Question about Panasonic TC-P46S1 TV

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15 months into owning our Panasonic TC P46S1 (3 months past warranty), the screen has gone black. The red light on the front flashes 7 times with a pause of 3 sec and then repeats. I have heard horror stories about this type of flashing. Is this worth fixing?

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My suggestion is that you get an estimat from a dealer on repair costs and you decide whether you want to spen money on a part or new set. This is a bad circuit board and probably the power supply. The repair will be around $200.00 minimum unless you get lucky and there is no major issues and the board can be repaired.
The service manual says. you have what you call a "shut down circut" it is for safety and when one of the internal boards gets shorted or is not working properly, service doc reads as follows

7 Blinks SOS:
Pin 93 of the MPU IC9003 monitors the status of the SC, SU, SD board. During normal operation, the photo-coupler PC6480 outputs a low to pin 93. If the SC, SU, or SD board becomes defective, a high is provided to pin 93. As a result, the unit shuts down and the power LED blinks 7 times


thiera blinking 7 times is cuase by a fualt in sc,su,sd board.


If the board shorted another before it went dead you could have other issues, thats why you need a tech to look at it and give you an estimate. You never know, this being so close to warranty they might work with you on it.

Posted on Mar 23, 2011

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