Question about Philips 30PW633R 32" TV

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Picture blinks... When I turn the TV on, the screen blinks about once every second or two.What do I need to fix it?

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This is the problem of power supply called hunting.

there might be some capacitor faulty or loose or may not be getting supply in switching oscilator section of power supply.

hope this will help.

good luck.

 

Posted on Oct 17, 2007

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Posted on Jan 02, 2017

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Picture blinks on an off an has no sound how can this be fixed


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Tv wont come on and a red light is blinking. I have a Sony Wide screen projection TV model kp-46wt520


Can you unplug the TV for about 15 seconds, and then plug back in and watch the stand-by light. Tell me how many time the stand-by light blinks in regular intervals. If it doesn't blink at all, you need to change a fuse on the g-board. Once this is done run back through the stand-by blink light process, and more troubleshooting can be done if problem isn't already solved. If the stand-by light just keeps blinking with a count over ten just tell me, and I'll look for other possibilities.

Oct 25, 2009 | Sony KP-46WT520 46" Rear Projection...

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Blue Screen and TV shuts off


Here's a shortcut to what the blinking codes mean.
http://www.somelifeblog.com/2007/08/sony-tv-led-blinking-codes-what-does-it.html
Strange how some people have 5 blinks. Most with this problem have 8 blinks (like myself)

I still have the blue-flash-then-shutting-off problem.. (8 blinks meaning voltage error) but I did fix the blue lines.. The lines across the screen can be very easily fixed whether they're blue green or red. . No, I mean REALLY easy. Took me longer to get the cover off. Once the front cover is off it takes 10 seconds. This link was also posted recently in one of the posts below as a solution..
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
(My lines didn't look like the ones in the picture mine were several evenly spaced blue arcs)

After some research I believe the flash/shutting off problem means the CRT is going. I've also read that it might be the D-board and I'm not even sure that that is... But If it is indeed the CRT then I'll let you know it's very difficult to find a replacement blue CRT as this part has been discontinued.. but I did eventually find an alternate to an alternate part (yes that's the 3rd alternate !)) online for $256. Here: http://store.tv-repair-service-salinas.com/8-733-649-35.html

If you're bold enough to attempt that then good luck and please let us know if it worked.
Or another alternative is there's a whole lot of Boxing Day sales goin' on right now.

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1 Answer

Tv/dvd codes


to find out which code is operating your TV:
  1. Turn on your TV.
  2. On the remote control, press TV once. Then press and hold Setup until the TV key blinks twice, then release Setup.
  3. Enter 9- 9- 0. The TV key will blink twice.
  4. To view the code for the first digit, press 1 once. Wait 3 seconds and count the number of times the TV key blinks (e.g., 3 blinks = 3) and write down the number in the left- most TV Code box (at end of this section).
Note: If a code digit is "0", the selected mode key will not blink.
Repeat step 4 three more times for the remaining digits. Use 2 for the second digit, 3 for the third digit, and 4 for the fourth digit.

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The power light is an error code that tells me exactly what is wrong with the TV. Count how many times the POWER led flashes per second? (Dont worry about the OPC led)

1x per second (constant steady blink) = bad inverters/lamps
2x per second = bad power supply
3x per second = bad main board

If its 1x per second, try doing the factory initialization to get the TV back on to confirm a bad lamp/inverter.

Try doing the Factory Initialization (WARNING: THIS GIVES YOU ACCESS TO THE SERVICE MENU. DO NOT ADJUST ANYTHING IN THE SERVICE MENU OTHER THAN WHAT I PROVIDE YOU IN THESE INSTRUCTIONS. IF YOU DECIDED TO ADJUST ANYTHING OTHER THAN WHAT I PROVIDE YOU IN THESE INSTRUCTIONS, I WILL NOT BE RESPONSIBLE IF ANYTHING WRONG HAPPENS TO YOUR TV.)

  1. unplug tv
  2. press and hold at the same time “Vol –“ and “input” button on the TV set.
  3. while holding those buttons, plug the tv back in
  4. the tv should turn on by itself, keep holding the buttons until the letter “K” appears. Then let go.
Once the TV turns on, take a look at the screen. Does it flicker then shut off? Or do you hear a buzzing noise from the right edge of the TV? If so, then you have bad inverters or lamps. Once youre done, unplug the tv to get it out of the service menu.

If it is 2x per second or 3x per second, then those boards are just bad and they need to be replaced. There isnt anything you can do right now to fix it.

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Sounds like the remote is not programed correctly or the input sources have been changed.

Call the cable company and complain that it worked before they came and shoud work afterwards.

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there are fans inside tv need to make sure they are clean and free of dust

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I had the same problem about a 8 months ago. I searched online and found that there is a problem with one of the color guns. They need to be replaced. I don't remember where I found the information, but there is a number or something to call for this problem. I think that my authorized sony repair man knew of the problem, there are other models that have the same problem. Anyway, sony replaced all three guns in my tv FREE of charge, and my tv was no longer under warranty. They did all repairs and fixed my tv.

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