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Hammer voltage 1

try to find out datasheet of q8 and q20 and notice the input voltage to mosfet and out put voltage.generally check the electrolytic capasitor, serrounding diod od q8 q20,and also q9 q20 mosfet.

Jun 17, 2012 | Tally 6306 Matrix Printer

1 Answer

The 3.3 volt is zero in asus 945

check the voltage in the mosfet if there is voltge check the mosfet for leakage if leakage remove the mosfet with new one

Feb 14, 2012 | ASUS P5LD2 Motherboard

1 Answer

I have got tft hp l1908w with powersupply problem. it is not powering on and the main capacitor is not discharging after i replaced mosfet

The SMPS is not triggering and driving the MOSFET and so this makes the +B voltage build up on the main capacitor to HOLD on without drain as there is no switch frequency to drive the MOSFET.
Please try and trace the feedback to the MOSFET, can be the SM transformer, the feedback circuit or also a short on the secondary side.

Jul 12, 2011 | HP L1908W 19" LCD Monitor

1 Answer

SIR, I have a samsung lcd using mosfet

No,get the same mosfet IC.Mosfet dosen't function like a capacitor,capacitors up a litte voltage it no problems.

Mar 17, 2010 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

A ups mosfet ckt one mosfet burnt out og 16 can i replace only one

Usually the mating one has been degraded or damaged as well. Replace as a pair, or all of them that are in the same function.

OFTEN driver transistors and drive diodes are also damaged. Carefully check all associated components to avoid burning out freshly replaced ones.

Mar 14, 2010 | Vector VEC 024 400-Watt Power Inverter...

1 Answer

Mosfet check

1. Switch your multimeter to the Diode test position.
The following steps are for an N-Channel MOSFET.
Hold the Black lead to the MOSFET's source terminal.
2. Touch the GATE terminal momentarily with the Red lead.
3. Then touch the DRAIN terminal with the Red lead without touching the GATE terminal with your fingers.
The multimeter should show a low reading now. (The MOSFET is now ON)
4. With the RED and BLACK leads still connected to the DRAIN and Source terminals of the MOSFET, now touch the GATE terminal with your finger. The Multimeter should immediately show an open cct. (The MOSFET is now OFF)
This is a very simple way to test a MOSFET.

Jan 13, 2010 | Epson >>> IM800 DARK GRAY 733 MHZ CPU...

1 Answer

Blown ps3 mosfet

this should have all the specs you need. i have the same issue and have spent days searching and found this. hope this helps

Dec 17, 2009 | Sony Playstation 3 (PS3) Console

1 Answer

Mosfet in my asus motherboard burnt out,

Better to have the motherboard replace, do not wait until some other components might be also damage. Commonly mosfet is use in power supplies regulator. It can kill your processor and memory.

And also check your power supply. It might also having problems.

May 02, 2009 | ASUS P4GE-MX Motherboard

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