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Louie, Technician
Category: TV
Satisfied Customers: 11245
Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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My sanyo tv screen suddenly went black, still have sound.

Customer Question

my sanyo tv screen suddenly went black, still have sound. what could be wrong
Submitted: 6 months ago.
Category: TV
Expert:  Aric replied 6 months ago.

Hello and sorry you're having problems.

If you grab the original Sanyo remote and press MENU, will the MENU display please?

Also if you shut the set off and turn it back on, will the Sanyo welcome screen display?

Expert:  Aric replied 6 months ago.

Do you need assistance with this?

Expert:  Louie replied 6 months ago.

Hi Anthony and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, have you tried the flashlight test? ...please click HERE.

Expert:  Louie replied 6 months ago.

Still, the described symptom almost always point to an internal hardware issue or more particularly, possible suspects after a review of the repair/Service Manual are:

  • • faulty panel (least likely);
  • • LED array (likely);
  • • LED driver (most likely).

All of the above would require that the unit be opened up for visual inspection, voltage/continuity/resistance checks, confirm faults and effect repairs.

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?