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Inverter part ID needed.

Discussion in 'Troubleshooting and Repair' started by Clyde, Aug 27, 2010.

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  1. Clyde

    Clyde

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    Aug 27, 2010
    Hi. Just got a Digimate 17 inch monitor with no display. Found a bad shottky diode on the inverter PCB so I replaced that and the fuse, now I have a screen, however after a few minutes it starts to flicker badly, on the inverter the transformer on the side I replaced the diode is getting hot. After a bit of tracing I have found a small SMD (8 pin, looks like an IC) which is shorted to all pins. I am unable to read the tiny writing on top and can find no information on what the part is. Does anyone have any idea, or possibly a schematic. Judging by the way it is connected (there is an identical one on the other side of the inverter, dual lamp) I think it may actually be a special kind of zener diode.

    Anyway some numbers, the monitor is a Digimate L-1715 ( I believe the inverter is used in a variety of other brands ). The inverter PCB is part number IV185030HX. The part I need is identified as Q3 (maybe a transistor?)

    Can anyone help?
     
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