Question about Polaroid FLM-3232 Television

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TV doesn't turn on

When I plug the TV in and push the on button, nothing happens. It just stopped working. I opened it up and put a voltmeter to the connections where the transformers supply DC to the PCB. There was no voltage but the transformers were supplying around 80 Volts DC. What do you think is busted on the power regulation board?

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  • motorcitykid
    motorcitykid Feb 20, 2008

    SAme problem will not turn on. When turn it on the red led light blinks one time and thats it. Checked fuse. I can get the backilght to come on if i unplug and replug in different wiring harnesses from board to board. But no picture appears when i get the lights on and also when i get the backlight to stay on the tv will not do anything at that point. The red led stays solid red during this period of time and power button will not work, and i have to unplug power cord to make it go off. Then have to plug it back in and mess with those harnesses to get lights to come back on. I dont know. I hate polaroid.....

  • warper2001 Mar 09, 2008

    only half of the board has power and the heat sinks have 80V across them as well. Its like half of the boards heatsinks are 0V and the half thats near the ac to dc rectifiers have 80V. It even tells me that the big 150uF @ 450V cap is connected to the heat sinks. but I can't find were they bridge. Is there an easy systematic method to solve the problem or am I just totally off?

  • BudP Mar 18, 2008

    was working fine one day then decided to use it with my computer cause it has all the hook ups worked great for two days then just would not come back on no lights for the on off button ,i hear it start up but nothing comes on..

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First warper2001 your power supply is probanly bad the voltage checks was you getting 80 volts on the output side of the transformers each one should be labeled as to the output voltage, at least one of them should only supply 24 volts, the transformer went bad probably overheated and melted the protective coating in the trans and let the voltage increase. could have burned out lots of things. unplug it, use a screw driver and short across the plug ins and the ground on the cord to drain the capicitors in the unit. the ohms check the components through each and to ground. check for opens and shorts. when checking a board remember that you will get a little bled back because you cannot isolate the parts. so most of you ohms readings should be large amounts of resistance if not you have a problem with that component, wire coils excluded. ie transformers they are best voltage checked. hello motorcity kid. i sent you a buddy message but also remember these items of advice.

Posted on Feb 25, 2008

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