Is there a bulb, and can I buy it and replace it myself?

The picter is a little dimmer then when I bought the tv. Just want to know if I can replace the bulb if there is one.

HDMI port not working with Cable box

HDMI port will not work with cable box unless a another device is pulgged in to another HDMI port and turned on. When you turn off the second device you lose the cable box HDMI signal The second device still works when the Cable box is turned off

What devices can I use to get netflix for my LN40A530P1F?

I want to get NetFlix. Can I use the LinkStick or do I need BlueRay with wireless.