Mark Levinson 433 owner manual Troubleshooting, Danger

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Troubleshooting

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Danger!

Mark Levinson

Troubleshooting

Incorrect operation is sometimes mistaken for malfunction. If problems occur, refer to this section for troubleshooting infor- mation. If problems persist, contact an authorized Mark Levinson dealer or Customer Service at www.marklevinson.com.

1. No audio and the front-panel indicator LED is not lit.

•Examine ~ac mains connections to ensure the power cord is connected to the ~ac mains connector and the electrical outlet.

•Make sure the Nº433 is powered on with the power button.

•Examine the electrical circuit breaker to ensure that power is supplied to the electrical outlet to which the Nº433 is connected.

•A power loss or power outage may have occurred. In this case, power cycle the Nº433 with the power button, waiting at least five minutes between powering the Nº433 off and on.

•A fuse may be blown inside the Nº433. In this case, disconnect the power cord from the ~ac mains connector and the electrical outlet. Then, contact an authorized Mark Levinson dealer. Do not attempt to replace the fuse. There are no user-serviceable parts within the Nº433.

Potentially dangerous voltages and current capabilities exist within the Nº433, even when power is disconnected from the ~ac mains connector. DO NOT attempt to open the amplifier’s cabinet. There are no user-serviceable parts inside the amplifier. Refer all servicing to an authorized Mark Levinson dealer.

2. No audio and the front-panel indicator LED is dimly lit.

•The Nº433 is in sleep mode. To take it out of sleep mode, press and release the standby button..

•A power loss or power outage may have occurred. In this case, power cycle the Nº433 with the power button, waiting at least five minutes between powering the Nº433 off and on.

3.No audio and the front-panel indicator LED is blinking slowly.

•The Nº433 is in standby. To take it out of standby, press and release the standby button. The Nº433 will power on.

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Contents No433 Power Amplifier Important Safety Instructions operate the equipment FCC NoticeImportant Safety Instructions 2005 Harman Specialty Group. All rights reserved Table of Contents Unpacking Product RegistrationVentilation Installation ConsiderationsPlacement Mark Levinson Power Requirements Warm-up& Break-InPeriod2. Sleep Mode Operating States1. Off 3. StandbySpecial Design Features Massive Power Supply Balanced DesignMark Levinson Extensive ProtectionThese fault conditions include Front Panel 1. Indicator LEDMark Levinson 2. Power Button3. Standby Button 2. Loudspeaker Binding Posts Outputs Rear Panel1. Rear Panel Handles 3. Unbalanced Input 5. RS-232Communications Port Nº433 Power Amplifier4. Balanced Input 6. Communication PortsMark Levinson 7. trigger in and out connectors8. power save mode switch Danger 9. ~ac mains connectorLinking Making Link Connectionscommunication port specifications for other Constructing Link Communication CablesNº433 Power Amplifier tation for Link orComponent Creating a Slave ChainMark Levinson Requirements and ConnectionsTo create a slave chain that includes the Nº433 Nº433 Power AmplifierPower Amplifier No40 Media ConsoleMark Levinson Power Amplifier Link ControlsNº433 Power Amplifier Note the followingTroubleshooting DangerNº433 Power Amplifier Mark Levinson 8. The amplifier keeps powering off9. If all else fails Care & Maintenance Nº433 Power AmplifierSignal to Noise ratio Input impedance SpecificationsRated power output Frequency response Power consumption Mains voltageStandards to which Conformity is Declared Declaration of ConformityApplication of Council Directives ManufacturerMark Levinson Dimensionsstandby power 17.75 45.09 cmRack-Mounting Part No. 070-630694 Rev 1 09/05
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