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My alesis sr-16 won't power up at all,using the correct power supply,nothing DOA,tried using a Digitech Whammy4 power supply,which heated up and stopped working also.(tested the whammy power supply w/the whammy pedal before trying w/SR-16,whammy pedal powered up,plugged into SR-16 Nothing,DOA. Is there a certified Alesis repair tech in Boston area,or should I send it to Alesis?? Address???
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Look carefully at the adaptor and see if it takes any voltage besides 110 (it will say in very tiny print, you will need a magnifying glass). if it does NOT say 220V or 240V then you friend the adaptor. Get another adaptor - most are "dual" voltage meaning they run in the U.S. or overseas.
Also check for "polarity" (which part of your plug is + or - ).
Which is it... a DM5 set or an SR16? This Fixya thing is disgusting trying to offer up brands and models.
IF you might have an SR16 that has a problem, the USUAL problem is using the WRONG power supply with it. You CANNOT use universal power supply... you must use the official adapter or it will not work.
If the screen is obviously broken, the unit will have to be repaired. This unit requires a SPECIAL power supply to operate. Often people try to use a DC supply but this one takes AC input. It usually will either turn on or not and will not generate sound with the wrong supply.
Many people have had this problem WHEN they substitued a replacement power adapter.
The CORRECT adapter MUST supply 9 volts AC, NOT DC at 830 ma or more.
The AC is converted inside the SR-16 to both + and - power to run the internal circuits. IF you have connected a 9 v DC adapter, it will NOT have damaged anything, just get the CORRECT adapter and all will be well.
Make sure you have the correct power adapter for the unit. This unit takes a 9 VAC, 830ma adapter. It will NOT work with a replacement, universal or DC type adapter.
Buy the correct adapter that matches the voltage AND current requirements of the unit. MANY universal ones do not and the original MAY have built in filter that universal does not.
You MAY also need to do a factory reset on the unit.
There has to be a component inside that is faulty. That causes the power supply to quit. If the repairman said it is not able to be repaired it means that the part can't be replaced due to unavailability or the cost. You could try taking it to another repairman at a music store that sells Alesis products if you aren't satisfied with his his answer. SR-16 s are pretty reliable and it takes a lot to damage them to the point where they can't be repaired. If you can't get it repaired locally and you think it can be repaired contact Alesis at http://www.alesis.com/content1024 to find out the closest place to ship it to and get it repaired.
The distorted and low volume output plus noise is usually caused by using the wrong power supply adapter. The Alesis SR-16 takes a 9V "A/C" supply not "DC". The A/C supply provides a negative voltage swing which wouldn't exist with a DC supply. So check and make sure you have 9V A/C output supply not DC.
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