Harman-Kardon AVR 645 Digital Audio Outputs Connect these, AC Power Cord Jack Connect the AC

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Rear Panel Connections

8-Channel Direct Inputs: These jacks are used for connection to source devices such as DVD-Audio or SACD players with discrete analog outputs. Depending on the source device in use, all eight jacks may be used, though in many cases only connections to the front left/right, center, surround left/right and LFE (subwoofer input) jacks will be used for standard 5.1 audio signals.

Digital Audio Outputs: Connect these

jacks to the matching digital input connector on

adigital recorder such as a CD-R or MiniDisc recorder.

Video Monitor Outputs: Connect this jack to the composite and/or S-Video input of a TV monitor or video projector to view the on-screen menus and the output of any standard Video or S-Video source selected by the receiver’s video switcher.

DVD Video Inputs: Connect these jacks to the composite or S-Video output jacks on a DVD player or other video source.

Front Speaker Outputs: Connect these outputs to the matching + or – terminals on your left and right speakers. In conformance with the new CEA color code specification, the White ter- minal is the positive, or "+" terminal that should be connected to the red (+) terminal on Front Left speaker with the older color coding, while the Red terminal is the positive, or "+" terminal that should be connected to the red (+) terminal on Front Right speaker. Connect the black (–) ter- minals on the AVR to the black (–) terminals on the speakers. See page 16 for more information on speaker polarity.

Center Speaker Outputs: Connect these outputs to the matching + and – terminals on your center channel speaker. In conformance with the new CEA color code specification, the Green Terminal is the positive, or "+" terminal that should be connected to the red (+) terminal on speakers with the older color coding. Connect the black (–) terminal on the AVR to the black negative (–) terminal on your speaker. (See page 16 for more information on speaker polarity.)

Surround Speaker Outputs: Connect these outputs to the matching + and – terminals on your surround channel speakers. In confor- mance with the new CEA color code specifica- tion, the Blue terminal is the positive, or "+" ter- minal that should be connected to the red (+) terminal on the Surround Left speaker with older color coding, while the Gray terminal should be connected to the red (+) terminal on the Surround Right speaker with the older color cod- ing. Connect the black (–) terminal on the AVR to the matching black negative (–) terminals for each surround speaker. (See page 16 for more information on speaker polarity.)

Switched AC Accessory Outlet: This outlet may be used to power any device that you wish to have turn on when the AVR is turned on with the System Power Control switch 2.

USB Connector: Connect a cable with a USB “Mini B” connector to the AVR and the other end to a compatible computer running Windows® 2000, Windows® XP or higher with the latest service packs installed, to use this port to listen to audio from the computer through the AVR 645. This connection is also used to connect a compatible computer to the AVR for firmware upgrades, when available. See page 43 for more information on playback of computer audio with the AVR. Instructions for upgrades will accompa- ny the upgrade file download package.

AC Power Cord Jack: Connect the AC

power cord to this jack when the installation is complete. To ensure safe operation, use only the power cord supplied with the unit. If a replace- ment is required it must be of the same type and capacity.

Component Video 2 Inputs: These inputs may be used with any video source device equipped with analog Y/Pr/Pb or RGB component video outputs. The factory default is for these jacks to be a linked to the Video 2 input, but you may change the setting at any time through the IN/OUT SETUP menu. See page 16 for more information on configuring the component video inputs.

Monitor Component Video Outputs:

Connect these outputs to the component video inputs of a video projector or monitor. When a source connected to one of the two

Component Video Inputs

is selected the

signal will be sent to these jacks.

 

Component Video 1 Inputs: These inputs may be used with any source device equipped with analog Y/Pr/Pb or RGB component video outputs. The factory default is for these jacks to be a linked to the Video 1 input, but you may change the setting at any time through the IN/OUT SETUP menu. See page 16 for more information on configuring the component video inputs.

Note: All component inputs/outputs can be used for RGB signals too, in the same way as described for the Y/Pr/Pb signals, then connected to the jacks with the corresponding color.

