paf wrote: > I have opened my Touch and measured the signals on the IR module. > Results: > > > > - the VCC is AWFUL, terrible ripple at high frequency. Maybe because > the wifi antenna is just next to the IR module? - the IR out reacts correctly when the remote is sending, even at > distances where the Touch doesn't react to commands - the IR outs is "active" all the time, i.e. it modulates even when > the remote is not sending (even when I switch off all lights in the > room) - the remote works better when the oscilloscope is connected between > GND and IR out > > > > > I have noticed that the IR module ist imprisoned in an impressive > metalic armour. Probably against EMC? > > Well, I see two possible causes: > > > - the IR module is somehow half-dead and sends all the time scrap to > the decoding chip, which has problems with that. Solvable by > replacing the IR module (i have alread some replacements modules, > but they have the wrong pinning... GND and VCC inverted) - some decoupling capacitors are dead and there is too much ripple > everywhere in my Touch - hopeless > > > > > Does anybody know the exact type of the IR module? > > Any clues? > > Regards > PatrickVery interesting. Can't help with sourcing the correct replacement. > Do you use Wi-Fi with the Touch? I'm curious if the IR would work better if a wired LAN connection was used.
Doug ------------------------------------------------------------------------ TechHome's Profile: http://forums.slimdevices.com/member.php?userid=2340 View this thread: http://forums.slimdevices.com/showthread.php?t=103192 _______________________________________________ Touch mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/touch
