We are currently trying to get the Home Theater Master MX-850 to operate the most simple power command on the Hitachi 42HDF52 plasma's. To this point it's been very frustrating, it works intermittently at best. The Factory remote works fine. The "Service Tech" told me that these are Very touchy Plasma's and may not work with a Universal Remote. This is a huge project we are doing (40 Plasma's in seperate time-share units) and don't want to have to leave the factory remote for the "renters" to use. Has anyone else had this problem? The only other issues we have ever had with learning a simple command was with scientific Altalnic Cable boxes, which required the use of the " IR Remodulator" which fixed the problem. Hope someone else out there has seen this problem with the Hitachi Plasma42HDS52. Please Help!! All we want to do is turn the display on and off!! " I just wanna watch TV!!" Please post here or email me directly.

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Never had problems with Hitachi before, try learning the code again. Hitachi are generally pretty good at releasing the codes in PDF format too.

I had a problem with the power on/off commands with my Hitachi, I loaded the discrete pronto commands on RC into my mx-850 and they have been working great.
[Link: remotecentral.com]

Jason