Question about Zenith IQC50H94W 50" Rear Projection Television

No Pic or Sound

Turned on my set that had just been working fine and there is no picture or sound. Slight Electrical odor when turned on. Also a "chirping sound about once a second. LED DP37 blinks in unison with the chirping sound. What broke??

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3,130 Answers

It sounds like a defect in the horizontal drive or HI voltage circuit. Could be the Horizontal output transistor , and /or the flyback transformer, a short in the scan derived power supply on the output of the flyback transformer. If your not aware of the HI VOLTAGE issues and have soldering experience you should seek a pro to assist ya in this repair. If you do have the experience, get a schematic and start with the hi voltage circuit. Good Luck

Posted on Jun 18, 2006

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Connected to cable box sound no picture reboot left tv on 3 hrs. fine. turned off. 2 hours later turned on now no pic just sound. When the tv is cold no pic. when warm pic. ???

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Connected to cable box sound no picture reboot left tv on 3 hrs. fine. turned off. 2 hours later turned on now no pic just sound. When the tv is cold no pic. when warm pic. ???

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IQC50H94W 50" Rear Projection Television

Connected to cable box sound no picture reboot left tv on 3 hrs. fine. turned off. 2 hours later turned on now no pic just sound. When the tv is cold no pic. when warm pic. ???

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No Pic or Sound

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Related Questions:

Connected to cable box sound no picture reboot left tv on 3 hrs. fine. turned off. 2 hours later turned on now no pic just sound. When the tv is cold no pic. when warm pic. ???

Sanyo dp50747

Sound no pic. after on for 20min then turned off back on and pic. now it will not get pic just sound

I have no picture. Sound & Signal are working

RCA D52W19 52 in When my set is Immed, turned

It was working fine then no picture dark sceen sound work fine

No pic No sound

TV working, then suddenly no picture, no sound

No pic No sound

No Picture

Not finding what you are looking for?

IQC50H94W 50" Rear Projection Television

Connected to cable box sound no picture reboot left tv on 3 hrs. fine. turned off. 2 hours later turned on now no pic just sound. When the tv is cold no pic. when warm pic. ???

Open Questions:

what controls the size of a digital screen on a computer or a tv

I just logged into RD on Cyberflix TV, but there are no RD links showing up/

My firestick TV won't connect to Amazon cloud service

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