Question about Westinghouse Televison & Video
DWM55F1Y1 LED 55" 120Hz 1080p TV Powers on. Screen lights up (Backlight?). No picture, not even westinghouse logo. I unplugged/replugged @ surge protector. Audio is back. I was able to change sources without seeing, and then switch back to the source with audio. I see no picture with a flashlight. Any ideas what this could be or if it's reasonable to fix? Thanks in advance!
Posted by Anonymous on
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Posted on Jan 02, 2017
What you have is a darfon V144 board (junk). it's a simple fix if you know how to use some basic tools and a soldering iron. Get an led (i used digikey's PN: L10041-ND) and solder it from pin 10 to pin 16 on the OZ960 chip on the inverter board. If you need the chip layout type "OZ960 pdf" in google. Hope this helps.
Posted on Dec 31, 2009
This going to be tough one to figure out, but at least the back light inverter board and power supply are working, unhook it at least 1/2 hour?
You may have bad main logic board problem. Try reading my guide here and see how much the main baord may cost you.
Please see my basic troubleshooting guide here:
Posted on Jun 25, 2010
Testimonial: "Thanks very much! That seems to have worked."
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Posted on Apr 05, 2016
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Posted on Nov 13, 2016
Check out your inverter board which supplies power to the backlights.
Posted on Nov 22, 2016
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