...switch into 9v power from my visual sound one spot, to light the LEDs, it doesnt work, and it disconencts power to everything else on that daisy chain power. what's wrong. the switches and in out ...
...working on a switching power supply, use an isolation transformer for safety and use a 60 watt lamp in series with the power cord to limit current during testing. The circuitry will be SIMILAR to the ...
...power supply is working correctly. The light is only an indication that the power cord is getting power to the power switch. If the power supply is providing the correct voltages to the other circuit ...
Question about Music
...power switch is turned on the amp just has a loud hum and nothing works not even the little power indicator light.. I Have a Peavey ecoustic 112 guitar amp, when I turn it on it just has a loud hum ...
power When I tern on my mixer it lights on and tern off instantly. any one have diagram for XR 1212 ? switched mode power supply and class d amps, take to shop that can work on these, it should of had
Question about Mackie Music
...working (no sound) The blue power light is on as is the green light on the back but not the light on the main on/off switch. You need to contact Mackie support for their recommendations. Here's the ...
...lights, you need to pick a different ground wire connection and power feed. the door switch is usually a grounding switch for the courtesy lights which have no ground until that switch closes contact ...
...working, as in no sound was coming out. The light remained on but no sound. Its not the speakers because they worked with a different amp. Plus the amp smelled like something had burnt. any thoughts? ...
...enough current in to troubleshoot with a meter. Use SAFE procedures when working on electrical equipment. For switching power supplies you need to use a line isolation transformer for personal
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