Question about American Audio VMS2 VMS702 Table Top MIDI Controller /Soundcard with D-Core Technology 2 Channel MIDILOG mixer 2 Line/2 Phone/4 USB 1 Mic Input, Headphone output. 3 Band EQ per Ch1/2, XLR Master Outputs.RCA Booth Outputs, 6" Touch Sensitive Scratch Wheel. 1 Navigat

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Put wrong power supply into unit - American Audio VMS2 VMS702 Table Top MIDI Controller /Soundcard with D-Core Technology 2 Channel MIDILOG mixer 2 Line/2 Phone/4 USB 1 Mic Input, Headphone output. 3 Band EQ per Ch1/2, XLR Master Outputs.RCA Booth Outputs, 6" Touch Sensitive Scratch Wheel. 1 Navigat

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  • American Audio Master
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You probably blew it. It sounds like the power supply put out more voltage then needed. Also they come in AC/DC, putting AC into a DC input usually blows things, dC into an AC normally does not hurt it assuming the voltages are in range in all cases.

Posted on Jul 01, 2014

  • Len Jeffrey Jul 30, 2014

    Many manufacturers install a protection diode that shorts if the wrong polarity is ac adaptor is inserted. This is to hopefully protect the electronics. If you have a VOM meter, check for a shorted or burnt diode. Very cheap item. Len at www.oshawarocks.com

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The main unit red light is constantly on and the chime does not work


This could be due to the wrong power supply. It's not enough to just match the voltage. You need to make sure the power supply can push the required amps ( or milliamps, or whatever).

If the power supply is the correct one then either the power supply or the unit itself has probably taken a dump.

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My Proform 900 wont work with batteries or ac adapter after I put wrong adapter in


Since you put Wrong adapter, possible dammed blown fuse. or tripped c.breaker inside. replace fuse or reset the c.breaker and Try again.
If this Does NOT solve the problem, you have a problem in the power supply faulty. Call some service tech for fix it.
God bless you. see the block d

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Aug 03, 2012 | Exercise & Fitness

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Since our downstairs circuit tripped due to an oven heating element fault, my Yamaha HTR-5740 won't turn on. The unit was not on at the time and the power supply is working fine.


it is possible that the standby power supply circuit has become defective in the receiver...this power supply supplies power to the remote control and microprocessor even when the unit is off...this is so it can pickup the remote signal when needed...this supply consists of a small transformer and associated regulation components...it may be possible that the power surge sent when the element overheated n kicked the breaker that the small transformer may have an open primary..or it may just be a fuse for this supply...you can remove the cover of the unit and look at the small glass fuses...you may have to remove them to see if they are defective...remember to only remove them one by one as you do not want to put them back in the wrong place...if it's not a fuse..then more likely the transformer has opened up...you will need to have the unit serviced by a qualified service person

Jul 17, 2011 | Yamaha HTR-5740 Receiver

2 Answers

My power supply is blinking orange when i put it in the xbox 360 what do this mean.


Hello.An orange light is illuminated on the power supply for one of the following reasons:

a The console is turned off.
b The power supply is disconnected from the console.
c The power supply cord is not fully inserted into the power socket of the console.
d The power supply is faulty.
e The console is faulty. (The console might be faulty if it does not turn on when the power supply light is orange.)


The power supply has several built-in safeguards to help prevent damage to either your Xbox 360 console or the power supply itself. The power supply will automatically turn off if either the current flow, the voltage, or the temperature is too high. When the power supply turns off for any of these reasons, the light on the power supply will turn from green (normal) to orange or to red, or the light will turn off. When the power supply light is green, the power supply is working correctly. What you are experiencing is an over heating issue, that may have damaged the supply.

