Question about Samsung LA40B550 40 in. TV
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Posted on Jan 02, 2017
you need to go into the service menu and adjjust the option bytes. When you upgraged you changed them. The other solution would be to replace the main pcb
Posted on Jan 08, 2009
It may be a firmware issue if hdmi works with other items such as playstation.
If no hdmi the main Pcb hdmi ports are bad and the main Pcb would have to be replaced.
Consumers cannot upgrade the firmware so a shop would be the only option.
Posted on Jan 18, 2010
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