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I would replace the capacitor anyway as they are cheap. If it is the PCB, there isn't much on it, a transformer, some resistors and a component with a heat sink probably a triac. You could take that to a good electronics engineer and they could test it at component level.
Remove the board on which the capacitor is mounted, find where it is soldered in on the underside of the board, remove with soldering iron, clean the mounting holes, insert the new cap and re solder. Take note of the Negative and Positive leads before removing the old one and place the new one correctly. I Take this is one of the high voltage capacitors on the power supply board.
Check the electrolytic capacitor smoothes the video output voltage for value deteriation. Replace it, In most cases, this capacitor can be located at the video output circuit board [Picture tube base board]. The value of it may vary from 10MFD 350VDC to 47MFD 350VDC. Locate this capacitor. In some sets, it can be located at the main baord itself. Anyway, this is the video output supply voltage smoothing capacitor.
The capacitor is located to the right, remove top cover, follow the leads from the keypad to the circuit board, capacitor may be hidden under a flap of plastic, "silver in color and rectangular in shape, and a few inches long. Don't forget to unplug and discharge capacitor, "lethal voltages"
If the capacitors are polarised electrolytic type then they have a + and - leads. The - lead is marked on the capacitor with a stripe and a - sign. The circuit board where the capacitors are located will be marked with a - sign, make sure the capacitors are located correctly acording to the markings. You need to put the capacitors with the correct values (capacitor) in the correct place on the circuit board.
If the capacitors are non polarised type the it does not matter which way they are inserted on the circuit board, but they have to be the correct value (capacitor).
There are 2 capacitors located on a circuit board that have gone bad. They are located inside the TV. It is very easy to take apart and inexpensive to fix. If you know how to soldier you can do it or sent it away like I did to fix mine. On the back of the TV there are 3 screws holding on the cover. One is big in the middle and the other 2 are small on the ends. Remove them and slide the cover off. Remove the screws holding the metal cover and take it off.
The top circuit board has the blown capacitors. Located on the left top 2 small round tubes located at E17 & E18. Unplug the 3 or 4 connections carefully on the board and remove the 6 screw holding it in place. Take out the board and replace with new capacitors. I sent mine to JD Electronics in Poland Me. and he fixed it. I put it back in and it is fine now. I ordered the capacitors from DigiKey.com Part # 493-2069-ND. They were $1.09 a piece.
Hope this helps...........
I fixed this problem in my DVP642 by replacing a capacitor on the main
power board where the power chord hooks in. Take the top cover off
(after unplugging player). You'll be able to locate the bad capacitor
on the circuit board located on the very right. Look for location
marked c316 on the circuit board. A bad capacitor will be bulged up on
top. The capacitor you're looking for will be a black barrel shape with
an aluminum top, this aluminum top will be bulged up or leaking on the
circuit board. Replace this capacitor by desoldering the two leads into
the board and replacing with an identical part you can pick up at Radio
Shack for a couple dollars. My repair for this identical problem was a
success. The blinking light is the tip off for this particular problem
on these Phillips models.
I fixed this problem in my DVP642 by replacing a capacitor on the main power board where the power chord hooks in. Take the top cover off (after unplugging player). You'll be able to locate the bad capacitor on the circuit board located on the very right. Look for location marked c316 on the circuit board. A bad capacitor will be bulged up on top. The capacitor you're looking for will be a black barrel shape with an aluminum top, this aluminum top will be bulged up or leaking on the circuit board. Replace this capacitor by desoldering the two leads into the board and replacing with an identical part you can pick up at Radio Shack for a couple dollars. My repair for this identical problem was a success. The blinking light is the tip off for this particular problem on these Phillips models.
a matter of broken electric electric capacitors inside your TV.
Solution: - Open backplate (loads 'o screws and ruins your warranty) - Remove the connectors from the center circuit board - Remove the circuit board via 4 screws located on the side - Remove plastic on the back of center circuit board - Remove cooling plates of circuit board - Look for bulging capacitors - Solder these out - Go to local radio shack, take the capacitors (and spend about 5$) - Resolder new capacitors - reinstall circuit board - Hook everything up and close the back plate
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