RGB connection is not possible if the source out- puts a separate sync signal (see page 17).

Remote IR Output: This connection permits the IR sensor in the receiver to serve other remote controlled devices. Connect this jack to the “IR IN” jack on Harman Kardon or other compatible equipment.

Remote IR Input: If the AVR’s front-panel IR sensor is blocked due to cabinet doors or other obstructions, an external IR sensor may be used. Connect the output of the sensor to this jack.

Multiroom IR Input: Connect the output of an IR sensor in a remote room to this jack to operate the AVR’s multiroom control system.

Video 1 Video Outputs: Connect these jacks to the RECORD/INPUT composite or S-Video jack on a VCR.

Video 1 Video Inputs: Connect these jacks to the PLAY/OUT composite or S-Video jacks on a VCR or other video source.

HDMI Output: Connect this jack to the HDMI input on a compatible HDMI-equipped video display.

Video 3 Video Inputs: Connect these jacks to the PLAY/OUT composite or S-Video jacks on any video source.

Video 2 Video Inputs: Connect these jacks to the PLAY/OUT composite or S-Video jacks on a second VCR or other video source.

Optical Digital Inputs: Connect the optical digital output from a DVD player, HDTV receiver, LD player, MD player or CD player to these jacks. The signal may be either a Dolby Digital signal, a DTS signal, a 2 channel MPEG 1 signal, an HDCD data stream or a standard PCM digital source.

8REAR PANEL CONNECTIONS

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Contents AVR 645 Audio/ Video Receiver Table of Contents Declaration of ConformityDescription and Features IntroductionUnpacking Introduction / Safety InformationImportant Safety Information Front Panel Controls More information To select between the OpticalCoaxial Ó Rear Panel Connections Surround Left Blue Surround Right Gray Surround Back LeftSurround Back Right Tan Subwoofer LFE Digital AudioAC Power Cord Jack Connect the AC Digital Audio Outputs Connect theseDigital recorder such as a CD-R or MiniDisc recorder Monitor Component Video OutputsRemote IR Carrier Output The output AVR 645 when appropriate upgrades are available+ and negative terminals Main Remote Control Functions Light ButtonChannel Direct Inputs the input Movies Disc Skip Button This button has noMain Remote Control Functions  The Bridge /DMP Selector Zone II Remote Control FunctionsPower Off B AVR Selector Media Player DMP Connector Optional is connected to DigitalInstallation and Connections Audio Equipment ConnectionsAnalog Video Equipment Connections Output jacksHdmi Connections Hdmi Input ConnectionsVideo Inputs Connection NotesHdmi Output Connections Scart A/V ConnectionsTo the Video 2 or Video 3 Video Audio Important Note for Adapter CablesWith Scart that cannot be switched and pro- vided by the AVR Important Note for the Use SCART-Cinch AdaptersSystem and Power Connections Main Room Remote Control ExtensionBUS Installation Connections Multiroom IR LinkSpeaker Placement AC Power ConnectionsSpeaker Selection USB ConnectionsTo manually configure your surround back speaker Channel system for your main listening area seeSystem Configuration Using the On-Screen DisplaySystem Setup First Turn OnIn/Out Setup C O U T A L O G Video Monitor Settings Audio SetupSurround Setup Surround Config then press the Set Button FQUsing EzSet/EQ Night Mode SettingsC K So that on is highlighted and press the Set Button F R F I E L D E QSpeaker Size Manual SetupSpeaker Size Menu LFE Low-Pass-Filter Setting SmallSub Mode Setting Delay SettingsFollowing options are available Subwoofer SizeOutput Level Adjustment Volume until you can hear the test noise clearly SetupAdditional Input Adjustments Channel Surround Mode ChartOperation Theater Channel presentation of two-channel stereo programsChannel/8-Channel Direct Input Basic OperationSource Selection Repeatedly to scroll through the list of available modes Surround Mode SelectionVolume Up/Down Buttons Digital Audio Playback Until Surr OFF appears in the Main Information Display ˜Dolby Digital Rear panel Or front panel *ÓUSB Playback Digital Bitstream IndicatorsSelecting a Digital Source Night Mode Speaker/Channel IndicatorsAudio, while the main feature is available Using Tape RecordingFront Panel In/Outputs Puts for Tape OutputsOutput Level Adjustment With Source Signals Memory BackupNormal output level adjustment for EzSet/EQ On/OffAdvanced Features Turn On Volume LevelFront-Panel-Display Fade Display BrightnessDMP/ TheBridgeTMAuto Power Semi-OSD SettingsFull-OSD Time Out Adjustment Multiroom Operation Multiroom OperationInfrared Output Selection Multiroom IR InputIR Output Full Carrier IR OutputRDS Operation Tuner OperationBasic Tuner Operation Program Search PTY Up/Down button # until RDS only appears in the displayConfiguring the Remote Preprogrammed Code EntryFor Button F appearsLearning Commands Automatic Code EntryPress the ¤ Navigation Button E until Learning Codes for an Input SelectorDevice Priority Changing Devices Macro ProgrammingAt the next menu screen press Power On VID 2/TV VID 3/Cable AVR Logic 7 OErasing a Macro Punch-Through Configuration Volume Punch-ThroughReturning the Volume Control Settings to Default Operation ButtonsReturning the Channel Control Settings to Default Operation At the next menu screen, press the ⁄¤Transport Punch-Through Navigation Buttons E untilRenaming ‹ /› Navigation Buttons E as requiredSee page 54 for more information Resetting the RemoteAt this point you have two options Additional Notes on Configuring and Operating the Remote Backlight OptionsTroubleshooting Guide Processor ResetPower Switch 1 is pushed Press the AVR Selector BSystem Default and Personal Settings Worksheets System DefaultsVideo Input Defaults Worksheet D System Defaults and Settings Worksheet B Surround Configuration Defaults and SettingsWorksheet C Delay Defaults and Setting Worksheet E Input Settings USBTechnical Specifications Harman Consumer Group, Inc