With that being said, i would try to reset the supply by disconnecting the unit form the console, and unplugging the power supply unit form the wall socket for 5 minutes. Once the 5 minutes have passed, reconnect the unit to the console, and plug the power supply into the wall socket. If the console dose not power up, and the supply unit is still showing an orange illuminated operating light, this will confirm that the power supply unit will need to be replaced. Contact Microsoft for the correct replacement parts needed(power supply unit)


TIPS FOR PREVENTING OVERHEATING ISSUES

1 Do not block any ventilation openings in the power supply.
2 Do not put the power supply on a bed, on a sofa, or on any other soft surface that might block ventilation openings.
3 Do not put the power supply in a confined space, such as a bookcase, a rack, or a stereo cabinet, unless the space is well ventilated.
4 Do not put the power supply on a stereo speaker, an amplifier, or a heat source such as a radiator or a heat register.
5 Do not use an unlicensed accessory, such as a replacement power supply that was not manufactured by Microsoft, or any accessory that plugs in between the Xbox 360 console and the power supply.
6 Plug the power supply directly into a working wall outlet. You may have problems with the power supply if you use an extension cord or a power strip if the extension cord or the power strip is faulty or cannot supply the required power to the console.
7 If you are not sure about the reliability of an AC power outlet, power circuit, or power cabling, do not use it. Contact an electrician.

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1 Answer

I plugged in a wrong adapter to MT-2 i think 12 v. it should have been 9v now it doesnt work is there any way to fix this problem?


Normally the 12 volt supply would NOT damage the unit UNLESS it had the wrong polarity or was an AC type.

Likely damage if these were used is confined to a few small electronic components where the power copmes into the unit.

Repair the unit before putting correct supply as you could damage the correct supply if those parts failed a certain way.

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1 Answer

Put wrong power adapter into a Yamaha DTXPRESS IV


You should immediately quarantine what you plugged in and compare it to the correct one.

IF you put too low aq voltage of the CORRECT polarity nothing should have happened.

If you put backwards polarity of any voltage the regulator is probably fried internally and possibly an input bypass cap. Also if you put an AC adapter and it wants a DC the same destruction could happen.

if you put too high a voltage, possibly the power input cap may be bad.

It appears that the correct supply is the PA3C which is a 12 volt, 700ma with positive on the center pin.

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2 Answers

Lightening strike - Dell inspiron 531. Will not power up


Not just 'lightning strike' but any 'dead' PC.

Unpower the unit and then take off the access side panel. While looking into the unit, put the power back on (plug it in, but DO NOT press the Power button yet). - LED's should light, but no fans should turn. Still looking at the fans - especially the CPU fan, press the Power button and if they twitch then your unit power supply has died.

If they spin for a few seconds then die, look at the capacitors by the memory - if they bulge and are 'wet' then the motherbioard has died - ask Dell for replacement! (This is common, but Dell will only recognise it at the point of walking into the court, then only if you sign a secrecy agreement/gagging order!).

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1 Answer

Motherboard power on but no display.


Greetings!

Check first if all the cable, wire are connected properly.
See also at the back of your power supply if the switch is on, cause some power supply have switch aside from your system unit.

Usually once you open your computer you can hear a beep sound if their is no beep sound means something wrong with your computer.

As you turn on the computer see the fan of your power supply at the back of your unit if it revolves if not something wrong with your power supply, if the fun of your power supply re volves it's your motherboard have something wrong.

Thanks

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On my hls5679w the tv won't turn on and the lights all flash


HLS5679W has power supply issues. Two capacitors need to be replaced as Samsung put in units of the wrong voltage...
CM860 and CS860 need to be at least 2000mfd/25vdc radial (both leads come from one end) electrolytic capacitors. It is recommended to have a service tech do this you'll need to pull the power supply out of the set. Parts are cheap (Radio Shack for about $2.99 or so each) but you must be able to solder to replace...
Good luck!

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1 Answer

Power supply


Usually this will damage the power supply only. To make sure your that your motherboard is working, try to find a working power supply unit and connect it. If it does not work your motherboard may be get damaged. Also check for warranty. If your system contains a graphics card, check that too, it may also get damaged with voltage variations.

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