55" Toshiba Projection TV (model 55A60R) lost the picture and on-screen display.

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fsjam22
55" Toshiba Projection TV (model 55A60R) lost the picture and on-screen display.


I have a 55" Toshiba Projection TV (model 55A60R) that recently lost the picture and on-screen display. Sound is OK.
My TV problem is when I turn on TV, sometime it work for 1-2 minutes,  and then blank screen. Sometimes no picture at all and sometimes it work fine for few hours until I turn off the TV. Any suggestions on what may have caused this.

fsjam22
I have a 55" Toshiba

I have a 55" Toshiba Projection TV (model 55A60R) that recently lost the picture and on-screen display. Sound is OK. After reading the posts, I think I have a problem with video output IC. I have service manual for this model. Can someone help me out for identified the video IC from circuit diagram or if someone knows the problem might be different then what I stated. I would really appreciate any help. THANKS!!

 

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