Question about Philips 42PF9630A 42 in. Plasma Television

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Philips 42" Plasma - Bad Y-Main

I followed the advice of the previous post, and if the power wire is disconnected, the LED error code stops. My question: How do I determine if the Y-Main only needs replaced, of if the Buffer boards need replaced as well?

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6ya6ya
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Posted on Jan 02, 2017

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jdbouncer
  • 72 Answers

SOURCE: Philips 42PF9630A 42 in. Plasma 42 in. Plasma

Ok 7 red blinking led, remove the back cover of the TV. Looking at the power supply in the upper left of power supply. If everything is working fine you will see a solid green led if there is an error, you will see this light blinking also. Right below this led on the power board you will see a list of numbers 1-13 this will give u the problems that this led flashing problems are. More and likely u will have a problem with VSET or VSCAN. Which is connected to the Y-Main and Y-buffers,( the board that is too the left of the power supply if u look on the small print on this board you will see that it reads. 42HDV4 Ymain and the 2 small boards connected to it are Y buffers. To be sure that this board is bad if the TV keeps going into error protection. unplug the power supply and wait for the led to stop flashing. Disconnect the cable that plugs into Y-Main from the Power Supply. It should stay running. If u remove this board and look underneath u should be able to see where this board is getting hot. Easiest fix is to order a replacement. Y-main assembly.

Posted on May 05, 2008

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mumma_1
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SOURCE: 42" philips plasma

when a television turns off by itself and flashes as you say, it indicates that there is a problem inside the tv. If you keep trying to turn it on you may do more damage. It could be something as simple as a faulty fuse inside. If you have no expierience with electrics I suggest you get it checked out by a professional. I had a similar problem with another tele model and it was the fuse in the back of the tele that needed changing. I did try to this on my own but unfortunatley didn't have the right fuse so i took it to a repair shop and he done it really quickly.

Posted on Oct 23, 2008

  • 1 Answer

SOURCE: Philips 42" Flat Screen Plasma - blinking red light 7 times - HELP please!

I had the same issue with 2 of these sets. It ended up being 2 capacitors were bad on the power supply. They are located towards the bottom of the board, you can visually see they were buldging and leaking slightly. I replaced them with 2 I salvaged out of an old computer (of same values) and the tv works as it did before.

Posted on Jan 08, 2009

kazzandra
  • 16 Answers

SOURCE: Philips 42'' Plasma TV 42PF7320A/37 red led error codes

3 flashes indicates that there is a problem in the power supply circuit. Being that you have experience with this, you might be able to fix it.

Posted on Apr 04, 2009

  • 44 Answers

SOURCE: Philips 42'' Plasma TV 42PF7320A/37 red led error codes

I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. Look to see if the Caps are deformed and or split at the top. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Posted on Jun 25, 2009

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Philips flat screen 42" flashing red light 7 times it stops for 5 seconds and 7 more flashes if i unplug and plug it a few time it will come on


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This fix was posted on similar problem, worthy of repeating: Replaced 3300mf 10V capacitors at PS. Both had bulged slightly. Upsized to 25V as the previous solution poster had suggested 16V but I could not locate 16V so used 25V and TV is back to normal!

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These 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://electronicshelponline.blogspot.com/
Blinking codes details of many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Jan 20, 2009 | Televison & Video

1 Answer

Power problem for phillips 42 plasma 42pf7321d/37


That blink don't mean nothing. Measurements need to be made. Don't just buy the board troble shooting would need to be done to see witch board is bad. Also look on the fron of the set and see how many time the led flashes. That wher your error code comes from..

Aug 17, 2008 | Philips 42PF9630A 42 in. Plasma Television

3 Answers

Philips 42PF7220A/37 April 2006. Chassis Number BP2.3U


Most likely the YSCAN UPPER board and/or YSCAN LOWER Board also gone. Your new YSUS board may damage again if you don't replace the bad YSCAN boards. Try to replace the three boards together and then to verify which boards are bad one by one. Good luck.

Aug 03, 2008 | Philips 42PF7220A 42 in. Plasma Television

1 Answer

NO PICTURE


7 blink error on that model is 8.6 volt error and generally caused by y main board. disconnect y main from power supply and if tv does not shut down and vs voltage comes up (test point on power supply) replace y main and both y upper and lower buffer boards as replacing one without other two could cause additional failures

Jun 26, 2008 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

Philips 42xxx Error Protection Codes


Unplug the Y main and see if the 7-blink stop and go to a green solid. If so replace the Y main.If not unplug the X main and do the same. Check the voltages on the PSU and make sure they are correct with the voltages as the panle says.

Jun 04, 2008 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

Philips 42PF9630A 42 in. Plasma 42 in. Plasma


Ok 7 red blinking led, remove the back cover of the TV. Looking at the power supply in the upper left of power supply. If everything is working fine you will see a solid green led if there is an error, you will see this light blinking also. Right below this led on the power board you will see a list of numbers 1-13 this will give u the problems that this led flashing problems are. More and likely u will have a problem with VSET or VSCAN. Which is connected to the Y-Main and Y-buffers,( the board that is too the left of the power supply if u look on the small print on this board you will see that it reads. 42HDV4 Ymain and the 2 small boards connected to it are Y buffers. To be sure that this board is bad if the TV keeps going into error protection. unplug the power supply and wait for the led to stop flashing. Disconnect the cable that plugs into Y-Main from the Power Supply. It should stay running. If u remove this board and look underneath u should be able to see where this board is getting hot. Easiest fix is to order a replacement. Y-main assembly.

May 05, 2008 | Televison & Video

1 Answer

Error light


There is an error code that flashes on front of TV. which is in this case an error 7 which is power related. Also there is a gree LED on the power supply that will flash an error code also. If u look on the power supply U will see a list of numbers 1-13 which list the error codes and what they mean.Usually if it flashes 1-9 its usually cheaper to just buy another TV. because the Power supply , Y-main, X-main will probably run $300 plus core charge.

Mar 27, 2008 | Philips 42PF9630A 42 in. Plasma Television

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