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SYLVANIA LC200SL8 WILL NOT POWER ON

No power. Fuse not blown. Anyone know what might need to be replaced on the main board?
I have tested the power section and am not getting any power on the secondary side of the power transformer. Schematic that I found on the internet does not show Primary & secondary voltages for the power transformer. Anyone know what they should be?
Also, I took the board out of my Emerson LC200EM8 and connected it to the Sylvania LC200SL8 LCD screen and the screen and back light work, but there is a blue, line from top to bottom near the left side of the screen. I am not too worried about the blue line. I think I can correct that once I can get the main board to power up.

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  • cmacko1 Feb 28, 2009

    screen turns on for about 2 seconds then turns off. lc200sl8 slyvania

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SOURCE: ba71f0f01042 power board blows fuse

I'm not too familar with this model, but to give you some pointers, you will find when you have this problem the fuse will go straight away as there will be some of the semi-conductors short circuited. Check your bridge rectifier diodes & also the chopper transistor in the power supply. As a general check, test most of the diodes & power transistors & replace any that read short circuit on your meter. Hope this may help you as a guide line.

Posted on Aug 01, 2009

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