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Hi, Need users manual for Toshiba 37XV505, picture gone tv only 4 months old, Help

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A user manual will do you no good for a tv that has lost its picture. You will need a service manual. Your tv sounds like it's a 37 inch lcd or plasma tv. The cause could possibly be puffed capacitors on the power supply. If you feel confident, you could check the power supply pcb and visually look at all the caps on it to see if they are puffed.
To do this you need to lay the tv face down on a cushioned surface large enough to support the tv by the frame. This is to prevent any damage to the panel. Then remove all the screws securing the back of the tv to the frame. Look at the power supply pcb, it is the board with the power cord attached to it, for puffy caps. If they are puffed they need to be replaced. Replace with capacitors of equal or slightly greater values. The values are marked on the caps themselves in mfd and voltage.
If they look good, take a multimeter and test the dc voltage outputs, usually marked on the power supply near connectors with different colored wires. There should be three of them together. Take the black lead of your multimeter and connect it to chassis ground, and the red lead use to check the voltages.

Posted on Apr 03, 2011

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Posted on Jan 02, 2017

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Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
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