Smartbar 2 is powered from an external source, either by being hardwired to that source or via a cable with connector. This article explains the main causes of a failure to power on in Smartbar 2.
Description/Explanation of Issue
If the power source for the Smartbar 2 has been confirmed to have adequate voltage, but the bar will still not power on, the most likely cause of failure is a dead power supply.
Please be sure to disconnect power from the Smartbar entirely before servicing.
- The part number for the power supply is 7543B5701. This board lives in the bar, near the UI.
- Remove the back of the Smartbar and disconnect the harness for the power supply circuit board.
- Remove the power supply PCB from the bar and replace with new power supply.
- Reconnect harness, reassemble bar and test with power.