AVR 645 specifications

The Harman-Kardon AVR 645 is a standout receiver that appeals to audiophiles and home theater enthusiasts alike. This model is known for its rich sound quality, extensive features, and user-friendly interface, making it a solid choice for anyone looking to enhance their home entertainment experience.

At the heart of the AVR 645 is its robust amplification system. With a power output of 55 watts per channel at 8 ohms, the receiver provides ample power to drive a variety of speakers. The incorporation of Harman-Kardon's patented Logic 7 processing technology allows for an immersive surround sound experience, creating a sense of depth and realism in audio playback. This feature is particularly beneficial for film and gaming, as it helps to create a multidimensional soundstage that pulls viewers into the action.

The AVR 645 supports a variety of audio formats, including Dolby Digital, DTS, and Pro Logic II, ensuring compatibility with a wide range of media. The receiver is equipped with multiple audio inputs and outputs, including HDMI, optical, and coaxial connections, allowing users to easily connect their DVD players, gaming consoles, and other devices. Additionally, it features a built-in AM/FM tuner for those who enjoy traditional radio.

In terms of video capabilities, the AVR 645 is highly versatile, supporting both standard and high-definition video formats. The receiver includes multiple HDMI inputs, facilitating easy switching between different high-definition sources without compromising video quality. The ability to upconvert lower resolution video to near-HD quality further enhances the viewing experience, making it a great choice for those with diverse video content.

User-friendliness is another highlight of the AVR 645. The intuitive on-screen user interface makes it easy to navigate settings and setup configurations. The Zone II feature allows for audio playback in another room, expanding the potential for whole-home audio solutions.

Ultimately, with its blend of power, quality, and versatility, the Harman-Kardon AVR 645 remains a respected choice among home theater systems, ensuring an elevated audio and visual experience for all users.
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