The attached pdf is not the actual circuit. I have tried & tried but cannot find the schema for this typical model.
A 42" LCD power supply.
The attached pdf is the only thing I could find about the PWM chip used in this LCD. It is not the data but close enough.
I am having a hard time with this supply. It ain't dead and no load voltage is as it should be. Friggin' thing just won't regulate. Even a slight load at a 24V out drops to 15.
I changed all the caps due to bulging.
The MOSFET's are too hot to touch and with small heat sink I doubt it would live long if I can get it to regulate.
The pdf is something I found a few minutes ago, been trying to find the data for the PWM for weeks..
Can any one explain me this.
Say the pdf circuit is working properly under no load. what would be the course for the MOSFET to heat up to a level that is too hot to touch it.
In my experience a transistor is never too hot to touch with in seconds when they are mounted on a sink.
But say these guys heats up in seconds.
What would be the likely cause ?
A 42" LCD power supply.
The attached pdf is the only thing I could find about the PWM chip used in this LCD. It is not the data but close enough.
I am having a hard time with this supply. It ain't dead and no load voltage is as it should be. Friggin' thing just won't regulate. Even a slight load at a 24V out drops to 15.
I changed all the caps due to bulging.
The MOSFET's are too hot to touch and with small heat sink I doubt it would live long if I can get it to regulate.
The pdf is something I found a few minutes ago, been trying to find the data for the PWM for weeks..
Can any one explain me this.
Say the pdf circuit is working properly under no load. what would be the course for the MOSFET to heat up to a level that is too hot to touch it.
In my experience a transistor is never too hot to touch with in seconds when they are mounted on a sink.
But say these guys heats up in seconds.
What would be the likely cause ?
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