Just upgraded Cablebox specificaly for HDMI output. But there is no signal to the TV at all. Tried swapping cables, powering off. Component output works fine. Also tried cable reset tool. Model is Scientific Atlanta 4240hdc. Please Advise.
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Just upgraded Cablebox specificaly for HDMI output. But there is no signal to the TV at all. Tried swapping cables, powering off. Component output works fine. Also tried cable reset tool. Model is Scientific Atlanta 4240hdc. Please Advise.