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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.
It depends on whether you are able to see a clear image or not. check the lamp first if its more than 2 yrs old you may need a new one, last one we checked with the problem you describe had a fan running slow. The fan nearest the lamp needs to run correctly or the tv will shut down. Good luck !
You may have three bad capacitors of the same values (35 volts at 1000Mfs). These are in your power supply. Locations are as follows:C965, C966, and C964.Also replace C975 which is a 35 volt at 220 Mf and 972 which is a 16 volt at 1000Mf. Be sure to use the 105 degree caps (high Temperature) in this unit. Hope this will help you in a fix. Thanks for asking and show all hands of support!
ok, there are 16 pins in the DLC you want to jump #4 and #12 as you look at the connector from left to right top row is 1-8 bottom row from left to right 9-16, both rows the 4th pin jump them together. then count the flashes all codes are 2 diget ( example flash-flash pause flash-flash = code 22 )
This was a common problem for these tv,s. The tv is getting to hot it sounds like and that is why it comes on and then off right away. The tv is made to shut off if it sense something wrong like, over heating, something goes out and the tv knows so it shuts it down as well. That could be alot of problems to find out the wright problem you might need schematics for that tv. The tv is putting out a code as well right? The code that you mentioned might tell it for you. Enter the tv and model number in your seach provider and it will come up with a little searching on the internet your blinking problem.Thanks
The number of flashes indicate an error code,you should call the customer help line that is in your owners manual and relay the number of flashes to the operator and they will assist you in a solution.
Most likely the problem is your Philips 42PF7220A/37, may not have the same power supply board as other people are talking about on the net. So, the C2074 capacitor maybe under a different number.
The best thing I would do if I had the same problem is to get a Service Manual on the internet. It cost about less than $20. Right now your TV is in " Protection Mode" and blinking a trouble code with the red light.
The Service Manual will tell you what the red light blinking code means. Plus, it will give you schematics, part numbers list, and test point for diagnosing. It's better to have a manual for fixing than going by guesses over the internet.
Never publicly post your serial number on a forum like this. If I wanted to, I could go to www.usasupport.philips.com , enter that model #, and click "product registration," right now and register that product in my own name.
I have a 56" model that I have had a similar problem. My bulb burned out in <90 days. Warranty was 90 days on the bulb itself. When the TV picture goes out, the indicator LEDS blink on and off.
Here is what you have to determine:
1) First cover the left LED with a piece of paper so that you can't see it blinking. I don't know if your layout is the same as my TV. You may have to switch the paper blocking the LED.
2) Pay attention to the other LED and READ its' flashing code. In my case, the code was 2-3. It would flash 2 times, pause briefly, then flash 3 times. This meant code 23. That indicated the bulb was burned out.
3) If you look in the manual, It does have a code list of some sorts to tell you of the codes and their meanings. Hope this helps.
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