Harman Kardon HK 3390 Owners Manual - Page 24

TROUBLESHOOTING GUIDE SYMPTOM CAUSE SOLUTION Unit does not function when Main • No AC power Power Switch is pushed • Make certain AC power cord is plugged into a live outlet • Check to see whether outlet is switch-controlled Display lights, but there's no sound or picture • Intermittent input connections • Make certain that all input and speaker connections 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; light around Power Switch is red • Amplifier is in Protection mode due to possible short • Amplifier is in Protection mode due to internal problems • Check speaker-wire connections for shorts at receiver and speaker ends • Contact your local Harman Kardon service center Unit does not respond to remote commands • Weak batteries in remote • Remote sensor is obscured • Change remote batteries • 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 connected to HK 3390 • Wrong source selected • Video Monitor Output not connected to display • Wrong video input on video display selected • Audio-only source selected • Connect the source's composite video output to the correct video input on the HK 3390 • Press the correct Source Selector on the HK 3390 • Connect the HK 3390's Video Monitor Output to a composite video input on your television or video display • Consult the manual for your television for instructions on selecting the correct video input • 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 3390, or on installation-related issues, may be found in the list of "Frequently Asked Questions," which is located in the Product Support section of our Web site at www.harmankardon.com. 24