Question about Sony KP-61V90 61" Rear Projection Television
I was watching my tv when the picture went out and i smelled smoke so i unplugged the tv and opened the back. There was a small peace on the circuit board that had started to smoke when i plugged it back on. I am not sure what that peace controls or if it is possible to replace. I cant find any breakdown on what parts are what. please help
The part which is black and is mounted on the metal plate is the horizontal output transistor (D2578) The part which is 1ohms is a resistor In order to replace, you need to get the location number which is written on the circuit board -for example Q552 could be the location number for the transistor
To get the correct part you have to call sony the manufacturer and give them the name of the tv
the model number of the tv
and the location number of the burnt part
Please refer to a qualified tv repair personnel to do repair on tv
Posted on Jan 02, 2009
The component sounds like a resistor, and the fact that it was attached to a heat sink means its a power handling resistor. You said it was burning, so this means that whatever it is attached to is drawing too much current. From what you are saying a component on a board is drawing too much current and is causing another component (the 1 ohm resistor) to burn. My question is what board is this (I am suspecting the deflection or the HV power supply). Please post a picture of the board in question. That way I have a visual guide as to the board and if I can find the schematic, or if you can supply the schematic I'll be able to at least give a better diagnosis of this problem.
Posted on Jan 01, 2009
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Posted on Jan 02, 2017
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