HarmanKardon-HK630-rec-sm2维修电路原理图.pdf

HK630 Integrated Amplifier Service MANUAL RadioFans.CN 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 dont 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 RadioFans.CN ENGLISH Specifications HK630 NOMINAL Continuous Average Power Per Channel (FTC)8 Ohms:40 Watts<0.09%THD 20Hz 20 kHz, both channels driven4 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, 8<10Hz - 100kHz Frequency response 1W (+0/-3dB)0.5Hz - 100kHz Damping factor120 Signal-to-noise Ratio (Reference rated power output, A-WTD)Tuner/CD90 dB Phono (MM):80 dB Input sensitivity/ImpedanceTuner/CD150mV/43k Phono (MM):2.5mV/47k, 125pF Phono-Overload:Phono (MM):100 mV Tone control range, Bass 50 Hz/Treble 10kHz10 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 RadioFans.CN