Question about Polaroid FLM-3732 Television
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Posted on Jan 02, 2017
First of all please unplug the TV for an hour or more. If this power reset does not allow the TV to turn on component failure is indicated. These sets are assembled using the wave soldering process they are known for having cold solder connections. The safety circuitry shuts the TV set down when it detects a problem. This model of TV has over 2,000 parts which include millions of transistors inside the integrated circuits. The capacitors will change value, leak and become defective. Resistors will change value and burn. Integrated circuits and transistors can go bad. This can cause other components to become defective, which can have a domino affect and cause other parts to fail. Replacing one defective part may make the TV operate for a short time but the part will fail again since if the parts that caused the failure to begin with are not replaced. The only way to know for sure what is causing the problem and for proper repair all the electronics must be diagnosed with the correct electronic test equipment and the correct skills to use the test equipment.
If you want to repair it yourself then you must be having an oscilloscope and has a knowledge to operate it.
If you decide this is not something that you can do it yourself then this repair will be about $100 to $300. If the problem is a bad circuit board, and if the board can be repaired or has to be replaced. A small TV repair shop will often charge less for the repair than a large electronics repair facility.
Please do accept this solution and revert for further assistance.
Posted on Jun 24, 2009
Hello: This is a problem with the power supply unit, There are two capacitors that need to be replaced in this unit. They are the two 1000uf 10V Capacitors that is failing on the power supply, If you take off the back there is a metal module in the center of the unit, lf you open it the power supply is located towards the upper part of the system. Look at the capacitors for puffy and swollen tops, just in case you don't know what capacitors look like they look like tall batteries mounted vertically on the board with metal type tops. If you run your hand across the top of them they should all be flat. Look for the two swollen ones and replace. The Value on the Capaictors should say around 1000uf at 10V. Replace with 1000uf at 16V. The reason you television is malfunctioning is that these caps are leaky.
Posted on Nov 08, 2009
Testimonial: "Your solution was exactly right . The only thing that was confusing was the part about the capacitors being mounted vertically . It is fixed. Thank U "
I suspect you may have 2 capacitors in your control module that need to be replaced. When these caps start to go bad it will often show up as a problem with the sound. However, when they get really bad they can prevent the TV from turning on. Please see the link below, posted by stiv0. It gives detailed instructions on how to replace these caps and to tell if they're getting bad. If you follow these instructions you can take the back off the TV and check out the caps. If the tops of the caps are bulging they need to be replaced. Just be sure to replace them with the correct value (1000uf) and use caps that are rated at a higher voltage than the originals. I replace the 10v caps in my FLM 373B with 30V caps just to be on the safe side. If you know how to solder this is an easy and inexpensive fix. If you don't know how to solder find a friend who does. These caps have positive and negative terminals. It's important you solder the new caps in with the correct polarity. Stiv0 gives instructions on this. Even if the caps aren't bulging this fix is so inexpensive, less than 10$, that you may want to try it anyway. I hope this helps you out.
Posted on Feb 09, 2010
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