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Multimeter in Diode position: Find More Posts by stormy Newport, OR My Country: Perhaps someone with a nifty drawing program can help with a sticky. Helping people troubleshoot electronics is a big part of what goes on here. datadheet

Looks like there are various versions of this power supply board. The 24V has nothing to do with that inverter section.

Find More Posts by budm. You have to check specs on the parts to see if they are close enough. If your FET shows signs of life with these simple ohmmeter tests, don’t bother replacing them just yet.

2SK Datasheet(PDF) – Inchange Semiconductor Company Limited

Find More Posts by fzabkar. Find More Posts by neilc6. Find More Posts by SteveNielsen. New York My Country: The second part of the test involves putting a little bias on the gate.

You aren’t doing something wrong. If you see a low resistance, or a dead short such as 1 ohm, it is smoked.


Find More Posts by momaka. All times are GMT I now see it, in that case, I must’ve tested the K incorrectly, maybe it is good after all Briefly short S to G to bleed off any residual voltage.

Datasheets search archive of electronic components datasheets

Actually, this photo looks more like my board see brown area on the left side: Last edited by stormy; at The 24V should be a switched 24V which will not be present at the connector until the power supply board gets the PS-ON signal from the main board.

So what is the 2sk35699 make and model of this TV and what is it not doing?

Resistance between S and D should show an open circuit. LEFT most pin marked 24V, comes at 12v, and drops down as I measure, went down to 6V, and probably more, i just kept going.

2SK Datasheet PDF – Toshiba

This is one place where the original devices should be used. I will start a new thread. Testing the board’s outputs, all except the 24v ccfl yields VDC. Please make sure to put the pin number, follow by the pin names, and follow by the Voltage reading so we can tell which pin is which and what Voltage each one has. Thanks for any tips. For example, an “HBA” board claimed to be working, despite the burnt signs Do you think I can exchange the CNF1 connector from my bad board to one of these used boards?


I didn’t realize I’m supposed to somehow measure from the TOP while the connector is in-place Which picture show the scorched mark? Find More Posts by Longbow. Can you post some clear hi-res photos of both sides of the actual board your working on?

2SK3569 PDF Datasheet浏览和下载

That big long board on the left is the Balancer Board. Page 1 of 2.

Trouble starting datashest thread since I am a new member but I have the same problem. Bay area My Country: The time now is Different FET’s will typically overheat due to different Ron values, switching times, etc.

Originally Posted by stormy Multimeter in Diode position: Find More Posts by trebo.

All electrolytic caps are not bulged and look ok. From this thread, seems like I should replace the transisors mounted on the heatsinks and test the diodes in this area. The power supply designer has datashewt selected a particular FET to drive his transformer and secondary loads.

Mar My Country: Thanks to all who helped, I’m looking forward to my next adventure!!!