Question about Hitachi 53UWX10B 53" Rear Projection Television

1 Answer

No raster, no sound on 53UWX10B

The initial problem was convergence,after replacing the ICs and resistors,then replacing the ICs a second time, because I got the
power LED in front blinking after the first replacement.
Now the TV acts like its on, no blinking LEDs, 4 green,and 1 red
lit on center board with the hi voltage circuitry, and 1 green LED on the
power supply board also lit, but there is no raster, the CRT filaments
arent even lit.
This TV seems impractical to measure voltages on with hi voltage
components right in the way.
Any info or help will be greatly appreciated.
Thanks

Posted by on

  • Anonymous Jul 05, 2008

    I have a very similar problem no raster no sound. Open back of tv blinking red on high voltage board. Solid green on small power supply mounted on the side. Front of tv blinks red. Any help would be appreciated.

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  • Hitachi Master
  • 8,617 Answers

Double check the wire connections, as the filaments not being lit makes me thing a wire isnt connected properly, or one may have been loosend while doing the convergence repairs.

Posted on Jun 12, 2008

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