What to do if my Harman Kardon AVR 151/230C Receiver front-panel display lights, but there’s no sound or picture?
If the front-panel display lights up but you're not getting any sound or picture from your Harman Kardon Receiver, ensure all input and speaker connections are securely connected. Also, check to see if the MUTE button is activated. Finally, make sure the volume isn't turned all the way down.
What to do if there is no sound from center or surround speakers on my Harman Kardon Receiver?
If you're not getting sound from the center or surround speakers on your Harman Kardon Receiver, make sure you've selected a surround mode other than stereo. Also, consider that mono program material contains no surround information. Check the speaker configuration in the setup menu. The surround decoder may not create center or surround-channel information from nonencoded programs.
What to do if my Harman Kardon AVR 151/230C does not function?
If your Harman Kardon Receiver isn't functioning, first ensure that the power cord is properly plugged into a working AC power outlet. Also, verify that the AC outlet isn't controlled by a switch that might be turned off.
What to do if there is no sound from any speaker connected to my Harman Kardon AVR 151/230C?
Check all speaker wires at both the speaker and AVR connections, looking for any crossed wires. For further assistance, contact your local Harman Kardon service center.
What to do if my Harman Kardon Receiver unit does not respond to remote control commands?
If your Harman Kardon Receiver isn't responding to the remote, first replace the batteries in the remote. If that doesn't work, make sure that the receiver's front panel remote sensor has a clear line of sight to the remote.
How to fix Harman Kardon Receiver when unable to establish network connection?
If your Harman Kardon Receiver is unable to establish a network connection, try cycling the AVR off and then turning it back on again. This will reboot the system.
Why is there intermittent buzzing in the tuner of my Harman Kardon Receiver?
If you're experiencing intermittent buzzing in the tuner of your Harman Kardon Receiver, it might be due to local interference. Try moving the receiver or antenna away from computers, fluorescent lights, motors, or other electrical appliances.
General| Brand | Harman Kardon |
|---|---|
| Model | AVR 151/230C |
| Category | Receiver |
| Language | English |
Welcomes user, brand history, and AVR overview.
Lists the items included with the AVR.
Provides crucial safety warnings and instructions for using the AVR.
Positioning guidelines for optimal performance and ventilation.
Diagram and labels of the AVR's front panel interface.
Detailed descriptions of each front-panel button, knob, and display.
Diagram illustrating the AVR's rear panel connectivity.
Explains the purpose and use of each rear panel port.
Labeled diagram of the AVR system remote control.
Detailed descriptions of each button's operation for AVR and source control.
Explains basic concepts of multichannel surround sound systems.
Optimal positioning recommendations for surround sound speakers.
Physical connections for main speakers and the subwoofer.
Connects TV, HDMI, Digital Audio, Analog Audio, Composite Video, USB/iOS devices.
Connects Network, Antennas, IR, Trigger output, and AC power.
Instructions for inserting batteries into the remote control.
Guides on pairing the remote with source devices for control.
Power on, menu navigation, crossover, distance, and output level settings.
Assigning sources and setting up network connectivity.
Overview of AVR operation and using the Harman Kardon remote app.
Volume, Mute, Sources, and troubleshooting tips.
Radio, USB, iPod, vTuner, and Network media playback.
Audio processing, surround mode selection, and Dolby PLII Music.
Timeout durations for display, power, and menus.
Volume defaults, HDMI Link, and software update procedures.
Setting the sleep timer and performing a processor reset.
Default component connections, speaker settings, and system defaults.
Detailed surround mode information and remote button function lists.
Product codes for programming remote control for various device types.
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