Question about Samsung HP-T5064 50 in. Plasma HDTV
I have a samsung hp-t5064 with sound and no picture. I purchased a service manual and went through the check list of solving the problem. It tells you to remove 4 plugs from the SMPS board (cn810, cn809, cn808, cn807) and you should get dc voltages at test pin (Vs 207VDC) and test pin (Va 63VDC). If you do not get these voltages at these two pins you should replace the SMPS borad. My question is when all plugs are unpluged I get Vs 0VDC and Va 63VDC but when I start plugging in the plugs one by one nothing changes as far as voltages until I plug in the CN807 Main board and the voltages are at normal Vs207VDC and Va 63VDC. I am asuming the SMPS board is bad. Would I be correct?
Posted on Dec 15, 2010
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Posted on Jan 02, 2017
SOURCE: I have a Samsung Plasma
I'm assuming that nothing appears on the screen, not even the menu.
In that what you can do depends entirely of the extent of the damage. If you're lucky it can be just a failed Y-sus board which is relatively cheap and easy to replace. If you're unlucky it's a complex failure, starting with the power source and it will be very hard to diagnose and fix. The only way to know which is to open the tv and test it by measuring the voltages on the power source and the Y-sus board - this should be done by you only if you have at least a basic experience in electronics. If you don't have it then leave that alone , unplug the tv from the wall and call a repairman - if you mess with it the only result will be to make the problem bigger and more expensive to fix.
Posted on Feb 06, 2011
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