Question about Panasonic TH-42PX60U Television

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TV shuts off and has a red flashing light

When i first tun on my tv the picture does not come on but you have sound that is intermitten. After a few seconds the tv shuts off and the solid green light goes to flashing red.

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  • 49 Answers

This is standyby mode problem.remove stand by transistor and on the tv through series cvonnection and find the problem

Posted on Jul 31, 2010

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Posted on Jan 02, 2017

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No Picture, but sound for a minute, then shuts off


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I think your Display card not proper work so please contact LG Technician.

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I have a phillips 42fd9954 17s. when i turn it on the green light tuns on for like 6 seconds then fades . then nothing. no sound no picture. any idea. i am using a comp cord. had no cord when i got it


if you use vga input and there is no signal the tv shuts down in few second. It will wake up again if you provide vga signal or cycle it on off again. Change input to component or s-video and tv should stay on. On the other hand, this model has known problem with bad power supply unit but usually red light flashing when tv shuts down in that case.

Oct 16, 2011 | Philips 42FD9954 42 in. Plasma HDTV

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The TV shut off, made a popping sound. The


Power board short and bad capacitor blown, capacitors usually pop because of shorted or open rectifiers and linear devices that warp inside. This happens due to excessive heat exposure from the current draw. Bad diodes and FET's are usually the root cause as to why capacitors bulge then eventually pop. This means the the x-y sustain boards are not getting their supply voltage resulting a no picture....

The red light flashes an error code for a technician to read, the tv is in protection mode to prevent further damage. Get it serviced at your local repair center or take it back if its under warranty.....

Nov 04, 2009 | Panasonic TH-42PX75U 42 in. Plasma...

1 Answer

Picture & sound shuts off


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

Oct 06, 2008 | RCA L32WD14 32 in. LCD Television

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