Question about Televison & Video
There is something wrong with the image in my tv. All the parts look fine. No blown capacitors or anything. Don't know what is wrong or what to replace.
The internal power output maybe need replacement.If you have outage power loss the IPU receive to much voltage when the power restore and become faulty
Posted on Jul 16, 2013
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Posted on Jan 02, 2017
Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or
not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.
I repair these power supplies. Write to firstname.lastname@example.org if you require further assistance.
Posted on Dec 30, 2008
Your problem is due to intermittent power in the backlighting circuit. This is usually caused by swelling of electrolytic capacitors in the power board. If you can find an honest electronics technician it is about a $40.00 fix.
Posted on Jan 18, 2008
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
Please post back what you find.
Posted on Nov 17, 2009
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