Question about Philips Televison & Video
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Posted on Jan 02, 2017
SOURCE: philips 42pf7320a/37 dead
I do agree with the tech but if the green led don't come on and the 7-blink error code is still there. check the connector from the logic board that will be the board under the small signal baord. The small signal board have the AV input on it. Check the connector from the logic board to the power supply there should be one connectore btween those 2 boards. On the power supply side second pin from the left it will say Vs_On if the set has 0 volts the proble is the SSB or the logic board. how to determain that is to Use 2 Jumpers to short J8003 & J8004 on the left edge of the PSU (see figure below).
Use 1 Jumper to short CN2012 on the lower left part of the Logic PCB (this will supply a 100% White signal to the Display).
Plug in the AC to the PSU thru CN8001.
If PDP panel operates with White field screen then problem may be the SSB.
Posted on Aug 20, 2008
The TV is on protect mode.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.
If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.
If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on May 21, 2009
if this is a 37lg30 i have brand new spare parts. the tv was never used it was dropped and the screen was damaged so i just took out the parts out. i was originally looking for some one that had a problem with there tv but a good screen like you but its easier to ship out the boards.
Posted on Jun 06, 2009
I have Philips 50 inch plasma TV purchased almost exactly 3 years ago. Completely out of warranty. Paid 1999 bucks for it new. Now Plasma TVs similar to this are 800 bucks. I figured the cost of a repair tech coming to the house would be around 500 bucks.. so I decided I could "do no harm" and look at the power supply. Sure enough, two 3300 uF caps were swollen.. I am far from a true electrical repair person, and if it were not for the caps being swollen, would have no idea that they were bad. I am however a little bit skilled in soldering. So I ordered replacements for about 8 bucks. The caps were actually only 1.50 ea. but the min order fee and shipping brought it to about 8 bucks.. I got them from studiosoundelectronics.com . They came in today and installed them... to my astonishment, my TV works as good as it did when it was new... I must say that I am dissapointed in Philips.. and will never buy another product from them. If it is out of warranty.. they will not even talk to you.. I don't think it is too much to ask when you spend 1999 bucks on a product from them.. I expected my TV to have more than 2.999 years in life in it. Thanks a million to this site for providing soulutions for folks..
Posted on Oct 03, 2009
Power supply board have dead capacitors.U know how to solder?Replaced these capacitors that bulge up,puff up or burst open.Should get ur power back.Or replaced a whole power refurbish power supply buy it at Shopjimmy.com,Ebay.com.
Posted on Feb 06, 2010
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