Question about Powercom (BNT-1500AP) UPS System

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Need some parts for BNT1500AP

This ups has a burned capacitor. I need a technical manual that shows parts of this equipment. I need to check the technical details of parts needed to fix it. Where or how can I get this manual? I will appreciate any help. Thanks. Wilfredo.

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Sorry to disagee with Jackboy, but generally, capacitors are standard, off-the-self components, that can be purchaded in any good electronics/components store. Unless the TRACKS of the PCB are badly damaged, and there are too many other components damaged, then PCB repair is often possible and successful. Just ensure you obtain the CORRECT SPECIFICATION for the replacement component. I don't just mean the type, size and value in MFD, but OPERATING TEMPERATURE are also important for things like capacitors.
I AM assuming you can read the original values off the failed component (not always possible I know) TD

Posted on Jul 29, 2010

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If you can find a manual - you probably will not find parts- total board replacement or unit replacement is your only route Do come back to tell me I am wrong - it will be invaluable info for all of us.

Posted on May 17, 2007

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Posted on Jan 02, 2017

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8 Answers

I fixed the blinking light, but still no picture


The constant blinking green light means for one minutes and then goes solid green, that the TV is not booting up. This is a common problem on this set.You need to remove the shield from the DM board (standing upright on the left where the DTV RF connector is)and inside you will see the four leaky capacitors (1000 MFD 16 VOLT)replace them,plug the TV in and wait 70 seconds for the blinking light to stop,then turn on the TV.The hard part will be removing the board from the TV(lots of screws and connectors,takes time)

a3d2d2a.jpg You must do some checks first:LED does not stop blinking after plug in. Verify the standby supplies, 12-volts at connector KA pin 17, 6-volts at KA pin 18 and the 28-volts at KA pin 19, if the supplies are present suspect the DM PCB part # 934C067001 LED does not stop blinking after plug in. Check C9B01, C9B02, C9B10, and C9B11 (1000 UFD 16) on the DM PCB, if they are bad replace them with part # 181P734030 (680 UFD 16 V). LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature; this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds . LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D736001. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 934C061001.

Just click below for more information.;

http://www.fixya.com/support/t838883-mitsubishi_wd_52825_tv_wont


Hope it may help you ;

Regards,
VOTIT

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1 Answer

My 15 amp switch fuse keeps burning up, what is this a symptom of?


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Power up show the pc name and then it trun it self off trun it back on and I cant even get the meun to show up


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2 Answers

My Sceptre X32B sill not power on


Other sites show that power up problems are due to the aluminum electrolytic capacitors on the power supply board being defective. Replacing the four 470uf 25v capacitors (470 micro farad, 25 volt) on the board usually fixes the problem. Sometimes also the two 1200uf 25v capacitors could be the culprit. I suggest changing them all. The price is about $7 for the parts online at Mouser electronics plus $7 shipping. I just fixed mine. I bought two 1200uf 35v capacitors, Mouser part number: 647-UPJ1V122MHD6 and four 470uf 25v capacitors Mouser part number: 661-EKY250ELL471MH2 These are slightly larger than the originals but still fit and they were in stock. You will then have to open the unit (relatively easy) remove the power supply board by removing four screws and disconnecting the connectors (Make a note of wire colors and where the connectors came from before removing). Then you will need to remove the old parts by desoldering them and then solder in the new parts (somewhat easy if you have soldered before)

Nov 28, 2009 | Sceptre X32BV-Naga 32 in. LCD TV

2 Answers

Plasma screen went blank.


It could be a few components like the tuner or the component that processes the still images to display on the plasma screen, I forget the technical name for it. Either way you look at it, a part has clearly blown and there's no quick fix. You'll need a professional to take a look inside it to determine what's wrong with it. However, if you're confident enough to open it up, you'll most likely see burn marks where a component has burnt out. Mind, if you open it up, not only are you putting yourself in high danger, but you'll void your warranty if you still have it left. If you do in fact still have warranty, my only recommendation to you would be to return it under warranty. Good luck!

Sep 07, 2007 | LG 42PX3DCV 42 in. Plasma EDTV

1 Answer

Burnt out


If you are technically savvy, you could check for poofed components in the power supply. Possible bad parts include fuse, switching transistor(s), small resistors, and other components. Sometimes when one component fails, it will take some others with it, depending on the circuit design, and exactly how & what blows up. Electrolytic capacitors often ooze a bit, or bulge when they fail. If you see one like that, it should be replaced as part of the repair.

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