Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, are you then considering a DIY (do-it-yourself) repair approach? If yes, do you have access to and familiar with a multi-meter and even perhaps a soldering iron?
Should a DIY be attempted, then please click HERE for the troubleshooting steps as prescribed by the repair/Service Manual.
It is an internal hardware fault hence "...are you then considering a DIY (do-it-yourself) repair approach?..."