Re: samsung tv ue43ru7400u dark screen problem help
easy test, make sure the tv is unplugged from power, unhook cable from powerboard to mainboard, plug power cord into powerboard, plug into outlet,
see if backlights come on and stay on, always make cable connections with tv unplugged from power to avoid and errant surges that could happen.
Re: samsung tv ue43ru7400u dark screen problem help
Hi there is only one power lead coming from the powerboard and its going to the mainboard so when i disconnect the lead there is no power going to anythink
Hi there is only one power lead coming from the powerboard and its going to the mainboard so when i disconnect the lead there is no power going to anythink
Why only one, you have two cables connected 1 - main, 2 - led.
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