Harman Kardon HK630 User manual

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
No sound is heard • Speaker switches corresponding to the desired speakers are pressed
• Correct source button has been pressed
• Volume is turned up
• Speaker wires are connected properly
• Hook-up wires to source component are connected properly
Sound is not heard from the speaker system on one side • The speaker wires and connection wires are connected correctly
• The balance control knob is set to the center
When listening to stereo sound, the left and right sounds are reversed • The speaker wires are connected correctly
• The wires between components are connected correctly
Intermittent or continuous buzzing or hissing • The unit is away from fluorescent lights, TV, motors and other electrical appliances
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
Phone sound is too faint, has hum, ringing, or »howl« • Ground wire from turnable has been connected to ground terminal on amplifier
• Cable from turntable is away from power cords and speaker cables
• Turntable is away from speakers
• Turntable is on stable surface

ENGLISH
Specifications
HK630
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
Dynamic Power (IHF, 1kHz Tone Burst) 8 Ohms: 70 Watts
4 Ohms: 100 Watts
2 Ohms: 135 Watts
High instantaneous current capability (HCC) ±40 Amps
Power Bandwidth @ Half-Rated output, 8Ω<10Hz - 100kHz
Frequency response @ 1W (+0/-3dB) 0.5Hz - 100kHz
Damping factor 120
Signal-to-noise Ratio (Reference rated power output, A-WTD) Tuner/CD 90 dB
Phono (MM): 80 dB
Input sensitivity/Impedance Tuner/CD 150mV/43kΩ
Phono (MM): 2.5mV/47kΩ, 125pF
Phono-Overload: Phono (MM): 100 mV
Tone control range, Bass @ 50 Hz/Treble @ 10kHz ±10 dB/±10 dB
Power supply: AC 230V, 50/60 Hz
Power consumption: 230 W
Dimensions (Width ×Height ×Depth): 443 ×91 ×359 mm
Weight: 6.4 kg