Question about Zenith R57W46 57" Rear Projection Television

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Zenith r57w46 rear projection tv

Loud static sound when i turn it on and theres no picture. then it turns off

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The static sound may be due to a defect in the high voltage circuits, IE Fly-back transformer or and voltage multiplier, posibly high voltage leads to the CRTs arching to ground, finally horizontal sweep circuits

Posted on Apr 28, 2010

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My zenith R57W46 has no sound, but has picture.


in the model listed the set will "turn off" the tubes if No High Voltage, a vertical or horizontal circuit loss of sweep etc.

Need a schematic and a meter to start checking things.

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Can you remove the rear panel and check if the hissing is coming from the flyback? Which is a large transformer with a large red wire coming from the top of it? If so can post a link where you can get a replacement their not exspensive and their easy to replace. If its not coming from the flyback post a picture of where the hissing is coming from and I will identify the parts for you, But I feel its the flyback due to the hissing. respond to this same post so I have your correct model number when you reply.

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Your green CRT is shorted out. it will need replacement.

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