HarmanKardon-HK630-rec-sm2维修电路原理图.pdf

HK630Integrated AmplifierService MANUALRadioFans.CN 收音机爱 好者资料库TroubleshootingENGLISHThis 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 theproblem 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 outletNo 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 properlySound 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 centerWhen listening to stereo sound, the left and right sounds are reversed The speaker wires are connected correctly The wires between components are connected correctlyIntermittent or continuous buzzing or hissing The unit is away from fluorescent lights, TV, motors and other electrical appliancesThe 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 itPhone 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 surfaceRadioFans.CN 收音机爱 好者资料库ENGLISHSpecificationsHK630NOMINALContinuous Average Power Per Channel (FTC)8 Ohms:40 Watts0.09%THD20Hz 20 kHz, both channels driven4 Ohms:60 Watts0.3%THDDynamic Power (IHF, 1kHz Tone Burst)8 Ohms:70 Watts4 Ohms:100 Watts2 Ohms:135 Watts High instantaneous current capability (HCC)40 AmpsPower Bandwidth Half-Rated output, 810Hz - 100kHzFrequency response 1W (+0/-3dB)0.5Hz - 100kHzDamping factor120Signal-to-noise Ratio (Reference rated power output, A-WTD)Tuner/CD90 dBPhono (MM):80 dBInput sensitivity/ImpedanceTuner/CD150mV/43kPhono (MM):2.5mV/47k, 125pFPhono-Overload:Phono (MM):100 mVTone control range, Bass 50 Hz/Treble 10kHz10 dB/10 dBPower supply:AC 230V, 50/60 HzPower consumption:230 WDimensions (Width Height Depth):443 91 359 mmWeight:6.4 kg