Question about Emerson EWF2703 27" TV

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Turns off instant turned on

Soon as you push power button, shows green and instantanly turns off

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Sorry to say, but this is usually caused by a bad picture tube. A short circuit has occurred, and the TV's protection circuitry shuts the set off right away because high voltages are appearing where they shouldn't. The only cure is a new picture tube, and that would exceed the cost of a new set.

Posted on Mar 25, 2009

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When we push the power button on the remote or on the tv the green light comes on for one second and then shuts off ... tv won't turn on


you have a short circuit in the power supply.
1) test the power cord very well
2) test the main swithc for short or open
3)test the power supply, look for a short in transformer+coil+filter+diode+rectifier. and replace
4)test the HVRECT+fLYBACK+ horizontal output for +125Vdc +vertical output for +80Vdc ALL this go to the CRT
color +12vdc+other circuit +12vdc. The first thing do you will have is RASTER, see the block. d
God bless you
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