50Hz/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

•付属品

 ·電源コード

 ·取扱説明書

DXR8/DXR10/DXR12/DXR15

PANEL LAYOUT（パネルレイアウト）

7˚

0˚















)

• Rear panel（リアパネル）

• Tiltable pole socket

（チルト可能ポールソケット）

q[INPUT] jacks

w[THRU] jack

e[LEVEL] control

r[LIMIT] indicator

t[SIGNAL] indicator

y[PROTECTION] indicator

u[POWER] indicator

i[FRONT LED DISABLE] switch

o[MIC/LINE] switch

!0 [D-CONTOUR] switch

!1 [HPF] switch

!2 [LINK OUT] jack

!3 [LINK MODE] switch

!4 [AC IN] socket

!5 Power switch

!6 Tiltable pole socket

q[INPUT] 端子

w[THRU] 端子

e[LEVEL] コントロール

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[FRONTLEDDISABLE] スイッチ

o[MIC/LINE] スイッチ

!0 [D-CONTOUR] スイッチ

!1 [HPF] スイッチ

!2 [LINKOUT] 端子

!3 [LINKMODE] スイッチ

!4 [ACIN] 端子

!5 電源スイッチ

!6 チルト可能ポールソケット

DXR8/DXR10/DXR12/DXR15

CIRCUIT BOARD LAYOUT（ユニットレイアウト）

● DXR8 / DXR10

● DXR12 / DXR15

＜Front view(正面)＞＜Right side view(右側面)＞＜Rear view(背面)＞

SPEAKER (WOOFER)

（スピーカ（ウーファー）） ※This figure shows the DXR8.

 （この図は、DXR8 です。）

※This figure shows the DXR12.

 （この図は、DXR12 です。）

SPEAKER (TWEETER)

（スピーカ（ツイーター））

AMP ASSEMBLY

（アンプ Assy）

SPEAKER (TWEETER)

（スピーカ（ツイーター））

AMP ASSEMBLY

（アンプ Assy）

SPEAKER (WOOFER)

（スピーカ（ウーファー））

LED

DXR8/DXR10/DXR12/DXR15

● AMP ASSEMBLY（アンプAssy）

TWAMP ASSEMBLY

（TWAMPAssy）

（）

DC FAN

（DC ファン）

TWAMP

SUB1

SUB3

SUB4

AMPS

DSP

SUB2

DXR8/DXR10/DXR12/DXR15

DIMENSIONS（寸法図）

DXR8

280 280

458

DXR10

310305

355

50°

502

Unit（単位）: mm Unit（単位）: mm

DXR12 DXR15

Unit（単位）: mm Unit（単位）: mm

350362

601 402

50°

380445

456

700

50°

DXR8/DXR10/DXR12/DXR15

DISASSEMBLY PROCEDURE（分解手順）

A. Disassembly of DXR8/DXR10

A-1. Metal Grille Assembly

(Time required: About 1 minute)

A-1-1 Remove the six (6) screws marked [150]. The metal

grille assembly can then be removed. (Fig. A-1)

* When installing the metal grille assembly, ﬁrst

tighten the two (2) priority screws as shown in

Fig. A-1.

A-2. Speaker (Woofer)

(Time required: About 3 minutes)

A-2-1 Remove the metal grille assembly. (See procedure A-1.)

A-2-2 Remove the eight (8) screws marked [50]. The speaker

(woofer) can then be removed. (Fig. A-2, Fig. A-3)

* When installing the speaker (woofer), ﬁrst tighten

the four (4) priority screws in order as shown in

Fig. A-3.

A-2-3 Remove the LFSPOUT connector assembly (red/black)

attached to the speaker (woofer) terminal. (Fig. A-2,

Fig. A-4)

* The speaker (woofer) is heavy. Be careful not to drop

it.

A.DXR8/DXR10 の分解

A-1. メタルグリル Ass'y（所要時間：約 1 分）

A-1-1 [150] のネジ 6 本を外して、メタルグリル Ass'y を

外します。（図 A-1）

 ※ メタルグリル Ass'y 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-1）

A-2. スピーカ（ウーファー）

（所要時間：約 3 分）

A-2-1 メタルグリル Ass'y を外します。（A-1 項参照）

A-2-2 [50] のネジ 8 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、優先ネジ

4 本を図に示す順番で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 LFSPOUT 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。

Fig. A-1

（図A-1） Fig. A-2

（図A-2）

[50]

LFSPOUT CONNECTOR

ASSEMBLY (RED/BLACK)

（LFSPOUT 束線（赤/黒））

SPEAKER (WOOFER)

（スピーカ（ウーファー））

※This figure shows the DXR8.

