Question about Philips 20PF5120 20 in. EDTV-Ready LCD Television

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My Philips 20pf5120 TV has picture and sound but it continually blinks all the time. How can I fix this?

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I'm assuming that by blinking you mean that the led is blinking - if the screen is blinking then the problem is with the CCFL tubes and since these are very hard to find it will be cheaper and easier just to get a new tv.
The led is blinking in only 2 cases: 1 - when there's a command signal active and 2 - when the power source of the tv autooscillates.
1 - appears when: the remote is constantly sending a signal - easy to test, remove the battery; one of the buttons on the tv is busted and constantly on - the volume or the channel will be constantly changing, you would see that; the IR sensor or the processor from the tv is malfunctioning - you must open the tv and test it. 
2 -  an capacitor has aged and no longer does its job of filtering the current - you must open the tv to check and replace the faulty one.
If you don't have even the most basic experience in the tv electronics then it's time to call a repairman.

Posted on Jul 05, 2010

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Philips Model ID 20pf5120/28


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1 Answer

Remote codes for dish network remote?


1. Mmanually turn on the device (TV, DVD, etc.)
2. Press and hold the CODE SEARCH button until the red indicator stays on, then release the CODE SEARCH button.
3. Press and quiclkly release the desired mode button 9TV, DVD, etc.). The red indicator blinks off once.
4. Press the CHANNEL UP button repeatedly (up to 300 times) until the device (TV, DVD, etc.) changes channel. The red indicator blinks once with each button press. If you accidentally overshoot the code required, use the CHANNEL DOWN button to backtrack through the library until the device again changes channel. Pressing the CHANNEL UP changes direction to forward again.
5. Press and release the MUTE button to install the code.


or try these
002 009 109 202 209 210 310 402 408 508 510 807 901 914 917 good luck its one of these!

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1 Answer

20pf5120


Are you connecting the tv to your source using the DVI, component (Red Green Blue + 2), or composite (Red, Yellow, White)?

Try switching the type of connection you are using. If you are connected via component, then switch to composite. If the problem persists even on composite connectors, then the issue lies with the TV. If the composite cable works fine, then the problem is most likely the cable you are using.

Press the sleep button, and make sure the sleep timer is set to OFF.

Unplugging the TV from the wall outlet resets the TV.

If you have a cable or satellite box connected to the TV, then try resetting the box also by turning off/unplugging from wall outlet.

Surge protectors can cause some occasional anomalies with LCD TV's (they're still a good idea) - just reset the TV to clear up these anomalies.

-Tha Mp3 Doctor

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ok you have defective power supply! from the secondary power supply! or hot side.

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