Question about Philips 47PFL7403D 47 in. LCD TV
The reason the set was given away is the boards for this model are rather expensive and unless you have a meter and other equipment you likely will not fix it.
As to the other comment, power supply is possible and caps are also possible, I will give you photo of what the bad caps look like if you can get the set open.
Posted on Nov 06, 2012
The capacitors at the power supply section should be suspected. Contact any service technician.
Posted on Nov 06, 2012
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Posted on Jan 02, 2017
SOURCE: screen is dimmed and flashing
It's the #1 plaguing issue with flat panel TVs in all brands.
If the red light on the TV is blinking when this happens, It should be an error trouble code.
The most common thing to go out on flat panel TVs is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. The Backlight Board supplies power to the screen in different sections. With a 47" screen, it maybe divided into 10 to 12 sections. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.
You have a few choices:
1. You can try leaving the TV unplugged for 30 minutes so the TV can reset itself.
2. If by chance the TV is still under warranty, go that route.
3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.
4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.
I hope I shed some light on the subject for you.
Posted on Jul 14, 2009
Have the Digital board and logic board replaced. the most common problem will be the logic board assembly. Altho the Digital board can also cause this problem. Try taking off the back and making sure the LVDS Cable is connected tightly to the logic board assembly and the panel, (Scrn), The LVDS Cable will look like a small wire harness with two metal clips on each end make sure it is secure, try disconnecting it and reconnecting it again.
Posted on Jan 13, 2010
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