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Traduction de l’étape 3

Étape 3
This is the main digital board of the TV. It controls all of the TV's functions. An interesting note: The service menu (Press Input then 3138 on the remote) has a factory reset option inside it, DO NOT ever use that. It will cause the display to malfunction, and you will have to trigger it again blindly to restore video output. The main IC is a MStar chip. The heatsink is poorly adhered to the IC with double sided thermal tape, which may lead to early thermal failure of the IC (seems to be common issue on Newegg forums, digital board failed).
Inside Boards 2
  • This is the main digital board of the TV. It controls all of the TV's functions.

  • An interesting note: The service menu (Press Input then 3138 on the remote) has a factory reset option inside it, DO NOT ever use that. It will cause the display to malfunction, and you will have to trigger it again blindly to restore video output.

  • The main IC is a MStar chip. The heatsink is poorly adhered to the IC with double sided thermal tape, which may lead to early thermal failure of the IC (seems to be common issue on Newegg forums, digital board failed).

  • I glued the heatsink using some thermal RTV adhesive I got from eBay.

  • The board has some I2C or Serial UART port on it, maybe it can be used? The USB can supply 5V.

  • One cable supplies display data to the panel.

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