Factory reset remote control rc941 - Denon AVR-1604 Receiver

To perform a factory reset on a Yamaha RAV 352 remote for use with an RX-V2500 receiver, follow these steps:
1. Turn on the RX-V2500 receiver using its power button or remote control.
2. On the remote, press and hold the "VCR 1" and "ON/STANDBY" buttons simultaneously. Hold both buttons for about five seconds until the remote's indicator light blinks twice.
3. Release the buttons. The remote control should now be reset to its factory default settings.
4. Test the remote by using it to control the RX-V2500 receiver. Make sure the remote is within range and pointed towards the receiver's IR sensor.
If the factory reset doesn't resolve any issues you're experiencing with the remote control, you may need to try replacing the batteries or consider getting a replacement remote from Yamaha or an authorized dealer.
Please note that the steps provided are based on general instructions for Yamaha remotes, and there might be slight variations in the specific procedure for your RAV 352 model. Consulting the user manual for your specific remote or contacting Yamaha customer support can provide you with more accurate and detailed instructions tailored to your device.

If both your front panel and remote control are disabled, the best option would be to perform a factory reset to restore the TV to its original settings.
To reset the Sharp LC-40LE830U to factory settings:

1. Unplug the TV from the power outlet and wait for at least 60 seconds.
2. Press and hold the power button on the TV for 5 seconds while the TV is still unplugged.
3. Plug the TV back in and turn it on using the power button on the TV itself.
4. Once the TV is turned on, press and hold the "input" and "volume down" buttons on the TV simultaneously for 5 seconds.
5. The TV will then enter the service mode menu.
6. Press the "menu" button on the remote control to navigate through the menu and select "option."
7. Select "factory reset" from the options menu and follow the on-screen instructions to complete the reset.

Note: The factory reset will erase all custom settings, including parental controls, picture, and audio settings.

Without the remote control, you can not do a factory reset; Can only of the hard reset. There are two methods to reset TVs. The first is simple to do; Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it to reset system [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the website linked here. Pull up older posts. Http://electronicshelponline.blogspot.com/
Service entry mode, adjust and exit procedure to many popular brand are given Beheerder TVs. Never forget to exit the service mode, after all adjustments Have Been done.

ZENITH SC652 Concierge Commercial TV Remote Control buy a master remote then,

Press the "Power" button on the Installer's remote control to turn on the TV.

2 Press and hold down the "Menu" button on the remote for about six seconds until the menu disappears.

3 Press the "9," "8," "7," "6" and "CC" buttons in succession. This resets the TV to factory default settings

Read more : http://www.ehow.com/how_7393497_reset-zenith-concierge-television.html

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To do a factory reset, you have to enter its service mode option. But; to enter the service mode option; you should have its factory remote control [service remote control]; not the remote control you have got with the set. To buy this remote control, contact the authorized service center for LG.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Not sure if it's the same, but for the Onkyo RC-799M controller the reset sequence is:

To reset the remote controller to its factory defaults,
while holding down RECEIVER, press and hold down
HOME until the remote indicator lights (about 3
seconds). Within 30 seconds, press RECEIVER
again.

Without its remote control, you can't make a reset to this set. In fact; a hard reset procedure do not want a remote control, but,. if you wish to make a system reset [Factory Reset]; there is no other way without a remote control.
There are two types of reset to TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight; will be better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
To get more details about remote controls. visit these sites.
Remote Control Codes
Electrohelponline

How do I reset my TV without remote control

You must have its original remote control do do a factory reset, because, there is no other way to enter its service mode, without its original remote control. A universal remote won't do.