Question about ViewSonic NextVision N3200w 32 in. HDTV-Ready LCD Television
My TV seems to be looking for a signal and the screen is blank. The green power light is on and the unit makes a chirping sound. I have tried using all ports with different sources and nothing changes. Any way to reset the TV?
That chirp indicates a feedback on the secondary transformer in the switch mode power supply and needs to be either repaired or replaced. A good shop can have this one back up in an hour or so - assuming they have the parts on-hand... If they have to replace the SMPS you'll naturally have to wait a few days. Most shops don't have such specific parts on-hand and will have to order it.. Replaced an entire SMPS for an Akai recently with the same symptom, chirping. Turned-out to be the regulators and two MOSFET's. A MOSFET is a metal oxide semiconductor field effect transistor.. In laymen's terms a switching gate. But below the two MOSFET's, when they went thermal they burned the board and several small traces which could not be bridged. The SMPS was $70.00 plus shipping, and you're probably going to be somewhere in that ballpark on this too if the whole SMPS has to be replaced. Good Luck Bill
Posted on Jun 08, 2007
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