Question about Philips 42PF9631D 42 in. Plasma Television
Let me provide you complete details as i am aware of this 7 blinks error.
Either the power supply has an issue , or you have a bad buffer board and Ysus scan board or both. 4, 5 or 7 blinks may mean power supply , 6 blinks usually the buffers and y board.
A repairman will usually just order the boards and you will spend over $700 probably around $850
It could be just a few bad capacitors on the Power Supply.
The Y board if its bad it should be replaced with the buffers together
If you want to attempt the repair yourself you can do a visual of the power board caps will appear swollen on top.
The ones you are looking for are located almost center bottom of the power board,Usually I can see them clearly with the back on simply shining a light into the back through the holes.
look at the photo I am uploading to see what a bulging cap looks like
With the back removed you will see a few circuit boards the large one the AC cord runs to is the power supply, it has alot of capacitors on it (cylindrical standing straight up soldered in and marked on the sides with the positive/negative sides and uf and Volts values)
Philips uses 2200uf or 3300uf at 35Volts rating capacitors, they cost about $1-$2 each . Read the side of your caps for the correct value
usually I replace two of them (or all the bulged on top ones) .
To buy capacitors click here
The power board and back unscrew with a torx bit and screwdriver size 10 and 15 , if you do not know how to desolder and resolder then do not attempt this as you may damage the TV more than fix it.
We do not recommend do it yourself, but depending on your knowledge and technical ability you may be able to.
You can replace the whole power supply, but Philips has a few versions in their sets and some so called replacements won't fit due to cable location (sockets) being in a different spot.
If there is a blinking red light on the TV count the blinks,if it still blinks after replacing the swollen cap this would indicate another issue.
I hope thats all it is (usually is), if there are no bad caps post again so I can tell you buffer troubleshooting steps and locations.
here is Philips Phone 1-888-744-5477 in case you need it for exact part numbers or check encompass.com login as a guest and run a search by model number.
Above is the picture of power supply board. Not to mention that kindly take all the precautions before attempting to repair this TV.
These caps could be easily available from radioshack or fry's.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
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