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Anthony_Infotech
Anthony_Infotech, Technician
Category: TV
Satisfied Customers: 13734
Experience:  20+ years experience TV expert (field and bench) 9 approved qualifications in TV-ELECTRONICS
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My Sanyo flat screen tv just went black. What do I do?

Customer Question

My Sanyo flat screen tv just went black. What do I do?
Submitted: 4 years ago.
Category: TV
Expert:  Anthony_Infotech replied 4 years ago.
Hello
Welcome
Thanks for using JustAnswer

If you could just answer the below info requests please this will help me a lot thanks!

I will need the model number please found on the back of the set?

If you press the menu button of the sets own remote control does the menu come up or not please?

Anthony
Customer: replied 4 years ago.
There is no picture. How would a menu come up? The model number is DP32640
Expert:  Anthony_Infotech replied 4 years ago.
Hi

Yes the menu can come up even if their is no display its a check necessary to eliminate
OK I gather the display is unlit no visible light and you have sound this means the backlight is out this is responsible for illuminating the pixels on the display no backlight no picture
Their are a number of checks that need to be performed before condemning the invertors which control the backlight

1 The powersupply to the invertors usually 27voltsdc
2 The grounding of the invertors
3 The invertors themselves
4 The backlight itself

If you have a practical ability let me know otherwise www.tvrepairpros.com
will locate a tech in your area

Anthony