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How to make regulated power supply - Computers & Internet

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The easiest way to do this is to use a 3 pin regulator IC.
For a 5 volt supply go to this WEB site,
http://schematicwiring.com/simple-electronic-applications/5v-dc-regulator-with-3-pin-regulator-circuit-schematic-diagram/
For a variable voltage power supply go to this WEB site.
http://www.engineeringslash.com/power-supply/three-terminal-adjustable-regulator.html

Posted on Mar 16, 2011

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No power supply


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time.

Oct 08, 2014 | Televison & Video

1 Answer

My plasma hitachi wont turn on


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and precious time; especially in case of power supply regulator boards to Plasma TVs.

Aug 15, 2014 | Televison & Video

1 Answer

LCD TV screen has flickering lights like snow, what to do to get rid of them?


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit.Contact any service technician.If you wish to get some details; check the site linked here.Surf the site with patience.Pull up older posts. Abnormal DC voltage output from the power supply regulator board can cause this problem.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis.

Aug 04, 2014 | Samsung Televison & Video

1 Answer

What is a swirtching regulator


A switching regulator is a bit of electronic circuitry that regulates the voltage conversion on a switching power supply, Modern TV sets have switching powers supplies that converts the 120V AC to DC voltages that drives the circuits. You may have to replace the power supply.

Jun 26, 2014 | Sony KP-51WS500 51" Rear Projection...

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 | Computers & Internet

1 Answer

CAN NOT GET BELOW 10 VOLTS


Make sure you have SOME load on the supply.A supply of this capabilty will often have SOME leakage current so a small load might be required.

This is a wide range supply and MAY have a switching pre-regulator followed by a pass regulator. It may be this pass regulator has shorted the transistor.

If the minimumj load doesn't pull it down, service is required and schematic will be imperative.

Nov 08, 2009 | Kenwood (PD56-10AD) Power Supply

3 Answers

Voltage regulator


One of the most common type is the 3 pin - 1 amp voltage regulators in a TO-220 package, they are the 78xx positive regulators and the 79xx negative regulators. The xx denoted the voltage output of the regulator.
I don't know what type of regulator is used in the APN 6003, if you can obtain a circuit diagram it might help you.

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2 Answers

My tecnics Amplifier Model # su-v98 has no power. I've checked all cords


Try these test, the only common possibilty would be the transformer and the power supply if both channels are out.You better to check both the positive and negative voltages from the power supply to see if both are present or if one or both are missing.This would be dc voltages of approx.20 to 40 volts.The positive voltage must be equal to the negative voltage,with the exception of their polarity.If one higher than the other, the regulator in power supply is busted already.The transformer can be checked for AC voltage before the power supply.This reciever uses a single power supply so the problem would be,common to both channels.You better change the regulator and checked some capacitor near the regulator.

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1 Answer

Power supply regulator for rca 52" home theatre twin tuner pip


no parts from a pioneer wont work. There are roughly 4 regulators for the power supply maybe 5. The sad thing is they cost between 7 and 20.00 , he didnt happen to mention which power supply was affected did he? You would have to check the various regulators out of circuit to determine which one is bad. If its a F.E.T they are hard to check without the proper equipment.

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2 Answers

POWER SUPPLY UNIT


Hi, you can almost bet anything that your voltage regulator is at fault. It sounds as if this needs time to build enough resistence to reach the 240 volts required by your computer's PSU.
Change this unit and you should cure your problem.
Question, Why do you need to use a voltage regulator?
Are you running on home generator power?
If you run on mains regulated power then replace the voltage regulator with a power surge protection board.
Regards mistyman

Nov 06, 2007 | Computers & Internet

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