All of the sudden the remote control does nothing, won't work at all. What can I do?

check the battery hast to be same serie and check whit secund battery

Hi, since both remotes suddenly fail, I am assuming the problem is more than likely with the received rather than the remotes.

If you do wish to check your remotes, then point your mobile phone camera at the remote's Infrared lens and press one the remote's buttons. Your mobile phone camera is able to detect Infrared light and in case you remotes are working properly, you should see light coming out of your remote's Infrared lens.

Make sure that no direct sun light is on your receiver because that can effectively block out the signals from your remote controls.

Try the following method to reset your receiver. Unplug your receiver mains cable from the mains wall socket; power your receiver on by pushing the on/off button (nothing will happen obviously) and leave it like that for say 30 minutes. By that time all capacitors in your receiver will have discharged. Plug your received mains cable in the mains wall socket.Push the receiver's on/off button and see if it know responds to your remote controls.

If the problem still persists, you may have a failed Infrared receiver LED. That component can be found inside your receiver. It will take some basic elelectronics skills to get this component replaced. A service manual can help you. You can download it for free from this website: http://elektrotanya.com/pioneer_vsx-32_33.pdf/download.html

Good luck.

When battery is changed, all the previous settings will be lost from the remote control. You should once again set it to your device, using codes.

Check the remote control for its infrared emission. Check its battery contacts for any rust or dust. Check it with fresh batteries.

I recomend to read very well your owner manual and read the topis for Synch. see the section a( how to set up b( section troubleshooting.
if you donot have it download from www. retrevo.com

1) clean the contacts batteries, with cleaner contacts
2) tight the spring contacts with pliers for better contacts
3) resolder the wires connector from contacts batteries
4) open the remote c, and clean the keypads with contacts cleaner
God bless you

Try by an other code for your device from the code list for your tV brand.

try to reprogram your remote ,
search the code of your TV from the user manual of your remote.

What are we trying to fix here, the remote or the unit? The unit has a power switch. Does THAT work?

Most like the remote inner rubbers black dots tips of on those functions rubbers buttons are worn out and no more rubbers black dot tips left there any more to be connected make contact between the black dots tips to the remote PCB board.Or the remote CPU chip is shorted and dying,the CPU chip control everythings and remote devices are very dependent on it.Try website like Remotes.com to buy an original remote for the replacement.