Toshiba 50H72 50" Rear Projection Television "q301" Questions

bad power supply q301,q302 shorted need power supply module number I'm going to guess that you have a Sony set based upon the circuit designations that you listed. If that is so, you really don't need

...and its related components around it. If it lit you may want to replace the vertical output IC,Q301 and check the related components around it. The horizontal and vertical output is on the ...

...the center of the screen. I think it is one of the convergence IC's but am not certain which one. Q301? Thanks You will need to change both of the Convergence IC's----if you go to the trouble to ...

...deflection. This is usually caused by the vertical IC having shorted out. In the 61H60 that IC is Q301 an LA7833s Toshiba p/n#23319787 and costs about $20 bucks. But other components feeding that

...The problem you have there was a loss of vertical deflection followed by a complete failure of Q301, the vertical Ic LA7833S.It may have been in part due to the feed caps located in that circuit ...