Question about Dell UltraSharp 2405FPW 24" Flat Panel LCD Monitor

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Bad power board - Dell UltraSharp 2405FPW 24" Flat Panel LCD Monitor

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  • Lloyd Serra Oct 30, 2012

    The power board Benq 48.L1E02.A03 is blown. Where can I find a replacement.

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Just go online and check first with who made your pc. see what it will take and search on line for the cheapest place to buy it.

Posted on Oct 30, 2012

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I replaced main board and power oard I now have power I can tell because the standby light now comes on and lights up and stays on when I power on tv but still have no picture any ideas


After the power board is the board that controls the picture. If your power board was bad, that board may also be bad. (Check for a fuse on _any_ of the boards). Note: If your Plasma TV is 5+ years old, you may not be able to remedy the situation without spending a fortune on guessing bad boards.

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Just put in new power supply board .was working maybe 10 minutes and it went out. Power supply does turn on and off with remote. What could be the problem?


possible inverter board bad or bad main board.
disconnect inverter board and see if set comes on..if it does then inverter board is bad..if it does not then suspect main board.

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There could be power supply problems even though there is no visible evidence.

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AEG model T56840L appears to have no power. There are no lights, no display, just nothing. I have checked power is getting to the machine end of the power cord.


Sounds like a fuse on the control board is bad or the control board has failed, the control board can sometimes be reset by leaving the power unplugged for a few hours, then plugging back in, (this will not work if the fuse or control board is bad) if either are bad, they will need to be replaced

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1 Answer

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Check connector P11 and SS11 and make sure they are not loose. If they check fine, disconnect the connectors from the power board and che connector P1 and P11 for shorts. If you found a short, then replace the power board. If no short, then check SS11 for a short and replace that board if needed.

Jun 20, 2012 | Panasonic Viera TH-50PZ85U Plasma TV

1 Answer

I have a norcent 37 no picture model LT 3751 BUT POWER LIGHT GOES ON


Hello: This can be caused by several issues.
One is bad capacitors on the power supply not allowing sufficient power to the inverter or a bad inverter board.
2. Bad T-Con board, it is used to control the Display. If the back lights are lighting up then you may have a bad t-con board. If the screen is dark meaning no light, then you may have a bad inverter board or problems in the PS..

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1 Answer

3170 WON'T POWER ON


you have either a bad power adapter (more common) or a bad mainboard.

test the connector with a volt meter and see if you are getting power, if so, bad main board, if not bad adapter.

power adapter is $32
main board is $49.

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2 Answers

Black screen no video no audio suddenly now


This set is a 50" plasma. first check the AC power fuse on the filter board then: if it is bad: check the power supply by marking and, removing all the cables; (so you can put them back in the correct spot) except the filter board to power supply cable; that connects to the Power supply board. Then: replace the blown AC fuse and, re-power: If the power supply blows the fuse: again, the power supply is bad and, must be replaced or, repaired. If the fuse does not blow: turn off the set then: on again, reconnecting and, disconnecting each board cable in turn, untill the fuse blows again this cable leads to the bad board; replace or, repair the board that blows the AC fuse every time the bad board is connected, irregardless of which other cable to the power supply may be connected also; or, not.

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1 Answer

SAMSUNG SYNCMASTER 403-T MONITOR WON'T COME ON


What about the LED on/off light will it come on?

If yes, then: could be a bad ic chip on the power board.

If no, then could be a bad transistor on the power board preventing power to the desired components.

Other Possibilities:


Bad Inverter Board
Bad Power Board

If you can locate the bad components or bad solder joints then this could solve your problem, If you feel uncomfortable with this then I suggest you take to a repair shop and let them look at it for you .

Jul 05, 2009 | Samsung Computers & Internet

1 Answer

No power


Chances are you have bad capacitors on the power board. If these go bad then the power isn't stable enough to run the video board.
The video board also has the controls that connect to the front panel.. so bad power, no video, no controls.

Hope that helps =)

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