Why is the front panel display not lighting up on my Harman Kardon Receiver?
If your Harman Kardon Receiver is on, but the front-panel display doesn't light up, the display brightness might be turned off. Adjust the display settings to 'VFD FULL' by following the instructions in the Display Brightness section on page 30.
What to do if my Harman Kardon Receiver doesn't turn on when I push the power switch?
If your Harman Kardon Receiver does not function when the power switch is pushed, ensure that the AC power cord is properly plugged into a live outlet. Also, check to see whether the outlet is switch-controlled.
What to do if my Harman Kardon AVR 2550 Receiver display lights up, but there's no sound or picture?
If your Harman Kardon Receiver displays lights but produces no sound or picture, ensure all input and speaker connections are secure. Also, check if the mute function is enabled and, if so, disable it by pressing the Mute button. Finally, verify that the volume control is turned up to an audible level.
Why is my Harman Kardon AVR 2550 Receiver not responding to the remote control?
If your Harman Kardon Receiver does not respond to remote commands, first, replace the remote batteries. If that doesn't work, ensure the AVR selector is pressed. Finally, make sure that nothing is blocking the path between the remote and the front-panel sensor on the receiver.
How to stop intermittent buzzing in Harman Kardon AVR 2550 tuner?
If you're experiencing intermittent buzzing in the tuner of your Harman Kardon Receiver, try moving the unit or antenna away from potential sources of interference such as computers, fluorescent lights, motors, or other electrical appliances.
What to do if there is no sound from Harman Kardon AVR 2550 and the power switch light is red?
If your Harman Kardon Receiver has no sound from any speaker and the light around the power switch is red, it is possible that the amplifier is in protection mode. Check the speaker wire connections for shorts at both the receiver and speaker ends. If the issue persists, contact your local Harman Kardon service center, which you can locate by visiting our Web site at www.harmankardon.com.
Why is there no sound from surround or center speakers on my Harman Kardon Receiver?
If your Harman Kardon Receiver isn't producing sound from the surround or center speakers, check that you've selected a surround mode other than Stereo or Dolby 3 Stereo. Also, if your input source is monaural, there won't be any surround information. Verify the speaker mode configuration and remember that the surround decoder may not create center- or rear-channel information from nonencoded programs.
What to do if letters flash on the display and digital audio stops on Harman Kardon Receiver?
If letters flash in the channel indicator display and digital audio stops on your Harman Kardon Receiver, try resuming play for the DVD. Also, check that Digital Input is selected.
Audio Specifications| continuous average power (stereo mode) | 50 watts per channel into 8 ohms @ 20Hz – 20kHz, <0.07% THD, both channels driven |
|---|---|
| continuous average power (five-channel surround mode) | 40 watts per channel into 8 ohms @ 20Hz – 20kHz, <0.07% THD, all channels driven |
| high instantaneous current capability (HCC) | ±25 amps |
Tuner Specifications| usable sensitivity | IHF 1.3µV/13.2dBf |
|---|---|
| THD at 1kHz with 100% modulation (mono) | 0.15% |
| THD at 1kHz with 100% modulation (stereo) | 0.3% |
Weight and Dimensions| dimensions (H x W x D) | 165mm x 440mm x 365mm |
|---|---|
| weight | 10.8 kg |
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