For the TV

Troubleshooting

Track Skip or direct select with numeric buttons, Search, Slow-motion play, repeat play or Program play, etc., cannot be done.

•Depending on the DVD or VCD, some of the above operations may not be available (Playback control).

Messages do not appear on the TV screen in the language you want.

•Select the language for Display and Preferred Subtitle in the SETUP menu (see page 21). For all messages from the DVD (DVD menu, subtitles) in the proper language, the disc must have the language you selected, if not, another language will be selected.

The audio language cannot be changed when you play a DVD.

•Multilingual sound is not recorded on the DVD.

•Changing the language for the sound by the Audio button on the remote or the Audio line in the Player Menu is prohibited on the DVD. In that case the audio language must be selected by the main menu on the DVD.

The subtitle language cannot be changed when you play a DVD.

•Multilingual subtitles are not recorded on the DVD.

•Changing the language for the subtitles by the Subtitle button on the remote or the Subtitle line in the Player Menu is prohibited on the DVD. In that case the subtitle language must be selected by the main menu on the DVD.

The subtitles cannot be turned off when you play a DVD.

•Depending on the DVD, you may not be able to turn the subtitles off.

The angles cannot be changed when you play a DVD.

•Multi-angles are not recorded on most DVDs.

•Change the angles when the angle mark appears on the TV screen.

•Changing the angles is prohibited on some DVDs.

The system does not operate properly.

•Static electricity, etc., may affect the system’s operation.

Disconnect the AC power cord, then connect it again.

Please also refer to the Troubleshooting guide contained in your loudspeaker Owners Manual

Defect	Possible cause	Possible remedy

No picture although the mains plug is inserted and the unit is switched on.

•Mains switch in position ”0” (OFF).

•Mains plug of unit is not inserted into the plug receptacle.

•The HDMI cable is not properly inserted.

•Defective mains cable.

•Shift mains switch to position ”I”.

•Insert the mains cable plug into the plug receptacle.

•Insert the HDMI cable firmly.

•Call the service hotline.

Screen dark.

• Contrast setting too low.

•Set the brightness and/or contrast correctly (see Picture Calibration).

• No input signal, wrong input selected.

•Check the connection cable; assign correct input to source.

Weak or excessive colours.

• Colour not correctly set.

•Set the colour correctly (see Picture Calibration).

	• Connection cable not correctly connected.	• Connect the cable correctly.

The picture is too large or too small.	• Picture format set wrongly.	• Repeatedly press the Screen Format Button
		until the picture is displayed as full
		screen.

The displayed picture is too dark.

• The picture quality is not set correctly.

•Correct the picture brightness and contrast (see Picture Calibration)

The picture is displayed,	• The sound is switched to mute.
but there is no sound.
	• The Coaxial Digital Audio cable is not properly
	inserted.

•Press the Mute Button A on the remote control.

•Insert the Coaxial Digital Audio cable firmly.

• Volume is set to minimum.	• Increase the volume.

Horizontal stripes with TV	• Signal source is placed in front of the display.
or video signals.

•Always place the signal sources on the side of or behind the display.

48TROUBLESHOOTING

640, 646, 632 specifications

Harman Kardon is a renowned name in the world of high-fidelity audio, consistently delivering products that merge technology with stunning design. Among its notable offerings are the models 632, 646, and 640, each catering to audiophiles and casual listeners alike, with features that elevate the listening experience.

The Harman Kardon 632 is celebrated for its robust build quality and sleek aesthetics. This model combines a powerful amplifier with high-performance speakers, ensuring rich, clear sound reproduction. One of its main features is the inclusion of advanced Dolby Digital decoding, which enables users to enjoy cinema-like audio quality at home. The 632 also boasts a wide frequency response, allowing for crisp highs and deep lows, making it perfect for music, movies, and games alike.

On the other hand, the 646 model takes the performance a step further. It is designed with multiple connectivity options, including Bluetooth, HDMI, and USB inputs, ensuring seamless integration with various devices. The 646 incorporates Harman Kardon's proprietary signal processing technology, which optimizes sound output based on the specific acoustics of the environment. This model also features multi-room audio capabilities, allowing users to enjoy their favorite tunes in different spaces without any hassle. The intuitive user interface enhances the overall experience, making it easy to switch between sources and adjust settings.

Lastly, the Harman Kardon 640 model distinguishes itself with its compact size without compromising sound quality. It is equipped with a powerful built-in amplifier and high-efficiency speakers that deliver impressive audio output. The 640 is engineered with cutting-edge wireless streaming capabilities, letting users access their favorite music platforms with ease. Additionally, it supports voice control integration, making it compatible with smart home ecosystems.

All three models share common characteristics synonymous with Harman Kardon: exceptional audio clarity, innovative design, and versatility in usage. Whether it’s for enjoying a quiet evening of music, an immersive movie night, or hosting a party, the 632, 646, and 640 stand out as excellent choices for anyone looking to enhance their auditory experience. Each model reflects the brand’s commitment to quality, technology, and satisfaction, making them worthy contenders in the competitive audio market.

Harman-Kardon 646, 632, 640 owner manual For the TV

Models: 640 646 632