Sony STR-DE335 Operating Instructions

To connect speakers, ensure the receiver is powered off. Connect speaker wires to the corresponding speaker terminals on the back of the receiver, making sure to match the positive (+) and negative (-) terminals.
To reset the receiver, turn off the unit. Press and hold the "Power" button for about five seconds until "All Clear" appears on the display. Release the button to complete the reset.
First, ensure that the receiver is turned on and the correct input is selected. Check all connections and speaker wires. Ensure the "Mute" function is not activated and the volume is turned up.
Use the "Input Selector" knob on the front panel of the receiver to cycle through the available audio inputs. You can also use the remote control to select the desired input.
Yes, you can connect a subwoofer to the Sony STR-DE335. Use the subwoofer output jack located on the back panel of the receiver.
To program the remote control, refer to the instruction manual for the correct codes. Press and hold the "S" button on the remote while entering the code for your device. Release the "S" button to save the setting.
Regularly dust the exterior with a soft, dry cloth. Ensure all connections are secure and inspect cables for wear. Keep the unit in a well-ventilated area to prevent overheating.
Ensure the FM antenna is fully extended and positioned for optimal reception. Consider using an external FM antenna for better signal strength. Avoid placing the receiver near devices that may cause interference.
Check the power connection and ensure the receiver is turned on. If the display remains off, try resetting the receiver to factory settings. If the issue persists, consult a professional technician.
Use the "Bass" and "Treble" knobs on the front panel of the receiver to adjust the sound to your preference. Turn the knobs clockwise to increase and counterclockwise to decrease the levels.