How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Aric Your Own Question
Aric, Technician
Category: TV
Satisfied Customers: 44698
Experience:  15+ years in the field. Owner of AV Installation, OEM and Repair company
Type Your TV Question Here...
Aric is online now
A new question is answered every 9 seconds

I have an insignia ns-l47q09-10a no picture but have sound

Customer Question

Hey I have an insignia ns-l47q09-10a no picture but have sound you can see some very dark figures of people while it's dark on tv but that's it no menu I have unplugged tv to see if it would reset
Submitted: 1 year ago.
Category: TV
Expert:  Aric replied 1 year ago.

Hello, You've got two possible causes of this problem- the power supply board, or the inverters. If you want to fix this yourself, you will need to use a multi-meter to test the 24 vdc points on the power supply board (which feeds the inverters) to see if they're in spec. If they ARE- then you replace your inverters to fix the issue. However if that voltage is missing- this means the 24 volt output on the supply has failed- and you will replace the power supply board. There components can be located for replacement by pulling the part numbers off the boards and searching pulled parts sites like: or

Alternatively if this is not something you're comfortable with, then a shop is going to charge between $200-$250 parts and labor for this repair and can be located at the following link:

Expert:  Aric replied 1 year ago.

If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.

Expert:  Aric replied 1 year ago.

Let me know if you need further help once you see my reply.