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B020-016-17 replacement power adaptor

I need a B020-016-17 replacement power adaptor

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Got a used CTK 720 and it has no power. sugestions


try plugging in without the bateries...Also check your adaptor as well as your ac requirements on your keyboard..It specifically calls for a Casio AD-5 Adaptor.
  • 9V power supply; 850mA
  • Positive sleeve/negative tip This needs to match your adaptor Good Luck
http://support.casio.com/pdf/008/ctk_720_01_e.pdf

Feb 15, 2015 | Casio CTK-720 Electronic Keyboard with...

1 Answer

I have a Yamaha PSRE413. on/off does not work with adaptor, but works with batteries


If you are using the correct adaptor then the most likely reason is that the socket where the adaptor plugs in has broken away from the circuit board and will need to replaced/resoldered.




if you need a socket Google : Yamaha PSR power socket ( KPA3 / PA130UK / EPA3 ) (LB30226R)


OR if you have used the wrong mains adaptor and the polarity was reversed you may have damaged the diodes / voltage regulator on the power input.

Jan 24, 2013 | Yamaha Music

1 Answer

When I hit the power on button on my compaq nc6220 the yellow battery light flashes and nothing happens


Please try removing the battery, and then connect the power adaptor and try switching the laptop on see it if works if it works then the battery needs to be replaced. I would also recommend if you can check your power adaptor / swap your power adaptor with a know good adaptor (if you have one). The remaining steps will depend on the outcome of the steps above.

Oct 02, 2012 | HP Compaq nc6220 Notebook

1 Answer

Power adaptor?


If you need a replacement, you have two choices. Visioneer no longer makes this scanner, but they do offer replacement power adaptors. They run about $20 plus shipping. It may be quicker (and cheaper) to look on the scanner (maybe on the bottom or on the back, probably beside the power jack) or on the current adaptor itself and see what the power rating is. It will say something like "6 VDC, 1A" or "5.5 VDC, 3-5A". These are the two power ratings you need. VDC is the DC voltage, and A is the amperage. You can take the power adaptor to a local Radio Shack or similar electronics shop, and they'll help you with an appropriate adaptor. You may also be able to find an appropriate adaptor at a large electronics store (like Best Buy) or a large discount store like Wal-Mart or Target. Just go to the electronics section. A small speciality shop will probably take the adaptor and give you the choice of one or two that will work. In a larger store, you may not get as much help, so you just want to match both power numbers on the package, then make sure the plugs on the end of the power cords match, so the new one will fit your scanner (universal adaptors often include several tips that can be put on the end of the power cord; just make sure one of them is the same size and shape as yours).

Mar 06, 2011 | Visioneer OneTouch 5800 Flatbed Scanner

2 Answers

My laptop battery is drained to battery low after being fully charged.


two possible couses.
first one the adapter is not charging well the battery and therefore the adapter contains a problem.
the second one the battery is damaged.

Aug 12, 2010 | Computers & Internet

1 Answer

Laptop does not work off mains and battery does not charge


Just check the power connection from the AC going to your laptop if the power adaptor of your laptop are working. Note; you only know that the power adaptor was working if the LED (Light Emiting Diode) was light because the power adaptor are have the LED to see it that they are working normally. If the power adaptor working normally their was a problem of the power supply inside your laptop and need to be repair by the electronic service center. But if the power adaptor are not working the problem are in the power adaptor. I recommend that you replace your power adaptor and bring it to the computer store to check its type and model it is because only same type or model of that power adaptor to be replace.

May 19, 2010 | Dell Inspiron 6000 Notebook

1 Answer

Laptop will not power up.


  • If possible, make sure there is power coming from the power adaptor with a voltmeter. If nothing shows, the adaptor needs replacing or repairing.
  • Try removing the battery and running on the power adaptor alone. If this works the battery is dead. You can buy a new battery or just run it on the adaptor.


Apr 08, 2010 | Gateway MX6450 Notebook

1 Answer

THE TABLET BATTERY DRAINED DEAD NOW IT WONT POWER UP WITH THE CORD OR BATTERY DEAD. IS IT THE BATTERY OR CORD THE PROBLEM. MY OTHER LAPTPS WILL STILL POWER UP IF THE BAT IS DEAD, IS THIS NOT TRUE FOR THE...


Have the power adaptor checked by an electrician, most probably you will need a replacement.

If you establish that the adaptor is working, then something happened to the battery charging circuitry in your Asus and it will need repair.

If it's still under warranty, then you are good, otherwise it would be better if the adaptor alone failed, as replacement adaptors are rather inexpensive compared to laptop repairs.

Dec 31, 2009 | ASUS R1E-B1 Tablet PC

1 Answer

Power adaptor is not detected


Hi,
AC Adapter Error Message Occurs


Here is what you need!!! Click on the Above Link. Follow Each and Every Step. 

Hope This Helps!!!  Please Don't Forget to Rate my Response!!! Thanks!!! 
PREM

Mar 22, 2009 | Dell Inspiron E1405 Notebook

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