HK630
Integrated Amplifier
Service MANUAL
Troubleshooting
ENGLISH
This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem, first check this list for a possible solution. If the problem persists, consult your authorized Harman/Kardon Service Center.
IF THE PROBLEM IS... |
MAKE SURE THAT... |
No lights illuminate when POWER cord is plugged into AC outlet |
• The unit is plugged into a live outlet |
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No sound is heard |
• Speaker switches corresponding to the desired speakers are pressed |
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• Correct source button has been pressed |
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• Volume is turned up |
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• Speaker wires are connected properly |
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• Hook-up wires to source component are connected properly |
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Sound is not heard from the speaker system on one side |
• The speaker wires and connection wires are connected correctly |
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• The balance control knob is set to the center |
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When listening to stereo sound, the left and right sounds are reversed |
• The speaker wires are connected correctly |
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• The wires between components are connected correctly |
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Intermittent or continuous buzzing or hissing |
• The unit is away from fluorescent lights, TV, motors and other electrical appliances |
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The remote control and front panel controls don't appear to work |
• Disconnect the AC line cord from the wall socket, wait 5 minutes and then re-connect it |
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Phone sound is too faint, has hum, ringing, or »howl« |
• Ground wire from turnable has been connected to ground terminal on amplifier |
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• Cable from turntable is away from power cords and speaker cables |
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• Turntable is away from speakers |
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• Turntable is on stable surface |
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Specifications
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HK630 |
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NOMINAL |
Continuous Average Power Per Channel (FTC) |
8 Ohms: |
40 Watts@<0.09%THD |
20Hz – 20 kHz, both channels driven |
4 Ohms: |
60 Watts@<0.3%THD |
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Dynamic Power (IHF, 1kHz Tone Burst) |
8 Ohms: |
70 Watts |
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4 Ohms: |
100 Watts |
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2 Ohms: |
135 Watts |
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High instantaneous current capability (HCC) |
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±40 Amps |
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Power Bandwidth @ Half-Rated output, 8Ω |
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<10Hz - 100kHz |
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Frequency response @ 1W (+0/-3dB) |
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0.5Hz - 100kHz |
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Damping factor |
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120 |
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Signal-to-noise Ratio (Reference rated power output, A-WTD) |
Tuner/CD |
90 dB |
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Phono (MM): |
80 dB |
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Input sensitivity/Impedance |
Tuner/CD |
150mV/43kΩ |
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Phono (MM): |
2.5mV/47kΩ, 125pF |
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Phono-Overload: |
Phono (MM): |
100 mV |
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Tone control range, Bass @ 50 Hz/Treble @ 10kHz |
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±10 dB/±10 dB |
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Power supply: |
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AC 230V, 50/60 Hz |
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Power consumption: |
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230 W |
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Dimensions (Width × Height × Depth): |
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443 × 91 × 359 mm |
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Weight: |
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6.4 kg |
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ENGLISH
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