（この図は、DXR8 です。）

PRIORITY SCREW

（優先ネジ）

PRIORITY SCREW

（優先ネジ）

[150]

METAL GRILLE ASSEMBLY

（メタルグリル Assy）

※This figure shows the DXR8.

（この図は、DXR8 です。）

DXR8/DXR10/DXR12/DXR15

A-3. Bafﬂe Assembly

(Time required: About 4 minutes)

A-3-1 Remove the metal grille assembly. (See procedure A-1.)

A-3-2 DXR8:

Remove the twelve (12) screws marked [30A]. The

bafﬂe assembly can then be removed. (Fig. A-5, Fig.

A-6)

DXR10:

Remove the fourteen (14) screws marked [30B]. The

bafﬂe assembly can then be removed. (Fig. A-5, Fig.

A-6)

* DXR8:

When installing the bafﬂe assembly, ﬁrst tighten the

four (4) priority screws as shown in Fig. A-6.

DXR10:

When installing the bafﬂe assembly, ﬁrst tighten the

six (6) priority screws in order as shown in Fig. A-6.

A-3-3 Disconnect the connectors of the LFSPOUT connector

assembly (red/black), HFSPOUT connector assembly

(yellow/blue) and C&C connector assembly (red/white)

from the amp assembly. (Fig. A-5, Photo A-1)

* Take care not to open the bafﬂe 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）

A-3. バッフル Ass'y（所要時間：約 4 分）

A-3-1 メタルグリル Ass'y を外します。（A-1 項参照）

A-3-2 DXR8：

 [30A] のネジ 12 本を外して、バッフル Ass'y を外

します。（図 A-5、図 A-6）

 DXR10：

 [30B] のネジ 14 本を外して、バッフル Ass'y を外

します。（図 A-5、図 A-6）

 ※ DXR8：

  バッフル Ass'y を取り付けるときは、図に示す優先ネジ

4 本を先に締めてください。（図 A-6）

  DXR10：

  バッフル Ass'y を取り付けるときは、優先ネジ 6 本を図

に示す順番で先に締めてください。（図 A-6）

A-3-3 アンプ Ass'y から LFSPOUT 束線（赤／黒）、

HFSPOUT 束線（黄／青）、C&C 束線（赤／白）

のコネクターを外します。（図 A-5、写真 A-1）

 ※ バッフル Ass'y 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）

[50]

[50] [50] [50]

SPEAKER (WOOFER)

（スピーカ（ウーファー））

SPEAKER (WOOFER)

（スピーカ（ウーファー））

● DXR10● DXR8

))

[50]

: PRIORITY SCREW

（優先ネジ）

RED MARKING

（赤マーク）

LFSPOUT CONNECTOR ASSEMBLY RED (+)

（LFSPOUT 束線赤（＋））

LFSPOUT CONNECTOR ASSEMBLY BLACK (–)

（LFSPOUT 束線黒（−））

SPEAKER (WOOFER)

（スピーカ（ウーファー））

DXR8/DXR10/DXR12/DXR15

Fig. A-5

（図A-5）

Fig. A-6

（図A-6）

Photo A-1

（写真A-1）

LFSPOUT CONNECTOR

ASSEMBLY (RED/BLACK)

（LFSPOUT 束線



（赤/黒））

C & C CONNECTOR

ASSEMBLY (RED/ WHITE)

（C & C 束線



（赤/白））

HFSPOUT CONNECTOR

ASSEMBLY (YELLOW/BLUE)

（

HFSPOUT 束線

（

黄/青

））

DXR8 : [30A] x 12

DXR10 : [30B] x 14

BAFFLE ASSEMBLY

（バッフル Assy）

※This figure shows the DXR8.

 （この図は、DXR8 です。）

● DXR10● DXR8

: PRIORITY SCREW

（優先ネジ）

[30A]

[30B]

[30A]

BAFFLE ASSEMBLY

（バッフル Assy）

4 4

/ /

AMP ASSEMBLY

（アンプ Assy）

LFSPOUT CONNECTOR

ASSEMBLY (BLACK)

（LFSPOUT 束線（黒）

LFSPOUT CONNECTOR

ASSEMBLY (RED)

（LFSPOUT 束線（赤））

C & C CONNECTOR

ASSEMBLY (RED)

（C & C 束線（赤））

C & C CONNECTOR

ASSEMBLY (WHITE)

（C & C 束線（白））

HFSPOUT CONNECTOR

ASSEMBLY (YELLOW)

（HFSPOUT 束線（黄））

HFSPOUT CONNECTOR

ASSEMBLY (BLUE)

（HFSPOUT 束線（青））

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