Question about Zenith IQC50H95W 50" Rear Projection Television

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No Power Plugged in, will not turn on. Fuses check out ok. Transformer? Any help would be GREATLY appreciated. Thanks

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  • dhunt03 Jul 08, 2008

    same problem w/ my WD-52725 62". No power.  It just started this behavior this week.  I've had the TV about 3 1/2 years.  I can press the reset button and all is well until I turn it off, then we go through the same process...any ideas would be helpful...



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The most common problem with this symptom is a shorted Horizontal Output Transistor. Usually the flyback and or yokes are partially shorted also and caused the transistor to fail. Unless you have experience working on TVs they are complicated and dangerous and should be repaired by competent technicians. Remember that this is only the most common problem. Your problem could be just about anything from a bad eprom to a shorted component and everything in between. If you checked the fuses and they are ok it sounds like it's time for a tech.

Posted on Jun 23, 2006


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Unit is dead....

The power supply is the first place to start.

Is there a transformer? Check to see that there is AC on the primary & secondary of the transformer.

If no AC on the secondary, then the transformer is bad. If AC ok on the secondary, then look for a bad rectifier diode/module and/or regulator module. There might also be fuses on the DC side of the power supply.

If the unit is completely dead, it's most likely a power supply issue.

Please let me know if I can be of further assistance to you.

Good luck!

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