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No Signal / Distorted

No picture, sound, or 'Weak or No Signal' - External device or channel issue

Samsung · Q9FN Series TV

Was bedeutet No Signal / Distorted ?

The TV displays no content, distorted picture/sound, or a 'Weak or No Signal' message from an external device. Alternatively, the TV might not be able to find any broadcast channels.

Häufige Ursachen

  • Incorrect or loose cable connections to external devices.
  • Incorrect input source selected on the TV.
  • Problem with the connected external device (e.g., cable box, satellite box).
  • TV not set up to search for broadcast channels from an antenna or cable wall connector.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Ensure that all cables connecting to the external device are correctly and fully inserted.

  2. 2

    Remove and reconnect all cables connected to both the TV and external devices. Try using new cables if possible.

  3. 3

    Confirm that the correct input source has been selected on the TV (Settings > Source).

  4. 4

    Perform a TV self-diagnosis (Settings > Support > Self Diagnosis > Start Picture Test or Start Sound Test) to check if the TV or the external device is causing the problem.

  5. 5

    If the self-diagnosis tests are normal, reboot connected devices by unplugging each device's power cord and then plugging it in again.

  6. 6

    If you are using an antenna or cable wall connector for TV signals, run Auto Program to search for channels (Settings > Broadcasting > Auto Program).

Alle Codes in diesem Handbuch durchsuchen (4)
Verifizierte technische Daten. Zuletzt aktualisiert: April 2026

Verwandte Fehlercodes

External Remote ProgramCable/Satellite remote not controlling TV - Power or volume not workingRemote No ResponseRemote control does not work - No response or power indicator doesn't blinkTV No PowerTV won't turn on - No power, solid red LED (no change)
Quelle: Samsung Q9FN Series TV
Open Manual (Page 14)Mehr Codes in diesem Handbuch suchen