Regulated Switching
June 14th, 2009
How much electricity does it take to power an aftermarket car stereo?
Ive got a JVC CD/MP3 stereo that I pulled out of my car after I totaled it. My VanHalen cd is stuck inside, and I want it out. I currently have emulated a power supply of 12v (regulated through an AC adapter), ground, and a toggle switch to take place of the accessory from the ignition.
My issue is, the power supply(s) that I am using are only pushing 15.7v. The unit itself is lighting up, yet there is still not enough electricity to completly power up and use the device.
*There are two power suppies... 12v & 3.7v.
They are not putting out Ma's but rather aperage itself for a total of 3.5A
Your adapter may only put out milli amps, not suitable for playback for sure, not even for ejection motor. Hook up to a battery instead of the dingy transformer.
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