Question about GE 46GW945 46" Rear Projection Television

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HAS SOUND,NO PICTURE?

HELLO I HAVE A GE 46GW945 T.V. WHEN YOU TURN IT ON THERE IS NO PICTURE EXCEPT FOR 3 HORIZONTAL LINES ACROSS THE CENTER OF THE SCREEN,BUTTONS ON FRONT PANEL WORK SOUND ETC.ANY HELP ABOUT NO PICTURE DISPLAY WOULD BE APPRECIATED OR BETTER YET A DIAGNOSIS? THANKS,WOODY.

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YOU'VE LOST VERTCAL DEFLECTION---THIS COULD BE SOME PARTS IN THE VERTICAL SECTION BAD,,LOST A VOLTAGE GOING TO THE CIRCUIT OR WORST CASE ----FLUID FROM THE PICTURE TUBES HAVE LEAKED ON THE CIR BOARDS CAUSING THIS PROBLEM---NEED TECH FOR THIS ONE!!!!!!!!!!!

Posted on Mar 22, 2008

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Posted on Jan 02, 2017

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Its because of Over Voltage of Screen (G2) to Blue CRT.
Take off front lower cover (speaker grill) and unscrew board. There you will need to find Focus Block mounted having 6 control knobs. 3 knobs are for Focus control and 3 are for Screen volts control. Find Blue Screen control knob and turn is Counter Click Wise slightly until bluish shade disappear on screen including few blue horizontal lines.
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1 Answer

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Failure in the vertical deflection amplifier section. This is usualy from failed components, and sometimes cold solder connections. Most of the time, I found bad capacitors, and sometimes the output IC or transistors (depending on the model type) that have failed.

Take the set to a service center for an estimate. You may find it more feasible to buy a new set depending on the parts that failed and the time involved to do the work.

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1 Answer

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Your problem is a bad main filter, a regulator IC ,and or a combination of a convergence problem along with a vertical IC going bad. This set is not something you should mess with unless your a trained tech. Please seek a pro to assist you with this repair. good Luck

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