Page 2 - Explanation of Graphical Symbols; IMPORTANT SAFETY INSTRUCTIONS; C A U T I O N
XMV4280/XMV4140 Owner’s Manual 2 The above warning is located on the top of the unit. Explanation of Graphical Symbols The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclos...
Page 3 - COMPLIANCE INFORMATION STATEMENT; IMPORTANT NOTICE FOR THE UNITED KINGDOM
XMV4280/XMV4140 Owner’s Manual 3 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifi-cations not expressly approved by Yamaha may void your authority, granted by the FCC, to use the produ...
Page 4 - PRECAUTIONS; PLEASE READ CAREFULLY BEFORE PROCEEDING; * Please keep this manual in a safe place for future reference.
XMV4280/XMV4140 Owner’s Manual 4 PRECAUTIONS PLEASE READ CAREFULLY BEFORE PROCEEDING * Please keep this manual in a safe place for future reference. WARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiti...
Page 5 - NOTICE; Handlin; Savin; Information; About this manual
XMV4280/XMV4140 Owner’s Manual 5 • Do not insert your fingers or hands in any gaps or openings on the device (vents). • Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any gaps or openings on the device (vents) If this happens, turn off the power immediately and unplug...
Page 6 - Contents; Usin
XMV4280/XMV4140 Owner’s Manual 6 Contents Introduction..................................................................................................................... 7 Features ........................................................................................................................
Page 7 - Introduction; Features; Firmware Updates; Precautions for Rack Mountin
XMV4280/XMV4140 Owner’s Manual 7 Introduction Thank you for your purchase of the Yamaha XMV4280 or XMV4140 power amplifier. Please read through this manual carefully before beginning use, so that you will be able to take full advantage of your power amplifier’s superlative features and enjoy trouble...
Page 8 - Controls and Functions; Front Panel
XMV4280/XMV4140 Owner’s Manual 8 Controls and Functions q Power Switch Turns power to the unit ON or OFF. Setting the switch to the upward position turns the power on; the [POWER] indicator will light green. Setting the switch to the downward position turns the power off. If the switch is in the upw...
Page 10 - Rear Panel
Controls and Functions XMV4280/XMV4140 Owner’s Manual 10 !7 NETWORK connector This is a 100BASE-TX Ethernet connector that allows the unit to be connected to a computer via an Ethernet cable. !8 [YDIF] connectors These are RJ-45 connectors that allow the unit to be con-nected via an Ethernet cable t...
Page 13 - Setup; Rack-mounting the unit; Cable preparation
XMV4280/XMV4140 Owner’s Manual 13 Setup This chapter explains how to set up the XMV to input analog signals.If you are using the XMV along with the MTX, refer to the “MTX Setup Manual.” Here we will make and verify the input/output settings as out-lined below. Rack-mounting the unit Refer to “Prec...
Page 14 - Making settings for speaker output; When using low impedance connections
Setup XMV4280/XMV4140 Owner’s Manual 14 1. Loosen terminal screws. 2. Insert cables. 3. Securely ti g hten terminal screws. Pull the cables (not too strongly) to confirm that they are securely connected. 4. Bundle the cables and the Euroblock tab usin g the supplied cable tie. 5. Insert the Eurobloc...
Page 15 - When using high impedance connections; Connecting the speaker output connectors; If using a spade lug; Connecting the power cord
Setup XMV4280/XMV4140 Owner’s Manual 15 When using low impedance connections with Double Power mode If you use Double Power mode, input/output will be dis-abled for channel B and channel D.Depending on the impedance (4Ω or 8Ω) of the connected speakers, set the [SPEAKERS] DIP switches as follows. ...
Page 16 - Turning the power on; Enabling analog input; for which you want to make HPF settin
Setup XMV4280/XMV4140 Owner’s Manual 16 Turning the power on Use the front panel power switch to turn the power on. Enabling analog input Using the front panel, enable analog input as follows. 1. While holdin g down the [FUNCTION] but- ton, turn the encoder to make the display indicate “ SRC .” ...
Page 17 - Checking the wiring; Changing the attenuator setting; Switching the mute setting on/off; Locking the panel
Setup XMV4280/XMV4140 Owner’s Manual 17 Checking the wiring Here we’ll explain how to change the attenuation settings and switch muting on/off, which you will need to do when checking the wiring.Before you check the wiring, we recommend that you set the attenuator of all channels to the lowest set...
