Question about AOpen MS-805 Computer Speakers

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Aopen ms-805 s/n 10800730 RWE1 What DC Voltage

Aopen ms-805 s/n 10800730 RWE1 What DC Voltage transformers do they need for power?

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A/C Adapter Output: 120V AC 500mA UL Approved

Posted on Oct 02, 2011

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How volt transformer for AOpen spekers?


If it is the transformer, it should be a DC output. Look where it connects, it will tell you what voltage you need. Use a volt meter to see if you are getting that from your "transformer". If so the amp in the speaker is probably blown, if not you need a new DC power supply with the correct voltage. If the replacement ma is higher that will not hurt, The information should also be on the "transformer".

May 31, 2016 | AOpen Audio Players & Recorders

1 Answer

Tv dead during lightning


Could be minor or maybe done for but here goes. Some flat panel TVs have the main power cord with one of those small transformers built into the plug end that converts 120volt ac to DC power. Output voltage should be listed on the transformer tag. You need to find someone with a voltage tester and see if the TV plug end is showing DC voltage. If not the complete power cord needs replaced. If that checks out-- the next thing is to remove the complete TV back cover and look for fuses right near the power plugs into the TV. The fuses should blow out first from a lighting surge. The problem is how much of a surge you got. It may have damaged the power supply board in the TV which may need replaced. Hope this helps

Jul 12, 2015 | Televison & Video

1 Answer

WHAT ARE TRANSFORMERS


Wall socket power (high voltage) is known as AC (Alternating Current). Battery power (low voltage) is known as DC (Direct Current). Transformers are electrical converters that change AC input to DC output or DC input to AC output. This is required to charge or to supply mains power for most portable devices that use batteries when not plugged in, or devices that do not have batteries but still require DC power input. Examples of such devices are laptops, phones, tablets, printers, print servers etc. A transformer for your print server is most likely a black box in line with the power cable. In this case you will need a new power cable which will include the transformer. Some transformers are within the device itself with a power socket in the back of the device. If this is the case then replacement of the transformer (or sometimes the whole device) is required depending on the price of parts, sometimes replacing the whole device is cheaper.

Jan 15, 2014 | Lexmark N5 (12J0020) Print Server

1 Answer

MY RCA 27" WILL NOT TURN ON, HAVE POWER TO THE FUSE, THE FUSE IS GOOD ALSO BUT THE DEGAUSS RELAY DOES NOT CLICK AND NO OTHER CLICKS ARE HEARD EITHER, WHAT COULD BE WRONG?


you need to check the voltage output of your power supply section.This power supply supply is a switching type power supply.there is a chopper transformer in there.its supply is a dc voltage unlike any other transformer which is AC supplied on the primary..First step.
1.Using a multitester measure the primary supply it is a DC voltage around 220v - 110 VDC
2.Measure the secondary output.The out put is AC voltage the supply for the B+ going to plyback is 115vdc the second output is 12v run through a regulator and the regulator lower the voltage to 5vdc.this 5vdc supplies the system IC and the jungle IC.this ic process the switching of the plyback transformer and the plyback transformers output supplies the voltage of the whole system including your relay in the degaussing section....once the plyback is activated the tv will now turn on...

good luck!Hope i helped you..

please rate my help..god bless!

Jun 13, 2010 | RCA F27641BC 27" TV

2 Answers

Where is the fuse inside the power supply model fsp200


The unit is only 200watt and the fuse cost about $2,Thats if there one built into it,
The replacement power supply is about $20-00 NZD
Probably 20minutes to fix (for a novice) depending on their skill level and tools available,

BEST ADVICE Replace it

Power is something you dont want to mess with because it can kill.
The power packs are replaceable but people arent.
Be very careful and dont mess with the power.

I am an Electrician and I respect power.Misterdj

Mar 24, 2010 | AOpen (FSP200-60SAV) 200-Watt Power Supply

1 Answer

No Power


Usually there is no fuse in the printer itself. The big block that you plug into the wall is actually a transformer. It converts the 120V power from the wall outlet to a much lower voltage and also converts it to DC power.take the plug in end with the cube transformer in it and bring under a good light and it will read the specifications about that power converter. What sometimes happens is that the transformer inside that cube fails (through various causes) and thus produces no voltage or the wrong voltage. Take the plug with you to an electronics store of your choice and they will direct you to a universal 120AC to a DC transformer (it will have various settings and various plug adapters) and then follow the instructions to match the voltage on the old power converter. I hope this helps you out.

Jun 04, 2009 | HP Photosmart 3210 Printer

1 Answer

Which transformer to use


To solve the problem I tosted the whole mess of wires and equipment and bought new equipment. $8,024 spent and now all the new converters are labeled. The industry needs to mark all equipment with DC-IN 9V or whatever. This is a real problem if you have kids and grandkids and too many different standards.

Dec 13, 2008 | AOpen AOR-401M Router (90.18R10.402)

1 Answer

Output voltage of 120volt AC brick & approx dimensions


Any PC speakers that have a AC plug pak attached can probably use 12V simply cut off the AC plug packs lead that goes to the speakers, and connect up 12V ya should be good to go.. some connect with a Phono Plug, and usually the Outer is Minus Voltage and the Centre is Plus Voltage .. they are also generally Diode protected so a reversal shouldn't cause too many probs... GL

Jul 29, 2008 | AOpen MA-691 Computer Speakers

1 Answer

Speakers Model #: MS-608Pro Power supply


AC 9V/400mA

Specs at:
http://usa.aopen.com/products_detail.aspx?auno=1050

Jul 27, 2008 | AOpen MS-608PRO Computer Speakers

1 Answer

No Power


You should measure AC voltage from the output of the transformer to the bridge rectifier, and after the rectifier you should see a DC voltage (you may also read some "ripple" AC voltage on the DC side as well). Check across each battery to see how many volts DC they are receiving (as they will all be in series connection ie one after the other). Batteries are the usual problem with faulty UPS's. You may have a problem battery or multiple problem batteries and they may need replacing.

May 06, 2008 | Powerware 9120 UPS System

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