Harman Kardon HK6600 Owners Manual - Page 10
Pre-Out/Main-In
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Most of the problems consumers have with their high fidelity system are due to incorrect operation. If this unit does not operate as you intended, first check the items in the following checklist. Also check other related components such as the tuner, turntable, speakers and other electrical equipment you use with this amplifier. Problem Cause Remedy The POWER indicator does not light up when the POWER switch is pressed. • The power cord is not plugged in. • Plug in the power cord securely. The POWER indicator lights up, but no sound is heard. • The TAPEMONITOR selector is in the f or 2 position. • The FUNCTION selection was not made properly. • The SPEAKERS selector is in the Off position. • The Pre-Out/Main-In switch is pressed to the Separate position. • The speaker wires are disconnected or broken. • Set the TAPE MONITOR selector to the Source position. • Set the FUNCTION selector to the proper position for the desired program source. • Set the SPEAKERS selector to the position of your desired speaker systemis). • Release the Pre-Out/Main-In switch to the Integrated position. • Check the speaker wires and connect them correctly. Sound is not heard from the speaker system on one side. • The connection of speaker wires is incorrect or incomplete. • The connection wires to other equipment are disconnected. • The BALANCE control knob is turned to either the extreme right or left position. • Check the speaker wires for disconnection or breaking and reconnect them correctly. • Check the wires for disconnection and connect them correctly. • Set the mark on the BALANCE control knob to the center position. Tone control is not functioning. • The Tone Defeat switch is depressed. • Release the Tone Defeat switch (button out). When l istening to stereo sound, the left and right sounds are reversed. • The left and right speaker wires are reversed. • The left and right wires connected to other equipment are reversed. • Check the speaker wires and connect them correctly. • Check the wires to other equipment and connect them correctly. When playing a turntable, a low-pitched noise ("hum" or "buzz") is heard. • The ground wire of the turntable is disconnected. • The connections of the turntable wires are incorrect or incomplete. • Make the ground wire connection correctly. • Insert the turntable wires into the PHONO jacks of this unit securely. When increasing the volume level while playing a turntable, an undesirable prolonged sound (howling) is heard. • "Howling is created by the speakers and turntable. • Too much low frequency sound is present. • Place the speakers further away from the turntable. • Place the turntable on a more solid surface. • Decrease the setting of the BASS control knob and/or turn off the Phase-Correct Loudness switch. • Turn on the Subsonic filter switch. Sound quality is poor. • Input components have not been set up correctly. • Tone control is not proper. • Check the antenna of the tuner, cartridge of the turntable, or head of the tape deck, etc. and make corrections as needed. • Adjust the BASS and/or TREBLE control knobs to obtain the desired tone. Recordings cannot be made. • The RECORD OUT selector is in the Off • Set the RECORD OUT selector to the position. Source position. 9