AO 30V Complementary MOSFET General Description Product Summary The AO uses advanced trench technology N-Channel P-Channel MOSFETs to provide excellent RDS(ON) and low gate VDS= 30V V charge. N-Channel:VDS=30V ID=6A RDS(ON) < 30mΩ (VGS = 10V) RDS(ON) < 42mΩ. AO datasheet, AO circuit, AO data sheet: AOSMD – Complementary Enhancement Mode Field Effect Transistor,alldatasheet, datasheet. AO Complementary Enhancement Mode Field Effect Transistor. AO Complementary Details, datasheet, quote on part number: AO

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If that does not work I will ask if anyone wants a monitor for parts or repair as I will be outa my leage. The rest of the buttons produce no set up or adjustment windows and I can see no video from my PC at all.

AO4606 Datasheet

It did not work out, still have the same issue. A good method for checking a monitor with black screen and no power LED is to check the power supply outputs; typically 5V and 12V but this can vary. The monitor is full bright all day long. Should ALL of the inputs on the primary side be shorted? I started with the voltage across the big filter cap Does anyone know of any issues with these.

That typically has at least 3 different voltages, produced by bucking regulators. Good thing i did since after i removed the caps i measured them using my cap meter on my fluke Originally Posted by Welchs You really think the burnt spots are just due to bad solder joints?

AO MOSFET Datasheet pdf – Equivalent. Cross Reference Search

So i guess the chips are ok. Also sorry for not mentioning that I did look at the panal when you brought it up, I should have said so but I forgot since I did not see anything about it. I found one cap “near” the big filter cap which was “bad”.


None of the buttons on the bottom work except the power on and off. I know this is an old thread but I figured since there is good advice here on the P I should see if my problem will add to datasheet. When looking for shorts on teh inverter drivers, remember that the inverter transformer is present. Measuring the primary side of the transformer. I looked at a few other caps which were not replaced.

I thought the 2nd number was the part number. Ao46066 really think the burnt spots are just due to bad solder joints? I did reflow the transformer connections. Show 40 post s from this thread on one page. Originally Posted by Welchs SO this leads me to ask the question Using what you guys said i started probing around. I replaced this cap. How did you know the part number is AO?

Originally Posted by chomot Post I looked into the fuse and connector advise and could not find any issues. When i take a meter and measure the resistance from D1 to D2 i get a short Anyway this one has the good brand of Samxon for all but the big guy and that is a KM M but they rarly go bad from what I know.

SO this leads me to ask the question I have fixed a lot of monitors by replacing the caps on the PS card but this will be my first with processor card issues. Originally Posted by chomot Post I know this is an old thread but I figured since there is good advice here on the P I should see if my problem will add to it.

If those voltages are not present, check the voltage across the large cap – it should be 1. I was looking at the signal board wich I also included a photo of and doing some searches on it but I could not find any silver bullet adtasheet fix for it. It will since the presence of a video signal when I switch the note book PC I use for testing from onboard LCD to external and back but that is all it does other than make a nice large square desk light.


Page 1 of 2. Originally Posted by Welchs Another quick question One end to the circuit while the other to the transformer pin. However with the video signal from my notebook PC the screen is datashet bright white for as long as I care to look at it. There appear to be 6 pins on what i would call the primary side.

I have included a pic of the chip. But i cant seem to find a datasheet for this chip. ALL of the inputs on the primary side be shorted? Since I am a one trick pony on these I orderd a set of caps and replaced them hoping for the best. Thanks guys and thanks BAd-caps forum.

I datasheeg between gate and drain, source and drain Can you tell from the data sheet if D2 and D1 dxtasheet shorted?

I did attach photos of the front and back of it. Thanks for the help, I did add a few pics of the board in case you can see something I do not.

AO 데이터시트(PDF) – Alpha & Omega Semiconductors

I will get back to you with the results. In the areas that are burned i see this chip.

Originally Posted by Welchs thanks!!!!!!

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