Question about Polaroid FLM-3734B 37 in. LCD HDTV
I also brought this TV during 2007 Thanksgiving sale. Yestarday onwards, we were getting problem with blank screen and a smoke smell from top of the TV. Audio works fine.
Does Polaroid covers any replacements for such problems?
Any help is greatly appreciated.
Open the cover and look for the burned componet.Usually it must be a condenser. Rarely a resistor.If it is a condenser just replace it with the similar one. Note the polarity while replacing. If it is resistor need to check the associated circuit for over load. If you not sound in electronics reffer to an expert.
Posted on Sep 11, 2009
Replacing 2 capacitors 10uF 450V in the power supply fixed my problem.Hope this helps
Posted on May 18, 2012
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Posted on Jan 02, 2017
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Jun 06, 2012 | Polaroid Televison & Video
Power on the unit in the dark room then shine with the flashlight directly in the screen, you will barely see the images. This is because your backlight is not functioning. The following reason is the caused.
1. Power supply - missing B+(supply voltage) coming from this board feeding the inverter board. This is caused by faulty transistor, dried/leaky electrolytic capacitor, open fusible resistor.
2. Inverter board - even the B+ is good from the power supply, if the fuse, driver transistor, driver transformer is faulty no output to the backlight resulting to black picture.
3. Busted backlight - even inverter board is good but if this is busted resulting to black picture also.
Diagnosing the fault is technical and if you don't have necessary tools and test instrument and can't fix it yourself, I would advice you to look for an experienced technician to isolate the problem.
Hope I helped you.
Have a nice day!
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