Question about Dell UltraSharp 2709W LCD Monitor
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Posted on Jan 02, 2017
First, you can get the service manual here: http://elektrotanya.com/
If the transistors failed again, yes the 0.22uf (part of tuned circuits for the inverter transformer oscillator circuits) changed value, the frequency will be off and causes over heat on the transistors due to too much current draw, You can also have bad inverter transformer, you can check the DC Ohm value but if it has one short turn, it will not show up on DC Ohm test, you have to use ringer testing (I use SENCORE LC75).
Posted on Mar 29, 2010
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