TV stuck on logo / restarting (boot loop)

Usually firmware or main board, occasionally power supply. Try a full power drain and a firmware recovery/factory reset before replacing boards.

Cross-checked ~60 min moderateBrands: TCL, Roku TV, Hisense, All

Before you start

Internal board work is for trained techs; discharge power board first.

Diagnostic steps

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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