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Transformer replacement Need to know what wires go where

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Oh man - definitly need more details!

Posted on Feb 01, 2008

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I need a LSE-B9 Transformer do anyones know where to buy and the input and output or any replacement for it.Thank you


I'd try LCDPARTS.NET but I don't think your number is correct/complete. Compare your part numbers with their listings.

Jan 01, 2012 | System Power Supplies

1 Answer

How do i build a 12vac 2a adapter step by step.


Just get a transformer with a 12 volt 25 VoltAmp rating on the secondary and a primary suitable to your mains power in your part of the world. 120 VAC 60Hz for continental North America. for example.

Put a power cord on the primary with a suitable switch to shut it off, and the output of the transformer will provide you with the 12 Volts AC at 2 Amps output. Attatch the suitable adapter to the end of the secondary wires, and you are all set. AC does not have a polarity like DC.

Dec 22, 2011 | System Power Supplies

1 Answer

Schematic diagram example of AC DC regulated power supply 1.5volt to 35volt


You will need to add transformer and rectifier diodes before this circuit to be able to get the voltage you need.


See the link below of the regulated part of the circuit

http://simpleelectronic.com/2010/06/11/simple-adjustable-regulated-power-supply-circuit-diagram/

If you need more help let me know.

Sep 29, 2011 | System Power Supplies

1 Answer

I need a replacement power supply/adaptor for the US-428. I need the PS-P428 adaptor. Can you please help me find one?


Seller solenoidal on Ebay has the 7.5 volt a/c transformer that the Tascam US-428 requires. If the plug is wrong, cut off the old one and splice it on. No need to worry about polarity with a/c

Aug 06, 2011 | Tascam PS-P428 Power Supply...

3 Answers

I have a customer that recently replaced his generator, problem is , he got a 120 VAC output. He has 2 SW 4024 for 240 VAC output. Can I hookup the 120VAC to the master inverter, or should I get a...


Hello,

I will accept the second option which is getting transformer.

Go ahead and get a transformer in order to step up the voltage. This is better than hooking up the 120V AC to the master inverter.

In summary, get a transformer to step up the voltage.

I hope this is clear now....

Good luck.

Apr 01, 2011 | Xantrex Technology Xantrex SW Series...

1 Answer

There is a distinctive smell of overheatead transformer. The Psu feels hot to touch. The Cd drive is alsao hot. Is it possible I will need to replace both?


I would try blowing the dust out of them first and make sure the power supply fan is working if this does not help I would replace the power supply first. Also blow the bust out of your cpu heatsink as well

Feb 01, 2011 | Packard Bell (190169) Power Supply

1 Answer

AC adapter, Model PA-1121-08 for Toshiba Satellite A75 laptop PA 3290U-2A2CPA3290E-2A2C Input 100-240V 2.0A Output 19 V, 6.3A Power goes on and off as if there is a short in it, if I bend the...


The correct (political) answer is that your should ALWAYS replace power cords.

Today's computers power supplies have two parts, the wall plug, 3 prong, and the transformer with the "PORT" plug for the laptop.

The 1st part, you can buy new or a qualified technician can splice out the bad part.
The second part, is usually a DC (direct Current) cable with special grounds and insulation. The molding that houses the electrical wires is not accessible to consumers for that very reason. If you have to bend the cable to make the connection, then the plug is clearly defective and SHOULD be replace. In a pinch, depending on how far the break is on the plug, it might too be spliced.

Replace it as soon as possible.

Sep 29, 2010 | Lite On System Power Supplies

1 Answer

Sb plus 5 is 4,2 volt


there are three transistors in the power supply heatsink attached two big are same and and one is different find out transformer related to the transistor it may faulty replace it it is major reason for that .also check the diodes and capacitor at o/p of the transformer

Mar 16, 2010 | HP ATX-300-12Z (ATX30012ZBD) 300-Watt...

1 Answer

NEON SIGN WON'T WORK


If It is actual Neon Tubing. It Takes a High Voltage Transformer to light the tube.
I work in a sign shop and we commonly use 8000, 12000, & 15000 volt transformers.

These types of transformers are like "Lightning In A Box". Unless you know what you are doing It could kill you! Any reputable sign shop should be able to give you a idea what you have for FREE, and the safest and cheapest way to get it working...

Nov 19, 2008 | Neon GREEN PC POWER SUPPLY KIT Power...

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Problem


There is no "Flyback transformer" in the LCD monitor "Benq 17" model No. Q7T3". Such a component, a "Flyback transformer" is found in televisions and in Picture Tube type monitors. The red wire of a "Flyback transformer" is where 27,000 VOLTS comes out of to connect to the picture and such a voltage IS DEADLY so never enter a TV or computer monitor unless you know exactly what you're doing. To bring your hand too close to the "Flyback transformer" is to GET ZAPPED, you don't even have to TOUCH that transformer or the Red Wire that comes out of it!!!!

As far as a fuse blowing, NEVER PUT IN A FUSE WITH A HIGHER AMPERAGE RATING: it's there to protect certain components from being permanently damaged. If the fuse is blowing you must find out "why". There's got to be a short circuit in one or more components. Transistors, Diodes and Capacitors are easy to check for shorts. Transistors, Diodes are usually what short out. There's not much more I can say here.

A schematic diagram that shows the voltage on the many components of a running LCD circuit is what you need to find out where volatges should be. If a voltage is missing you must find out where the problem stems from. There are other ways to test circuitry, with an oscillascope and a schematic diagram that shows test points and the wave pattern that's suppose to be present.

May 31, 2008 | System Power Supplies

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