Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television
Lost pciture, now power does not come on at all
I don't recommend working on the TV unless you have some experience and knowledge relating to the safety issues and electronic repair. Most rookies will not successfully complete the repair and probably do more harm than good.
Sometimes when the convergence chips fail, the TV senses the changed load condition and shuts down.
Unplugging the blue, red or green convergence connector on the convergence board removes the overload condition if the IC is shorted and allows the tv to run, with one color missing.
This is done with the tv unplugged. Then plugged in and turned on to see if it starts. Turn off immediately if you here it start.
Now you know if convergence failure caused the shutdown. You can repair the convergence circuit if that is the problem.
If this has no affect, then you could have a number of different faults in Vertical output, Power Supply or HV circuits that require the expertise of a qualified service person. This would be a bench repair in most shops.
If you live around Calgary, Alberta try me instead:
Or try to the find the repairperson part of this website (on the Homepage) and search postal code. Maybe you will be lucky and someone from your area is listed for Projection TV repair.
Most rookies doing this job will cause damage and not be successful. They will pay double for someone to fix their mess or end up scrapping the TV. It is not a simple task. It is more difficult than batteries on a remote.
Posted on Jun 27, 2008
(I need to find power source projection TV HCN4226WS/XAA samsung 42 inch, the number is BP91-00801Y (power source))
Posted on Jun 12, 2009
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Posted on Jan 02, 2017
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