Question about Acer AL2416W 24 in. LCD Television

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Turn on and acer flashes on screen then goes black, sometimes if you press on/off many times screen comes on and is good for about a day

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I found C34, C35, C36 and C38 (all 100uF 35V) caps with their bottoms blown out due to over voltage. I suspect Q4 and Q6 to be the culprits. They are both short circuit. F2 found open circuit.
All of the above are found on the backlight inverter PCB.
My problem is sourcing Q4 and Q6. No data available on these devices.
Any help would be appreciated.....

Posted on Mar 12, 2010

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The backlight inverter board may be going out, or bad power supply for the inveter is bad. Look at the power supply module fist since it is easy to get to.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 13, 2009

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