Similarly to the recent posting by bwb68, when I turn on the TV I hear the speakers click on and the red power light glows but there is no picture or sound. We were in the middle of Lemony Snickets when it just went blank. Other devices on the same surge protector kept working fine so I am concerned.
I got this baby new in 11/02 and it has been good so far. Am I in big trouble or can I fix this on my own? I hate to spend the money on a repairman to tell me I am screwed.
Help and thanks,
Glenn
[email protected]
Thanks so much Bill. I am relieved to hear that I am not shopping for a new TV. You arre the best. I don't suppose you are in NJ?Thanks so much Bill. I am relieved to hear that I am not shopping for a new TV. You arre the best. I don't suppose you are in NJ?
Finally got a repair quote - $550 to $650. They confirmed that it was the power supply and also mentioned two other parts that may be suspect. Anyway, this is way over my budget but I hate to scrap this investment.
Are you sure I can't do it myself?Finally got a repair quote - $550 to $650. They confirmed that it was the power supply and also mentioned two other parts that may be suspect. Anyway, this is way over my budget but I hate to scrap this investment.
Are you sure I can't do it myself?
AnonymousNov 12, 2007
hello i have had my bigscreen for 5 years now ...and has done the same thing snapping and going off and on not sure what it was myself?? you have come up with power supply..i to did not want to discard my set they are expensive!!! who can fix these for us?? and you say 550 to 600 to fix??? ifound that parts on the mother board are burnt and the snapping was arcing on the board called tv repair got # off board called suplier with #he says NLA no longer exists!!!can i buy a new board??? brianhello i have had my bigscreen for 5 years now ...and has done the same thing snapping and going off and on not sure what it was myself?? you have come up with power supply..i to did not want to discard my set they are expensive!!! who can fix these for us?? and you say 550 to 600 to fix??? ifound that parts on the mother board are burnt and the snapping was arcing on the board called tv repair got # off board called suplier with #he says NLA no longer exists!!!can i buy a new board??? brian
had same prob. with my 65 in looks as if board around power supply is burnt took board # pd 0640 and called tv repair they called suplier they told tv repair nla no longer avaiable??? is this true??? help!!!! brianhad same prob. with my 65 in looks as if board around power supply is burnt took board # pd 0640 and called tv repair they called suplier they told tv repair nla no longer avaiable??? is this true??? help!!!! brian
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934 Answers
Re: Screen want black
Well you've come to the right place - - even though this is one you probably can't fix yourself this "repairman" is here to tell you that you're not screwed either...
From what you've explained it sounds like the SMPS (switch mode power supply) or something in the B+ volatges are at fault. The fact that the TV does power means that your lower voltages are still working and the x-ray protection circuit is probably keeping the unit from doing any critical damage to itself.
So, my best professional advice is, have an expert look at it..
As a couple of tips: (1) Find a good reputable shop. Call NESDA and ask for phone numbers to some or their member shops in your area. (2) Take the unit to the shop yourself. Have a buddy help you load it in the back of a truck, strap it down, and take it in.. Much of the cost will be in transporting.
(3) Have it estimated before any repairs and know ahead of time what the shop charges to estimate the job.
(4) Ask to have the technician save all the old parts and compare those parts later with what work is outlines on the final invoice.
The kind of repair you have there is something I do every day, sometimes two and three times a day - - to TV's that are far less worthy.
Hope this helps!
Bill
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Something is causing the TV shut down or go in to 'protect' mode.
It is unusual to actually hear a component inside the TV go bad, but you obviously did. Probably in the main power supply or something that normally uses a higher voltage in the TV since you heard it..
Contact any service technician. It will be best in this case. If you're sound in electronics, and have some previous knowledge in servicing LCD TVs; please respond. Otherwise please !!!!!!!!. Time is precious for us.
Main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter". http://electronicshelponline.blogspot.com/
The solid red light and the glow of the screen indicated the set is on . also if set is on a red light should be emmiting from the optical out jack. Seem like you have lost audio and video. If no menu appears when pressed on remote the replace the main board. Panasonic calls this the A board.
Plasma tvs do not have "back lights" LCDs do. you probably have a bad driver board along with the upper or lower buffer board or maybe both, best to have a tv shop look at it.
most times then not it's the capacitors on your power board that blew there for not supplying the tv with enough power if you open it up and check the capacitors it should be leaking some kind of liquid or the tops have bubbled up. its an easy fix cost>>2 dollars each
I am from Australia and this TV is a dud. We purchased it 12 months ago and it has been to repair twice. It is doing the same as the above message. Prior to this the screen would half, horizontally, go black or white with coloured vertical lines. Never buy another of these.
Thanks so much Bill. I am relieved to hear that I am not shopping for a new TV. You arre the best. I don't suppose you are in NJ?
Finally got a repair quote - $550 to $650. They confirmed that it was the power supply and also mentioned two other parts that may be suspect. Anyway, this is way over my budget but I hate to scrap this investment.
Are you sure I can't do it myself?
hello i have had my bigscreen for 5 years now ...and has done the same thing snapping and going off and on not sure what it was myself?? you have come up with power supply..i to did not want to discard my set they are expensive!!! who can fix these for us?? and you say 550 to 600 to fix??? ifound that parts on the mother board are burnt and the snapping was arcing on the board called tv repair got # off board called suplier with #he says NLA no longer exists!!!can i buy a new board??? brian
had same prob. with my 65 in looks as if board around power supply is burnt took board # pd 0640 and called tv repair they called suplier they told tv repair nla no longer avaiable??? is this true??? help!!!! brian
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