Remove Protection On Sr6400

Turn off the receiver and unplug it from the power outlet.

Locate the service menu button on the receiver. It is usually a small button located on the back of the receiver.

Press and hold the service menu button while plugging the receiver back into the power outlet.

The service menu will open.

Use the up and down arrows on the receiver's remote control to navigate to the "Protection" menu item.

Press the enter button on the remote control to open the Protection menu.

Use the up and down arrows on the remote control to select the "Off" option for each protection item.

Press the enter button on the remote control to save your changes.

Exit the service menu by pressing the service menu button again.

Here are some additional tips:

Be careful not to change any other settings in the service menu.

If you are not comfortable accessing the service menu, you can take your receiver to a qualified technician.

I hope this helps!

Here are some of the protection items that you can turn off in the service menu:

Power protection: This prevents the receiver from turning on if there is a power surge.

Speaker protection: This prevents the receiver from damaging the speakers if there is a short circuit.

DC protection: This prevents the receiver from being damaged by a direct current voltage.

Thermal protection: This prevents the receiver from overheating.

HDMI protection: This prevents the receiver from being damaged by an HDMI signal that is out of spec.

If you are not sure which protection items to turn off, you can leave them all on. However, if you are having problems with your receiver, turning off some of the protection items may help.