You can't get anything done on the remote without first getting two confirmation blinks after pressing and holding MUTE & SELECT. If you can't get passed that, you need a new remote. If you can, try the following:
2. press and hold MUTE & SELECT, wait for two blinks, release
3. enter 0 0 0 0 1
Try the remote, if still doesn't control the receiver, continue:
4. press and hold MUTE & SELECT, wait for two blinks, release
5. enter 9 6 1
6. press CH UP
7. enter last...