Onkyo CR 505 Instruction Manual
![Onkyo CR 505 manual cover](/images/82a3ad95fe7111c86714c170/thumbs/thumb175x175.webp)
To connect external speakers to your Onkyo CR 505, locate the speaker terminals on the back of the unit. Connect the positive (red) and negative (black) wires from your speakers to the corresponding terminals on the receiver, ensuring a secure connection.
If the Onkyo CR 505 does not power on, first check the power cable connection. Ensure it is securely plugged into both the unit and a working power outlet. Also, check if the fuse is blown and replace it if necessary.
To reset the Onkyo CR 505 to factory settings, turn off the unit. While holding down the "STOP" button, press the "ON/STANDBY" button. Keep holding until "CLEAR" appears on the display. Release the buttons to complete the reset.
To clean the Onkyo CR 505, use a soft, dry cloth to wipe the exterior. Avoid using any liquid cleaners or solvents. For the CD player, use a lens cleaning disc periodically to maintain optimal performance.
If there is no sound, first check the speaker connections. Ensure they are secure and correctly matched. Also, verify that the mute function is not activated and that the volume is turned up. Additionally, check the source input selection.
To set the clock on the Onkyo CR 505, press the "CLOCK" button. Use the "UP" and "DOWN" buttons to adjust the hour, then press "ENTER". Repeat the process for setting the minutes. Press "ENTER" again to confirm.
Yes, the Onkyo CR 505 can play MP3 files from a CD-R or CD-RW disc. Ensure the disc is properly formatted and the files are not corrupted. Insert the disc into the player and select the appropriate input source.
If the CD tray does not open, first ensure the unit is powered on. Try pressing the "OPEN/CLOSE" button again. If it still doesn't open, gently tap the front of the tray. If the problem persists, the unit may require servicing.
To improve FM radio reception, ensure the FM antenna is fully extended and positioned vertically. You may also try repositioning the antenna or moving the unit closer to a window. Consider using an external antenna for better reception.
If the remote control does not work, check the batteries and replace them if needed. Ensure there are no obstructions between the remote and the unit. Also, try using the remote closer to the unit to rule out signal issues.