Page 18 - an LED to indicate the
XMV4280/XMV4140 Owner’s Manual 18 Using and connecting the [REMOTE] connector and [FAULT OUTPUT] connector This chapter explains how to use and connect the [REMOTE] connector and [FAULT OUTPUT] con-nector located on the rear panel of the XMV. You can connect switches to the rear panel [REMOTE] conne...
Page 19 - hten terminal screws.
Usin g and connectin g the [REMOTE] connector and [FAULT OUTPUT] connector XMV4280/XMV4140 Owner’s Manual 19 You must use the supplied Euroblock plugs when making con-nections to the [REMOTE] connector or [FAULT OUTPUT] connector.If these have been lost, please contact your Yamaha dealer. 1. Loosen ...
Page 20 - List of Front Panel Operations; The “; Basic Operations
XMV4280/XMV4140 Owner’s Manual 20 List of Front Panel Operations This chapter describes the operations you can perform from the front panel. The “+” symbol indicates that you should “operate the control listed at right while operating the control listed at left.” For example, “[SELECT] A + [SELECT] ...
Page 21 - Parameter Operations
List of Front Panel Operations XMV4280/XMV4140 Owner’s Manual 21 Parameter Operations To do this... Operation Description Editing the attenuator value (vol-ume) of channel X When the operating mode is atten-uator ( ATT ), [SELECT] X encoder The [SELECT] indicator of the selected channel will lit...
Page 22 - Initializing the Internal Memory; The following memory is initialized.
XMV4280/XMV4140 Owner’s Manual 22 Initializing the Internal Memory Execute the following procedure when you want to return the internal memory settings to their factory-set state, such as when the amplifier has been moved to a different location.To initialize the internal memory, power-off the XMV; ...
Page 23 - Troubleshooting
XMV4280/XMV4140 Owner’s Manual 23 Troubleshooting * If taking the above steps does not solve the problem, contact your Yamaha dealer for repair. Symptom Possible causes Possible solution The power won’t turn on The power cord is disconnected Connect the power cord. No sound is heard The analog/digit...
Page 24 - Alert Numbers and Content
XMV4280/XMV4140 Owner’s Manual 24 Alert Numbers and Content If a problem occurs in the XMV, an alert number will appear in the display.The alert numbers, the corresponding content, and the appropriate actions are listed below. Number Description Action to take Device problem No display The device ha...
Page 25 - High-impedance and Low-impedance Connections; High Impedance
XMV4280/XMV4140 Owner’s Manual 25 High-impedance and Low-impedance Connections For a high-impedance connection a speaker transformer that raises the impedance to several hundred or thousand ohms is added to the speaker system. This allows the speaker system to be effectively driven with much lower c...
Page 26 - Transmission Distance and Efficiency
Hi g h-impedance and Low-impedance Connections XMV4280/XMV4140 Owner’s Manual 26 The cables that transmit electric signals have resistance. The resistance in short cables is small enough that it can be ignored, but as transmission distance and cable length increase, resis-tance can increase to the p...
Page 27 - MEMO
Page 28 - Specifications
XMV4280/XMV4140 Owner’s Manual 201 Specifications XMV4280 XMV4140 Output Power 100V, 120V, 230–240V 50Hz/60Hz 1kHz, THD+N=1%(20 ms Burst) 4 Ω 280W 140W 8 Ω 280W 140W 4 Ω / DOUBLE POWER MODE 560W 280W 8 Ω / DOUBLE POWER MODE 560W 280W High Impedance 100V (RL=40Ω/XMV4280, RL=80Ω/XMV4140) 250W 125W 70V...
Page 30 - Dimensions
XMV4280/XMV4140 Owner’s Manual 203 XMV4280/XMV4140 Block Diagram G HA ATT AD YDIF In O u t I N PUT MIX Inp u t: Analog: 4 YDIF: 4 Dante: 4 O u tp u t: 4 LIMITER MUTE OFF 40Hz 8 0Hz SIG N AL (I N ) HPF POLARITY LIMIT DA PROTECTIO N AMP PROTECTIO N LOGIC TEMP OUTPUT V OLTAGE DC-FAULT I N TEGRAL OUTPUT...
Page 31 - Current Draw
XMV4280/XMV4140 Owner’s Manual 204 Current Draw XMV4280 Power Specifications (PINK NOISE, 100V/50Hz mains) Power Specifications (PINK NOISE, 120V/60Hz mains) MODE Line Current (A) Power consumption (W) Watts Dissipated (W) Heat Dissipation Btu/h kcal/h standby 280W/4Ω 0.3 15 15 51 13 280W/8Ω 560W/...
