Our Harmony 670 remote has been working with our Sony Bravia LCD with no problems since we had our home theatre set up about a year ago. Two days ago the remote went dead (no info on the screen) so I replaced the batteries. Everything worked again for one day, but now even though all of the info shows on the remote the TV is not responding. We tried loading all of the codes again but still no luck. The green light comes on the remote when you press a command so it seems to want to ''communicate'' with the TV. I did manually turn on and off everything after this problem, I'm wondering if that may have messed up things?
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My Bravia LCD TV wasn't responding to its remote RMF-GD001 although the remote works on the home entertainment unit. Lucky for me, I have an extended warranty and so I called for a service. Technician tested my remote and said that it's RF transmitter is spoilt. Little did I know that the remote has IR and RF transmitter and it will work on any devices that uses infra red transmission. But Bravia LCD TVs use the radio frequency transmission and that is where the problem is.
I had my $125 remote replaced FOC. :)
This reminds me to get a silicon case for the remote and to put it out of reach from my kids who like to drop things.
I just thought you should know the Harmony Remote is only able to control any device that uses infrared control. Unfortunately the Wii console uses Bluetooth technology which means the Harmony Remote would not be able to control it.
Do you use a Home Theater receiver along with your televison? Are other components, such as a DVD player, VCR, Blu-ray player, etc. connected?
If so, it's possible that the Mute function on your remote is muting the sound from your receiver, and not the TV itself.
If that's the case, you'll need to look at the details of the "default" buttons for your activities, and see whether the Mute function is associated with your TV or your receiver. If it's set for the receiver, you need to change it to be associated with the TV.