TROUBLESHOOTING GUIDE

SYMPTOM

CAUSE

SOLUTION

 

 

 

Unit does not function when Main

• No AC power

• Make certain AC power cord is plugged into

Power Switch is pushed

 

a live outlet

 

 

• Check to see whether outlet is switch-controlled

 

 

 

Display lights, but there’s no

• Intermittent input connections

• Make certain that all input and speaker connections

sound or picture

 

are secure

 

• Mute is on

• Press Mute Button

 

• Volume Control is down

• Turn up Volume Control

 

• Desired source not selected

• Press correct Source Selector

 

• Speakers deactivated

• Press Speaker 1 or Speaker 2 Button

 

• Headphones are in use

• Unplug headphones

 

• Jumper pins between Preamp Outputs

• Replace jumper pins or, if external amplifier

 

and Main-Amp Inputs were removed

is in use, make sure it is turned on

 

 

 

No sound from any speaker;

• Amplifier is in Protection mode

• Check speaker-wire connections for shorts at receiver and

light around Power Switch is red

due to possible short

speaker ends

 

• Amplifier is in Protection mode

• Contact your local Harman Kardon service center

 

due to internal problems

 

 

 

 

Unit does not respond to

• Weak batteries in remote

• Change remote batteries

remote commands

• Remote sensor is obscured

• Make certain front-panel sensor is visible to remote

 

 

or connect an optional remote sensor

 

 

 

Intermittent buzzing in tuner

• Local interference

• Move unit or antenna away from computers, fluorescent

 

 

lights, motors or other electrical appliances

 

 

 

Audio sources sound distorted

• CD player or other audio device

• Only plug a device into the Phono Inputs if it is a

 

incorrectly plugged into Phono Inputs

turntable with a moving-magnet cartridge, or if it is a

 

 

turntable with a moving-coil cartridge with a phono preamp

 

• Turntable not plugged into Phono Inputs • Do not use a turntable with any inputs other than the Phono

 

 

Inputs, unless it has a moving-magnet-type cartridge and

 

 

includes a phono preamp

 

 

 

No video image

• Source device’s video output not

• Connect the source’s composite video output to

 

connected to HK 3490

the correct video input on the HK 3490

 

• Wrong source selected

• Press the correct Source Selector on the HK 3490

 

• Video Monitor Output not connected

• Connect the HK 3490’s Video Monitor Output to a composite

 

to display

video input on your television or video display

 

• Wrong video input on video

• Consult the manual for your television for instructions on

 

display selected

selecting the correct video input

 

Audio-only source selected

• It is not possible to view video while listening to the

 

 

Phono, Tape/CDR or CD sources or to the tuner

In addition to the items shown above, additional information on troubleshooting possible problems with your HK 3490, or on installation-related issues, may be found in the list of “Frequently Asked Questions,” which is located in the Product Support section at www.harmankardon.com.

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Harman-Kardon HK3490 owner manual Troubleshooting Guide

HK3490 specifications

The Harman-Kardon HK3490 is an exceptional stereo receiver that combines power, versatility, and timeless design to cater to audiophiles and casual listeners alike. Known for its impressive sound quality, the HK3490 is a solid choice for anyone looking to enhance their home audio experience.

One of the standout features of the Harman-Kardon HK3490 is its powerful amplification. With a 120 watts per channel output, this receiver is capable of driving even demanding speakers with ease. Whether you're enjoying a quiet evening at home or hosting a lively gathering, the HK3490 delivers clean, dynamic sound that fills any room. The unit is equipped with an advanced high-current, low-impedance design, ensuring robust performance across a wide range of speakers.

In terms of connectivity, the HK3490 is equipped with an array of options. It offers multiple audio inputs, including six stereo line inputs, a dedicated phono input for vinyl enthusiasts, and a 2-channel tape monitor, allowing users to connect various audio sources seamlessly. The receiver also features a built-in AM/FM tuner with 30 presets, making it easy to enjoy your favorite radio stations.

The HK3490 further incorporates sophisticated technologies designed to enhance sound quality. Harman-Kardon's proprietary technologies, such as the Logic 7 processing, provide a rich, immersive audio experience that preserves the integrity of the original recording. This technology ensures that stereo signals are transformed into a surround sound experience, making your music, movies, or games more engaging.

Another important aspect of the HK3490 is its aesthetic appeal. The receiver features a sleek, classic design with a brushed aluminum front panel complemented by a large, easy-to-read display. The intuitive layout of knobs and dials makes it user-friendly, allowing for easy adjustments to volume and tuning.

Moreover, the HK3490 is designed with durability in mind. Its robust construction ensures that it can handle the rigors of daily use, while its thermal protection circuits prevent overheating, allowing for reliable performance over extended periods.

In summary, the Harman-Kardon HK3490 is a versatile, high-performance stereo receiver that caters to a wide range of audio needs. With its powerful amplification, extensive connectivity options, and advanced sound technologies, it stands out as a premium choice for anyone looking to elevate their listening experience. Whether you are a seasoned audiophile or simply enjoy quality sound, the HK3490 is a worthy addition to any audio setup.