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Hi my name is Roety,
I can help you with your issue ,
These Haier TVs go bad and I always install the repair kit part #?TV-3940-01
It includes the scan boards and an upgraded IC .
I can not find any kits in stock, but I know there some available online if you search or call a few places.
Mat electronics or sears parts direct may have some.
If I have helped you with your issue
If you have more questions you can still respond
I will reply asap
1. Check All Voltages From the Power Supply
2. Check The Fuses on The Y-Systain and Z-Systain Modules
If all the Voltages from Power supply are good and no Blown fuses i would go with Y-Systain first. 75% of cases fixed with Y Systain Module
Haier for sure recognizes the model. It's been a problem since produced. To correct the problem you'll need an upgrade kit. I'll attach the upgrade instructions and part number for the kit. Try resetting back to factory specs as noted at the bottom of instructions. Follow the procedure to a "T" when you see two menus pop up use the one on the right. Good luck! http://service.haieramerica.com/documents/SB-TV-0003.pdf
Harish.......If you've lost both audio and video you'll probably need the upgrade kit. If it were just video you could get by for sometime with replacing the slow blow fuse on the s-zus board. Check your eprom chip on the digiatal board to see if it appears burnt. If so it may have fried. If you'd like the service manual I'll need your email address
his is what I have found out so far the YSUS PC board is your problem
Part number 6871QYH045B I have a call into Haier to see if I can get this
I did a search on the web and found a couple but none in the US
so if someone can traslate these sites and help out
You need the upgrade kit - make Sears come out and order it for you - they know all about it, claim that the monitor should have been recalled. Mine was out of warranty, however I convinced them to fix the TV.